A Pitch Estimation Algorithm Based on the Smooth Harmonic Average Peak-to-Valley Envelope
- 1 May 2007
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 02714302,p. 3940-3943
- https://doi.org/10.1109/iscas.2007.378662
Abstract
We propose SHAPE, a novel pitch estimation algorithm (PEA) that builds upon previous PEAs, addressing and solving some of their limitations. The SHAPE algorithm estimates the pitch using a smooth function to compute the average peak to valley distance at harmonic locations. This is done by performing an integral transform over the square-root magnitude of the spectrum using a truncated decaying cosine as a kernel. SHAPE was designed to both match human perception particularly for inharmonic sounds and to be competitive with numerous other PEAs as demonstrated on a common database.Keywords
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