Shopping centre speaker systems will Christmas "carols" - the traditional Christmas songs.

这些购物中心总会播放一些圣诞“颂歌”，即传统的圣诞歌曲。

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Let's look at performance enhancements we needed to make in speaker systems to reproduce multi-channel movie sound more accurately. The first is dialogue intelligibility.

让我们看看为了更正确回放电影的多声道音轨，音箱系统需要作什么改进。

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But speaker systems to date have annoyed everyone, employees especially, with their constant, ubiquitous noise pollution.

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The left and right speaker systems are in their own internal enclosures.

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That real estate is usually claimed by Bauman Rare Books or Bose, the maker of pricey headphones and speaker systems.

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