Speech synthesis is the artificial production of human speech.

声音合成就是人类声音的人造产物。

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。