在 2012-10-17，上午3:00，cocoa-dev-requ...@lists.apple.com 写道：
> On Oct 16, 2012, at 8:45 AM, Jens Alfke wrote:
>
>>
>> On Oct 15, 2012, at 11:41 PM, WUQWE wrote:
>>
>>> I want to record video from iPad screen by AVCaptureSession &
>>> AVA
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 ,
