This article discussed the hot topics focusing on Dolby Digital and surround sound technologies, with a probing into some professional issues related to the HDTV audio domain.

本文围绕杜比数字和环绕声技术等热点话题，探讨了有关高清晰度电视音频领域的一些专业问题。

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These new models feature ATI Radeon HD4670 video cards, a subwoofer, Dolby Surround II capabilities, 16:9 cinema-level displays, and Blue-ray optical drives.

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This is seriously a game changer for console users compared to what's been available for cross-platform Dolby surround sound decoders in the past.

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He has built houses, schools, hospitals, youth centres, kindergartens, an airport and in the capital they even have a movie theatre with Dolby surround sound.

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