audiounit

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core audio callback, inTimeStamp at the beginning or end of recording

In core audio, when the recordingCallback is called: static OSStatus recordingCallback(void *inRefCon,[详细]

2023-03-01 17:44 分类：问答
How can we remove Noise from audio that comes out of Remote IO?

I amusing Remote IO to capture voice real time an开发者_开发百科d playback through headphone. When I test it the device(iPhone or iPad), I always hear a continuous noise in the background .[详细]

2023-03-01 06:23 分类：问答
What does an Audio Unit Host need to do to make use of non-Apple Audio Units?

I am writing an Objective-C++ framework which needs to host Audio Units. Everything works perfectly fine if I attempt to make use of Apple\'s default units like the DLS Synth and various effects. Howe[详细]

2023-02-25 15:17 分类：问答
Polyphony with AudioRenderCallback and AudioUnitRenderFlag

I am getting my bearings in core audio / audio units, so please forgive me if this should be self evident.[详细]

2023-02-23 04:12 分类：问答
What values to use for packet and frame size with AudioUnit

I am familiarizing myself with how to use AudioUnit to play sounds and am confused by the notions of packets and frames.I would like to know:[详细]

2023-02-22 03:30 分类：问答
iOS - AudioUnitRender returned error -10876 on device, but running fine in simulator

I encountered a problem which made me unable to capture input signal from microphone on the device (iPhone4). However, the code runs fine in the simulator.[详细]

2023-02-20 21:03 分类：问答
Loading & Selecting audio files into Audio Units

I\'m trying to 开发者_StackOverflow社区build a Render Callback function that will load a variety of short sound files, and (according to my custom logic) put them in my mixer Unit\'s iOData audioBuffe[详细]

2023-02-13 05:31 分类：问答
Real-Time Audio Loop Switching for iPhone

I\'m trying to find the best way to play a seamless loop of audio, that the user can switch out for another at the shorte开发者_C百科st possible notice, with a decent number (30-150) of very short loo[详细]

2023-02-10 11:50 分类：问答
Memory Leak when using Pointer to AudioUnitSampleType in Struct - calloc

I am coding an audio app for the iphone where I need to use some C code to deal with the audio files. In short, I have a memory leak that is causing the app to crash after so many files have been load[详细]

2023-02-09 12:23 分类：问答
app crashes after becoming active, when calling [UIImageView setImage:]

I have an app with callbacks for recording and playing audio. From the recording callback, I call a function to update the GUI:[详细]

2023-02-09 03:19 分类：问答