objective-c - 在 iOS 8.2 上播放短音频的最佳方法

Question

在 iOS 8.2 上播放音频的最佳方式是什么？

Answer 1

最简单的方法是像这样导入 AudioToolbox 框架，#import <AudioToolbox/AudioToolbox.h>那么您需要做的就是：

NSString *soundPath = [[NSBundle mainBundle] pathForResource:@"Beep" ofType:@"mp3"];
SystemSoundID soundID;
AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:soundPath], &soundID);
AudioServicesPlaySystemSound(soundID);

这对于像哔哔声等非常短的声音是最好的，因为您不会像使用AVAudioPlayer.

Answer 2

使用 AVAudio - 更多地使用 AudioToolbox 进行编码，但它也更灵活（如果您将来需要它）

0。

#import <AVFoundation/AVFoundation.h>

1.

//conform to delegate and make a property
@interface ViewController () <AVAudioPlayerDelegate>
@property (nonatomic, strong) AVAudioPlayer *audioplayer; //the player
@end

2.

//have a lazy property for the player! where you also tell it to load the sound
#define YourSound @"sound.caf"
- (AVAudioPlayer *)audioplayer {
    if(!_audioplayer) {
        NSURL *audioURL = [[NSBundle mainBundle] URLForResource:YourSound.stringByDeletingPathExtension withExtension:YourSound.pathExtension];
        NSData *audioData = [NSData dataWithContentsOfURL:audioURL];
        NSError *error = nil;
        // assing the audioplayer to a property so ARC won't release it immediately
        _audioplayer = [[AVAudioPlayer alloc] initWithData:audioData error:&error];
        _audioplayer.delegate = self;
    }
    return _audioplayer;
}

3.

//play
- (void)action {
    [self.audioplayer play];
}

Answer 3

#Import Avfoundation.Framework

AVAudioPlayer *_audioPlayer;  //Declare Globally

Nsstring *path =[Nsstring stringwithformat:@"%@/Beep.mp3",[[Nsbundle mainBundle] resourcePath]];         //Give Your Local Path

Nsurl *soundUrl= [Nsurl FileUrlWithPath:path];

_audioPlayer=[[AvAudioPlayer alloc] initwithContents ofurl:soundUrl error:nil];

_audioPlayer.volume=1.0;  //Give Volume

_audioPlayer.numberOfLoops=loop;  //Give number of loop for repeating sound

_audioPlayer.enableRate = Yes;

_audioPlayer.rate=2.0f;  //Give for fast playing sound. default value is 1.0f;

[_audioPlayer Play];