V2EX lossy

Lossy

释义 Definition

lossy(形容词):有损的;会丢失部分信息/细节的。常用于数据压缩、音频/图像编码等场景,与 lossless(无损)相对。日常语境中也可泛指“会造成损失或降低质量的”。

发音 Pronunciation

/lsi/

例句 Examples

This image is saved in a lossy format to reduce the file size.
这张图片以有损格式保存,以减小文件大小。

Because the audio was encoded with a lossy codec, some fine details are missing, especially in the high notes.
由于音频使用了有损编码器进行编码,一些细微细节丢失了,尤其是在高音部分。

词源 Etymology

lossy 来自 loss(损失)+ 形容词后缀 -y(表示“具有……性质的”),字面意思是“带来损失的/会造成损失的”。在计算机与通信领域中,它专指压缩或传输过程中不可逆地丢失信息的情况。

相关词 Related Words

文学与作品 Literary Works

  • The MPEG Handbook(John Watkinson)
  • Understanding Digital Signal Processing(Richard G. Lyons)
  • Digital Image Processing(Rafael C. Gonzalez, Richard E. Woods)
  • Information Theory, Inference, and Learning Algorithms(David J. C. MacKay)
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