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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Currently, high-definition TV shows and movies from iTunes are offered in 720P and Dolby Digital surround sound.

FORBES: Apple TV Refresh Coming In March Alongside iPad 3?

NeoTV Streaming Player (NTV300) is a simple-to-use device that's an ideal solution for streaming thousands of movies, TV shows or songs to TVs in full 1080p HD and 5.1 Dolby Digital Surround Sound.

ENGADGET: SlingPlayer, TuneIn and other channels added to Netgear's NeoTV lineup

Netflix is the most intriguing of the additions, but while TiVo Premiere owners can now watch Netflix 1080p programming with Dolby Digital Plus discrete surround sound, like Hulu Plus, it isn't a TiVo experience.

ENGADGET: TiVo Spring update brings new Netflix and YouTube experience