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Extended Audio File Services - Apple Inc.
https://developer.apple.com/documentation/audiotoolbox/extended_audio_file_services
Extended Audio File Services provides simplified audio file access, combining features of Audio File Services and Audio Converter Services. It provides a unified interface for reading and writing compressed as well as linear PCM audio files. Topics Managing Extended Audio File Objects
Core Audio: a quick example using Extended Audio File …
https://vboehm.net/2017/01/core-audio-a-quick-example-using-extended-audio-file-services/
By the way, the necessary conversion work is done for us automatically behind the scenes by the Extended Audio File Services – quite convenient. Filling out AudioStreamBasicDescriptions for the source and the destination formats. Although MaxMSP uses double precision for audio processing, a buffer~ stores it’s samples still as 32bit floats.
Audio File Services - Apple Developer
https://developer.apple.com/documentation/audiotoolbox/audio_file_services
Extended Audio File Services. Read and write compressed files and linear PCM audio files using a simplified interface. Audio File Stream Services. Parse streamed audio files as the data arrives on the user’s computer. Audio File Components. Get information about audio file formats, and about files containing audio data. ...
Reading audio with Extended Audio File Services ...
https://stackoverflow.com/questions/2450248/reading-audio-with-extended-audio-file-services-extaudiofileread
I am working on understanding Core Audio, or rather: Extended Audio File Services Here, I want to use ExtAudioFileRead() to read some audio data from a file. This works fine as long as I use one single huge buffer to store my audio data (that is, one AudioBuffer ).
objective c - iPhone Extended Audio File Services, mp3 ...
https://stackoverflow.com/questions/4021373/iphone-extended-audio-file-services-mp3-pcm-mp3
iPhone Extended Audio File Services, mp3 -> PCM -> mp3. Ask Question Asked 11 years, 3 months ago. Active 11 years ago. Viewed 6k times 3 2. I would like to use the Core Audio extended audio file services framework to read a mp3 file, process it as a PCM, then write the modified file back as a mp3 file. I am able to convert the mp3 file to PCM ...
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