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MelSpectrogram

any_tts::mel

Struct MelSpectrogram 

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

Mel spectrogram extractor.

Pre-computes DFT basis vectors, Hann window, and mel filterbank on construction so that repeated calls to compute are fast.

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impl MelSpectrogram

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pub fn new(config: MelConfig, device: &Device) -> TtsResult<Self>

Create a new mel spectrogram extractor.

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pub fn compute(&self, audio: &Tensor) -> TtsResult<Tensor>

Compute a log-mel spectrogram from raw PCM audio.

  • Input: 1-D [num_samples] f32 tensor at MelConfig::sample_rate.
  • Output: [1, n_mels, num_frames] normalised log-mel spectrogram.
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pub fn config(&self) -> &MelConfig

Get the config used by this extractor.

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