US PATENT SUBCLASS 704 / 211
.~.~ Time

Current as of: June, 1999
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704 /   HD   DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION

200  DF  SPEECH SIGNAL PROCESSING {4}
201  DF  .~ For storage or transmission {12}
211.~.~ Time {5}
212  DF  .~.~.~> Pulse code modulation (PCM)
213  DF  .~.~.~> Zero crossing
214  DF  .~.~.~> Voiced or unvoiced
215  DF  .~.~.~> Silence decision
216  DF  .~.~.~> Correlation function {2}

DEFINITION

Classification: 704/211

Time:

(under subclass 201) Subject matter wherein the speech signal is represented using time (e.g., time measurements and energy measured over time).