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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1503274-audiofilereadpackets
The audio file whose audio packets you want to read. inUseCache Set to true to cache the data. Otherwise, set to false. outNumBytes On output, the number of bytes actually read. outPacketDescriptions On output, an array of packet descriptions for the packets that were read.
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.
AudioQueue: Can't read raw data in AudioFileReadPackets
https://stackoverflow.com/questions/4255557/audioqueue-cant-read-raw-data-in-audiofilereadpackets
I'm working on a DSP related iOS app. Part of the work is to copy audio data from outBuffer ->mAudioData to an user-specified array for data processing. The read method is like this: OSStatus resu...
[튜토리얼] CoreAudio를 이용한 음원 재생 | DUNDIN STUDIO
https://dundinstudio.com/ios-core-audio-tutorial/
//함수정의 AudioFileReadPackets( AudioFileID inAudioFile, // 데이터를 읽어들일 AudioFile Boolean inUseCache, // cache를 할지말지 UInt32 *outNumBytes, // 실제로 읽은 데이터의 길이 (output) AudioStreamPacketDescription *aspd, // ASPD array의 포인터, CBR인 경우 NULL SInt64 inStartingPacket, // 읽을 패킷의 ...
Core Audio Essentials - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
You instantiate an audio file object—and create an actual audio file tied to that object—by calling the AudioFileCreateWithURL function. The function gives you a reference to the new audio file object. From that point on, you work with the real audio file by communicating with the proxy object.
Using container view as a Dashboard
https://www.py4u.net/discuss/1356650
Using container view as a Dashboard. i have used container view on the right side and i used another view controller as a child view controller to this container view. i want to change the data appearing in that container view. FYI i m loading the EKEventViewController in that container view. So obviously the tableview contains the events from ...
Audio Queue Services 解读之 Playing Audio(上) - 简书
https://www.jianshu.com/p/d2ef4d15356c
Audio Queue Services 解读之 Playing Audio(上) 前言： 一直想研究一下Audio Queue Services，趁着过年这段时间有空就去研究一下，首选肯定是官方文档,下面是我读文档的时候翻译过来，自己一句一句翻译可以加深自己的理解记忆，同时又能方便大家，何乐而不为！; 由于文档内容较多，本文会分两篇介绍，避免 ...
SpriteKit view throwing NSInvalidArgumentException
https://www.py4u.net/discuss/1356646
self.view is a UIView object. Simply casting the pointer does not make it a different type of object. SKView *spriteView = (SKView *) self.view; . spriteView is now pointing to the object, that self.view is pointing to, telling the compiler, that it actually points to an object of type SKView.That's why you don't get any compiler errors or warnings.
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 …
Read audio file - MATLAB audioread - MathWorks
https://www.mathworks.com/help/matlab/ref/audioread.html
Read Complete Audio File. Open Script. Create a WAVE file from the example file handel.mat, and read the file back into MATLAB®. Create a WAVE ( .wav) file in the current folder. load handel.mat filename = 'handel.wav' ; audiowrite (filename,y,Fs); clear y Fs. Read the data back into MATLAB using audioread.
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