David S. McGrath
101Patents
18h-index
51Co-inventors
89Inventor score
Filing activity: May 21, 1991 → Mar 14, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6687663B1 | Audio processing method and apparatus | Physics | 62 | Expired |
| US6259795A | Methods and apparatus for processing spatialized audio | Electricity | 61 | Expired |
| US6021206A | Methods and apparatus for processing spatialised audio | Electricity | 60 | Expired |
| US7634093B2 | Head related transfer functions for panned stereo audio content | Electricity | 59 | Expired |
| US8515104B2 | Binaural filters for monophonic compatibility and loudspeaker compatibility | Electricity | 50 | Active |
| US7536021B2 | Utilization of filtering effects in stereo headphone devices to enhance spatialization of source around a listener | Electricity | 46 | Active |
| US5502747A | Method and apparatus for filtering an electronic environment with improved accuracy and efficiency and short flow-through delay | Electricity | 44 | Expired |
| US6628787B1 | Wavelet conversion of 3-D audio signals | Electricity | 40 | Expired |
| US6741706B1 | Audio signal processing method and apparatus | Electricity | 38 | Expired |
| US6532291B1 | Head tracking with limited angle output | Electricity | 35 | Expired |
| US7533346B2 | Interactive spatalized audiovisual system | Electricity | 32 | Expired |
| US9084049B2 | Automatic equalization using adaptive frequency-domain filtering and dynamic fast convolution | Electricity | 26 | Active |
| US5115614A | Masonry unit with integral flashing | Fixed Constructions | 25 | Expired |
| US7116789B2 | Sonic landscape system | Electricity | 23 | Expired |
| US8103006B2 | Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms | Electricity | 23 | Active |
| US7756274B2 | Sonic landscape system | Electricity | 19 | Active |
| US7634092B2 | Head related transfer functions for panned stereo audio content | Electricity | 18 | Active |
| US6373416B1 | Lookahead sigma-delta modulator | Electricity | 18 | Expired |
| US7539319B2 | Utilization of filtering effects in stereo headphone devices to enhance spatialization of source around a listener | Electricity | 15 | Active |
| US6718042B1 | Dithered binaural system | Electricity | 15 | Expired |
| US6707918B1 | Formulation of complex room impulse responses from 3-D audio information | Electricity | 14 | Expired |
| US7321913B2 | Digital multirate filtering | Electricity | 13 | Expired |
| US8885836B2 | Decorrelator for upmixing systems | Electricity | 13 | Active |
| US9269360B2 | Using multichannel decorrelation for improved multichannel upmixing | Physics | 11 | Active |
| US6370256B1 | Time processed head related transfer functions in a headphone spatialization system | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.