Christoph Erdmann – Publications

Dr.-Ing. Christoph Erdmann (2004)

Former scientific co-worker

Current Employer:: Nokia, Düsseldorf
E-mail:: christoph.erdmann(at)nokia.com

Erdmann, C.:

Hierarchical Vector Quantization: Theory and Application to Speech Coding,
Dissertation, no. 19 in Aachener Beiträge zu Digitalen Nachrichtensystemen (ABDN) ed. by Vary, P., Aachen, Germany: Verlag Mainz, July 2005, ISBN: 3-861-30646-8.
Erdmann, C. and Vary, P.:

Performance of multistage vector quantization in hierarchical coding,
in: European Transactions on Telecommunications, vol. 15, no. 4, July 2004, pp. 363–372.
Erdmann, C. and Vary, P.:

Performance of multistage vector quantization in hierarchical coding,
in: Proceedings of International ITG Conference on Source and Channel Coding (SCC), (Erlangen, Germany), Jan. 2004.
Hoelper, C., Frankort, A., and Erdmann, C.:

Voiced/Unvoiced/Silence Classification for Offline Speech Coding,
in: Proceedings of International Student Conference on Electrical Engineering (POSTER), (Prague), May 2003.
Erdmann, C. and Vary, P.:

Embedded Speech Coding Based on Pyramid CELP,
in: Proceedings of IEEE Workshop on Speech Coding (SCW), (Tsukuba, Japan), Oct. 2002.
Hoelper, C., Frankort, A., Erdmann, C., and Vary, P.:

A Novel Voiced/Unvoiced/Silence Classification Scheme for Offline Speech Coding,
in: Proceedings of European Signal Processing Conference (EUSIPCO), (Toulouse), Sept. 2002.
Erdmann, C., Bauer, D., and Vary, P.:

Pyramid CELP: Embedded Speech Coding For Packet Communications,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Orlando, Florida, USA), May 2002.
Erdmann, C., Vary, P., Fischer, K., Xu, W., Marke, M., Fingscheidt, T., Varga, I., Kaindl, M., Quinquis, C., Kövesi, B., and Massaloux, D.:

A Candidate Proposal for a 3GPP Adaptive Multi-Rate Wideband Speech Codec,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Salt Lake City, Utah, USA), vol. 2, May 2001, pp. 757–760.
Erdmann, C., Vary, P., Fischer, K., Stegmann, J., Quinquis, C., Massaloux, D., and Kövesi, B.:

An Adaptive Multi Rate Wideband Speech Codec with Adaptive Gain Re-Quantization,
in: Proceedings of IEEE Workshop on Speech Coding (SCW), (Delavan, Wisconsin, USA), Sept. 2000, pp. 145–147.
Schnitzler, J., Eggers, J., Erdmann, C., and Vary, P.:

Wideband Speech Coding Using Forward/Backward Adaptive Prediction with Mixed Time/Frequency Domain Excitation,
in: Proceedings of IEEE Workshop on Speech Coding (SCW), (Haikko Manor, Porvoo, Finland), June 1999, pp. 4–6.