The media layer... starting with Core Audio, this is the low-level audio layer; on top of that we've built OpenAL, an industry standard.

Media （多媒体）层 -和核心Audio一起启动，这是底层Audio（声音）层，更高的层我们建构了产业级标准的OpenAL。

youdao

The media layer... starting with Core Audio, this is the low-level audio layer; on top of that we've built OpenAL, an industry standard.

Media （多媒体）层 -和核心Audio一起启动，这是底层Audio（声音）层，更高的层我们建构了产业级标准的OpenAL。

youdao