The Modified Discrete Cosine Transform: Its Implications for Audio Coding and Error Concealment

Wang Y, Vilermo M. The Modified Discrete Cosine Transform: Its Implications for Audio Coding and Error Concealment. In: AES Conference: 22nd International Conference: Virtual, Synthetic, and Entertainment Audio. Audio Engineering Society; 2002. Paper 000258. Available from: https://aes.org/publications/elibrary-page/?id=11125

@inproceedings{Wang2002_11125,
  author = {Wang, Ye and Vilermo, Miikka},
  title = {{The Modified Discrete Cosine Transform: Its Implications for Audio Coding and Error Concealment}},
  booktitle = {AES Conference: 22nd International Conference: Virtual, Synthetic, and Entertainment Audio},
  note = {Paper 000258},
  year = {2002},
  month = jun,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=11125}
}

TY  - CPAPER
TI  - The Modified Discrete Cosine Transform: Its Implications for Audio Coding and Error Concealment
AU  - Wang, Ye
AU  - Vilermo, Miikka
T2  - AES Conference: 22nd International Conference: Virtual, Synthetic, and Entertainment Audio
M1  - Paper 000258
PY  - 2002
DA  - 2002/06/06
UR  - https://aes.org/publications/elibrary-page/?id=11125
PB  - Audio Engineering Society
LA  - en
AB  - This paper presents a study of the Modified Discrete Cosine Transform (MDCT) and its implications for audio coding and error concealment from the perspective of Fourier frequency analysis. A relationship between the MDCT and DFT via Shifted Discrete Fourier Transform (SDFT) is established, which provides a possible fast implementation of MDCT employing an FFT routine. The concept of Time Domain Alias Cancellation (TDAC), the symmetric and non-orthogonal properties of MDCT are analyzed and illustrated with intuitive examples. This study gives some new insights for innovative solutions in audio codec design and MDCT domain audio processing such as error concealment.
ER  -