2014/10/15 下午 10:03:30

iphone Programming Glossary: adpcm

http://stackoverflow.com/questions/1761460/supported-audio-file-formats-in-iphone

Multi Rate a format for speech ALAC Apple Lossless iLBC internet Low Bitrate Codec another format for speech IMA4 IMA ADPCM linear PCM uncompressed 繕 law and a law MP3 MPEG 1 audio layer 3 The audio recording formats supported in iPhone OS are..

Sound on simulator but not device

http://stackoverflow.com/questions/2014578/sound-on-simulator-but-not-device

Sound files that you play using this function must be No longer than 30 seconds in duration In linear PCM or IMA4 IMA ADPCM format Packaged in a .caf .aif or .wav file From Apple docs http developer.apple.com library ios #documentation AudioToolbox..

How can I record AMR audio format on the iPhone?

http://stackoverflow.com/questions/276644/how-can-i-record-amr-audio-format-on-the-iphone

are ALAC Apple Lossless ~ kAudioFormatAppleLossless iLBC internet Low Bitrate Codec for speech ~ kAudioFormatiLBC IMA ADPCM IMA4 ~ kAudioFormatAppleIMA4 linear PCM ~ kAudioFormatLinearPCM 繕 law ~ kAudioFormatULaw a law ~ kAudioFormatALaw You may..

Setting sounds for local notifications on a 3G iPhone running iOS4

http://stackoverflow.com/questions/3716966/setting-sounds-for-local-notifications-on-a-3g-iphone-running-ios4

2 mp3 sounds at the same time in iphone?

http://stackoverflow.com/questions/5026105/2-mp3-sounds-at-the-same-time-in-iphone

playback of multiple sounds of these formats will require CPU resources for decoding. Linear PCM and IMA ADPCM IMA4 audio You can play multiple linear PCM or IMA4 format sounds simultaneously without CPU resource concerns. In terms..