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ios - Is it possible to use AudioFileWritePackets to write ...
https://stackoverflow.com/questions/25544431/is-it-possible-to-use-audiofilewritepackets-to-write-to-a-file-without-replacing
static void writeInputFileToOutputFile(AudioStreamBasicDescription *format, ExtAudioFileRef *inputFile, AudioFileID *outputFile, UInt32 *startPacketPosition) { //determine the size of the output buffer UInt32 outputBufferSize = 32 * 1024; //32kb UInt32 sizePerPacket = format->mBytesPerPacket; UInt32 packetsPerBuffer = outputBufferSize / sizePerPacket; …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502135-audiofilewritepackets
A pointer to an array of packet descriptions for the audio data. Not all formats require packet descriptions. If no packet descriptions are required, for instance, if …
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.
iOS Audio Capabilities - CS50 CDN
http://cdn.cs76.net/2011/spring/seminars/ios-3/seminar-ios-3.pdf
Audio Units •Core audio’s objects that interact with the HAL (Hardware Abstraction Layer) •Only accept PCM data: –This means that you cannot passed compressed
How to properly write raw PCM data asynchronously on iOS
http://teragonaudio.com/article/How-to-properly-write-raw-PCM-data-asynchronously-on-iOS.html
How to properly write raw PCM data asynchronously on iOS My colleagues just fixed a huge show-stopper bug having to do with writing PCM data on the iPhone. We had an application which needed to write raw audio samples to disk from the microphone input, and it was causing audio playback to stutter approximately once every 30 seconds.
iOS version by device — iOS Ref
iOS version by device. These tables show the first and maximum version of iOS or iPadOS for each iPhone, iPad, and iPod touch. Only major versions (i.e. iOS 13) are shown, not point releases (i.e. iOS 13.5.1). iPhone. iPad.
IOS中使用SoundTouch库实现变声 - 代码先锋网
https://www.codeleading.com/article/95254075602/
IOS中使用SoundTouch库实现变声，代码先锋网，一个为软件开发程序员提供代码片段和技术文章聚合的网站。
How to get array of float audio data from AudioQueueRef in ...
https://www.py4u.net/discuss/1094546
And the code to write the audio to a file: OSStatus status = AudioFileWritePackets (recordState->audioFile, false , inBuffer->mAudioDataByteSize, inPacketDescs, recordState->currentPacket, &inNumberPacketDescriptions, inBuffer->mAudioData); // THIS!
cómo leer / asignar los elementos de un puntero que apunta ...
https://cpp.dokry.com/37637/como-leer-asignar-los-elementos-de-un-puntero-que-apunta-a-una-matriz-de-estructuras-en-c.html
En el audio central de iOS, está la API AudioFileWritePackets que tiene un parámetro inPacketDescriptions definido como ‘Un puntero a una matriz de descripciones de paquetes para los datos de audio’.. y se ve así en la firma del método: const AudioStreamPacketDescription *inPacketDescriptions,
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