avaudiorecorder

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How can i compare two audio files on the basis of certain parameter say maximum decibel?

I am trying to compare two .caf files on the basis of some parameter, say maximum decibels or duration of files. I have recorded these two files using the AVAudioRecorder class using the following set[详细]

2023-01-15 12:54 分类：问答
Monitor iPhone's mic level without pausing iPod

I\'m using AVAudioRecorde开发者_JAVA技巧r to get the current level of the microphone, but it pauses any iPod music that\'s playing and won\'t let the user unpause it. Is there a way of getting the two[详细]

2023-01-15 09:37 分类：问答
AVAudioRecorder File won't play except with VLC

Ok. I think I\'m missing something here and I\'m new to Core Audio but I have scoured the Apple documents and the rest of the web to no avail. I\'ve also posted this same question to the apple dev for[详细]

2023-01-14 13:13 分类：问答
recorder works on iPhone 3GS but not on iPhone 3G

I have a AVAudioRecorder, which gets initialized like: _recorder = [AVAudioRecorder alloc]; NSMutableDictionary *recordSettings = [[[NSMutableDictionary alloc] initWithCapacity:2] autorelease];[详细]

2023-01-12 05:19 分类：问答
record and play the same file

I am trying to record the audio using AVAudioRecorder. My problem is i want to play the file while it is being recorded. Is there any way i can do this? I have set the category to PlayAndRecord. I hav[详细]

2023-01-11 05:48 分类：问答
Is there any way to check if there is any input to the mic or not?

Is there any way to let\'s say, user clicks a button, and then he needs to say something to the mic, but only after he finishes to talk to the mic, th开发者_高级运维e app will wait 5 seconds, and then[详细]

2023-01-04 09:11 分类：问答
AVAudioRecorder normalize volume

I\'ve got an app that records audio.开发者_运维问答I\'m wondering how I can increase the gain.is there a way to normalize the audio or amplify it somehow?[详细]

2022-12-31 14:30 分类：问答
OpenAL doesn't work when using AVAudioRecorder and AVAudioPlayer

i have been troubled about audio problem for several days. i don\'t think OpenAL get along with AVAudio functions.[详细]

2022-12-31 12:57 分类：问答
Initialization of AVAudioRecorder with aac

I want to initialize a AVAudioRecorder with a aac file format, but it doesnt work... Whats wrong with the following code?[详细]

2022-12-30 13:26 分类：问答
iphone sdk: initialization of a AVAudioRecorder returns nil

I want to initialize a AVAudioRecorder with the aac Format. To do so, I use the following code: soundFilePath = [soundFilePath stringByAppendingPathExtension:@\"aac\"];NSURL *url =[详细]

2022-12-30 10:34 分类：问答