Pitch detection method and apparatus
US9153245B2 · kind B2 · utility
7Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2010 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Jun 2, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/09
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A pitch detection method and apparatus are disclosed. The method includes: performing pitch detection on an input signal in a signal domain, and obtaining a candidate pitch; performing linear prediction (LP) on the input signal, and obtaining an LP residual signal; setting a candidate pitch range that includes the candidate pitch; searching the candidate pitch range for the LP residual signal, and obtaining a selected pitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.