When speaking specific data types it can help to tell the text-to-speech (TTS) system of the voice browser the type of information to convert into speech.

当用户说出特定的数据类型时，该信息会将要转换为语音的信息类型告诉语音浏览器的TTS系统。

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The optional fields contain the exact wording to be played back using Text-to-Speech (TTS) or an audio file.

可选区域包括将要使用文本-至-语音(TTS)来回放的准确用语或一个语音文件。

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You can use recorded sounds for effects and, in this case, I'm using synthesized voices with the text-to-speech (TTS) engine Festival.

您可以使用录制的声音，但是在本例中，我要使用利用 TTS 引擎 Festival 产生的合成声音。

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Nina combines Nuance speech recognition, Text-to-Speech (TTS), voice biometrics, and Natural Language Understanding (NLU) technology hosted in the cloud to deliver an interactive user experience that not only understands what is said, but also can identify who is saying it.

ENGADGET: Voice assistant 'Nina' lets any app obey commands, makes speech your password

Nina also includes a range of existing Nuance text-to-speech voices, and Nuance can develop a custom TTS voice for an optional development fee.

ENGADGET: Voice assistant 'Nina' lets any app obey commands, makes speech your password