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Patent applications and USPTO patent grants for Copperi; Maurizio.The latest application filed is for "method of and device for speech signal coding and decoding by parameter extraction and vector quantization techniques".
Patent | Date |
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Method of and device for speech signal coding and decoding by parameter extraction and vector quantization techniques Grant 4,860,355 - Copperi August 22, 1 | 1989-08-22 |
Method of and device for speech signal coding and decoding by subband analysis and vector quantization with dynamic bit allocation Grant 4,811,398 - Copperi , et al. March 7, 1 | 1989-03-07 |
Method of and device for speech signal coding and decoding by vector quantization techniques Grant 4,791,670 - Copperi , et al. December 13, 1 | 1988-12-13 |
Digital echo-cancellation method and circuit arrangement Grant 4,558,187 - Billi , et al. December 10, 1 | 1985-12-10 |
PCM telecommunication system with merger of two bit streams along a common signal path Grant 4,049,917 - Copperi , et al. September 20, 1 | 1977-09-20 |
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