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Modified Discrete Cosine Transform (MDCT) and Modified Discrete Sine Transform (MDST)
The MDCT and MDST are lapped transforms based on the DCT/DST that are widely used in audio coding (MP3, AAC, Vorbis) due to their perfect reconstruction properties with overlapping windows.
Functionsยง
- imdct
- Compute the Inverse Modified Discrete Cosine Transform (IMDCT)
- imdst
- Inverse Modified Discrete Sine Transform (IMDST)
- mdct
- Compute the Modified Discrete Cosine Transform (MDCT)
- mdct_
overlap_ add - Perform overlap-add reconstruction from MDCT coefficients
- mdst
- Modified Discrete Sine Transform (MDST)