Method, system and apparatus for improving the sonic quality of an audio signal
US9002031B2 · kind B2 · utility
0Cited by
3References
27Claims
0Family size
Inventor
Key dates
| Filing date | Mar 24, 2012 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Apr 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G7/002
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A device, system and method of playing back a digital audio stream wherein large amounts of pre-emphasis of the high frequencies is applied before the digital to analog conversion and before an interpolation or digital filter, followed by de-emphasis in the analog domain in order to yield better audio fidelity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.