audiounit

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Is it possible to create plugins for Logic that generate MIDI?

This is probably a question better suited for the proposed Audio Programming Q&A site, but it\'s still a proposal, so good ol\' SO will have to do for now.[详细]

2023-03-15 13:29 分类：问答
What is the difference between AudioFileOpenURL and ExtAudioFileOpenURL?

If I use ExtAudioFile in conjunction with a remoteIO audio unit, I can use ExtAudioFileSetProperty with kExtAudioFileProperty_ClientDataFormat to convert the audio format read from disk into a device[详细]

2023-03-14 10:18 分类：问答
Using iOS 3d Mixer

I have a AUGraph setup fairly simply with a multichannel mixer connected to an I/O unit.The playback is accessed through a callback function and everything works nicely.[详细]

2023-03-14 09:09 分类：问答
iphone play and record low volume problem

I\'m making kind of voip app, so I have to be able to play and record sound at the same time. But.. when I play an开发者_StackOverflowd record at same time, iphone\'s volume was very low.[详细]

2023-03-14 05:05 分类：问答
How would you connect an iPod library asset to an Audio Queue Service and process with an Audio Unit?

I need to process audio that comes from the iPod library. The only way to read an asset for the iPod library is AVAssetReader. To process audio with an Audio Unit it needs to be in stereo format so I[详细]

2023-03-11 20:03 分类：问答
RemoteIO callback after AUMixer

开发者_高级运维What is the correct way to implement a callback on the RemoteIO after the aumixer has done it\'s thang.[详细]

2023-03-09 04:33 分类：问答
How can you add a fixed gain to an AudioGraph?

Is there an AudioUnit that can apply a fixed gain within an AudioGraph?Are there other alternative me开发者_如何学编程thods?Unfortunately iOS only ships with 3 built-in AudioUnits that you can use, th[详细]

2023-03-06 07:45 分类：问答
playing pcm data on iphone

i need to play linear pcm data live on a iphone. i get a LIVE datastream via RTSP, and i can currently read it out from iphone, save it into a file, play it on a desktop audioplayer that supports pcm[详细]

2023-03-02 23:56 分类：问答
iPhone AudioUnitRender error -50 in device

I am working on one project in which i have used AudioUnitRender it runs fine in simulator but gives -50 error in the device.[详细]

2023-03-02 23:12 分类：问答
How to save and restore an audiounit's state as an audiounit host

I am writing an app that hosts apple system supplied audiounits. I would like to save the parameter states of an audiounit after a user has dialed them in and restor开发者_Python百科e them when the us[详细]

2023-03-02 20:32 分类：问答