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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502718-audiofilegetproperty
Discussion. Some Core Audio property values are C types and others are Core Foundation objects. If you call this function to retrieve a value that is a Core Foundation object, then this function—despite the use of “Get” in its name—duplicates the object.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1501691-audiofilegetpropertyinfo
Gets information about an audio file property, including the size of the property value and whether the value is writable.
cocoa touch - iPhone: get duration of an audio file ...
https://stackoverflow.com/questions/1246637/iphone-get-duration-of-an-audio-file
What is the easiest way to get a duration of an audio file? I could create an object of AVAudioPlayer, initialize it with URL and than get the duration, but this way is …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/audio_file_services
This document describes Audio File Services, a C programming interface that enables you to read or write a wide variety of audio data to or from disk or a memory buffer. With Audio File Services you can: Create, initialize, open, and close audio files. Read and write audio files. Optimize audio files. Work with user data and global information.
AUFilePlayerDemo/PlayFile.cpp at master · aranm ... - …
https://github.com/aranm/AUFilePlayerDemo/blob/master/iOSfilePlayer/PlayFile.cpp
Print (); // now we load the file contents up for playback before we start playing. Float64 fileDuration = PrepareFileAU (fileAU, fileFormat, audioFile); printf ( …
audiosegment module — AudioSegment documentation
https://audiosegment.readthedocs.io/en/latest/audiosegment.html
So for example, if seconds=10, this will return a list of AudioSegments, in order, where each one is at most 10 seconds long. If zero_pad is True, the last item AudioSegment object will be zero padded to result in seconds seconds. fft(start_s=None, duration_s=None, start_sample=None, num_samples=None, zero_pad=False) ¶
Technical Q&A QA1636: Audio Queue - Looping Compressed Audio
https://developer.apple.com/library/archive/qa/qa1636/_index.html
Retrieve this value from the audio file by calling AudioFileGetProperty asking for the kAudioFileStreamProperty_AudioDataPacketCount property as shown in Listing 2. The Audio Data Packet Count is a UInt64 value indicating the number of packets of audio data in the file.
Reading Basic Info From a Local Audio File | by ... - Medium
https://medium.com/programming-for-music/reading-basic-info-from-a-local-audio-file-32206afe1386
This is a series of posts about Apple Audio APIs. Read them and practice in order. Series Episodes: [this post] S01, 01. Reading Basic Info from a Local Audio File
Can't play AAC files using AudioQueue | MacRumors Forums
https://forums.macrumors.com/threads/cant-play-aac-files-using-audioqueue.1710436/
AAC works just fine with AQ here. Here's a working player (a direct iOS port of the one in Ch. 5 of teh Core Audio book) I've tested with an AAC file on my 7.0.4 iPhone 5:
SVNPlayer.swift// WYNDR//// Created by ... - Pastebin.com
https://pastebin.com/WShaCAbR
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