We want the audio quality to reflect the audio quality a speech-to-text engine will see in the wild. Thus, we want variety. This teaches the speech-to-text engine to handle various situations—background talking, car noise, fan noise—without errors.
我们希望面向语音转文本引擎将在自然环境下遇到的音频质量。因此，我们需要各种质量的音频来训练引擎。这将使语音转文本引擎遇到各种情况时不出错—不论是周围有人谈话，还是有汽车噪声、风扇噪声。