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8. Audio plays at the wrong speed or sounds distorted


If your audio plays at the wrong speed after importing, the most likely problem is an incompatible bit rate.

If your audio is distorted after importing, the most likely problem is an incompatible sample rate.

Preparing your audio file

Adobe Flash Player requires that audio files be 16 bit and have a sample rate of 44.1 khz (44100 hz).

Flash Player can handle MP3 files encoded at 32 kbps, 48 kbps, 56 kbps, 64 kbps, 128 kbps, 160 kbps or 256 kbps. For optimal audio streaming over a wide range of broadband connection speeds, we recommend a bitrate of 128 kbps.

Audacity issues

If you are preparing your audio files with Audacity, problems arise when the sample rate is set to either 32khz or 48khz when exporting. It should be 44.1khz to play in Flash Player in most Web browsers.

Audacity does not always save at the default rate, so it is a good idea to double-check.

Audacity allows you to set the sample rate in several places, but the main project rate (circled below) appears to be the most consistent.



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