Transform vector quantization for adaptive predictive coding
US5487086A · kind A · utility
63Cited by
9References
5Claims
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Key dates
| Filing date | Sep 13, 1991 |
| Grant date | Jan 23, 1996 |
| Priority date | — |
| Expiry date | Sep 13, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2019/0013
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Before transmitting signals to a receiver, the signals are subjected to adaptive prediction to generate a residual signal for transmission, and the residual signal is then transformed into frequency domain coefficients, the coefficients are grouped together to form vectors, and the vectors are then quantized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.