Voiceage Corporation

Vladimir Malenovsky

Tommy Vaillancourt

A method and device selecting one of a first stereo mode and a second stereo mode for coding a stereo sound signal including a left channel and a right channel, comprises producing a first output indicative of a presence or absence of uncorrelated stereo content in the stereo sound signal, producing a second output indicative of a presence or absence of cross-talk in the stereo sound signal, calculating auxiliary parameters for use in selecting the stereo mode for coding a stereo sound signal, and selecting the stereo mode for coding a stereo sound signal in response to the first output, the second output and the auxiliary parameters.

Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codec

Two-stage speech/music classification device and method classify an input sound signal and select a core encoder for encoding the sound signal. A first stage classifies the input sound signal into one of a number of final classes. A second stage extracts high-level features of the input sound signal and selects the core encoder for encoding the input sound signal in response to the extracted high-level features and the final class selected in the first stage.

Growing community of inventors

Brno, Czechia

Vladimir Malenovsky