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Which of the built-in audio devices can play audio?

I have an application that will need to quickly change the sample rate of the sound.

The pitch shift caused by simple linear interpolation of the samples is completely fine.

Is there an audio computer that reviews software in real time (i.e. does not require a change in the sampling rate of the equipment).

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Yes, Apple's AU kAudioUnitType_FormatConverter, kAudioUnitSubType_AUConvertercan do it. Internally, the speaker contains a FormatConverter, which does the work.

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Source: https://habr.com/ru/post/1607635/

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