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Faculty of Engineering
Christian-Albrechts-University, Kiel
Institute for Circuit and System Theory
Publications
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Publications

    Please choose one of the following years:
    2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994

    In case of questions concerning the publications, you may send us an email.


    2009Zum Seitenanfang

  1. Muthuraman, M; Arning, K;Deuschl, G; Heute, U; Volkmann, J; Raethjen, J.: The Cortical network of Parkinsonian tremor and rhythmic voluntary movements of healthy subjects.Neuroscience 2009, Chicago, USA, 17-21 October, 2009.

  2. Seget, K.; Schmaljohann, H.; Schulz, A.: Contact Fusion and Multi-Hypotheses Tracking for Low Frequency Active Sonar Data, Sensor Data Fusion: Trends, Solutions, Applications (SDF 2009), GI, Luebeck, 01.-02. Oktober 2009, S. 293; 2405-12.

  3. Özer, H.; Heute, U.:
    A New Approach for Parameterizing the ECG for Sleep Stage Classification.
    IFMBE Proceedings Vol. 25/IV (World Congress on Medical Physics and Biomedical Engineering 2009), Munich, September 7-12 2009, S. 1044-1047.

  4. Pfitzinger, H.R.; Mixdorff, H.; Schwarz, J.:
    Comparison of Fujisaki-Model Extractors and F0 Stylizers,
    Proc. of 10. Annual Conference of the International Speech Communication Association (Interspeech 2009), Brighton, United Kingdom, September 6-10, 2009, pp. 2455-2458.

  5. Schmaljohann, H.; Seget, K.; Schulz, A.:
    Detection and Tracking Techniques for Shallow Water LFAS Data, UDT Europe 2009, Cannes, France, 09.-11. June 2009.

  6. Heute, U., Görtz N.:
    Efficient Speech Coding and Transmission over Noisy Channels.
    In: Handbook of Signal Processing in Acoustics, Havelock, D., Kuwano, S., Vorländer, M. (Eds.) Springer, New York (2009) 853-882.

  7. Schwarz, J.; Tran, M.; Heute, U.:
    Is the Fujisaki model a suitable (prosodic) model for the voice-conversion task?
    International Conference on Acoustics, including the 35th German Annual Conference on Acoustics (DAGA), Rotterdam, The Netherlands, March 23-26, 2009, pp. 1644-1647.

  8. Raethjen, J;Govindan, R.B.;Muthuraman, M;Kopper, F;Volkmann, J; Deuschl, G:
    Cortical correlates of the basic and first harmonic frequency of Parkinsonian tremor.
    Clinical Neurophysiology 120, 1866-1872, 2009.

  9. Raethjen, J;Muthuraman, M;Tamas, G;Hellriegel, H;Deuschl, G.:
    Relation between post-movement-beta-synchronisation and cortico-muscular coherence.
    13th International Congress of Parkinson's Disease and Movement Disorders, Paris, France, June 7-11, 2009.

  10. Tamas, G;Folhoffer, A;Muthuraman, M;Raethjen, J;Szalay, F;Takats, A;Szirmai, I;Kamondi, A.:
    Dysfunction of basal ganglia and cerebullum affects post-movement-beta-synchronisation in Wilson's Disease.

    13th International Congress of Parkinson's Disease and Movement Disorders, Paris, France, June 7-11, 2009.

  11. Muthuraman, M; Raethjen, J;Galka, A;Ngo, H; Heute, U.; Deuschl, G.:
    Cortico-Muscular coherence on EEG in MRI scanner.

    Neuromath 2009, Leuven, Belgium, 12-13 March, 2009.

    2008Zum Seitenanfang

  1. Möller, S., Engelbrecht, K.P., Pucher, M., Fröhlich, P., Huo, L., Heute, U., Oberle, F.:
    A New Testbed for Semi-Automatic Usability Evaluation and Optimization of Spoken-Dialogue Systems.
    In: Usability of Speech Dialog Systems, Hempel, T. (Ed.), Springer, Berlin (2008) 81-103.

  2. Heute, U.:
    Telephone-Speech Quality.
    In: Speech and Audio Processing in Adverse Environments , Hänsler, E., Scmidt, G. (Eds.), Springer, Berlin (2008) 287-337.

  3. Heute, U.:
    Speech-Transmission Quality: Aspects and Assessment for Wideband vs. Narrowband Signals.
    In: Martin, R., Heute, U., Antweiler, C. (Eds.): Advances in Digital Speech Transmission, Wiley, Chichester (2008) 9-50.

  4. Schwarz, J.; Heute, U.:
    Einfluss der zeitlichen Ausrichtung des Trainingsmaterials auf die Klangqualität bei der Sprechertransformation.
    Proceedings of the 8th ITG-Conference on Speech Communications, RWTH Aachen University, Aachen, Germany, October 8-10, 2008.

  5. Scholz, K.; Heute, U.:
    Dimension-based Speech-Quality Assessment: Instrumental Measure for the Overall Quality of Telephone-band Speech.
    Proceedings of the 8th ITG-Conference on Speech Communications, RWTH Aachen University, Aachen, Germany, October 8-10, 2008.

  6. Kühnel, C.; Scholz, K.; Heute, U.:
    Dimension-based Speech-Quality Assessment: Development of an Estimator of the Dimension "Noisiness".
    Proceedings of the 8th ITG-Conference on Speech Communications, RWTH Aachen University, Aachen, Germany, October 8-10, 2008.

  7. Gierlich, H.W.; Heute, U.; Möller, S.:
    Aspects of Speech-Quality Assessment.
    Proceedings of the 8th ITG-Conference on Speech Communications, RWTH Aachen University, Aachen, Germany, October 8-10, 2008.

  8. Huo, L.; Wältermann, M.; Heute, U.; Möller, S.:
    Estimation of the Speech Quality Dimension 'Discontinuity'.
    Proceedings of the 8th ITG-Conference on Speech Communications, RWTH Aachen University, Aachen, Germany, October 8-10, 2008.

  9. Helander, E.; Schwarz, J.; Nurminen, J.; Silen, H.; Gabbouj, M.:
    On the Impact of Alignment on Voice Conversion Performance.
    Proceedings of the 9th Annual Conference of the International Speech Communication Association (Interspeech 2008), Brisbane, Australia, September 23-26, 2008, pp. 1453-1456.

  10. Scholz, K.; Kühnel, C.; Wältermann, M.; Möller, S.; Heute, U.:
    Assessment of the Speech-Quality Dimension "Noisiness" for the Instrumental Estimation and Analysis of Telephone-Band Speech Quality
    Proceedings of the 9th Annual Conference of the International Speech Communication Association (Interspeech 2008), Brisbane, Australia, September 23-26, 2008, pp. 703-706.

  11. Wältermann, M.; Scholz, K.; Möller, S.; Huo, L.; Raake, A.; Heute, U.:
    An Instrumental Measure for End-to-end Speech Transmission Quality Bases on Perceptual Dimensions: Framework and Realization
    Proceedings of the 9th Annual Conference of the International Speech Communication Association (Interspeech 2008), Brisbane, Australia, September 23-26, 2008, pp. 61-64.

  12. Muthuraman, M; Raethjen, J;Hellriegel, H; Deuschl, G; Heute, U.:
    Imaging Coherent sources of tremor related EEG activity in patients with Parkinson's Disease
    IEEE proceedings in EMBC 4716-4719, 2008, Vancouver, Canada, 20.-24.Aug 2008.

  13. Muthuraman, M; Raethjen, J;Govindan, R.B.; Deuschl, G.; Heute, U.:
    Delay estimation in multimodal coherent signals: Application to the cortical correlate of Parkinsonian tremor
    19th International conference Biosignal 2008, Brno, Czech Republic, 29 June- 1July, 2008.

  14. Özer, H.; Heute, U.:
    ECG Shape During Sleep And Wake State.
    19th International conference Biosignal 2008, Brno, Czech Republic, 29. June - 1. Juli, 2008.

  15. Schwarz, J.; Heute, U.:
    A Statistical Prosodic Model for Voice Conversion.
    Proceedings Acoustics '08 Paris, 155. Meeting of the Acoustical Society of America, Paris, France, 29. June - 4. July 2008, pp. 1267-1272.

  16. Huo, L.; Wältermann, M.; Heute, U.; Möller, S.:
    Estimation Model for the Speech-Quality Dimension 'Noisiness'.
    Proceedings Acoustics '08 Paris, 155. Meeting of the Acoustical Society of America, Paris, France, 29. June - 4. July 2008, pp. 5921-5926.

  17. Schwarz, J.; Weiss, H.; Heute, U.:
    Machbarkeitsstudie zur Verwendung von statistischen Prosodiemodellen.
    34. Jahrestagung für Akustik - DAGA 2008, Dresden, Germany, March 10-13, 2008, pp. 255-256.

  18. Janardhanan, D.; Heute, U.; Schwarz, J.:
    Speech Enhancement Using a Modified Speech-Presence-Uncertainty Criterion.
    34. Jahrestagung für Akustik - DAGA 2008, Dresden, Germany, March 10-13, 2008, pp. 855-856.

  19. Muthuraman, M.;Govindan, R.B.;Deuschl, G.;Heute, U.;Raethjen.J:
    Differentiating Phaseshift and Delay in Narrow band Coherent Signals.
    Clinical Neurophysiology Journal 119:1062-1070, 2008.

  20. Nachamai, M.;Santhanam, T.;Muthuraman, M.:
    Enhanced Intentness Estimation in a Colloquy.
    Information Technology Journal 7(2):366-369, 2008.

    2007Zum Seitenanfang

  1. Huo, L., Wältermann, M., Scholz, K., Raake, A., Heute, U. and Möller, S.:
    Estimation Model for the Speech-Quality Dimension ''Directness / Frequency Content''
    IEEE Workshop on Applications of Signal Processing to Audio Acoustics (WASPAA2007), October 21-24, New York, 2007.

  2. Huo, L., Wältermann, M., Scholz, K., Raake, A., Heute, U. and Möller, S.:
    Estimation Model for the Speech-Quality Dimension ''Directness / Frequency Content''
    IEEE Workshop on Applications of Signal Processing to Audio Acoustics (WASPAA2007), October 21-24, New York, 2007.

  3. Möller, S., Engelbrecht, K.-P., Pucher, M., Fröhlich, P., Huo, L., Heute, U. and Oberle, F.:
    TIDE: A Testbed for Interactive Spoken Dialogue System Evaluation.
    12th Int. Conf. "Speech and Computer" (SPECOM'2007), October 15-18, Moscow, 2007.

  4. Raethjen, J.; Muthuraman, M; Govindan, R.B.; Deuschl, G.: Tremor-related EEG activity, dynamics and topography.Transition from normal to pathological state in CNS disorders, University clinic Kiel, Germany, 10. Oct 2007.

  5. Özer, H.; Heute, U.; Lange, O.:
    Analyse der EKG-Morphologie bei verschiedenen Schlafstadien.
    BMT 2007, 41. Jahrestagung der Deutschen Gesellschaft für Biomedizinische Technik (DGBMT) im VDE, Aachen, 26.-29.September, 2007.

  6. Hossen, A.; Özer, H.; Heute, U.; Fritzer, G.
    A Wavelet-Packet Based Power Spectral Density Estimation of HRV in Different Sleep Stages.
    BMT 2007, 41. Jahrestagung der Deutschen Gesellschaft für Biomedizinische Technik (DGBMT) im VDE, Aachen, 26.-29.September, 2007.

  7. Raethjen, J.; Govindan, R.B.; Muthuraman, M;Hellriegel, H; Deuschl, G.; Heute, U.: What is the role of cortex in Essential Tremor?. DGN 2007, ICC Berlin, Germany, 12.-15. Sep 2007.

  8. Huo, L.; Heute, U.:
    ASR Prediction based on Signal Measures.
    18. Konferenz Elektronische Sprachsignalverarbeitung (ESSV), Cottbus, 10.-12. September 2007.

  9. Janardhanan, D.; Heute, U.:
    Comparison and analysis of the susceptibility of wideband and telephone-band speech to various environmental additive noise sources.
    18. Konferenz Elektronische Sprachsignalverarbeitung (ESSV), Cottbus, 10.-12. September 2007.

  10. Muthuraman, M.; Raethjen, J.; Govindan, R.B.; Deuschl, G.; Heute, U.:
    Dynamical correlation of non-stationary signals in time domain a comparitive study.
    Dynamics Days Europe 2007, Loughborough, London, 9.-13. July 2007.

  11. Raethjen, J.;Govindan, R.B.;Kopper, F.;Muthuraman, M.;Deuschl, G.:
    Cortical involvement in the generation of essential tremor
    J.Neurophysiol, 97(5):3219-3228, 2007.

  12. Schwarz, J.; Heute, U.:
    Statistische Analyse von Phonemen auf Basis deutscher Lesesprache mit dem Ziel der Sprechertransformation.
    Proc. der 33. Jahrestagung für Akustik - DAGA 2007, Stuttgart, Germany, March 19-22, 2007, pp. 83-84.
  13. Heute, U.; Srivastav, V.; Sauerland, V.; Kliewer, J.:
    Fixed-Point-Coefficient FIR Filters and Filter Banks: Improved Design by Randomized Quantization.
    International Symposium on Signal Processing and its Application (ISSAP '07), Sharjah, U.A.E, 2007.
  14. Heute, U.:
    DSP Approaches towards Instrumental Measurement of Communication-system Quality..
    Proc. of International Conference on Communication, Computer and Power (ICCCP '07), Keynote Lecture, Muscat, Oman, K, 2, 2007.

  15. Santhanam, T.; Nachamai, M.; Muthuraman, M.; Sumathi, C.P.:
    Stressed/Neutral Speech Classification Using Gaussian Support Vector Machines.
    International Journal of Soft Computing 2(2), pp. 335-338, 2007.


    2006Zum Seitenanfang


  1. Heute, U.:
    Noise Reduction.
    In: Topics in Acoustic Echo and Noise Control, Hänsler, E.; Schmidt, G. (Eds.), Springer, Berlin (2006) 325-384.

  2. Muthuraman, M.; Raethjen, J.; Govindan, R.B.; Deuschl, G.; Heute, U.:
    Differentiating Phaseshift and Delay in Narrow Band Signals.
    DELAY 2006, Berlin, Germany, September 11-13, 2006.

  3. Raethjen, J.; Arning, K.; Muthuraman, M.; Govindan, R.B.; Heute, U.; Deuschl, G.:
    Cortical representation of Bimanual Voluntary and Non-Voluntary Motor Rhythms.
    10th International Congress of Parkinson's Disease and Movement Disorders,Kyoto, Japan, October 28 - November 2, 2006.

  4. Scholz, K.; Wältermann, M.; Huo, L.; Raake, A.; Möller, S.; Heute, U.:
    Estimation of the Quality Dimension "Directness/Frequency Content" for the Instrumental Assessment of Speech Quality.
    Ninth International Conference on Spoken Language Processing (Interspeech 2006 - ICSLP), Pittsburgh, USA, September 17-21, 2006, pp. 1523-1526.

  5. Wältermann, M.; Scholz, K.; Raake, A.; Möller, S.; Heute, U.:
    Underlying Quality Dimensions of Modern Telephone Connections.
    Ninth International Conference on Spoken Language Processing (Interspeech 2006 - ICSLP), Pittsburgh, USA, September 17-21, 2006, pp. 2170-2173.

  6. Huo, L.; Scholz, K.; Heute, U.:
    Idealized System for Studying the Speech-Quality Dimension ''Directness/Frequency Content''.
    Second ISCA Tutorial and Research Workshop on Perceptual Quality of Systems, Berlin, Germany, September 4-6, 2006, pp. 109-114.

  7. Ozer, H.; Heute, U.; Fritzer, G.:
    Effects Of Sleep Stages On Heart-Rate Variability.
    BIOSIGNAL 2006, Brno, Czech Republic, June 28-30, 2006.

  8. Janardhanan, D.; Heute, U.:
    Wideband Speech Enhancement with a Multi-Window Method for Spectrum Estimation.
    7. ITG-Fachtagung SPRACH-KOMMUNIKATION, Christian-Albrechts-Universität zu Kiel, Kiel, Germany, April 26-28, 2006.

  9. Breithaupt, C.; Schwarz, J.; Martin, R.:
    Geräuschreduktion für die robuste Spracherkennung.
    7. ITG-Fachtagung SPRACH-KOMMUNIKATION, Christian-Albrechts-Universität zu Kiel, Kiel, Germany, April 26-28, 2006.

  10. Scholz, K.; Wältermann, M.; Huo, L.; Raake, A.; Möller, S.; Heute, U.:
    Vergleich der instrumentellen Erfassung der Qualitätsdimension "Direktheit/Frequenzgehalt" bei Schmalband- und Breitbandsprache.
    7. ITG-Fachtagung SPRACH-KOMMUNIKATION, Christian-Albrechts-Universität zu Kiel, Kiel, Germany, April 26-28, 2006.

  11. Scholz, K.; Wältermann, M.; Huo, L.; Raake, A.; Möller, S.; Heute, U.:
    Messtechnische Erfassung der Qualitätsdimension "Direktheit/Frequenzgehalt" zur instrumentellen Analyse und Beurteilung von Sprachqualität.
    Deutsche Gesellschaft für Akustik, DEGA e.V. (DAGA 2006), Braunschweig, Germany, March 20-23, 2006.

  12. Wältermann, M.; Scholz, K.; Raake, A.; Heute, U.; Möller, S.:
    Qualitätsdimensionen bei der Sprachübertragung in modernen Telekommunikationsnetzen.
    Deutsche Gesellschaft für Akustik, DEGA e.V. (DAGA 2006), Braunschweig, Germany, March 20-23, 2006.


    2005Zum Seitenanfang


  1. Heute, U.:
    Speech and Audio Coding ? Aiming at High Quality and Low Data Rates.
    In: Communication Acoustics, Blauert, J. (Ed.), Springer, Berlin (2005), 339-366.

  2. Janardhanan, D.; Heute, U.:
    Wideband Speech Enhancement Using a Modified Noise Estimation.
    Electronic Speech Signal Processing (ESSP) 2005, Prague, Czech Republic, September 26-28, 2005.

  3. U. Heute, S. Möller, A. Raake, K. Scholz, and. M. Wältermann:
    Integral and diagnostic speech-quality measurement: state of the art, problems, and new approaches.
    In Proc. Forum Acousticum, pp. 1695-1700, Budapest, Hungary, August 2005.

  4. Thobaben, R.; Kliewer, J.:
    Low complexity iterative joint source-channel decoding for variable-length encoded Markov sources.
    Accepted for publication in IEEE Transactions on Communications, 2005.

  5. Heute, U.; Möller, S.; Raake, A.; Scholz, K.; Wältermann, M.:
    Integral and diagnostic speech-quality measurement: state of the art, problems, and new approaches.
    In Proc. Forum Acousticum, Budapest, Ungarn, August 2005, pp. 1695-1700.
    (Abstract)

  6. Kliewer, J.; Thobaben, R.:
    Iterative joint source-channel decoding of variable-length codes using residual source redundancy.
    IEEE Transactions on Wireless Communications, pages 919-929, Vol. 4, No. 3, May 2005.

  7. Janardhanan, D.; Heute, U.:
    Wideband Speech Enhancement Using a Robust Noise Estimation Method.
    Deutsche Gesellschaft für Akustik, DEGA e.V. (DAGA 2005), Munich, Germany, March 2005.


    2004Zum Seitenanfang


  1. Hossen, A.; Heute, U.:
    The wavelet-based DFT: a new interpretation, extensions and applications.
    Accepted for the International Conference Signal Processing 2004, Istanbul.

  2. Mietzner, J.; Thobaben, R.; Hoeher, P. A.:
    Analysis of the expected error performance of cooperative wireless networks employing distributed space-time codes.
    Accepted for publication at IEEE Global Telecommun. Conf. (GLOBECOM 2004), Dallas, Texas, USA, Nov./Dez. 2004.

  3. Scholz, K.; Leutelt, L.; Heute, U.:
    Speech-codec detection by spectral harmonic-plus-noise decomposition.
    In Proc. Thirty-Eigth Annual Asilomar Conference on Signals, System,and Computers, Pacific Grove, USA, November 2004, pp. 2295-2299.
    (Abstract)

  4. Kliewer, J.; Mertins, A.:
    Soft-input reconstruction of binary transmitted quantized overcomplete expansions.
    IEEE Signal Processing Letters, Vol. 11, No. 11, November 2004.

  5. Rusc, T.; Heute, U.:
    Comparison of design methods for near-perfect-reconstruction filter banks with critical sampling.
    Proc. UkrObraz 2004, Kiew, Ukraine, pp. 233-236, October 2004.
    (Abstract)

  6. Rusc, T.; Heute, U.:
    Nearly-perfect-reconstruction filter banks with critical sampling: achievable quality with quantized coefficients.
    Proc. UkrObraz 2004, Kiew, Ukraine, pp. 237-240, October 2004.
    (Abstract)

  7. Heute, U.:
    Quantisierung - ein altes Probelm der digitalen Signalverarbeitung.
    Kolloquium, University Bremen, October 2004.

  8. Heute, U.:
    Noise reduction for speech signals: an overview.
    Seminar (ERASMUS), University Vaasa, Finland, September 2004.

  9. Thobaben, R.; Kliewer, J.:
    Robust transmission of variable-length encoded Markov sources using rate-1 channel coding and efficient iterative source-channel decoding.
    In Proc. 12th European Signal Processing Conference (EUSIPCO '04), pages 1745-1748, Vienna, Austria, September 6-10, 2004.
    (Abstract)

  10. Kliewer, J.; Mertins, A.:
    Error-resilient transmission of waveform signals using overcomplete expansions and soft-input source decoding.
    In Proc. 12th European Signal Processing Conference (EUSIPCO '04), pages 881-884, Vienna, Austria, September 2004.
    (Abstract)

  11. Thobaben, R.; Land, I.:
    Blind quality estimation for corrupted source signals based on a-posteriori probabilities.
    In Proc. 2004 IEEE Int. Symp. on Information Theory (ISIT '04) , page 304, Chicago, USA, June 2004.
    (Abstract)

  12. Kliewer, J.:
    On the performance of parallel concatenated joint source-channel coding with variable-length codes.
    In Proc. 2004 IEEE Int. Symp. on Information Theory (ISIT '04), Chicago, USA, June 2004.
    (Abstract)

  13. Kliewer, J.; Goertz, N.; Mertins, A.:
    On iterative source-channel image decoding with Markov random field source models.
    Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2004), Montreal, Canada, May 2004.
    (Abstract)

  14. Leutelt, L.; Heute, U.:
    Analysis of inter- and intraspeaker-variations for voice conversion.
    BIOSIGNAL 2004, Brno, Czech Republic, pp. 30-32.

  15. Kliewer, J.; Goertz, N.; Mertins, A.:
    Iterative source-channel decoding for error-resilient image transmission using a Markov random field.
    Proc. 5th International ITG Conference on Source and Channel Coding (SCC '04) , pages 305-310, Erlangen, Germany, January 2004.
    (Abstract)

  16. Hossen, A.; Heute, U.:
    Parametric modelling of decomposed subbands: resolution improvement and applications for narrow-band signals.
    Signal Processing Vol. 84 (2004), pp. 2195-2206.


    2003Zum Seitenanfang


  1. Kliewer, J.; Thobaben, R.:
    A-posteriori probability decoding of variable-length codes using a three-dimensional trellis representation.
    Proc. IEEE Global Telecommunications Conference (GLOBECOM 2003), page 2213-2217, San Francisco, CA, USA, December 2003.
    (Abstract)

  2. Kliewer, J.; Thobaben, R.:
    Parallel concatenated joint source-channel coding.
    Electronics Letters, Vol. 39, No. 23, pages 1664-1666, November 2003.
    (Abstract)

  3. Thobaben, R.; Kliewer, J.:
    Robust decoding of variable-length encoded Markov sources using a three-dimensional trellis.
    IEEE Communications Letters, Vol. 7, No. 7, pages 320-322, July 2003.
    (Abstract)

  4. Görtz, N.; Kliewer, J.:
    Memory efficient adaptation of vector quantizers to time-varying channels.
    Signal Processing, Vol. 83, Nr. 7, pages 1519-1528, July 2003.
    (Abstract)

  5. Kliewer, J.; Karp, T.:
    Clipping error resilience for peak power-constrained DMT transmission via implicit frequency domain redundancy.
    ISSPA 2003, Paris, France, July 2003.
    (Abstract)

  6. Thobaben, R.; Kliewer, J.:
    On iterative source-channel decoding for variable-length encoded Markov sources using a bit-level trellis.
    SPAWC 2003, Rome, Italy, June 2003.
    (Abstract)

  7. Ludwig, Th., Scholz, K.; Heute, U.:
    Speech-quality evaluation in telephone networks.
    DAGA 2003, Aachen.
    (Abstract)

  8. Hossen, A.; Heute, U.:
    Different approximate cepstra using subband-transforms: theory and applications.
    AEÜ Vol. 57 (2003), pp. 247-254.

  9. Gülzow, Th.; Ludwig, Th.; Heute, U.:
    Spectral-substraction speech enhancement in multirate systems with and without non-Uniform and adaptive bandwidths.
    Signal Processing Vol. 83 (2003), pp. 1613-1631.

  10. Hossen, A.; Heute, U.; Seraji, G.:
    Arithmetic errors in the sub-band FFT - part II: evaluation of variants, comparison with CT-FFT and aliasing components, and word-length requirements.
    Signal Processing Vol. 83 (2003), pp.413-429.


    2002Zum Seitenanfang


  1. Wang, G.; Heute, U.:
    Time-Varying MMSE Modulated Lapped Transform and its Applications to Transform Coding for Speech and Audio Signals.
    Signal Processing, Vol 82, pp. 1283-1304 (2002).

  2. Galijasevic, E.:
    Allpass-Based Near-Perfect Reconstruction Filter Banks.
    Arbeiten über digitale Signalverarbeitung Nr. 22, Herausgeber Ulrich Heute, LNS/CAU Kiel, Shaker Verlag GmbH,Aachen, ISBN 3-8322-0879-8 (2002).

  3. Hossen, A.; Heute, U.:
    A Novel Adaptive Spectral Analysis Zoom for Narrow-Band Signals.
    11th European Signal Processing Conference (EUSIPCO '02), Toulouse, France, September 2002, pp. 611-614.

  4. Gülzow, Th.; Kolb, H.; Heute, U.:
    SSB-Carrier Mismatch Detection from Speech Characteristics: Extension beyond the Range of Uniqueness.
    11th European Signal Processing Conference (EUSIPCO '02), Toulouse, France, September 2002, pp. 495-498.
    (Abstract)

  5. Leutelt, L.; Heute, U.:
    Voice Conversion: Adaptation of relative local Speech Rate by MPEG-4 HVXC.
    11th European Signal Processing Conference (EUSIPCO '02), Toulouse, France, September 2002, Vol. III, pp. 113-116.
    (Abstract)

  6. Ludwig, Th.:
    Comfort Noise Detection and GSM-FR-Codec Detection for Speech Quality Evaluations in Telephone Networks.
    7th International Conference on Spoken Language Processing (ICSLP 2002), Denver, Colorado, USA, September 2002, Vol. I, pp. 309-311.
    (Abstract)

  7. Galijasevic, E.; Kliewer, J.:
    Design of allpass-based non-uniform oversampled DFT filter banks.
    Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP '02), pages 1181-1184, Orlando, FL, USA, May 2002.
    (Abstract)

  8. Kliewer, J.; Görtz, N.:
    Iterative source-channel decoding for robust image transmission.
    Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP '02) , pages 2173-2176, Orlando, FL, USA, May 2002.
    (Abstract)

  9. Kliewer, J.; Thobaben, R.:
    On the utilization of residual source redundancy for iterative joint source-channel decoding of variable-length codes.
    Proc. IEEE Int. Symp. on Information Theory (ISIT '02), page 199, Lausanne, Switzerland, July 2002.
    (Abstract)

  10. Kliewer, J.; Thobaben, R.:
    Combining FEC and optimal soft-input source decoding for the reliable transmission of correlated variable-length encoded signals.
    Proc. IEEE Data Compression Conference 2002, pages 83-91, Snowbird, UT, USA, April 2002.
    (Abstract)

  11. Heute, U.:
    Speech and Audio Coding-A Brief Overview.
    Deutsche Gesellschaft für Akustik, DEGA e.V. (DAGA 2002), Bochum, March 2002, EAA-SYMPOSIUM, pp. 740-743.
    (Abstract)

  12. Ludwig, Th.:
    Speech Quality Evaluation in Telephone Networks.
    Deutsche Gesellschaft für Akustik, DEGA e.V. (DAGA 2002), Bochum, March 2002, pp. 658-659.
    (Abstract)

  13. Gülzow, Th.; Heute, U.; Hossen, A.; Kolb, H.:
    Detection and Correction of Single-Sideband Carrier Frequency Mismatch by Means of Speech-Signal Characteristics.
    16th International EURASIP Conference BIOSIGNAL 2002, Brno, Czech Republic, June 2002, pp.109-112.
    (Abstract)


    2001Zum Seitenanfang


  1. Hossen, A.; Heute, U.:
    Coefficient Errors in SB-FFT.
    Int. Conf. Communi., Comp. & Power, ICCCP'2001, Muscat, Oman, 12.-14. February 2001.

  2. Gülzow, Th.:
    Verbesserung der Qualität stark gestörter Spachsignale - Detektion eines Trägerversatzes und Unterdrückung additiver Störungen.
    Arbeiten über digitale Signalverarbeitung Nr. 20, Herausgeber U.Heute, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 2001.

  3. Korthauer, A.:
    Methoden der Merksmalsextraktion für die robuste Erkennung von Buchstabiersequenzen in geräuschbehafteter Umgebung.
    Arbeiten über digitale Signalverarbeitung Nr. 21, Herausgeber U.Heute, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 2001.

  4. Heute, U.; Ludwig, Th.:
    Sprachübertragungs-Qualität-Rauschen, Echos, Transkodierung, Paketverluste.
    Program DAGA 2001, Hamburg, März 2001.

  5. Kliewer, J.; Görtz, N.:
    Soft-Input Source Decoding for Robust Transmission of Compressed Images Using Two-Dimensional Optimal Estimation.
    Proceedings IEEE-ICASSP 2001, Salt Lake City, USA, 07.-11. May 2001.
    (Abstract)

  6. Galijasevic, E.; Kliewer, J.:
    On the Design of Near-Perfect-Reconstruction IIR QMF Banks Using FIR Phase-Compensation Filters.
    Proceedings ISPA 2001, Pula, Kroatien, 19.-21. June 2001, S.530-534.
    (Abstract)

  7. Galijasevic, E.; Kliewer, J.:
    Design of maximally decimated near-perfect-reconstruction DFT filter banks with allpass-based analysis filters.
    35th ASILOMAR Conference on Signals, System and Computers, Pacific Grove, CA, USA, November 2001.
    (Abstract)

  8. Hossen, A.; Heute, U.:
    A New Spectral Analysis Zoom Technique Based on Subband Decomposition and Linear Prediction.
    Proceedings ECMCS 2001, Budapest, 2001.

  9. Leutelt, L.:
    An MPEG-4 HVXC Based Interspeaker Pitch Prediction for Voice Conversion.
    Proceedings ECMCS 2001, Budapest, 2001.
    (Abstract)

  10. Ludwig, Th.; Heute, U.:
    Detection of Digital Transmission System for Voice Quality Measurements.
    Proceedings EUROSPEECH, 2001.
    (Abstract)

  11. Hossen, A.; Heute, U.; Seraji, G. A. :
    Arithmetic Errors in the Sub-Band FFT - Part I: Error Sources, Error Model, and Derivation of Error Equations.
    Signal Processing (2001).

  12. Hossen, A.; Heute, U.; Seraji, G. A. :
    Arithmetic Errors in the Sub-Band FFT - Part II: Evaluation of Variants, Comparison with CT-FFT and Aliasing Components, and Word-Length Requirements.
    Signal Processing (2001).



    2000Zum Seitenanfang


  1. Görtz, N.:
    Joint Source-Channel Decoding by Channel-Coded Optimal Estimation.
    Proceedings 3rd ITG-Konferenz Source and Channel Coding, München, January 2000, S.267-272.

  2. Wang, G.:
    Time-Varying Filter Banks and Transform Coding for Speech and Audio Signals.
    Arbeiten über digitale Signalverarbeitung Nr.18, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 2000.

  3. Ehnert, W.:
    Sprachcodierung variabler Bitrate mit phonembasierten Ansätzen.
    Arbeiten über digitale Signalverarbeitung Nr. 19, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen,2000.

  4. Görtz, N.:
    Iterative Source-Channel Decoding using Soft-In/Soft-out Decoders.
    International Symposium on Information Theory (ISIT), Sorrento, Italy, 25.-30. June 2000, S. 173.

  5. Galijasevic, E.:
    Ungleichmässig auflösende fast perfekt rekonstruierende überabgetastete DFT-Filterbänke.
    Berichtskolloqium des Graduiertenkollegs 357 "Effiziente Algorithmen und Mehrskalenmethoden", Kiel, 03.July 2000.

  6. Görtz, N.:
    Analysis and Performance of Iterative Source-Channel Decoding.
    Proceedings 2nd International Symposium on Turbo Codes & Related Topics, Brest, France, 04.-07.September 2000, pp.251-254.

  7. Mertins, A; Karp, T.; Kliewer, J.:
    Integer-Modulated Filter Banks Providing perfect Reconstruction.
    EUSIPCO'2000, Tampere, Finnland, 04.-08.September 2000, pp.1763-1766.
    (Abstract)

  8. Görtz, N.; Heute, U.:
    Joint Source-Channel Decoding with Iterative Algorithms.
    EUSIPCO'2000, Tampere, Finnland, 04.-08.September 2000, pp.425-428.

  9. Ludwig, Th.:
    Nicht Störende Messung von Netzechos im Telefonkanal.
    Proceedings konvens 2000 / Sprachkommunikation, TU Ilmenau, 09.-12. October 2000, S. 47-50.
    (Abstract)

  10. Galijasevic, E.; Kliewer, J.:
    Non-Uniform Near-Perfect-Reconstruction Oversampled DFT Filter Banks Based on Allpass-Transforms.
    DSP workshop, Hunt, Texas, USA, 15.-18. October 2000.
    (Abstract)

  11. Kliewer, J.; Karp, T.; Mertins, A.:
    Processing arbitrary-length signals with linear-phase cosine-modulated filter banks.
    SignalProcessing, Vol. 80, Nr. 8, pages 1515-1533, August 2000.
    (Abstract)

  12. Kliewer, J.; Görtz, N.:
    Error-resilient transmission of compressed images over very noisy channels using soft-input source decoding.
    Proc. 34th ASILOMAR Conference on Signals, System and Computers, Pacific Grove, CA, USA, October 2000.
    (Abstract)


    1999Zum Seitenanfang


  1. Ludwig, Th.:
    INMD (In-Service, Non-Intrusive Measurement Device).
    ITG-Diskussionssitzung "Meßverfahren im Mobilfunk", Reisensburg, März 1999, S. 18.
    (Abstract)

  2. Heute, U.:
    Instrumental Speech-Quality Measures: New Insights, Ideas and Results.
    Eingeladener Vortrag, Session 1PSC, Proc. DAGA´99, Berlin, März 1999, S. 323.

  3. Wang, G.:
    A Combined Wideband Speech and Audio Coder Using Human Articulatory and Auditory Models.
    Proc. DAGA´99, Berlin, März 1999, S. 51-52.

  4. Wang, G.; Heute, U.:
    A General Low Bit-Rate Frequency Domain Coder for Speech and Audio Signals.
    Proc. ECMCS´99, Krakow, Poland, June 1999, S. 6-9.

  5. Lungwitz, Th.:
    Untersuchungen zur mehrkanaligen adaptiven Geräuschreduktion für die Spracherkennung im Kraftfahrzeug.
    Arbeiten über digitale Signalverarbeitung Nr.17, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1999.

  6. Mertins, A; Karp, T.; Kliewer, J.:
    Design of Perfect Reconstruction Integer-Modulated Filter Banks.
    Proc. ISSPA'99, Brisbane, Australia, August 1999.

  7. Görtz, N.:
    Joint Source-Channel Decoding by Channel-Coded Optimal Estimation(CCOE) for a Celp Speech Codec.
    Proc. EuroSpeech´99, Budapest, Ungarn, September 1999, Vol. 3, S. 1447-1450.

  8. Görtz, N.:
    Gegenüberstellung von Analyse durch Synthese und Rückwärtsprädiktion.
    Proc. 10. Konferenz Elektronische Sprachverarbeitung (ESSV´99), Görlitz,September 1999, S. 50-57.

  9. Gülzow, Th.:
    Spectral-Substraction-Based Speech Enhancement Using a NewEstimation Technique for Non-Stationary Noise.
    IWAENC´99, Pennsylvania,USA, September 1999, S. 76-79.

  10. Wang, G.:
    A Method to Improve the Frequency Characteriatics in Transition Periods for Time-Varying Cosine Modulated Filter Banks.
    Proc. ICECS´99,Patras, Greece, September 1999.

  11. Kliewer, J.:
    On the Relationship between Pseudo-QMF Designs and Perfect- Reconstruction Solutions for Modulated Filter Banks.
    Proc. 33. Asilomar Conference on Signals, System and Computers, Pacific Grove, Ca, USA, October 1999.
    (Abstract)

  12. Mitra, S.K.; Heute, U.:
    Structural Subband Decomposition of Sequences and its Applications in Signal Processing.
    IEEE Proc.-Vis. Image Signal Processing, Vol. 146, No. 3, (1999), S. 109-123.
    (Abstract)



    1998Zum Seitenanfang


  1. Hossen, A.; Heute, U.:
    General Sub-Band DCT: Fast Approximate Adaptive Algorithm. To be published in: Signal Analysis and Prediction.
    Prochazka, A.; Uhlir, J.; Rayner P.J.W.; Kingsbury, N.G. (Eds.), Birkhäuser Verlag, Boston, 1998, S. 47-56, ISBN 0-8176-4042-8.

  2. Serafat, M. R.:
    A CELP-Based Speech-Model Process. To be published in: Signal Analysis and Prediction.
    Prochazka, A.; Uhlir, J.; Rayner P.J.W.; Kingsbury, N.G. (Eds.), Birkhäuser Verlag, Boston, 1998, S. 419-428, ISBN 0-8176-4042-8.

  3. Hauenstein, M.; Heute, U.:
    Instrumentelle Sprachgütebeurteilung von Sprachcodiersystemen.
    Funkschau 3/98, 23.01.1998, S. 61-64.

  4. Engelsberg, A.:
    Transformationsbasierte Systeme zur einkanaligen Störunterdrückung bei Sprachsignalen.
    Arbeiten über digitale Signalverarbeitung Nr. 11, LNS/CAU Kiel,Shaker Verlag GmbH, Aachen, 1998.

  5. Serafat, M. R.:
    Sprachmodellprozesse bei Vorgabe theoretischer und anwendungsorientierter Eigneschaften.
    Arbeiten über digitale Signalverarbeitung Nr. 12, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1998.

  6. Gülzow, Th.; Engelsberg, A.; Heute, U.:
    Comparison of a Discrete Wavelet Transformation and a Nonuniform Polyphase Filterbank Applied to Spectral-Subtraction Speech Enhancement.
    Signal Processing, Vol. 64, No. 1 (1998), pp. 5-19.
    (Abstract)

  7. Ehnert, W.:
    Ein Beispiel zur Mehrklassensprachcodierung: Die Kombination vonHarmonic Coding und Linearer Prädiktion.
    2. ITG-Fachtagung, Codierung für Quelle, Kanal und Übertragung, RWTH Aachen, 03.-05.03.1998, S. 29-34.

  8. Hauenstein, M.; Görtz, N.:
    On the Application of a Psychoacoustically Motivated Speech-Quality Measure in CELP Speech-Coding.
    Proceedings EUSIPCO '98, Rhodos, 1998, pp. 1421-1424.

  9. Görtz, N.:
    On the Combination of Redundant and Zero-Redundant Channel Error Detection in CELP Speech-Coding.
    Proceedings EUSIPCO '98, Rhodos, 1998, pp. 721-724.

  10. Görtz, N.:
    Joint Source Channel Decoding Using Bit-Reliability Information and Source Statistics.
    Proceedings IEEE-ISIT 1998, Cambridge, 1998, p. 9.

  11. Ehnert, W.:
    Variable-Rate Speech Coding: Coding Unvoiced Frames with 400 bps.
    Proceedings EUSIPCO '98, Rhodos, 1998, pp. 1437-1440.

  12. Gülzow, Th.:
    Spektrale Subtraktion in Teilbändern mit adaptiven Bandbreiten.
    5.ITG-Fachtagung '98 "Sprachkommunikation" u. 9. Konferenz "Elektronische Sprachsignalverarbeitung", Dresden, 1998, S. 49-52.

  13. Berger, J.:
    Instrumentelle Verfahren zur Sprachqualitätsschätzung, Modelle auditiver Tests.
    Arbeiten über digitale Signalverarbeitung Nr. 13, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1998.

  14. Görtz, N.:
    Aufwandsarme Qualitätsverbesserungen bei der gestörten Übertragung codierter Sprachsignale.
    Arbeiten über digitale Signalverarbeitung Nr. 14, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1998.

  15. Görtz, U.:
    Entwicklung eines verbesserten Sprachcodecs für das GSM-Vollraten-Mobilfunknetz.
    Arbeiten über digitale Signalverarbeitung Nr. 15, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1998.

  16. Kliewer, J.:
    Beiträge zum Entwurf modulierter Filterbänke für verschiedene Teilbandabtastraten.
    Arbeiten über digitale Signalverarbeitung Nr. 16, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1998.
    (Abstract)

  17. Kliewer, J.; Mertins, A.:
    Oversampled Cosine-Modulated Filter Banks with Arbitrary System Delay.
    IEEE Transactions on Signal Processing, Vol. 46 No. 4, April 1998, pp. 941-955.
    (Abstract)

  18. Kliewer, J.; Mertins, A.:
    Audio Subband Coding with Improved Representation of Transient Signal Segments.
    European Signal Processing Conf., Rhodos, Griechenland, September 1998, pp. 2345-2348.

  19. Solbach, L.; Wöhrmann,R.; Kliewer, J.:
    The Complex-Valued Continuous Wavelet Transform as a Preprocessor for Auditory Scene Analysis.
    Published in: D.F. Rosenthal und H.G. Okuno (Hrsg.), Readings in Computational Auditory Scene Analyses. Erlbaum Publishers, 1998, ISBN 0-8058-2283-6, pp. 273-291.
    (Abstract)

  20. Wang, G.:
    The Modified Discrete Cosine Transform and Its Applications to Wideband Speech Coding.
    Fachtagung "Informations- und Mikrosystemtechnik", Magdeburg, 1998, S.279-286.

  21. Heute, U.:
    Adaptive digitale Störreduktion für Sprachsignale.
    ET-Kolloquium,Universität Bremen, 1998.

  22. Vary, P.; Heute, U.; Hess,W.:
    Digitale Sprachsignalverarbeitung.
    B.G. TeubnerVerlag, Stuttgart, 1998, ISBN 3-519-06165-1.


    1997Zum Seitenanfang


  1. Heute, U.:
    Unser täglich Telefon - Einführung zum Vorkollquium.
    DAGA'97, Kiel, 1997, Tagungsprogramm S. 2-3.

  2. Görtz, N.:
    (Verbesserte) Sprachcodierverfahren im GSM-System.
    Vorkolloquium DAGA'97, Kiel, 1997, Tagungsprogramm S. 4-5.

  3. Engelsberg, A.:
    Geräuschreduktion beim Freisprechen.
    Vorkolloquium DAGA'97, Kiel, 1997, Tagungsprogramm S. 5-8.

  4. Hauenstein, M.:
    Auditive und instrumentelle Qualitätsmessung an Codiersystemen.
    Vorkolloquium DAGA'97, Kiel, 1997, Tagungsprogramm S. 10-12.

  5. Hossen, A. N.; Heute, U.:
    Cepstra Based on Subband-Transforms: Idea, Complexity, and Applications.
    9. Aachener Kolloqium "Signaltheorie" - Bild- und Sprachsignale, Aachen, März 1997, pp. 203-206.

  6. Görtz, N.:
    Vorschlag für einen GSM-Vollraten-Sprach- und Kanalcodec mitverbesserter Sprachqualität.
    9. Aachener Kolloqium "Signaltheorie" - Bild- und Sprachsignale, Aachen, März 1997, S. 219-224.

  7. Engelsberg, A.:
    Signalrekonstruktion mit Unterraumtechniken und systemtheoretische Interpretation.
    9. Aachener Kolloqium "Signaltheorie" - Bild- und Sprachsignale, Aachen, März 1997, S. 263-266.

  8. Hossen, A. N.; Heute, U.:
    Fast Approximate DCT: Basic-Idea, Error Analysis, Applications.
    Proceedings IEEE-ICASSP '97, München, April 1997, Vol.3, pp. 2005-2008.

  9. Kliewer, J.; Mertins, A.:
    Design of Paraunitary Oversampled Cosine-Modulated Filter Banks.
    Proceedings IEEE-ICASSP '97, München, April 1997, Vol. 3, pp.2073-2076.

  10. Hauenstein, M.:
    A Computationally Efficient Algorithm for Calculating Loudness Patterns of Narrowband Speech.
    Proceedings IEEE-ICASSP '97, Munich, April 1997, Vol. 2, pp. 1311-1314.

  11. Hossen, A. N.; Heute, U.:
    Approximation in Radar Signal Processing for Vehicle Speed Measurements.
    Proceedings IWTS'97, Shah Alam, Malaysia, May 1997, Vol. 3, pp. 162-166.

  12. Hossen, A. N.:
    Sub-Band Decomposition in Digital Signal Processing: Theory and Applications.
    Tutorial Course, IWTS'97, Shah Alam, Malaysia, May 1997.

  13. Hossen, A. N.; Heute, U.:
    General Adaptive Sub-Band DCT.
    Proceedings ECSAP'97, Prague, June 1997, pp. 481-484.

  14. Hauenstein, M.:
    An Efficient Algorithm for Calculating Narrowband Loudness-Patterns and its Application to the Prediction of Subjective Speech-Quality.
    Proceedings ECSAP '97, Prague, June 1997, pp. 323-326.

  15. Serafat, R.:
    A CELP-Based Speech-Model Process as a Test Signal for Speech Processing Applications.
    Proceedings ECSAP '97, Prague, June 1997, pp. 354-357.

  16. Serafat, R.:
    A CELP-Based Speech-Model Process Controlled by Trained Markov Chains.
    Proceedings IEEE-ISIT '97, Ulm, June 1997, p. 446.

  17. Dobler, S.:
    Adaptionsmechanismen für telefonbasierte Spracherkennungssysteme.
    Arbeiten über digitale Signalverarbeitung Nr. 8, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1997.

  18. Elterich, A.:
    Ein Beitrag zur Schätzung der wahren Geschwindigkeit über Grund mit einem Dopplerradar.
    Arbeiten über digitale Signalverarbeitung Nr. 9, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1997.

  19. Iribarren, M.; Heute, U.:
    Spectral Estimation of Poisson-Distributed Time-Series of Arrivals.
    Proceedings SAMPTA '97, Aveiro, Portugal, July 1997, pp. 467-471.

  20. Ehnert, W.; Heute, U.:
    Variable-rate speech coding: Replacing unvoiced excitations by linear prediction residues of different phonemes.
    Proceedings GRETSI '97, Grenoble, France, September 1997, pp. 993-996.

  21. Görtz, N.:
    Zero-Redundancy Error Protection for CELP Speech Codecs.
    Proceedings EUROSPEECH, Rhodos, Greece, September 1997, pp. 1283-1286.

  22. Engelsberg, A.; Gülzow, Th.:
    Spectral Subtraction Using a Non-Critically Decimated Discrete Wavelet Transform.
    Proceedings EUROSPEECH, Rhodos, Greece, September 1997, pp. 2559-2562.

  23. Engelsberg, A.; Gülzow, Th.:
    Comparison of a Discrete Wavelet Transform and a Nonuniform Polyphase Filterbank Applied for Spectral Subtraction.
    Proceedings IWAENC '97, London, Great Britain, September 1997, pp. 124-127.

  24. Hauenstein, M.:
    Psychoakustisch motivierte Maße zur instrumentellen Sprachgütebeurteilung.
    Arbeiten über digitale Signalverarbeitung Nr. 10, LNS/CAU Kiel, Shaker Verlag GmbH, Aachen, 1997.

  25. Heute, U.:
    Adaptive digitale Störreduktion für Sprachsignale: Trägerversatz und Pausengeräusch.
    8. Workshop zur Studie "Sprachstrukturen", Frankenberg/ Eder, 1997.

  26. Heute, U.:
    Speech Enhancement: A Specific Case.
    SIPL Seminar, University of California,Santa Barbara, USA, 1997.

    1996Zum Seitenanfang


  1. Heute, U.:
    Objektive Qualitätsmaße für die Sprachübertragung - Stand der Technik.
    ITG-Diskussionssitzung "Meßtechnik im Mobilfunk", Reisensburg, 06.-08.03. 1996, S. 6-7 (eingeladener Vortrag).

  2. Heute, U.:
    Instrumental Speech-Quality Measures: State, Developments, Questions.
    Proceedings Workshop on Quality Assessment in Speech, Audio and Image Communication, Darmstadt, 11.-13.03.1996, pp. 1-3 (eingeladener Vortrag).

  3. Serafat, R.; Heute, U.:
    A Wide-Band Speech-Model Process as a Test Signal for Objective Quality Assessment.
    Proceedings IEEE-ISCAS ´96, Atlanta, 1996, Vol. II, pp. 61-64.

  4. Karp, T.; Kliewer, J.; Mertins,A.; Fliege, N. J.:
    Processing Arbitrary-Length Signals with MDFT Filter Banks.
    Proceedings IEEE-ICASSP ´96, Atlanta, 1996, pp. 1479-1482.

  5. Serafat, R.; Heute, U.:
    A Wide-Band Speech-Model Process as a Test Signal.
    Proceedings EUSIPCO ´96, Trieste, 1996, Vol. I, pp. 487-490.

  6. Kliewer, J.:
    Simplified Design of Linear-Phase Prototype Filters for Modulated Filter Banks.
    Proceedings EUSIPCO ´96, Trieste, 1996, Vol. II, pp. 1191-1194.

  7. Hossen, A. N.; Heute, U.:
    Using the Subband-DFT in Speech Cepstrum Analysis and Echo Detection.
    ITG-Tagung "Sprachkommunikation", Frankfurt a.M., 17.-18. September 1996, S. 125-128.

  8. Heute, U.:
    Sprachverbesserung/ Störreduktion.
    5. Workshop zur "Studie Sprachstrukturen", Inst. f. Deutsche Sprache, Mannheim, 1996.


    1995Zum Seitenanfang


  1. Shentov, O. V.; Mitra, S. K.; Heute, U.; Hossen, A. N.:
    Subband DFT - Part I: Definition, Interpretation, and Implementation.
    Signal Processing, Vol. 41(1995), pp. 261 - 277.

  2. Hossen, A. N.; Heute, U.; Shentov, O. V.; Mitra, S. K.:
    Subband DFT - Part II: Accuracy, Complexity, and Applications.
    Signal Processing, Vol. 41 (1995), pp. 279 - 294.

  3. Qi, H.:
    Entwurf von FIR-Filtern mit extremen Wortlängen-Beschränkungen.
    Arbeiten über digitale Signalverarbeitung Nr. 7, AGDSV, Ruhr-Universität Bochum, 1995.

  4. Solbach, L.; Wöhrmann, R.; Kliewer, J.:
    The Complex-Valued Continuous Wavelet Transform of a Preprocessor for Auditory Scene Analysis.
    Proc. IJCAI - CASA, Montreal. (Also published in: D.F. Rosenthal und H.G. Okuno (Hrsg.), Readings in Computational Auditory Scene Analyses. Erlbaum Publishers, 1998, ISBN 0-8058-2283-6, pp. 273-291.)

  5. Qi, H.; Heute, U.:
    Cascaded FIR Filter with Discrete Coefficients.
    Proceedings ECCTD-95, Istanbul, 1995, pp. 183 - 186.

  6. Serafat, R.: In ITU COM 12-62-E,
    Speech-Model Processes Controlled by Discrete Markov Chains (MSMP).
    ITU Study Group 12 - Contribution 62, Herzogenrath, 1995, pp. 19 - 22.

  7. Heute, U.:
    Ansätze zur hochauflösenden Schmalband-Spektralanalyse und eineAnwendung.
    12. Ulmer Professoren-Fachgespräch der DASA, Ulm, 1995.

  8. Heute, U.; Hossen, A. N.:
    Digitale Auswertung von KFZ-Unterboden-Radarsignalen.
    Abschlußbericht über Untersuchungen der AGDSV Ruhr-Universität Bochum und des LNS Technische Fakultät Kiel, 1995.

  9. Heute, U.:
    Sprachkodierung: Ansätze, Tendenzen, Standardisierungen.
    Antrittsvorlesung, Kolloquium der Technischen Fakultät der CAU, Kiel, 1995.


    1994Zum Seitenanfang


  1. Heute, U.:
    Objektive Sprachqualitätsmessungen: Vergleichende Übersicht und ein neuer Ansatz.
    8. Aachener Kolloquium Signal Theorie / Mobilkommunikation,Aachen, 1994, S. 21 - 28 (eingeladener Vortrag).

  2. Carl, H.:
    Bandbreitenvergrößerung von Schmalbandsignalen.
    8. AachenerKolloquium Signal Theorie / Mobilkommunikation, Aachen, 1994, S. 255 - 258.

  3. Heute, U.:
    Standardisierung und Bewertung von Sprachkodierverfahren.
    DAGA'94, Dresden, 1994, S. 123 - 131 (eingeladener Vortrag).

  4. Hossen, A. N.; Heute, U.:
    Filterbank Interpretation and Fixed-Point Numerical Accuracy of Subband FFT.
    Proceedings IEEE Int. Sympos. Circ. & System (ISCAS), London, 1994, pp. 345 - 348.

  5. Heute, U.; Hossen, A. N.; Seraji, G. A.:
    Fixed-Point Subband FFT Arithmetic Error Analysis.
    Proceedings IEEE/NORSIG, Ålesund, 1994, pp. 168 - 173.

  6. Hossen, A. N.; Heute, U.:
    Two-Dimensional Subband DFT Algorithm.
    Proceedings IEEE/NORSIG, Ålesund 1994, pp. 163 - 167.

  7. Serafat, R.:
    Speech-Model Processes Controlled by Discrete Markov Chains.
    ITU-T Workshop on Signal Processing and Test Signals, Kopenhagen, 1994.

  8. Carl, H.; Heute, U.:
    Bandwidth Enhancement of Narrow-Band Speech Signals.
    Proceedings EUSIPCO '94, Edinburgh, 1994, pp. 1178 - 1181.

  9. Hossen, A. N.; Heute, U.:
    Different Approaches for a High-Resolution Narrow-Band Spectrum.
    Proceedings EUSIPCO '94, Edinburgh, 1994, pp. 1716 - 1719.

  10. Heute, U.:
    Sprachkodierung: Ansätze, Tendenzen, Standardisierungen.
    ITG-Tagung "Source & Channel-Coding", München 1994, S. 437 - 448 (eingeladener Vortrag).

  11. Carl, H.:
    Untersuchung verschiedener Methoden der Sprachkodierung und eineAnwendung zur Bandbreitenvergrößerung von Schmalband-Sprachsignalen.
    Arbeiten über digitale Signalverarbeitung Nr. 4, AGDSV, Ruhr-Universität Bochum, 1994.

  12. Iribarren, M.:
    Real-Time Spectral Estimation of Plasma Waves Using Space-Plasma Particle Measurements.
    Arbeiten über digitale Signalverarbeitung Nr. 5, AGDSV, Ruhr-Universität Bochum, 1994.

  13. Hauenstein, M.:
    Comparative Study of Psychoacoustics-Based Objective Speech-Quality Measures Using Markov SIRPs.
    Proceedings Workshop on SpeechQuality Assessment, EURASIP - ITG, Bochum, 1994, pp. 30 - 35.

  14. Serafat, R.:
    Speech-Model Processes Controlled by Markov Chains.
    Proceedings Workshop on Speech Quality Assessment. EURASIP - ITG.Bochum, 1994, p. 55.

  15. Hossen, A. N.:
    Fast Approximate Discrete Fourier Transform Based on Subband Decomposition.
    Arbeiten über digitale Signalverarbeitung Nr. 6, AGDSV, Ruhr-Universität Bochum, 1994.


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