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c - AudioFileCreateWithURL failed('wht?') - Stack Overflow
https://stackoverflow.com/questions/34211449/audiofilecreatewithurl-failedwht
AudioFileCreateWithURL failed,return -50 3 FSEvent failed to create stream in root context: Error: FSEventStreamCreate: _FSEventStreamCreate: ERROR: watch_path() failed for
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502333-audiofilecreatewithurl
func AudioFileCreateWithURL (_ inFileRef: CFURL, _ inFileType: Audio File Type ID, _ inFormat: Unsafe Pointer < Audio Stream Basic Description >, _ inFlags: Audio File Flags, _ outAudioFile: Unsafe Mutable Pointer < Audio File ID?>) -> OSStatus. Parameters inFileRef. The fully specified path of the file to create or initialize.
ptgmedia.pearsoncmg.com
https://ptgmedia.pearsoncmg.com/images/9780321714114/errata/9780321636843_9-13-12.htm
The AudioFileCreateWithURL() function takes a URL (notice that you again use toll-free bridging to cast from a Cocoa NSURL to a Core Foundation CFURLRef), a constant to describe the AIFF file format, a pointer to the AudioStreamBasicDescription describing the audio data, behavior flags (in this case, indicating your desire to overwrite an ...
iOS: Audio File 音频文件录制(支持VBR,CBR ... - 简书
https://www.jianshu.com/p/e7dcb24fa8e1
1. 创建音频文件. 这里使用当前格式化时间作为文件名,命名冲突. 下面主要代码为创建一个用于存放声音的音频文件,主要是在沙盒中创建一个目录 (名为Voice)存放音频文件.注意,我们一定要先将文件夹创建出来,否则在调用后面 AudioFileCreateWithURL 函数时将报错. 2 ...
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.
AAC文件转为PCM文件，转文字，报错-3005 - Baidu
https://ai.baidu.com/forum/topic/show/940541
一直报错，-3005. 质量低-(void)decodeAACFilePath:(NSString *)aacPath{ MyAudioConverterSettings audioConverterSettings = {0}; // open the input audio file
Playing & Recording Audio Audio Queue Services Recording ...
http://mm.sookmyung.ac.kr/~bigrain/class/2010/sound2/AudioQueue_Recording02.key.pdf
Playing & Recording Audio Audio Queue Services Recording - AQRecorder Class D`! g^ 10ux 2010-2 1 7#V it_ iPhone Application Index U £-1. AQRecorder
AudioQueueのバッファ間をクリック/タップ
https://stackfinder.jp.net/questions/11401279/clicking-tapping-between-buffers-for-audioqueue
コードからわかるように、コールバック内でオーディオデータを抽出してNSDataデータに配置し、それを別のクラスに送信してサーバーにアップロードします。
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