Audio Recording and Playback

Posted by Siva on Stack Overflow See other posts from Stack Overflow or by Siva
Published on 2010-05-31T18:07:13Z Indexed on 2010/05/31 18:13 UTC
Read the original article Hit count: 461

Filed under:

iphone

|

avaudioplayer

|

avaudiorecorder

|

coreaudio

Hi,

I am new to iphone development. In my app, I want to record a voice and play the recorded voice. Now I am trying to do via speak here sample code, but i feel it is too hard to understand with AudioToolbox framework. Somebody saying AudioToolbox framework is too difficult to implement it. is there any other sample with other than AudioToolbox framework or which way is best to do that? Please help me!

© Stack Overflow or respective owner

Related posts about iphone

iphone - direct link to iPhone review form from inside iphone

as seen on Stack Overflow - Search for 'Stack Overflow'
I am trying to link directly to the review link of one of my Apps. I know that it is possible because Appirater did it in the past, but some change in iTunes turned the API down. Appirater uses this URL NSString *templateReviewURL = @"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews… >>> More
Buy iPhone 4 Without Contract: $599 (AT&T) and $699 (Verizon)

as seen on Tech Dreams - Search for 'Tech Dreams'
Purchasing iPhone without a contract is a good option when you are planning to gift it to someone or going to use it outside US. Both AT&T and Verizon lets you iPhone 4 without a contract but this information is buried deep under blurred text in FAQs and agreements. Here is the pricing… >>> More
Is it possible to download and run IPhone apps on an IPhone emulator

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am tasked to provide an IPhone client app for our SaaS website. I have never written an IPhone application, nor do I have an IPhone at the moment. Before I can decide whether or not I want to do this myself or outsource this, I'd like to try a few apps myself to get a feeling for the UI. Is… >>> More
iPhone web app from dashcode rss feed template works deployed on simulator but not on iphone

as seen on Stack Overflow - Search for 'Stack Overflow'
iPhone web app from dashcode rss feed template works deployed on simulator but not on iphone. The web app is deployed at; http://www.alila.se/wordpress/index.html If i run the simulator and enter that adress, it fetches the rss feed and displays it. Everything fine. When i enter the adress into… >>> More
Problem running iPhone application on iPhone from Xcode (and in Instruments)

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi I have a problem running one application on the iPhone from Xcode (or Instruments). When I try to run the app I get the error message Failed to upload XXX.app in the bottom left corner of Xcode. The strange thing is it actually uploaded the app to the iPhone but it doesn't start it (after this… >>> More

Related posts about avaudioplayer

iPhone SDK: Change playback speed using core audio AVAudioPlayer

as seen on Stack Overflow - Search for 'Stack Overflow'
I'd like to be able to play back audio I've recorded using AVAudioRecorder @ 1.5x or 2.0x speed. I don't see anything in AVAudioPlayer that will support that. I'd appreciate some suggestions, with code if possible, on how to accomplish this with the iPhone 3.x SDK. I'm not overly concerned with lowering… >>> More
Conflit between AVAudioRecorder and AVAudioPlayer

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, here is my problem : The code (FooController) : NSString *path = [[NSBundle mainBundle] pathForResource:@"mySound" ofType:@"m4v"]; soundEffect = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:NULL]; [soundEffect play]; // MicBlow micBlow = [[MicBlowController… >>> More
Delay in playing sounds using AVAudioPlayer

as seen on Stack Overflow - Search for 'Stack Overflow'
-(IBAction)playSound{ AVAudioPlayer *myExampleSound; NSString *myExamplePath = [[NSBundle mainBundle] pathForResource:@"myaudiofile" ofType:@"caf"]; myExampleSound =[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:myExamplePath] error:NULL]; myExampleSound.delegate = self; [myExampleSound… >>> More
Generating an LPCM buffer in memory for AVAudioPlayer initWithData

as seen on Stack Overflow - Search for 'Stack Overflow'
I want to generate a sound wave programmatically and play it with AVAudioPlayer. I have the code to encode my waveform as linear PCM, 44100Hz, mono, 8 bits per sample. I am not clear on what kind of envelope I need to wrap around this buffer so that AVAudioPlayer recognizes it as PCM. >>> More
AVAudioPlayer not looping

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey guys, I have this code: - (id<SelfReleasingSound>) initWithFilepath: (NSString *) filepath { self = [super init]; if(self != nil){ NSData * soundFileData = [NSData dataWithContentsOfFile: filepath]; NSError * error; player = [[AVAudioPlayer alloc] initWithData: soundFileData… >>> More