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·Does anyone have any experience with a portable DVR for recording on a motorcycle?
I believe it is lossy in all implementations. Most video compression is lossy as that allows the greatest compression factor.smoothrideronli said:What about MPEG4?
In English that means what...should I not get a portable DVR? What is the best method for recording?esoteric said:Given that, your best method for editing is to always work with original stock, compressed or not, or non-original stock saved in a lossless format. The initial and the post compression passes won't hurt you too much but all the generations in between will bring on the pain.
When video exists in digital media it has to be encoded in some way like everything else. In any video there is lots of information coming into the video recording device quickly so in the interest of conserving space on the media and being able to work with low-bandwidth storage devices in real-time that can't handle that massive wave of data, the video data is often (but not always) compressed. Various methods of compression can be used for this and some of them are lossless (what comes out is the same as what goes in) and some are lossy (less information comes out than went in). Lossy compression algorithms generally offer a tradeoff in accuracy versus space savings (or speed) that the user can futz with.smoothrideronli said:In English that means what...should I not get a portable DVR? What is the best method for recording?
Looks like it will be the chasecam unit for $375...luvtolean said::lol:
That's Stack for you man.
That unit just had the look of a piece of gear for a ride to space. You pay for that.![]()
No. Most cams have resolution more like VCR quality (check the number of lines)smoothrideronli said:Ok thanks Esoteric. I think for what I need it for a regular DVR or maybe a mini DV tape will work well enough. I will put some videos online when I get the new DVR. Is it unreasonable to expect something close to DVD quality from these methods?