core-audio

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Can MPMoviePlayerController have volume programmatically adjusted?

I have this MPMovePlayerController and a custom slider (which is not quite a slider, but it has the same purpose). Considering that my \"slider\" can return any float value I need, how can I change th[详细]

2023-02-23 13:31 分类：问答
Flexible Array Members on iOS in Objective-C++

I am working on some core audio code and have a problem that could be solved by a variable array in a struct--a la Flexible Array Members. In doing a bit of looking around, I see that there is a lot o[详细]

2023-02-23 06:25 分类：问答
How do you add to an AudioBufferList with an AVAssetReader?

I have been working on reading in an audio asset using AVAssetReader so that I can later play back the audio with an AUGraph with an AudioUnit callback. I have the AUGraph and AudioUnit callback worki[详细]

2023-02-23 04:55 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
The iPhone simulator audio only works for 44100Hz, 22050Hz, and 11025Hz

Is anyon开发者_StackOverflowe out there using the simulator to handle 8kHz audio at the AudioUnit level?[详细]

2023-02-22 04:41 分类：问答
Running thread prevents full playback of audio on iPhone

I\'ve created an app using the SpeakHere example. The program takes the vocal input, run some effects on it and then writes it to a file for playback.[详细]

2023-02-21 15:02 分类：问答
Multiple Volume control for Individual songs

I am creating an application that uses two songs: one from a local file and one from the user\'s iPod library. I would like to create a software mixing tool, meaning that the volume of each audio can[详细]

2023-02-20 19:54 分类：问答
Could muting the system volume cause coreadiuod to use lots of CPU?

I mute and later unmute the OS X system volume with the following code: void SetMute(AudioDeviceID device, BOOL mute)[详细]

2023-02-20 14:42 分类：问答
Airplay sample Audio

In my app,i need t开发者_Go百科o generate video with audio. Now i am using Air Play Sample But its contains only generate video only and i need to generate video with audio.Any one help me to solve wi[详细]

2023-02-20 11:55 分类：问答
Apple CoreAudio - Why does AUGraphStop() take 25ms to complete?

Our audio app is using AUGraphs containing a mixer unit, a converter unit and an output unit. It\'s a realtime app, so performance is a high concern.[详细]

2023-02-20 03:28 分类：问答