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2014/10/15 ¤U¤È 10:12:32

iphone Programming Glossary: peakpowerforchannel

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

recorder1 setDelegate self if recorder recorder.meteringEnabled YES recorder record double val recorder peakPowerForChannel 0 NSLog @ The Very First Value Of The Recorder Is f val levelTimer NSTimer scheduledTimerWithTimeInterval 0.4 target self.. levelTimerCallback NSTimer timer recorder updateMeters const double ALPHA 0.05 NOISE FILERATION ALGORITHMS double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 double audioMonitorResults1 ALPHA peakPowerForChannel 1.0 ALPHA audioMonitorResults1.. updateMeters const double ALPHA 0.05 NOISE FILERATION ALGORITHMS double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 double audioMonitorResults1 ALPHA peakPowerForChannel 1.0 ALPHA audioMonitorResults1 double audioMonitorResults audioMonitorResults..

Detecting a clap in IOS

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

Here is my attempt void levelTimerCallback NSTimer timer recorder updateMeters const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 lowPassResults ALPHA peakPowerForChannel 1.0 ALPHA lowPassResults if recorder.. NSTimer timer recorder updateMeters const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 lowPassResults ALPHA peakPowerForChannel 1.0 ALPHA lowPassResults if recorder peakPowerForChannel 0 0 totalClapsLabel.text.. const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 lowPassResults ALPHA peakPowerForChannel 1.0 ALPHA lowPassResults if recorder peakPowerForChannel 0 0 totalClapsLabel.text NSString stringWithFormat @ d total SCListener..

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

self.view addSubview image void levelTimerCallback NSTimer timer recorder updateMeters const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 lowPassResults ALPHA peakPowerForChannel 1.0 ALPHA lowPassResults NSLog @ Average.. NSTimer timer recorder updateMeters const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 lowPassResults ALPHA peakPowerForChannel 1.0 ALPHA lowPassResults NSLog @ Average input f Peak input f Low pass results.. const double ALPHA 0.05 double peakPowerForChannel pow 10 0.05 recorder peakPowerForChannel 0 lowPassResults ALPHA peakPowerForChannel 1.0 ALPHA lowPassResults NSLog @ Average input f Peak input f Low pass results f recorder averagePowerForChannel 0 recorder..