最近项目需要集成语音这块,我选择了科大讯飞的sdk,IFlySpeechRecognizer是不带界面的语音听写控件，显示界面的时候需要用户进行自定义语音动画界面,IFlyRecognizerView是带界面的控件.我会分别介绍这两种显示.
带语音的界面:
#import "iflyMSC/IFlyMSC.h"
@property (nonatomic, strong) IFlyRecognizerView *iflyRecognizerView;//带界面的识别对象
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
if (_iflyRecognizerView == nil) {
[self initIflySound];
}else{
[_iflyRecognizerView start];
}
[self.searchBar resignFirstResponder];
}
- (void)initIflySound{
//UI显示剧中
_iflyRecognizerView= [[IFlyRecognizerView alloc] initWithCenter:self.view.center];
[_iflyRecognizerView setParameter:@"" forKey:[IFlySpeechConstant PARAMS]];
//设置听写模式
[_iflyRecognizerView setParameter:@"iat" forKey:[IFlySpeechConstant IFLY_DOMAIN]];
_iflyRecognizerView.delegate = self;
//设置最长录音时间
[_iflyRecognizerView setParameter:@"30000" forKey:[IFlySpeechConstant SPEECH_TIMEOUT]];
//设置后端点
[_iflyRecognizerView setParameter:@"3000" forKey:[IFlySpeechConstant VAD_EOS]];
//设置前端点
[_iflyRecognizerView setParameter:@"3000" forKey:[IFlySpeechConstant VAD_BOS]];
//网络等待时间
[_iflyRecognizerView setParameter:@"20000" forKey:[IFlySpeechConstant NET_TIMEOUT]];
//设置采样率，推荐使用16K
[_iflyRecognizerView setParameter:@"16000" forKey:[IFlySpeechConstant SAMPLE_RATE]];
//设置语言
[_iflyRecognizerView setParameter:@"zh_cn" forKey:[IFlySpeechConstant LANGUAGE]];
//设置是否返回标点符号
[_iflyRecognizerView setParameter:@"0" forKey:[IFlySpeechConstant ASR_PTT]];
//设置音频来源为麦克风
[_iflyRecognizerView setParameter:IFLY_AUDIO_SOURCE_MIC forKey:@"audio_source"];
//设置听写结果格式为json
[_iflyRecognizerView setParameter:@"plain" forKey:[IFlySpeechConstant RESULT_TYPE]];
//保存录音文件，保存在sdk工作路径中，如未设置工作路径，则默认保存在library/cache下
[_iflyRecognizerView setParameter:@"asr.pcm" forKey:[IFlySpeechConstant ASR_AUDIO_PATH]];
BOOL ret = [_iflyRecognizerView start];
NSLog(@"%d",ret);
}
#pragma mark - IFlyRecognizerViewDelegate
- (void)onResult:(NSArray *)resultArray isLast:(BOOL)isLast
{
NSMutableString *result = [[NSMutableString alloc] init];
NSDictionary *dic = [resultArray objectAtIndex:0];
for (NSString *key in dic) {
[result appendFormat:@"%@",key];
}
if (!isLast) {
self.searchBar.text = result;
NSLog(@"result = %@",result);
}else{
//每次返回的result都是你说的每一段话,当isLast=YES是,证明你已经识别完所有内容,处理逻辑
NSLog(@"result = %@",result);
}
}