Fixed codebook structure including sub-codebooks

Fixed rate speech compression system and method

Fixed sound source vector generation method and fixed sound...

Flexible variable rate vocoder for wireless communication...

Focused search method of fixed codebook and apparatus thereof

Formant frequency estimation method, apparatus, and medium...

Formant tracking based on phoneme information

Formant weighted vector quantization of LPC excitation harmonic

Formants extracting method combining spectral peak picking...

Fractional pitch method

Frame erasure compensation method in a variable rate speech...

Frame-based audio coding with additional filterbank to suppress

Frame-based audio coding with gain-control words

Frame-based audio coding with video/audio data synchronization b

Frame-based subband Kalman filtering method and apparatus...

Frame-count-dependent smoothing filter for reducing abrupt decod

Frequency converter system

Frequency domain format enhancement

Frequency domain interpolative speech codec system

Frequency domain postfiltering for quality enhancement of...