As they walk around a playground or other area, text, video or audio pops up at various points to help them try to figure out why aliens were in the schoolyard.

当他们在操场或其他地方四处走动时，文本、视频或音频会在不同的地方弹出来，以帮他们弄清楚为什么会有外星人出现在校园里。

youdao

You can store the dynamically generated audio and store the text representation as the key.

您可以存储这个动态生成的音频并将文本表示存储为密钥。

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There are public domain utilities for converting audio (and even text files) into various PCM formats.

有些公共主域实用程序可以将音频(甚至文本文件)转换为各种pcm格式。

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"Messages", an internet-based audio, text, and video conferencing application that is included with Macs, has high-quality video and frame rate capabilities and is ideal for people who use sign language to communicate.

BBC: Speeding up work for people with disabilities

The future of the web, and communications, in general, lies with audio-visual not with text.

FORBES: Disrupting Amazon. But Isn't Amazon Already Ahead Of The Game?

Indeed, there are at least three upstarts, TVEyes , BBN and Autonomy (via Blinkx ) that already offer full text audio-search services.

FORBES: co-founder Sergey Brin