cb82400b9fb1d3997ed02f616209485d5ef0005f,tests/test_core.py,,test_piptrack,#,486

Before Change

    for n_fft in [2048, 4096]:
        for hop_length in [None, n_fft // 4, n_fft // 2]:
            S = np.abs(librosa.stft(y, n_fft=n_fft, hop_length=hop_length))
            for fmin in [0, 100]:
                for fmax in [4000, 8000, sr // 2]:
                    for threshold in [0.1, 0.2, 0.5]:
                        yield __test, S, n_fft, hop_length, fmin, fmax, threshold


def test_piptrack_negative():

    def __test(y, sr, S, n_fft, hop_length, fmin, fmax, threshold):
        pitches, mags = librosa.piptrack(

After Change

        assert np.all(np.abs(np.log2(recovered_pitches) - np.log2(freq)) <= 1e-2)


    sr = 22050
    duration = 3.0

    for freq in [110, 220, 440, 880]:
        // Generate a sine tone
        y = np.sin(2 * np.pi * freq * np.linspace(0, duration, num=duration*sr))
        for n_fft in [1024, 2048, 4096]:
            // Using left-aligned frames eliminates reflection artifacts at the boundaries
            S = np.abs(librosa.stft(y, n_fft=n_fft, center=False))

Instances