iOS7以后AVSpeechSynthesizer苹果开放了这个类 它可以将文本转化成声音并播放；
下面的是我的封装使用起来特别简单；
//
// TTSSpeak.h
// SayLoveYou
//
// Created by zyyt on 16/7/1.
//
//
/*
汉语： zh-CN (普通话)
粤语： zh-HK
英语: en-US
俄语： ru-RU
日语： ja-JP
泰语: th-TH
德语: de-DE
韩语: ko-KO
法语: fr-FR
希腊语: gr-GR
意大利语: it-IT
西班牙语： es-ES
阿拉伯语： ar-Ar
葡萄牙语： pt-PT
*/
#import <Foundation/Foundation.h>
@interface TTSSpeak : NSObject
//所需的源语言
@property (nonatomic,copy)NSString * languageCode;
//播放的速度
@property (nonatomic,readonly)NSString * playRate;
//当前播放的源语言
@property (nonatomic,readonly)NSString * currentLanguageCode;
//声音大小
@property(nonatomic) NSString * volume; // [0-1] Default = 1
+ (instancetype)shareInstance;
/*
* playText:播放的文本
*languageCode:播放的语言
*rate:播放的速度 默认为0.7
*/
- (void)playText:(NSString*)playText withNativeLanguage:(NSString*)languageCode rate:(NSString *)rate volume:(NSString*)volume ;
//停止播放
- (BOOL)stopSpeaking;
//暂停播放
- (BOOL)pauseSpeaking;
//继续播放
- (BOOL)continueSpeaking;
@end
//
// TTSSpeak.m
// SayLoveYou
//
// Created by zyyt on 16/7/1.
//
//
#import "TTSSpeak.h"
#import <AVFoundation/AVFoundation.h>
@interface TTSSpeak ()
@property (nonatomic,copy)NSString * rate;
@property (nonatomic,strong)AVSpeechSynthesizer * speechSynthesizer;
@property (nonatomic,copy)NSString * LanguageCode;
@end
@implementation TTSSpeak
- (AVSpeechSynthesizer *)speechSynthesizer
{
if (_speechSynthesizer == nil) {
_speechSynthesizer = [[AVSpeechSynthesizer alloc] init];
}
return _speechSynthesizer;
}
+ (instancetype)shareInstance
{
static TTSSpeak * sharedAccountManagerInstance = nil;
static dispatch_once_t predicate;
dispatch_once(&predicate, ^{
sharedAccountManagerInstance = [[TTSSpeak alloc] init];
});
return sharedAccountManagerInstance;
}
- (void)playText:(NSString*)playText withNativeLanguage:(NSString*)languageCode rate:(NSString *)rate volume:(NSString*)volume {
self.rate = rate;
[self setLanguageCode:languageCode];
AVSpeechSynthesisVoice * voice = [AVSpeechSynthesisVoice voiceWithLanguage:languageCode];
AVSpeechUtterance * utterance = [[AVSpeechUtterance alloc] initWithString:playText];
utterance.rate *= [rate floatValue];
utterance.volume = volume?[volume floatValue]:[self.volume floatValue];
self.volume = volume?volume:self.volume;
if (!rate) {
utterance.rate *= 0.7;
}
utterance.voice = voice;
[self.speechSynthesizer speakUtterance:utterance];
}
- (BOOL)stopSpeaking
{
return [self.speechSynthesizer stopSpeakingAtBoundary:AVSpeechBoundaryImmediate];
}
- (BOOL)pauseSpeaking{
return [self.speechSynthesizer pauseSpeakingAtBoundary:AVSpeechBoundaryImmediate];
}
- (BOOL)continueSpeaking
{
return [self.speechSynthesizer continueSpeaking];
}
- (NSString *)playRate
{
if (!self.rate) {
return @"0.7";
}
return self.rate;
}
- (NSString *)currentLanguageCode
{
if (!self.languageCode) {
return @"没有设置源语言";
}
return self.languageCode;
}
@end