Echo modulation methods and systems
US8582781B2 · kind B2 · utility
2Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2010 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Sep 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M9/082
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Methods and systems for echo modulation are described. In one embodiment, intensities of a plurality of values in multiple windows of an audio signal may be obtained. The windows may be subject to a periodic boundary condition. A plurality of echo values may be calculated for each of the respective windows. The audio signal may be altered in one or more of the windows using a windowing function and echo values. Additional methods and systems are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.