2025
Stereo Downmix in 3GPP IVAS for EVS Compatibility
ICASSP 2025accepted
The 3GPP IVAS codec specifies an EVS-compatible stereo downmix as one of the key functionalities. This paper describes how this novel active downmix scheme has been devised to achieve high and stable quality from stereo input to EVS encoder/decoder with no additional algorithmic delay. An example of…