Michael Keyhl
7Patents
3h-index
11Co-inventors
54Inventor score
Filing activity: Aug 21, 1996 → Dec 18, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7664231B2 | Method and device for quality evaluation of an audio signal and device and method for obtaining a quality evaluation result | Electricity | 14 | Active |
| US10687122B2 | Concept for determining the quality of a media data stream with varying quality-to-bitrate | Electricity | 14 | Active |
| US7680056B2 | Apparatus and method for extracting a test signal section from an audio signal | Electricity | 5 | Active |
| US5926553A | Method for measuring the conservation of stereophonic audio signals and method for identifying jointly coded stereophonic audio signals | Electricity | 3 | Expired |
| US6101475A | Method for the cascaded coding and decoding of audio data | Electricity | 2 | Expired |
| US8228385B2 | Apparatus for determining information in order to temporally align two information signals | Physics | 1 | Active |
| US9037435B2 | Device and method for determining a sample rate difference | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.