Struct Spectrogram

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pub struct Spectrogram {
    pub magnitudes: Vec<f32>,
    pub phases: Vec<f32>,
    pub num_frames: usize,
    pub num_bins: usize,
    pub hop_length: usize,
    pub sample_rate: f32,
}

Expand description

Spectrogram data structure

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§magnitudes: Vec<f32>

Magnitude values (flattened: num_frames * num_bins)

§phases: Vec<f32>

Phase values (flattened: num_frames * num_bins)

§num_frames: usize

Number of time frames

§num_bins: usize

Number of frequency bins

§hop_length: usize

Hop length in samples

§sample_rate: f32

Sample rate

Implementations§

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impl Spectrogram

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pub fn magnitude(&self, frame: usize, bin: usize) -> f32

Get magnitude at a specific frame and bin

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pub fn phase(&self, frame: usize, bin: usize) -> f32

Get phase at a specific frame and bin

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pub fn power(&self, frame: usize, bin: usize) -> f32

Get power spectrum (magnitude squared)

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pub fn bin_to_hz(&self, bin: usize, n_fft: usize) -> f32

Convert bin index to frequency in Hz

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pub fn frame_to_time(&self, frame: usize) -> f32

Convert frame index to time in seconds

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pub fn to_db(&self, ref_value: f32, min_db: f32) -> Vec<f32>

Convert to dB scale

Trait Implementations§

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impl Clone for Spectrogram

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fn clone(&self) -> Spectrogram

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 Debug for Spectrogram

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for Spectrogram

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<S> FromSample<S> for S

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fn from_sample_(s: S) -> S

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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