Gram-Schmidt-Based Downmixer and Decorrelator in the MPEG Surround Coding

Chen DP, Hsiao HF, Hsu HW, Liu CM. Gram-Schmidt-Based Downmixer and Decorrelator in the MPEG Surround Coding. In: AES Convention 128. Audio Engineering Society; 2010. Paper 8067. Available from: https://aes.org/publications/elibrary-page/?id=15364

@inproceedings{Chen2010_15364,
  author = {Chen, Der Pei and Hsiao, Hsu-Feng and Hsu, Han Wen and Liu, Chi Min},
  title = {{Gram-Schmidt-Based Downmixer and Decorrelator in the MPEG Surround Coding}},
  booktitle = {AES Convention 128},
  note = {Paper 8067},
  year = {2010},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=15364}
}

TY  - CPAPER
TI  - Gram-Schmidt-Based Downmixer and Decorrelator in the MPEG Surround Coding
AU  - Chen, Der Pei
AU  - Hsiao, Hsu-Feng
AU  - Hsu, Han Wen
AU  - Liu, Chi Min
T2  - AES Convention 128
M1  - Paper 8067
PY  - 2010
DA  - 2010/05/06
UR  - https://aes.org/publications/elibrary-page/?id=15364
PB  - Audio Engineering Society
LA  - en
AB  - MPEG Surround (MPS) coding is an efficient method for multichannel audio coding. In an MPS encoder, downmixing from multichannel signals into a less number of channels is an efficient way to achieve high compression rate. In decoder, an upmixing module combining with the decorrelator is the key module to reconstruct the multichannel signals. This paper considers the design of the downmixer and the decorrelator with the assistance of the Gram-Schmidt orthogonal process. The performance of the proposed algorithms in the downmixer and the decorrelator are verified through intensive objective and subjective quality measure.
ER  -