For many years, Hawking communicated by using a voice synthesizer.

多年来，霍金一直使用语音合成器进行交流。

The app uses the structure of iFlytek and applies AI tech in speech synthesis, voice recognition, voice assessment, as well as translation.

该软件使用科大讯飞的结构，并将人工智能技术应用于语音合成、语音识别、语音评估以及翻译。

My speech synthesizer has been very important for this.

我的语音合成器对此非常重要。

Finally, we need to talk about Speech Synthesis, that is, giving computers the ability to output speech.

最后，我们需要说一下语音合成，也就是赋予计算机输出语音的能力。

TTS means that we write a piece of text, and a computer synthesized voice will read it aloud for us.

TTS 指我们写一段文本，然后由电脑的合成语音为我们朗读出来。

He said the research team was " shocked" when it first heard the synthesized speech results.

他表示，该研究团队十分" 震惊" ，听到合成的语音结果时，他们震撼不已。

This rare form of motor neurone disease left him virtually paralyzed, unable to express his profound vision of humanity and science without a voice synthesizer.

这种罕见的运动神经元疾病使他几乎瘫痪，无法表达他对人类和科学的深刻见解，而没有语音合成器。

You can hear this chaining of phonemes very clearly with older speech synthesis technologies, like this 1937, hand-operated machine from Bell Labs.

您可以使用较早的语音合成技术非常清楚地听到这种音素链，例如贝尔实验室的这台 1937 年手动操作机器。

ChatGPT's synthetic voice, by contrast, sounds fluid and natural, with slight variations in tone and cadence that make it feel less robotic.

相比之下，ChatGPT 的合成语音听起来流畅自然，音调和节奏略有变化，让人感觉不那么机械化。

The principle proved, Dr Chang and his team went on to show that their system could synthesise speech even when a volunteer mimed sentences, rather than speaking them out loud.

验证了原理之后，张医生和他的团队继续（向我们）展示了：甚至当志愿者只对口型而不是大声念出句子的时候，他们研发的系统也可以合成语音。

Nonspeaking individuals can type to speak during calls and conversations with Live Speech, people can use Personal Voice to create a synthesized voice that sounds like them for connecting with family and friends.

失语用户可以通话和实时语音对话中通过 Live Speech 功能，实时打字“说话”；（面临失语风险的）用户则可用 Personal Voice 与自己嗓音相似的合成语音，与家人好友交流沟通。