Aliasing cancellation in audio effects algorithms
US7359521B1 · kind B1 · utility
1Cited by
8References
10Claims
0Family size
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Key dates
| Filing date | Nov 24, 1999 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Nov 24, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2250/621
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for effecting aliasing cancellation in an audio effects algorithm using a delay modulated signal, derived from interpolation of a delay modulator at an instantaneous sampling frequency, including: determining the instantaneous sampling frequency 1/Tisf and band limiting an input signal, to which the audio effects algorithm is to be applied to ½ Tisf prior to interpolation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.