Re: Cocoa-dev Digest, Vol 9, Issue 724
Re: Cocoa-dev Digest, Vol 9, Issue 724
- Subject: Re: Cocoa-dev Digest, Vol 9, Issue 724
- From: WUQWE <email@hidden>
- Date: Wed, 17 Oct 2012 09:14:04 +0800
在 2012-10-17，上午3:00，email@hidden 写道：
> On Oct 16, 2012, at 8:45 AM, Jens Alfke <email@hidden> wrote:
>
>>
>> On Oct 15, 2012, at 11:41 PM, WUQWE <email@hidden> wrote:
>>
>>> I want to record video from iPad screen by AVCaptureSession & AVAssetWriter. now，i could capture video(include microphone sound)。but，
>>> The background music will stop when begin record video and the record will stop when play sound effect.
>>> My goal is capture the video include microphone sound , background music and sound sfx.
>>
>> You want to play music and record the music as it was picked up by the mic? That will sound terrible. Just record without the music and then mix the music track into the recording afterwards with full fidelity.
>
> Oh, I misread what OP wanted to do.
>
> Yes, if you have the source audio and video already captured, mix it together using an AVComposition.
Use captureSession get the video and use AVAudioRecord get the audio. mix it.
Thanks
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