objective c - Record audio on iPhone with smallest file size -

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I want to record audio with the iPhone and want to upload it to the server I

I audio recording again, but I'm concerned that I will use what format to record, so that the recorder file small file brought in shape.

The results of encoding supported by the iPhone have I Audio File Size duration of 10 seconds.

Kaudioformatmpg4AAC: 164

Kaudioformatapplelossles: 430

Kaudioformatappleim4: 475

Kaudioformtulav: 889,

kAudioFormatALaw: 889,

kAudioFormatMPEG4AAC is the smallest size.

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