Grant A. Davidson
52Patents
18h-index
39Co-inventors
84Inventor score
Filing activity: Apr 6, 1987 → Jun 28, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5394473A | Adaptive-block-length, adaptive-transforn, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio | Physics | 408 | Expired |
| US5579404A | Digital audio limiter | Electricity | 226 | Expired |
| US5109417A | Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio | Physics | 175 | Expired |
| US5727119A | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase | Electricity | 165 | Expired |
| US7447631B2 | Audio coding system using spectral hole filling | Physics | 143 | Expired |
| US4868867A | Vector excitation speech or audio coder for transmission or storage | Physics | 132 | Expired |
| US5142656A | Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio | Electricity | 112 | Expired |
| US6246345A | Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding | Physics | 105 | Expired |
| US5632003A | Computationally efficient adaptive bit allocation for coding method and apparatus | Electricity | 105 | Expired |
| US5297236A | Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder | Electricity | 100 | Expired |
| US5848391A | Method subband of coding and decoding audio signals using variable length windows | Electricity | 90 | Expired |
| US5479562A | Method and apparatus for encoding and decoding audio information | Physics | 85 | Expired |
| US6363338B1 | Quantization in perceptual audio coders with compensation for synthesis filter noise spreading | Physics | 72 | Expired |
| US5230038A | Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio | Electricity | 65 | Expired |
| US7337118B2 | Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components | Physics | 40 | Expired |
| US7516064B2 | Adaptive hybrid transform for signal analysis and synthesis | Electricity | 39 | Expired |
| US5451954A | Quantization noise suppression for encoder/decoder system | Electricity | 31 | Expired |
| US8032387B2 | Audio coding system using temporal shape of a decoded signal to adapt synthesized spectral components | Physics | 18 | Active |
| US8392179B2 | Multimode coding of speech-like and non-speech-like signals | Physics | 17 | Active |
| US8050933B2 | Audio coding system using temporal shape of a decoded signal to adapt synthesized spectral components | Physics | 17 | Active |
| US8693699B2 | Method for adaptive control and equalization of electroacoustic channels | Electricity | 9 | Active |
| US10149082B2 | Reverberation generation for headphone virtualization | Electricity | 4 | Active |
| US8527264B2 | Method and system for encoding audio data with adaptive low frequency compensation | Physics | 4 | Active |
| US7840410B2 | Audio coding based on block grouping | Physics | 3 | Active |
| US9135907B2 | Method and apparatus for reducing the effect of environmental noise on listeners | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.