Film grain: Add film grain for a classic feel, to BW images.

Film Grain：添加经典的电影纹理感觉，使图像成为黑白电影片风格。

youdao

PQ &AQ are excellent with PIP, Heavy film grain structure, buyable for 5 stars.

音画质量一流，电影般画质，颗粒感强，收藏5星。

youdao

Film grain - sometimes grain makes images look sharper - sometimes the opposite!

胶卷颗粒-有时候颗粒使图片看起来更锐利，而有时候则正好相反！

youdao

There did seem to be a few scenes that were either soft or had excessive film grain.

ENGADGET: Review: Samsung BD-P1000 HD

The problem is that individual still holograms contain so much information that they are usually captured on film (indeed, so much information is needed that the film in question has a grain size a tenth to a hundredth that of standard photographic film).

ECONOMIST: Researchers can now broadcast moving holograms

Just as grain size in silver halide film ultimately limits the amount of detail you can see in a photograph, the background noise produced by the sensor does much the same in digital imaging.

ECONOMIST: A die-hard analog photographer goes digital