A CELP speech decoder includes an adaptive codebook that generates an adaptive code vector and a random codebook that generates a random code vector. The random codebook includes an input vector provider that provides an input vector including at least one pulse, each pulse having a position and a polarity,...http://www.google.fr/patents/US8036887?utm_source=gb-gplus-shareBrevet US8036887 - CELP speech decoder modifying an input vector with a fixed waveform to transform a waveform of the input vector
CELP speech decoder modifying an input vector with a fixed waveform to ...
