杜比数字是一种非常成熟的,并具备多种音频编/解码能力的尖端技术。杜比数字技术能传输单声道、立体声(两声道)、或者多达5.1声道的环绕声(分离式*多声道音频)。
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。
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.
介绍了基于人耳心理声学模型的数字音频压缩技术的杜比数字音频AC - 3。
Dolby digital audio AC-3 is introduced as a digital audio compressing technology based on human ear psychoacoustics models.
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