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..
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