Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Multi-stage pitch and mixed voicing estimation for harmonic speech coders

Multi-stage pitch and mixed voicing estimation for harmonic speech coders

US Patent 6438517 · Granted Aug 20, 2002

Estimated economic value: $27,921,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for automatic gain control2017
Method and apparatus for masking wind noise2015
Apparatus and method for convergence control2013
Systems and methods for selectively switching between multiple microphones2011
Background noise reduction in sinusoidal based speech coding systems2010
Lost frame recovery techniques for parametric, LPC-based speech coding systems2004
Multi-stage pitch and mixed voicing estimation for harmonic speech coders2002
Efficient quantization of speech spectral amplitudes based on optimal interpolat2002
Method of determining the voicing probability of speech signals2002
Method of determining the voicing probability of speech signals2001
Adaptive post-filtering technique based on the Modified Yule-Walker filter2001
Formant weighted vector quantization of LPC excitation harmonic spectral amplitu2000