2014/10/15 下午 10:11:00

iphone Programming Glossary: leveltimercallback

Record the sound and play it back with changed pitch

http://stackoverflow.com/questions/10549317/record-the-sound-and-play-it-back-with-changed-pitch

Value Of The Recorder Is f val levelTimer NSTimer scheduledTimerWithTimeInterval 0.4 target self selector @selector levelTimerCallback userInfo nil repeats YES else NSLog @ error in initilising of the recorder @ error localizedDescription void levelTimerCallback.. userInfo nil repeats YES else NSLog @ error in initilising of the recorder @ error localizedDescription void levelTimerCallback NSTimer timer recorder updateMeters const double ALPHA 0.05 NOISE FILERATION ALGORITHMS double peakPowerForChannel pow..

Detecting a clap in IOS

http://stackoverflow.com/questions/11173605/detecting-a-clap-in-ios

this in Objective C. I have been able to figure out how to sample the audio with SCListener Here is my attempt void levelTimerCallback NSTimer timer recorder updateMeters const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel..

Detecting Blow through iPhone MIC in Cocos and then Performing animation on an image

http://stackoverflow.com/questions/12985461/detecting-blow-through-iphone-mic-in-cocos-and-then-performing-animation-on-an-i

YES recorder record levelTimer NSTimer scheduledTimerWithTimeInterval 1.0 target self selector @selector levelTimerCallback userInfo nil repeats YES else NSLog error description image UIImageView alloc init image.image UIImage imageNamed @ Recipie.png.. image.image UIImage imageNamed @ Recipie.png image.frame CGRectMake 50 100 150 200 self.view addSubview image void levelTimerCallback NSTimer timer recorder updateMeters const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel.. iphone animation share improve this question I suspect the problem comes from the fact that you are calling levelTimerCallback each second. So when a blow come in for the whole duration of the blow your callback will make the image change. A workaround..