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heyrick
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« Reply #2 on: November 09, 2011, 12:32:40 pm » |
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That said, with OSDng and bitrates of 1200/1500, USB works fine. Elsewhere on these forums you'll see my unhappy experiences of high bitrate long recordings to SD cards.
While I can appreciate some may want the best possible recordings, it is worth bearing in mind the limitations of the source media. To record from DVD, 2500kbps is good (ripping with a computer is always better). From VHS, apart from fast motion, you may find around 1200kbps is where you stop seeing gains - don't fool yourself, VHS is notorious for flattened colours due to bandwidth limitations. For recording films off minority satellite channels, if the original stream is a 2kbit MPEG2, converting that to a 2kbit MPEG4 is, well, wasteful, really...
Do some experiments, see what you're happy with.
And remember, files created on the OSD will always be larger (by around 40%+) than an encode on a PC for the same type of codec and perceived quality. This is because the PC can look ahead, look behind, buffer huge amounts of data, and take its time. To give an example, my 1GHz box rips an average DVD in about six hours. Conversely, the OSD has a much more limited capacity and the absolute unalterable necessity to encode in real time.
This, also, is a factor in my quality choices. Higher bitrate means larger file, which means less stuff will fit on a DVD-R.
For me, I find 1200/1500 perfectly satisfactory. I don't expect DVD quality...
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