core-audio

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Using AVAssetWriter to create MPEG-2 or AAC ADTS on iPhone

Is it possible to use AVAssetWriter to write an MPEG2 ADTS or AAC ADTS on ios? First I make an AVAssetWriter[详细]

2023-03-23 23:36 分类：问答
Modify Auriotouch sample code to read data from an audio file

I want to modify the apple\'s sample code of auriotouch to generate the waveform from and audio file instead of rendering the waveform from the mic input. I tried to do it, but i am not able to unders[详细]

2023-03-23 06:41 分类：问答
Can I make iphone app speak?

I have already created an application which retrievs information t开发者_JAVA百科hrough web service.[详细]

2023-03-22 17:12 分类：问答
Calling proc_selfppid() from an IOAudio kext in Lion

I\'ve got a kext based on Apple\'s AudioReflectorDriver sample code (it intercepts audio output and makes a copy).[详细]

2023-03-22 06:17 分类：问答
iOS Audio Units : When is usage of AUGraph's necessary?

I\'m totally new to iOS programing (I\'m more an Android guy..) and have to build an application dealing with audio DSP. (I know it\'s not the easiest way to approach iOS dev ;) )[详细]

2023-03-21 16:35 分类：问答
Audio unit, set format fails with -10581

I can\'t figure out why the following returns OSStatus -10851: status = AudioUnitSetProperty(*audioUnit,[详细]

2023-03-21 06:30 分类：问答
iOS audio manipulation - play local .caf file backwards

I\'m wanting to load a local .caf audio file and reverse the audio (play it backwards).I\'ve gathered that I basically need to flip an array of buffer data from posts like this[详细]

2023-03-20 19:01 分类：问答
using openFrameworks + CoreAudio

my C++ skills are pretty light but I manage to get stuff done - until I run into a wall. The current wall:[详细]

2023-03-20 08:42 分类：问答
Core audio high CPU usage when no sound playing

I am just starting to learn Core Audio and made a simple test application the plays three different piano notes. It seems pretty good except for one small thing.[详细]

2023-03-19 04:23 分类：问答
Playing audio from a continuous stream of data (iOS)

Been banging my head against this problem all morning. I have setup a connection to a datasource which returns audio data (It is a recording device, so there is no set length on the data. the data ju[详细]

2023-03-17 18:57 分类：问答