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# Add a Track to an Audio Fingerprint Database

The following schema describes how to add an audio track to an AFP database.

    [AfpAddTrackWav]
    0 = a ← wav(MONO, input)
    1 = fp ← afpfeature(_ a)
    2 = output ← afpedit(FINGERPRINT_ADD,fp)

`0` | The `wav` module processes the mono audio.
`1` | The `afpfeature` module converts the audio data into AFP features.
`2` | The `afpedit` module adds the features to an AFP database.

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