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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1503274-audiofilereadpackets
objective c - Converting 16Bit PCM Values into -1 to 1 ...
https://stackoverflow.com/questions/5222056/converting-16bit-pcm-values-into-1-to-1-values
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/audio_file_services
AudioQueue in-memory playback example
https://www.py4u.net/discuss/1604915
The Audio Queue Services Programming Guide should give you the details you need but obviously is a bit lax on the specific example you are looking for. You just need to push the in-memory audio data through the output queue instead of the PCM data from the file via AudioFileReadPackets. I found a reasonable example of sound synthesis in the AudioQueue player callback in another …
Best Audio File Formats: What They Are And ... - …
https://www.headphonesty.com/2020/04/best-audio-file-formats-explained/
Audio File Size Calculator - Colin Crawley
https://www.colincrawley.com/audio-file-size-calculator/
Calculates the size of audio files (both uncompressed, PCM/IEEE FP audio, such as “.WAV”, “.W64” “.AIFF/.AIF” and also compressed files such as MP3, WMA, AAC and OGG Vorbis), according to the recording duration and file settings you choose.
Top 10 Audio File Formats - Sage Audio
https://www.sageaudio.com/blog/recording/top-10-audio-file-formats.php
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