avaudiorecorder « sound « iPhone iPad Media Q&A

1. iphone - AVAudioRecorder gives mono playback (sound playing in just one channel)    stackoverflow.com

I am using AVAudioRecorder to record audio and save to a wav file (using SDK 3.0) The settings dictionary contains the following values

 NSMutableDictionary *recordSetting = [[NSMutableDictionary alloc] init];

 [recordSetting setValue ...

2. Is there any way to check if there is any input to the mic or not?    stackoverflow.com

Is there any way to let's say, user clicks a button, and then he needs to say something to the mic, but only after he finishes to talk to the mic, ...

3. iPhone AVAudioRecorder, AudioQueueServices, how to auto record audio when sound is detected    stackoverflow.com

i'm using AVAudioRecorder and AudioQueueServices to record audio from the iphone's mic but I want to auto record the sound once it is detected so theres no need to press on ...

4. Listening to sounds works on the iPhone simulator but not on the device    stackoverflow.com

I am trying to process a blowing sound in my iPhone app. I tried both solutions below. They both work fine in the simulator but not on my device.

5. Can iphone built in mic listen to the sound over 22khz?    stackoverflow.com

I tried Can iphone built in mic listen to the sound over 22khz? What is the maximum frequency can be listed by iphone mic? And how far is it?

6. AVAudioRecorder shows time delay for recording sound in IOS 5    stackoverflow.com

I am using AVAudioRecorder to record sound in 'wav' format. My code works fine for ios 4 and recording is done perfectly. But in case of ios 5, a time delay ...