iphone_app_development_10.pdf

IPHONE • “” iPhone OSAPI • AVAudioPlayer • iPod(3.0) • MPMoviePlayer AVAUDIOPLAYER - 1 • AVAudioPlayer • • • • • AVAUDIOPLAYER - 2 • • -1 • AAC • AMR (Adaptive Multi-Rate, a format for speech) • ALAC (Apple Lossless) • iLBC (internet Low Bitrate Codec, another format for speech) • IMA4 (IMA/ADPCM) • linear PCM (uncompressed) - 2 • µ-law and a-law • MP3 (MPEG-1 audio layer 3) • LessonAudioAndVideo/Classes/Views/AudioPlayerView AVAUDIOPLAYER • AVAudioPlayer AVFoundation.framework • #import AVFoundation/ AVFoundation.h API - • - (id)initWithContentsOfURL:(NSURL *)url error:(NSError **)outError • - (id)initWithData:(NSData *)data error:(NSError **)outError