Spectral entropy-based wideband speech coding

Abstract

Wideband speech coding is concerned with speech in the 50 Hz to 7 kHz band and is important in video-conferencing applications. For a new standard at 24 and 32 kbits/s, G.722.1, standardization efforts are underway to achieve good quality wideband speech at 14-16 kbits/s. We present a new approach to wideband speech compression based upon spectral entropy… (More)

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