Method build

src/framework/audio/dsp.cpp:566–574

}

AudioTensor MelFilterbank::build(const MelFilterbankConfig & config) const {
    if (config.sample_rate <= 0 || config.n_fft <= 0 || config.n_mels <= 0) {
        throw std::runtime_error("MelFilterbank config values must be positive");
    }
    AudioTensor result;
    result.shape = {config.n_mels, (config.n_fft / 2) + 1};
    result.values = get_cached_mel_filterbank(config);
    return result;
}

SparseMelFilterbank MelFilterbank::build_sparse(const MelFilterbankConfig & config) const {
    return prepare_sparse(build(config));