The second is the function that the current chassis generally have front USB and front audio jack .

其二就是功能，目前的机箱一般都具备前置USB和前置音频插口。

youdao

Not only did the two small speakers that sit above and below the screen become an instant dust-trap, they were fairly quiet and didn't exactly impress on the audio quality front.

不单单是那两个在屏幕上下的扬声器很快会变成尘土陷阱，它们完全“安静”，同时不能准确地表现音频质量。

youdao

The rear-facing camera can record 720p high-definition content at 30 frames per second (fps) with audio, and the front-facing camera records VGA (video graphics array) video at 30fps.

iPad2上的后置摄像头能够摄录720线、30帧/秒高清有声视频，前置摄像头能够摄录30帧/秒VGA（视频图形阵列）视频。

youdao

"Even though I'm blind I love to go see movies. Some theaters have these transmitters that you can check out at the front desk where you buy your tickets, and there is an audio track that provides description for the movies.

VOA: special.2010.03.01

Problems included a penchant for picking up dirt and fingerprints (the price you pay for a beautiful glossy face, we suppose), a cramped nav key layout with the tricky touch-sensitive Navi Wheel front and center, audio performance that wasn't bad but was expected to be far better in light of the dedicated DSP, and a "shovel"-like feel in the hand, a symptom of the phone's generous dimensions.

ENGADGET: Nokia N96 gets in-depth review months ahead of release

On the audio-only front, the 077 Reference preamplifier and 082 Classic integrated amplifier make their appearance on the cutsheet, but it's the 087 Classic surround processor that grabs our HD attention.

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The Model Two makes use of the latest audio technology, including front and rear RCA pre-outs, subwoofer output and a built-in 25 watts x 4 channel RMS power amplifier.

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