Rate loop processor for perceptual encoder/decoder
USRE39080E1 · kind E1 · reissue
95Cited by
47References
3Claims
0Family size
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Key dates
| Filing date | Aug 13, 2002 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Aug 13, 2022 |
Classification
- Technology area (CPC —)General
Abstract
A method and apparatus for quantizing audio signals is disclosed which advantageously produces a quantized audio signal which can be encoded within an acceptable range. Advantageously, the quantizer uses a scale factor which is interpolated between a threshold based on the calculated threshold of hearing at a given frequency and the absolute threshold of hearing at the same frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.