Digital audio tone evaluating system
US6718217B1 · kind B1 · utility
3Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1998 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Nov 30, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L25/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a digital audio tone evaluating system comprising an analyzer for subjecting a digital signal related to voice and/or music to signal processing, thereby operating a factor which expresses the auditory tone quality of the voice and/or the music by the digital signal in a digitized form. The system can objectively evaluate auditory tone quality by digital audio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.