Legacy Documentation: Version 2018.1 (Go to current version)
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The sample rate setting used within the AudioImporter. This defines the sample rate conversion of audio on import.


PreserveSampleRateDo not change the sample rate of the imported audio file. The sample rate will be preserved for the imported AudioClip.
OptimizeSampleRateLet Unity deduce the optimal sample rate for the AudioClip being imported. The audio file will be analysed and a minimal sample rate chosen while still preserving audio quality.
OverrideSampleRateOverride the sample rate of the imported audio file with a custom value.

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