Oliver Hellmuth
72Patents
11h-index
54Co-inventors
81Inventor score
Filing activity: Feb 26, 2002 → Jul 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8315396B2 | Apparatus and method for generating audio output signals using object based metadata | Electricity | 124 | Active |
| US7460994B2 | Method and apparatus for producing a fingerprint, and method and apparatus for identifying an audio signal | Physics | 98 | Expired |
| US7580832B2 | Apparatus and method for robust classification of audio signals, and method for establishing and operating an audio-signal database, as well as computer program | Physics | 52 | Active |
| US8325929B2 | Binaural rendering of a multi-channel audio signal | Electricity | 38 | Active |
| US8824688B2 | Apparatus and method for generating audio output signals using object based metadata | Electricity | 31 | Active |
| US8332059B2 | Apparatus and method for synchronizing additional data and base data | Physics | 20 | Active |
| US8958566B2 | Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages | Electricity | 19 | Active |
| US8407060B2 | Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor | Electricity | 18 | Active |
| US8155971B2 | Audio decoding of multi-audio-object signal using upmixing | Electricity | 13 | Active |
| US8065260B2 | Device and method for analyzing an information signal | Physics | 13 | Active |
| US8280744B2 | Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor | Electricity | 12 | Active |
| US8538766B2 | Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor | Electricity | 11 | Active |
| US8139775B2 | Concept for combining multiple parametrically coded audio sources | Physics | 10 | Active |
| US7081581B2 | Method and device for characterizing a signal and method and device for producing an indexed signal | Physics | 9 | Expired |
| US7478045B2 | Method and device for characterizing a signal and method and device for producing an indexed signal | Physics | 9 | Expired |
| US9517732B2 | Headrest speaker arrangement | Electricity | 8 | Active |
| US8346565B2 | Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program | Electricity | 7 | Active |
| US10096325B2 | Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases by comparing a downmix channel matrix eigenvalues to a threshold | Electricity | 7 | Active |
| US9064498B2 | Apparatus and method for processing an audio signal for speech enhancement using a feature extraction | Physics | 7 | Active |
| US8781133B2 | Apparatus for generating a multi-channel audio signal | Electricity | 6 | Active |
| US9743215B2 | Apparatus and method for center signal scaling and stereophonic enhancement based on a signal-to-downmix ratio | Electricity | 6 | Active |
| US8577482B2 | Device and method for generating an ambience signal | Electricity | 5 | Active |
| US9734833B2 | Encoder, decoder and methods for backward compatible dynamic adaption of time/frequency resolution spatial-audio-object-coding | Physics | 5 | Active |
| US9947325B2 | Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systems | Electricity | 5 | Active |
| US9060236B2 | Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer program and bitstream using a distortion control signaling | Electricity | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.