PR and publications

         IST Results has published an article on ARDOR results, 16 Aug. 2005,  see press release
a.http://istresults.cordis.lu/index.cfm/section/news/tpl/article/BrowsingType/Features/ID/78017
b.http://www.prnewsnow.com/PR%20News%20Releases/Technology/Multimedia/Universal%20Codec%20to%20Set%20Sound%20Free
c. http://www.physorg.com/news5834.html

         Paragraph in "Next Generation of Audio Communications," JAES Volume 54 Number 9 pp. 865-867; September 2006.

Journal papers:

         J. Jensen, R. Heusdens, and S. H. Jensen, A Perceptual Subspace Approach for Modelling of Speech and Audio Signals with Damped Sinusoids, IEEE Trans. Speech Audio Processing, vol. 12, no. 2, pp. 121-132, March 2004.

         R. Vafin and W. B. Kleijn, Entropy-Constrained Polar Quantization and its Application to Audio Coding, IEEE Trans. Speech Audio Processing, vol. 13, no. 2, pp. 220-232, March 2005.

         R. Vafin, D. Prakash and W. B. Kleijn, "On Frequency Quantization in Sinusoidal Audio Coding," IEEE Signal Processing Lett., vol. 12, no. 3, pp. 210-213, March 2005.

         S. van de Par, A. Kohlrausch, R. Heusdens, J. Jensen, and S. H. Jensen, A Perceptual Model for Sinusoidal Audio Coding based on Spectral Integration, EURASIP J. on Applied Signal Processing, Special issue on Anthropomorphic Signal Processing, no. 9, pp. 1292-1304, Jun. 2005.

         Niamut, O. A., and Heusdens, R. (2005). Optimal Time Segmentation For Overlap-Add Systems With Variable Amount Of Window Overlap, IEEE Signal Processing Let., vol. 12, no. 10, pp. 665-668, Oct. 2005.

         H. Pobloth, R. Vafin, and W. B. Kleijn, Multivariate block polar quantization, IEEE Trans. on Communications, vol. 53,  no. 12,  pp. 2043 2053, Dec. 2005.

         Vafin, R., and Kleijn, W. B. (2006). Rate-Distortion Optimized Quantization in Multistage Audio Coding, IEEE Trans. Audio, Speech, Language Processing, vol. 14,    no. 1, pp. 311-320, Jan. 2006.

         M. G. Christensen and S. H. Jensen, On Perceptual Distortion Minimization and Nonlinear Least-Squares Frequency Estimation, IEEE Trans. Speech Audio and Language Proc, Special Issue on Statistical and Perceptual Audio Processing, Vol. 14, Nr. 1, pp. 99 109, Jan. 2006.

         M. G. Christensen, A. Jakobsson, S. V. Andersen, and S. H. Jensen, Amplitude Modulated Sinusoidal Signal Decomposition for Audio, IEEE Signal Processing Lett., Vol. 13, No. 7, pp. 389 392, July 2006.

         M. G. Christensen and S. van de Par, Efficient Parametric Coding of Transients, IEEE Trans. Speech, Audio and Language Processing, Vol. 14, Nr. 4, pp. 1340 1351, July 2006.

         J. H. Plasberg and W. B. Kleijn, The Sensitivity Matrix: Using Advanced Auditory Models in Speech and Audio Processing, IEEE Trans. Audio, Speech and Language Process., vol. 15, no. 1, pp. 310-319, Jan. 2007.

         M. G. Christensen, A. Jakobsson and S. H. Jensen, Joint High-Resolution Fundamental Frequency and Order Estimation, IEEE Trans. on Audio, Speech and Language Processing, vol. 15, no. 5, pp. 1635-1644, 2007.

Conference papers and presentations:

         J. Jensen, R. Heusdens and S. H. Jensen, A Perceptual Subspace Method for Sinusoidal Speech and Audio Modeling, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2003), Hong Kong, China, April 6-19, 2003, vol. V, pp. 401-404.

         O. A. Niamut and R. Heusdens, Flexible Frequency Decompositions for Cosine-Modulated Filter Banks, in Proc. IEEE Int. Conf. on Acoust., Speech, Signal Processing (ICASSP 2003), Hong Kong, China, April 6-19, 2003, vol. V, pp. 449-452.

         C. A. Rdbro, M. G. Christensen, S. V. Andersen and S. H. Jensen, Compressed Domain Packet Loss Concealment of Sinusoidally Coded Speech, in Proc. IEEE Int. Conf. on Acoust., Speech, Signal Processing (ICASSP 2003), Hong Kong, China, April 6-19, 2003, vol. I, pp. 104-107.

         M. G. Christensen, S. V. Andersen, and S. H. Jensen, Amplitude Modulated Sinusoidal Models for Audio Modeling and Coding, in Proc. Int. Conf. On Knowledge-Based Intelligent Information and Engineering Systems, Lecture Notes in Artificial Intelligence, Oxford, England, Sept. 2003, vol. 2773, pp. 1334-1342.

         J. Jensen and R. Heusdens, A Comparison of Differential Schemes for Low-Rate Sinusoidal Audio Coding, in Proc. IEEE Workshop on Applications of Signal Processing to udio and Acoustics (WASPAA 2003), New Paltz, New York, USA, Oct. 19-22, 2003, pp. 205-208.

         D. Kloosterman, R. Heusdens and J. Jensen, Estimation Of Sinusoidal Model Parameters Using Newton, in Proc. Fourth IEEE Benelux Signal Processing Symposium (SPS 2004), Hilvarenbeek, The Netherlands, April 15-16, 2004, pp. 199-202.

         O. A. Niamut and R. Heusdens, Rate-Distortion optimal audio coding with signal adaptive MDCT, in Proc. Fourth IEEE Benelux Signal Processing Symposium (SPS 2004), Hilvarenbeek, The Netherlands, April 15-16, 2004, pp. 79-82.

         M. G. Christensen, S. van de Par, S. H. Jensen, and S. V. Andersen, Multiband Amplitude Modulated Sinusoidal Audio Modeling, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2004), Montreal, Canada, May 17-21, 2004, vol. IV, pp. 169-172.

         H. Pobloth, R. Vafin, and W. B. Kleijn, Multi-Variate Block Polar Quantization and an Application to Audio, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2004), Montreal, Canada, May 17-21, 2004, vol. IV, pp. 197-200.

         R. Vafin and W. B. Kleijn, "Towards Optimal Quantization in Multistage Audio Coding", in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2004), Montreal, Canada, May 17-21, 2004, vol. IV, pp. 205-208.

         M. G. Christensen, S. H. Jensen, S. V. Andersen, and A. Jakobsson, Subspace-based Fundamental Frequency Estimation, 12th European Signal Processing Conference (EUSIPCO2004), Vienna, Austria, September 6-10, 2004, pp. 637-640.

         J. Jensen and R. Heusdens, Time-Differential Encoding of Sinusoidal Model Parameters for Multiple Successive Segments, in Proc. 12th European Signal Processing Conference (EUSIPCO 2004), Vienna, Austria, September 6-10, 2004, pp. 2275-2278.

         O. A. Niamut and R. Heusdens, RD Optimal Time-Segmentations for the Time-Varying MDCT, in Proc. 12th European Signal Processing Conference (EUSIPCO2004), Vienna, Austria, September 6-10, 2004, pp. 1649-1652.

         J. H. Plasberg, D. Y. Zhao, W. B. Kleijn, The Sensitivity Matrix for a Spectro-Temporal Auditory Model, 12th European Signal Processing Conference (EUSIPCO2004), Vienna, Austria, September 6-10, 2004, pp. 1673-1676, Winner of the 'Young Authors Best Paper Award'.

         M. G. Christensen and S. van de Par, Rate-Distortion Efficient Amplitude Modulated Sinusoidal Audio Coding, in Proc. Thirty-Eighth Annual Asilomar Conference on Signals, Systems, and Computers, Pacific Grove (California), USA, Nov. 7-10, 2004.

         F. Nordn, S. V. Andersen, S. H. Jensen and W. B. Kleijn, Property Vector based Distortion Estimation, in Proc. Thirty-Eighth Annual Asilomar Conference on Signals, Systems, and Computers, Pacific Grove (California), USA, Nov. 7-10, 2004.

         M. G. Christensen, A. Jakobsson, S. V. Andersen, and S. H. Jensen, Linear AM Decomposition for Sinusoidal Audio Coding, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2005), Philadelphia, USA, March 19-23, 2005, vol. III, pp. 165-168.

         R. Heusdens and J. Jensen, Jointly Optimal Time Segmentation, Component Selection and Quantization for Sinusoidal Coding of Audio and Speech, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2005), Philadelphia, Pennsylvania, USA, March 19-23, 2005, vol. III, pp. 193-196.

         F. Nordn, M. G. Christensen, and S. H. Jensen, Open Loop Rate-Distortion Optimized Audio Coding, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2005), Philadelphia, USA, March 19-23, 2005, vol. III, pp. 161-164.

         O. A. Niamut and R. Heusdens, Time Segmentation Algorithms for the Time-Varying MDCT, in Proc. 1st IEEE BENELUX/DSP Valley Signal Processing Symposium (SPS-DARTS'05), Antwerp, Belgium, April 19-20, 2005, pp. 101-104.

         S. van de Par, Rate-distortion optimisation in audio coding using a perceptual distortion measure, in Proc. 1st IEEE BENELUX/DSP Valley Signal Processing Symposium (SPS-DARTS'05), Antwerp, Belgium, April 19-20, 2005, invited paper 004.

         N. H. van Schijndel and G. d'Ambrosio, On delay in parametric audio coding with adaptive segmentation, in Proc. 1st IEEE BENELUX/DSP Valley Signal Processing Symposium (SPS-DARTS'05), Antwerp, Belgium, April 19-20, 2005, pp. 37-40.

         O. Niemeyer and B. Edler, Efficient Coding of Excitation Patterns Combined with a Transform Audio Coder, in Proc. 118th Audio Eng. Soc. (AES) Convention, Barcelona,Spain, May 28-31, 2005, Convention Paper 6466.

         S. van de Par, V. Kot, and N. H. van Schijndel, Scalable Noise Coder for Parametric Sound Coding, in Proc. 118th AES Convention, Barcelona, Spain, May 28-31, 2005, Convention Paper 6465.

         O. A. Niamut, R. Heusdens, and H. J. Lincklaen Arrins, Upfront Time Segmentation Methods for Transform Coding of Audio, in Proc. 119th AES Convention, New York, USA, Oct. 7-10, 2005, Convention Paper 6585.

         R. Heusdens, J. Jensen, P. Korten, and R. Vafin, Rate-Distortion Optimal High-Resolution Differential Quantization for Sinusoidal Coding of Audio and Speech, in Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2005), New Paltz, New York, USA, Oct. 16-19, 2005, pp. 243-246.

         J. Lindblom, J. Plasberg, and R. Vafin, Flexible Sum-Difference Stereo Coding Based on Time-Aligned Signal Components, in Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2005), New Paltz, New York, USA, Oct. 16-19, 2005, pp. 255-258.

         C. A. Rdbro, M. G. Christensen, F. Nordn, and S. H. Jensen,  Low Complexity Rate-Distortion Optimized Time-Segmentation for Audio Coding, in Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2005), New Paltz, New York, USA, Oct. 16-19, 2005, pp. 231-234.

         N. H. van Schijndel and S. van de Par, Rate-Distortion Optimized Hybrid Sound Coding, in Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2005), New Paltz, New York, USA, Oct. 16-19, 2005, pp. 235-238.

         R. Vafin and W. B. Kleijn, Jointly Optimal Quantization of Parameters in Sinusoidal Audio Coding, in Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2005), New Paltz, New York, USA, Oct. 16-19, 2005, pp. 247-250.

         M. G. Christensen and S. H. Jensen, Computationally Efficient Amplitude Modulated Sinusoidal Audio Coding using Frequency-Domain Linear Prediction, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2006), Toulouse, France, May 14-19, 2006, Vol. 5, pp. 61-64.

         O.A. Niamut and R. Heusdens, RD Optimal Temporal Noise Shaping For Transform Audio Coding, in Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP 2006), Toulouse, France, May 14-19, 2006, Vol. 5, pp. 189-192.

         M. G. Christensen and S. H. Jensen, New Results in Rate-Distortion Optimized Parametric Audio Coding, in Proc. 120th Audio Eng. Soc. (AES) Convention, Paris, May, 2006, Convention Paper 6808.

         O. Niemeyer and B. Edler, Detection and Extraction of Transients for Audio Coding, in Proc. 120th Audio Eng. Soc. (AES) Convention, Paris, May, 2006, Convention Paper 6811.

         B. Kvesi, D. Massaloux, D. Virette, J. Bensa, Integration of a CELP Coder in the ARDOR Universal Sound Codec, in Proc. Interspeech 2006, Pittsburgh, USA, 17-21 Sept. 2006.

         N. H. van Schijndel and L. Gros and S. van de Par (2007), Dynamic bit-rate adaptation for speech and audio, in Proc. 123th Audio Eng. Soc. Convention, New York, NY, USA, 5-8 Oct. 2007, Convention Paper 7288.

Ph.D. theses:

         R. Vafin, Towards Flexible Audio Coding, PhD thesis, KTH (Royal Institute of Technology), Stockholm, Sweden, Dec. 2004.

         M. G. Christensen, Estimation and Modeling Problems in Parametric Audio Coding, Ph.D. thesis, Dept. of Communication Technology, Aalborg University, ISBN 87-90834-80-1, July 2005.

         O. Wbbolt, Codierung von Erregungsmustern zur Steuerung einer transformationsbasierten Audiocodierung (in German), Ph.D. Dissertation, Universitt Hannover, Fortschrit-Berichte VDI, Reihe 10, Nr. 775",  "VDI-Verlag Dsseldorf", 6 Nov. 2006.

         O. A. Niamut, Adaptive Time-Frequency Decompositions for MDCT-based Audio Coding, PhD thesis, DUT (Delft University of Technology), 14 Nov. 2006.