Dolby Laboratories Licensing Corporation
2,583Patents
2,456Active
2,583Granted
65Portfolio score
Filing activity: Jul 13, 1979 → Feb 10, 2025 · 228 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6728317B1 | Moving image compression quality enhancement using displacement filters with negative lobes | Electricity | 491 | Expired |
| US5394473A | Adaptive-block-length, adaptive-transforn, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio | Physics | 408 | Expired |
| US6021386A | Coding method and apparatus for multiple channels of audio information representing three-dimensional sound fields | Electricity | 396 | Expired |
| US5583962A | Encoder/decoder for multidimensional sound fields | Electricity | 275 | Expired |
| USD566722S1 | Display panel with icon | General | 238 | Expired |
| US5890125A | Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method | Electricity | 231 | Expired |
| US5579404A | Digital audio limiter | Electricity | 226 | Expired |
| US5632005A | Encoder/decoder for multidimensional sound fields | Electricity | 221 | Expired |
| US8242426B2 | Electronic camera having multiple sensors for capturing high dynamic range images and related methods | Electricity | 203 | Active |
| US6957350B1 | Encrypted and watermarked temporal and resolution layering in advanced television | Electricity | 190 | Expired |
| US6816552B2 | Interpolation of video compression frames | Electricity | 187 | Expired |
| US5109417A | Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio | Physics | 175 | Expired |
| US5633981A | Method and apparatus for adjusting dynamic range and gain in an encoder/decoder for multidimensional sound fields | Electricity | 173 | Expired |
| US6226608A | Data framing for adaptive-block-length coding system | Physics | 168 | Expired |
| US5727119A | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase | Electricity | 165 | Expired |
| US5581653A | Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder | Electricity | 161 | Expired |
| US5222189A | Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio | Electricity | 157 | Expired |
| US5862228A | Audio matrix encoding | Electricity | 148 | Expired |
| US7454331B2 | Controlling loudness of speech in signals that contain speech and other types of audio material | Electricity | 144 | Expired |
| US7447631B2 | Audio coding system using spectral hole filling | Physics | 143 | Expired |
| US9462399B2 | Audio playback system monitoring | Electricity | 135 | Active |
| US5274740A | Decoder for variable number of channel presentation of multidimensional sound fields | Electricity | 122 | Expired |
| US7461002B2 | Method for time aligning audio signals using characterizations based on auditory events | Physics | 119 | Expired |
| US5909664A | Method and apparatus for encoding and decoding audio information representing three-dimensional sound fields | Electricity | 118 | Expired |
| US5400433A | Decoder for variable-number of channel presentation of multidimensional sound fields | Electricity | 116 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.