VAST Audio Bit Rate Detector

Scan Your VAST Video to check the audio bit rate in kbps.

Check 38+ ad quality tests for ad performance — validate against IAB VAST ad guidelines

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Audio Bit Rate

The audio bit rate refers to the number of bits processed per unit of time in an audio file, usually measured in kilobits per second (kbps). It directly impacts the quality and size of the audio file. Common bit rates are 128, 256 or 320 kbps.

Why do we test it?

A higher bit rate typically results in better audio quality, but it also increases file size, which can slow down load times and affect ad performance. Ensuring the bit rate is optimized is crucial in balancing quality and loading efficiency. This test ensures the audio component of your ad maintains acceptable quality without negatively impacting performance or exceeding size limits.