Modulation of speech signals
US9240193B2 · kind B2 · utility
6Cited by
1References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2013 |
| Grant date | Jan 19, 2016 |
| Priority date | — |
| Expiry date | Nov 8, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/43
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods, systems, and devices for processing an audio signal are provided. An example method includes mapping a fundamental frequency of an audio signal to a modulation frequency. An output of the mapping is less than the fundamental frequency when the fundamental frequency is greater than an intersection frequency. The intersection frequency is a frequency at which the output of the mapping is the fundamental frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.