是否有可能使"HTML to speech"与"Text to speech"相同？

Question

我有一个奇怪的要求,在我现有的应用程序Text2Speech中,我已经习惯AVSpeechSynthesizer了语音文本,但现在我的客户要求他想要语音HTML文件,因为他有很多HTML文件DB.

我的建议:

使用HTML解析并从HTML获取所有文本并使用Text2Speech的相同框架.

但客户端不希望这种类型的解析,他想要任何API直接提供HTML2Speech功能的框架.

任何建议或帮助将受到高度赞赏.

Answer 1

由于我在这里使用HTML解析和text2speech,你可以使用2步1.get HTML文件中的属性字符串,以下代码适用于 iOS7+

根据您的客户观点:如果HTML2Speech的市场中有任何API可能是其付费,或者如果您使用任何API,则依赖于该API.虽然Native框架可以帮助你/客户想要的.

步骤1:

[[NSAttributedString alloc] initWithData:[htmlString dataUsingEncoding:NSUTF8StringEncoding] 
                                 options:@{NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType,
                                           NSCharacterEncodingDocumentAttribute: @(NSUTF8StringEncoding)} 
                      documentAttributes:nil error:nil];

然后你可以传入这个Attributed String AVSpeechUtterance

第2步: 使用下面的方法获取HTML2String:

/**
 *  "ConvertHTMLtoStrAndPlay" : This method will convert the HTML to String 
 synthesizer.
 *
 *  @param aURLHtmlFilePath : "object of html file path"
 */
-(void)ConvertHTMLtoStrAndPlay:(UIButton*)aBtnPlayPause
                isSpeechPaused:(BOOL)speechPaused
      stringWithHTMLAttributes:(NSAttributedString*)aStrWithHTMLAttributes
{

    if (synthesizer.speaking == NO && speechPaused == NO) {

        AVSpeechUtterance *utterance = [[AVSpeechUtterance alloc] initWithString:aStrWithHTMLAttributes.string];
        //utterance.rate = AVSpeechUtteranceMinimumSpeechRate;

        if (IS_ARABIC) {
            utterance.voice = [AVSpeechSynthesisVoice voiceWithLanguage:@"ar-au"];
        }else{
            utterance.voice = [AVSpeechSynthesisVoice voiceWithLanguage:@"en-au"];
        }

        [synthesizer speakUtterance:utterance];
    }
    else{
        [synthesizer pauseSpeakingAtBoundary:AVSpeechBoundaryImmediate];
    }

    if (speechPaused == NO) {
        [synthesizer continueSpeaking];
    } else {
        [synthesizer pauseSpeakingAtBoundary:AVSpeechBoundaryImmediate];
    }

}

和往常一样,你需要停止使用下面的代码停止语音.

/**
 *  "StopPlayWithAVSpeechSynthesizer" : this method will stop the playing of audio on the application.
 */
-(void)StopPlayWithAVSpeechSynthesizer{

    // Do any additional setup after loading the view, typically from a nib.
    [synthesizer stopSpeakingAtBoundary:AVSpeechBoundaryImmediate];
}

希望这将帮助您获得HTML2Speech功能.