core-audio

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How to compile CoreAudio PlayFile sample code for 64 bit?

This is a newbie CoreAudio question.I downloaded Apple\'s PlayFile sample code.If I use the provided Xcode project, it builds it as 32 bit, passing -arch i386 to the compiler.If I build from the comma[详细]

2023-04-06 21:41 分类：问答
While using next and previous functionality in AudioStreamer, two or more songs starts together

Here is the code for next and previous button - (IBAction)nextPressed:(id)sender { Previousbutton.enabled=YES;[详细]

2023-04-06 00:58 分类：问答
Mic and Speaker Feedback

I have an iPad application (a tuner) that uses Core Audio Audio Units. It reads the signal from the mic and processes it. It does NOT echo the sound to the speaker.[详细]

2023-04-06 00:36 分类：问答
How can i set volume with amplification in app with AVPlayer class?

I am using AVPlayer for playing song from iPod Library. There are very limited methods in AVPlayer compare to AVAudioPlayer.[详细]

2023-04-05 03:39 分类：问答
Real-time Pitch Shifting on the iPhone

I have a ch开发者_如何学运维ildren\'s iPhone application that I am writing and I need to be able to shift the pitch of a sound sample using Core Audio. Does anyone have any example code I could look a[详细]

2023-04-04 15:33 分类：问答
Is it possible to load a compressed audio file directly into a buffer, without conversion?

I am developing an iOS app that must handle several stereo audio files (ranging from a few seconds to four minutes in duration) at once, playing up to three back simultaneously, synched through a Mult[详细]

2023-04-02 08:12 分类：问答
AudioSession Settings for RemoteIO to play nice with iPod

As I previously found here. If you start running an AVAssetReader while using a Remote I/O callback to play audio, starting the AVAssetReader will block the Remote I/O callback unless you allow iPod[详细]

2023-04-01 09:41 分类：问答
Is there a difference betwenn *.aif and *.caf files?

Can I safely rename an aif 开发者_JAVA百科file to caf and use that with Core Audio, or is this a bad idea to do? I assume both are basically the same thing (ignoring things such as number of channels,[详细]

2023-03-31 19:51 分类：问答
How to host audio units in osx

I\'ve been looking through the audio unit documentation for OSX, and I haven\'t found any good resources about how to host开发者_运维问答 an audio unit in OSx. There are lots of resources for how to b[详细]

2023-03-31 09:12 分类：问答
iPod Library returning an Asset with no tracks

I am using the MediaItem api to gather assets from the iPod library.There is a strange bug I am running into after the application has been running for a while.I will run the following code and the AV[详细]

2023-03-30 18:29 分类：问答