项目中用到了讯飞语音识别，发现讯飞的framework封装的有点坑，趁着下午茶时间，自己进行了二次封装，也方便team中的其他小伙伴调用，如果大家有需要的也可以拿去用（记得appId换成自己申请的key），下面说下自己的简单封装思路。代码的下载地址为：http://download.csdn.net/download/u010670117/9365611
（一）：
首先，沿用了讯飞demo中的IATConfig这个类来配置需要的参数，
@property (nonatomic,copy)NSString *appID;
其中这个appID是自己添加的参数，如果想要使用在.m文件中换成自己申请的appId。
其余参数都是demo中的自带参数，每个参数的含义在IATConfig中有详细介绍
/**设置的最长录音时间*/
@property (nonatomic,strong)NSString *speechTimeout;
/**设置的前段录音超时时间*/
@property (nonatomic,strong)NSString *vadEos;
/**设置的后段录音超时时间*/
@property (nonatomic,strong)NSString *vadBos;
/**设置录音识别语言*/
@property (nonatomic,strong)NSString *language;
/**设置录音识别方言，默认为普通话*/
@property (nonatomic,strong)NSString *accent;
@property (nonatomic,strong)NSString *dot;
/**设置声道采样频率*/
@property (nonatomic,strong)NSString *sampleRate;
（二）
设置好参数后，接下来调用framework中的语音识别类，封装了
RecoganizionOfVoice，用block回传识别的语音听写结果
#import <Foundation/Foundation.h>
#import <iflyMSC/iflyMSC.h>
typedefvoid(^recoganizonOfVoiceBlock)(NSString *result,BOOL successResolution
);
@interface RecoganizionOfVoice :NSObject<IFlyRecognizerViewDelegate>
+(RecoganizionOfVoice *)createSingleInstance;
-(void)establishObject;
@property (nonatomic,copy)recoganizonOfVoiceBlock recoganizonOfVoiceBlock;
@property (nonatomic,copy)NSString *resultString;
/**带界面的识别语音*/
@property (nonatomic,strong)IFlyRecognizerView *recongnizerView;
@property (nonatomic,strong)IFlyDataUploader *dataUploader;
/**语音文件路径*/
@property (nonatomic,copy)NSString *filePathOfVoice;
@end
#import "RecoganizionOfVoice.h"
#import "IATConfig.h"
//#define APPIDOfVoice @"564dab94"
static RecoganizionOfVoice *reconganizionOfVoice =nil;
@implementation RecoganizionOfVoice
+(RecoganizionOfVoice *)createSingleInstance
{
staticdispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
reconganizionOfVoice = [[RecoganizionOfVoicealloc]init];
});
returnreconganizionOfVoice;
}
-(instancetype)init
{
self = [superinit];
if (self) {
// [self establishObject];
}
return self;
}
-(void)establishObject
{
//配置APPID
//语音转换有关配置
[IFlySettingsetLogFile:LVL_ALL];
[IFlySetting showLogcat:YES];
NSArray *paths =NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask,YES);
NSString *cachePath = [pathsobjectAtIndex:0];
[IFlySettingsetLogFilePath:cachePath];
NSString *appIdString = [NSStringstringWithFormat:@"appid=%@",[IATConfigsharedInstance].appID];
[IFlySpeechUtilitycreateUtility:appIdString];
//创建语音录制对象
if([IATConfigsharedInstance].haveView ==YES){
if (self.recongnizerView) {
[self.recongnizerViewcancel];
}else{
self.recongnizerView = [[IFlyRecognizerViewalloc]initWithCenter:CGPointMake([UIScreenmainScreen].bounds.size.width/2, [UIScreen mainScreen].bounds.size.height/2)];
}
self.resultString =@"";
[self.recongnizerViewsetParameter:@""forKey:[IFlySpeechConstantPARAMS]];
[self.recongnizerViewsetParameter:@"iat"forKey:[IFlySpeechConstantIFLY_DOMAIN]];
self.recongnizerView.delegate =self;
IATConfig *iatConfig = [IATConfigsharedInstance];
//设置最长录音时间
[self.recongnizerViewsetParameter:iatConfig.speechTimeoutforKey:[IFlySpeechConstantSPEECH_TIMEOUT]];
//设置后端点
[self.recongnizerViewsetParameter:iatConfig.vadEosforKey:[IFlySpeechConstantVAD_EOS]];
//设置前端点
[self.recongnizerViewsetParameter:iatConfig.vadBosforKey:[IFlySpeechConstantVAD_BOS]];
//网络等待时间
[self.recongnizerViewsetParameter:@"60000"forKey:[IFlySpeechConstantNET_TIMEOUT]];
//设置采样率，推荐使用16K
[self.recongnizerViewsetParameter:iatConfig.sampleRateforKey:[IFlySpeechConstantSAMPLE_RATE]];
if ([iatConfig.languageisEqualToString:[IATConfigchinese]]) {
//设置语言
[self.recongnizerViewsetParameter:iatConfig.languageforKey:[IFlySpeechConstantLANGUAGE]];
//设置方言
[self.recongnizerViewsetParameter:iatConfig.accentforKey:[IFlySpeechConstantACCENT]];
}elseif ([iatConfig.languageisEqualToString:[IATConfigenglish]]) {
//设置语言
[self.recongnizerViewsetParameter:iatConfig.languageforKey:[IFlySpeechConstantLANGUAGE]];
}
//设置是否返回标点符号
[self.recongnizerViewsetParameter:iatConfig.dotforKey:[IFlySpeechConstantASR_PTT]];
}
//设置音频来源为麦克风
[self.recongnizerViewsetParameter:IFLY_AUDIO_SOURCE_MICforKey:@"audio_source"];
//设置听写结果
[self.recongnizerViewsetParameter:@"plain"forKey:[IFlySpeechConstantRESULT_TYPE]];
//保存录音文件
[self.recongnizerViewsetParameter:@"asr.pcm"forKey:[IFlySpeechConstantASR_AUDIO_PATH]];
[self.recongnizerViewstart];
}
//录音听写回调方法
-(void)onError:(IFlySpeechError *)error{
if ([errorerrorCode] !=0) {
self.recoganizonOfVoiceBlock(@"识别失败",NO);
}
}
//听写结果回调
-(void)onResult:(NSArray *)resultArray isLast:(BOOL)isLast{
if (isLast) {
// NSLog(@"resultArray1%@",resultArray);
}else{
NSMutableString *result = [[NSMutableStringalloc]init];
NSDictionary *dic = [resultArrayobjectAtIndex:0];
[resultappendString:self.resultString];
for (NSString *key in dic) {
[resultappendFormat:@"%@",key];
}
[result stringByReplacingOccurrencesOfString:@","withString:@""];
[result stringByReplacingOccurrencesOfString:@" "withString:@""];
self.resultString = result;
self.recoganizonOfVoiceBlock(self.resultString,YES);
}
}
@end
[TheToolOfvoicerecognitiongetTextOfVoice:^(id dictionary) {
}resolvingFailure:^(id dictionary) {
}];
后续如果有什么关于讯飞的坑跳不过去可以留言，如果遇到过会及时帮大家解决的。