<

>

This code will record sound

#import "JV AudioController.h"

@interface JV_AudioController (){
AVAudioRecorder *recorder;
AVAudioPlayer *player;
}

@end

@implementation JV_AudioController
@synthesize stopButton, playButton, recordPauseButton;

- (void)viewDidLoad
{
[super viewDidLoad];

// Disable Stop/Play button when application launches
[stopButton setEnabled:NO];
[playButton setEnabled:NO];

// Set the audio file
NSArray *pathComponents = [NSArray arrayWithObjects:
[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject],
@"MyAudioMemo.m4a",
nil];
NSURL *outputFileURL = [NSURL fileURLWithPathComponents:pathComponents];

// Setup audio session
AVAudioSession *session = [AVAudioSession sharedInstance];
[session setCategory:AVAudioSessionCategoryPlayAndRecord error:nil];

// Define the recorder setting
NSMutableDictionary *recordSetting = [[NSMutableDictionary alloc] init];

[recordSetting setValue:[NSNumber numberWithInt:kAudioFormatMPEG4AAC] forKey:AVFormatIDKey];
[recordSetting setValue:[NSNumber numberWithFloat:44100.0] forKey:AVSampleRateKey];
[recordSetting setValue:[NSNumber numberWithInt: 2] forKey:AVNumberOfChannelsKey];

// Initiate and prepare the recorder
recorder = [[AVAudioRecorder alloc] initWithURL:outputFileURL settings:recordSetting error:nil];
recorder.delegate = self;
recorder.meteringEnabled = YES;
[recorder prepareToRecord];
}

- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

- (IBAction)recordPauseTapped:(id)sender {
// Stop the audio player before recording
if (player.playing) {
[player stop];
}

if (!recorder.recording) {
AVAudioSession *session = [AVAudioSession sharedInstance];
[session setActive:YES error:nil];

// Start recording
[recorder record];
[playButton setTitle:@" " forState:UIControlStateNormal];
[stopButton setTitle:@" " forState:UIControlStateNormal];
//[recordPauseButton setTitle:@"Recording" forState:UIControlStateNormal];
[recordPauseButton setImage:[UIImage imageNamed: @"redDot.png"] forState:UIControlStateNormal];

} else {

// Pause recording
[recorder pause];
//[recordPauseButton setTitle:@"Paused" forState:UIControlStateNormal];
[recordPauseButton setImage:[UIImage imageNamed: @"Black Dot.png"] forState:UIControlStateNormal];
}

[stopButton setEnabled:YES];
[playButton setEnabled:NO];

}
- (IBAction)stopTapped:(id)sender {
[recorder stop];

AVAudioSession *audioSession = [AVAudioSession sharedInstance];
[audioSession setActive:NO error:nil];
[recordPauseButton setImage:[UIImage imageNamed: @"Black Dot.png"] forState:UIControlStateNormal];
}

- (IBAction)playTapped:(id)sender {
if (!recorder.recording){
player = [[AVAudioPlayer alloc] initWithContentsOfURL:recorder.url error:nil];
[player setDelegate:self];
[recordPauseButton setImage:[UIImage imageNamed: @"Black Dot.png"] forState:UIControlStateNormal];
[player play];
}
}

#pragma mark - AVAudioRecorderDelegate

- (void) audioRecorderDidFinishRecording:(AVAudioRecorder *)avrecorder successfully:(BOOL)flag{
//[recordPauseButton setTitle:@"Record" forState:UIControlStateNormal];
[stopButton setEnabled:NO];
[playButton setEnabled:YES];
}

#pragma mark - AVAudioPlayerDelegate

- (void) audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle: @"Done"
message: @"Finish playing the recording!"
delegate: nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[alert show];

}

@end