ZeroCrossingRateDesc

mecomp_analysis::timbral

Struct ZeroCrossingRateDesc 

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pub struct ZeroCrossingRateDesc { /* private fields */ }
Expand description

Zero-crossing rate detection object.

Zero-crossing rate is mostly used to detect percussive sounds in an audio signal, as well as whether an audio signal contains speech or not.

It is a good metric to differentiate between songs with people speaking clearly, (e.g. slam) and instrumental songs.

The value range is between 0 and 1.

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impl ZeroCrossingRateDesc

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pub fn new(_sample_rate: u32) -> Self

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pub fn do_(&mut self, chunk: &[f32])

Count the number of zero-crossings for the current chunk.

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pub fn get_value(&mut self) -> Feature

Sum the number of zero-crossings witnessed and divide by the total number of samples.

Trait Implementations§

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impl Clone for ZeroCrossingRateDesc

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fn clone(&self) -> ZeroCrossingRateDesc

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for ZeroCrossingRateDesc

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fn default() -> ZeroCrossingRateDesc

Returns the “default value” for a type. Read more

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