2014/10/15 下午 10:04:29

iphone Programming Glossary: avnumberofchannelskey

How do I record audio on iPhone with AVAudioRecorder?

http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder

NSNumber numberWithFloat 44100.0 forKey AVSampleRateKey recordSetting setValue NSNumber numberWithInt 2 forKey AVNumberOfChannelsKey recordSetting setValue NSNumber numberWithInt 16 forKey AVLinearPCMBitDepthKey recordSetting setValue NSNumber numberWithBool..

how to record audio as mp3 file by using AvAudiorecorder

http://stackoverflow.com/questions/10314510/how-to-record-audio-as-mp3-file-by-using-avaudiorecorder

AVAudioQualityMin AVEncoderAudioQualityKey NSNumber numberWithInt 16 AVEncoderBitRateKey NSNumber numberWithInt 2 AVNumberOfChannelsKey NSNumber numberWithFloat 44100.0 AVSampleRateKey nil iphone record avaudiorecorder share improve this question Add..

iPhone App : recording audio in mp3

http://stackoverflow.com/questions/10549023/iphone-app-recording-audio-in-mp3

NSNumber numberWithFloat 11025.0 forKey AVSampleRateKey recordSetting setValue NSNumber numberWithInt 1 forKey AVNumberOfChannelsKey recordSetting setValue NSNumber numberWithInt 16 forKey AVLinearPCMBitDepthKey NSArray path NSSearchPathForDirectoriesInDomains.. AVAudioQualityMin AVEncoderAudioQualityKey NSNumber numberWithInt 16 AVEncoderBitRateKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithFloat 8000.0 AVSampleRateKey NSNumber numberWithInt 8 AVLinearPCMBitDepthKey nil Also doing conversion..

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

NSNumber numberWithFloat 44100.0 forKey AVSampleRateKey recordSetting setValue NSNumber numberWithInt 2 forKey AVNumberOfChannelsKey recordedTmpFile NSURL fileURLWithPath NSTemporaryDirectory stringByAppendingPathComponent NSString stringWithFormat @ .0f... kAudioFormatAppleIMA4 AVFormatIDKey NSNumber numberWithInt 16 AVEncoderBitRateKey NSNumber numberWithInt 2 AVNumberOfChannelsKey NSNumber numberWithFloat 44100.0 AVSampleRateKey nil recorder1 AVAudioRecorder alloc initWithURL recordedTmpFile1 settings..

Writing video + generated audio to AVAssetWriterInput, audio stuttering

http://stackoverflow.com/questions/12187124/writing-video-generated-audio-to-avassetwriterinput-audio-stuttering

dictionaryWithObjectsAndKeys NSNumber numberWithInt kAudioFormatMPEG4AAC AVFormatIDKey NSNumber numberWithInt 2 AVNumberOfChannelsKey NSNumber numberWithFloat 44100.0 AVSampleRateKey NSNumber numberWithInt 64000 AVEncoderBitRateKey NSData dataWithBytes..

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

44100.0 AVSampleRateKey NSNumber numberWithInt kAudioFormatAppleLossless AVFormatIDKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithInt AVAudioQualityMax AVEncoderAudioQualityKey nil NSError error recorder AVAudioRecorder alloc initWithURL..

record input coming from bluetooth headset in iPhone

http://stackoverflow.com/questions/18226255/record-input-coming-from-bluetooth-headset-in-iphone

AVEncoderAudioQualityKey NSNumber numberWithInt 16 AVEncoderBitRateKey NSNumber numberWithInt 2 AVNumberOfChannelsKey NSNumber numberWithFloat 44100.0 AVSampleRateKey nil NSError error nil audioRecorder AVAudioRecorder alloc initWithURL..

This code to write video+audio through AVAssetWriter and AVAssetWriterInputs is not working. Why?

http://stackoverflow.com/questions/4149963/this-code-to-write-videoaudio-through-avassetwriter-and-avassetwriterinputs-is

dictionaryWithObjectsAndKeys NSNumber numberWithInt kAudioFormatMPEG4AAC AVFormatIDKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithFloat 44100.0 AVSampleRateKey NSNumber numberWithInt 64000 AVEncoderBitRateKey NSData dataWithBytes.. 16 AVEncoderBitDepthHintKey NSNumber numberWithFloat 44100.0 AVSampleRateKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSData dataWithBytes acl length sizeof acl AVChannelLayoutKey nil _audioWriterInput AVAssetWriterInput assetWriterInputWithMediaType..

How to record voice in .m4a format

http://stackoverflow.com/questions/4279311/how-to-record-voice-in-m4a-format

kAudioFormatMPEG4AAC AVFormatIDKey NSNumber numberWithFloat 16000.0 AVSampleRateKey NSNumber numberWithInt 1 AVNumberOfChannelsKey nil NSError error nil AVAudioRecorder recorder AVAudioRecorder alloc initWithURL tmpFileUrl settings recordSettings error..

How to record an audio file in .mp3 format?

http://stackoverflow.com/questions/4871940/how-to-record-an-audio-file-in-mp3-format

44100.0 AVSampleRateKey NSNumber numberWithInt kAudioFormatMPEGLayer3 AVFormatIDKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithInt AVAudioQualityMax AVEncoderAudioQualityKey nil But not able to record with these. I searched a..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

AVFormatIDKey NSNumber numberWithInt 44100.0 AVSampleRateKey Not Supported NSNumber numberWithInt 2 AVNumberOfChannelsKey Not Supported NSNumber numberWithInt 16 AVLinearPCMBitDepthKey NSNumber numberWithBool NO AVLinearPCMIsBigEndianKey.. AVFormatIDKey NSNumber numberWithInt 44100.0 AVSampleRateKey Not Supported NSNumber numberWithInt 2 AVNumberOfChannelsKey Not Supported NSNumber numberWithInt 16 AVLinearPCMBitDepthKey NSNumber numberWithBool NO AVLinearPCMIsBigEndianKey..

AVAssetWritter does not work with audio

http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio

how to record audio through an iPhone app?

http://stackoverflow.com/questions/5602901/how-to-record-audio-through-an-iphone-app

44100.0 AVSampleRateKey NSNumber numberWithInt kAudioFormatAppleLossless AVFormatIDKey NSNumber numberWithInt 2 AVNumberOfChannelsKey NSNumber numberWithInt AVAudioQualityMax AVEncoderAudioQualityKey nil and then initialize the recorder and player classes...Hope..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

kAudioFormatMPEG4AAC AVFormatIDKey NSNumber numberWithFloat 44100.0 AVSampleRateKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithInt 192000 AVEncoderBitRateKey NSData dataWithBytes channelLayout length sizeof AudioChannelLayout..

AVCaptureSession only got video buffer

http://stackoverflow.com/questions/9257052/avcapturesession-only-got-video-buffer

16 AVEncoderBitDepthHintKey NSNumber numberWithFloat 44100.0 AVSampleRateKey NSNumber numberWithInt 1 AVNumberOfChannelsKey NSData dataWithBytes acl length sizeof acl AVChannelLayoutKey nil audioWriterInput AVAssetWriterInput assetWriterInputWithMediaType..

AVAudioRecorder Record method returns NO at random times

http://stackoverflow.com/questions/9706020/avaudiorecorder-record-method-returns-no-at-random-times

AVEncoderAudioQualityKey NSNumber numberWithInt 8 AVEncoderBitRateKey NSNumber numberWithInt 2 AVNumberOfChannelsKey NSNumber numberWithFloat 22000.0 AVSampleRateKey nil NSError error nil audioRecorder AVAudioRecorder alloc initWithURL..