Method for extracting the formant of a musical tone, recording medium and apparatus for extracting the formant of a musical tone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 9, 2003
Grant Date -
Sep 12, 2002
app pub date -
Jan 3, 2002
filing date -
Jan 9, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There are provided a power line spectrum extractor for extracting power line spectra of a waveform to be processed; a level interpolation controller for performing level interpolation control on the power line spectra at every unit of a certain frequency, which is not higher than half a sampling frequency; and a cepstrum analyzer for performing Fast Fourier Transformation on the power spectra subjected to the level interpolation control and performing Inverse Fast Fourier Transformation on values found by performing level setting with a specified coefficient.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully