Audio Test Tone

- Jun 08, 2018-

Audio test tones are a special class of artificially-created sounds. An example is the sine-wave tone you sometimes hear at the end of a video, or when a television station goes off the air.

There are two things test tones are usually used for:

1. Testing the quality of an audio signal.

2. Testing the quality of audio hardware systems and identifying faults.

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