When to set kA开发者_开发问答udioUnitProperty_StreamFormat (and kAudioUnitProperty_SampleRate too)? For each AU in my AUGraph ? Or is it enough to set it jus for the AU Mixer ?
does anyone know how to make a simple EQ audio unit (3 bands - low, mid, hi)开发者_StackOverflow中文版 with iOS ? I know how to add an iPod EQ Audio Unit to my AU Graph. But it only give you access to
I would like to use the Core Audio extended audio file services framework to read a mp3 file, process it as a PCM, then write the modified file back as a mp3 file.I am able to convert the mp3 file to
My game has 3 background songs. I would like the game to set the background music to off when there is ipod music playing, else it will play the last played piece of music. When the muser changes the
I record audio in .caf format and later need to convert it to .wav in order to send the file as a email attachment.How can I convert the file to wav format in iOS 3.1.x?
I\'m playing an audio clip using a UIButton that calls a method (see code below). I\'m trying to figure out how to write a statement to detect if the audio is running, and if the audio file is playing
How do I check 开发者_如何学JAVAif the iPod supports audio recording using Cocoa API?If you know what devices support audio recording (iPhone always does for example) you can use methods from this que
How can an Audio Unit component detect start and stop of an Audio Unit host? Within the component\'s Kernel Process(), I tried with the CallHostTransportState(...) method, which returns whether the h
I am writing an application that records audio. I am looking into the feasibility of supporting multitasking while doing audio recordings (in the background).
I would like to access my AudioUnit Component Kernel members from an action method defined in the cocoa view of my AudioUnit Component :
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