Convert Audio sampleBuffer to NSData in wav format (without saving to file)

Question

I am using

- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection

To capture audio.

Is it possible to convert sampleBuffer to NSData in wav format (without saving to file)

score 0 · Answer 1 · answered May 28 '19 at 17:42

0

Try to use this solution to convert your CMSampleBufferRef into NSData.

this: https://stackoverflow.com/a/4997105/4218954

or this: https://stackoverflow.com/a/29311174/4218954

answered May 28 '19 at 17:42

Fernando Perez

66
1
9

Thanks, the first is for AVAsset. The 2ed is how i tried to do it, but and with data not in wav format – Nimrod Borochov May 29 '19 at 11:13

Convert Audio sampleBuffer to NSData in wav format (without saving to file)

1 Answers1