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2014/10/15 ¤U¤È 10:11:11
iphone Programming Glossary: lowpassresultshttp://stackoverflow.com/questions/11173605/detecting-a-clap-in-ios 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 NSString stringWithFormat.. 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 listener SCListener.. levels listener levels Float32 peak levels 0 .mPeakPower Float32 average levels 0 .mAveragePower lowPassResultsLabel.text NSString stringWithFormat @ f lowPassResults peakInputLabel.text NSString stringWithFormat @ f peak averageInputLabel.text..
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 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 f recorder averagePowerForChannel.. 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 peakPowerForChannel 0.. @ Average input f Peak input f Low pass results f recorder averagePowerForChannel 0 recorder peakPowerForChannel 0 lowPassResults if lowPassResults 0.055 NSLog @ Mic blow detected self changeFrame void changeFrame UIView beginAnimations nil context..
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