Active Multichannel Audio Downmix

Karapetyan A, Fleischmann F, Plogsties J. Active Multichannel Audio Downmix. In: AES Convention 145. Audio Engineering Society; 2018. Paper 10081. Available from: https://aes.org/publications/elibrary-page/?id=19807

@inproceedings{Karapetyan2018_19807,
  author = {Karapetyan, Aleksandr and Fleischmann, Felix and Plogsties, Jan},
  title = {{Active Multichannel Audio Downmix}},
  booktitle = {AES Convention 145},
  note = {Paper 10081},
  year = {2018},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=19807}
}

TY  - CPAPER
TI  - Active Multichannel Audio Downmix
AU  - Karapetyan, Aleksandr
AU  - Fleischmann, Felix
AU  - Plogsties, Jan
T2  - AES Convention 145
M1  - Paper 10081
PY  - 2018
DA  - 2018/10/06
UR  - https://aes.org/publications/elibrary-page/?id=19807
PB  - Audio Engineering Society
LA  - en
AB  - Mixing down signals of a multichannel con?guration into a format with fewer channels is widely used in many areas of audio coding, production, and recording. Commonly used downmix methods are based on fixed downmix coefficients or mixing equations. Experience has shown that these passive methods cause quality losses in terms of speech intelligibility, vocal/instrumental clarity, and timbre-changes. In this paper a novel method is introduced that addresses these problems. The method aims to preserve the energy of the input signals during the downmix. In doing so, magnitude and phase are retrieved from two different approaches and combined afterwards. A listening test was conducted. The results prove that the introduced method has a significant positive effect on the aforementioned quality aspects.
ER  -