Low complexity MBE synthesizer for very low bit rate voice messa

Details Low complexity MBE synthesizer for very low bit rate voice messa Low complexity MBE synthesizer for very low bit rate voice messa

1998-04-13

2000-05-16

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704214, 704268, G10L 1106

Patent

active

060649550

ABSTRACT:
A MBE synthesizer (2200) for generating speech from information received by a receiver (114) includes a voiced signal generator (2280) for generating voiced signal components in the time domain using an IDFT in a pitch wave generator (2210) and and a pitch wave resampler (2232) and an unvoiced signal generator (2290) for generating unvoiced signal components in the time domain. The MBE synthesizer also includes a voicing processor (2218) responsive to band voicing flags within the excitation information for controlling selection of a voiced spectral component or an unvoiced spectral component from a harmonic amplitude spectrum.

REFERENCES:
patent: 5664051 (1997-09-01), Hardwick et al.

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