MPEG-3 was the designation for an abandoned plan to create a group of audio and video coding standards agreed upon by the Moving Picture Experts Group (MPEG) designed to handle HDTV signals at 1080p [1] in the range of 20 to 40 megabits per second. [2]

2023年3月13日 · MPEG-3 was originally intended coding HDTV at bit rates of about 20–40 Mbit/s but was abandoned when it was found that MPEG-2 could achieve that with minor modifications. MPEG-4 was designed to support multimedia applications on …

An MPEG-3 project was cancelled. MPEG-3 was planned to deal with standardizing scalable and multi-resolution compression [23] and was intended for HDTV compression, but was found to be unnecessary and was merged with MPEG-2; as a result there is no MPEG-3 standard.

MPEG-3 Originally, MPEG had a plan to define the video coding for HDTV applications in a fur-ther phase, to be called MPEG-3. However, later on it turned out that the tools devel-oped for MPEG-2 video coding would also address the HDTV requirements, and MPEG gave up the plan to develop a special MPEG-3 standard. Sometimes MPEG Layer-3 (or

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2010年7月5日 · mpeg-3： 原本目标是为高解析度电视（hdtv）设计，随后發現mpeg-2已足夠hdtv應用，故 mpeg-3的研發便中止。