The second obligatory condition is the possibility to shoot in manual mode, when sensitivity, exposure, diaphragm, and the compression quality can be adjusted by the user.

第二个必要的条件是，操作者可以调节感光，曝光，快门以及压缩质量，以手控的方式拍摄。

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In 2003, the company introduced the external-video FLV format, using the VP6 codec, which, at the time, was of very high quality and had great compression.

在2003年，该公司使用VP6编解码器(codec)引入了外部视频flv格式，在当时，这是非常高质量的，并且是高压缩的。

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Image compression quality is not very good.

图像的压缩质量不是很好。

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Imgur started by creating a simple tool that gave people control of the cropping and compression quality of their uploaded images.

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This allows it to transfer high quality video without special compression straight to the PC in real time.

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Apt-X is a unique codec that reproduces robust sound that's true-to-life, providing CD quality audio, regardless of file compression encoding.

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