V2EX mpeg-1

MPEG-1

释义 Definition

MPEG-1:一种早期的数字音视频压缩标准(ISO/IEC 11172),常用于VCD视频与MP3(MPEG-1 Audio Layer III)等音频编码。主要目标是在较低码率下实现可接受的音视频质量。(也可指符合该标准的编码格式/文件。)

发音 Pronunciation (IPA)

/m.pi.di wn/

例句 Examples

MPEG-1 was widely used for VCDs in the 1990s.
MPEG-1 在 20 世纪 90 年代被广泛用于 VCD。

Although MPEG-1 is outdated compared with modern codecs, its audio layer (especially Layer III) had a lasting impact on how people store and share music.
尽管与现代编解码器相比 MPEG-1 已经过时,但它的音频层(尤其是第三层)对人们存储与分享音乐的方式产生了持久影响。

词源 Etymology

MPEG 来自 Moving Picture Experts Group(动态图像专家组),是制定音视频压缩标准的一组国际专家;“1”表示其第一代标准。MPEG-1 由 ISO/IEC 正式标准化,编号为 11172。

相关词 Related Words

文献与作品 Literary / Notable Works

  • ISO/IEC 11172: Information technology Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s(MPEG-1 标准原文)
  • Poynton, Charles. Digital Video and HDTV: Algorithms and Interfaces(讨论视频编码与相关标准,涉及 MPEG 系列)
  • Watkinson, John. The MPEG Handbook(介绍 MPEG 标准体系,涵盖 MPEG-1)
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