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JVC GY-HM 70/100/150 Series Camera Systems
GY-HM70, HM100, HM150 recording AVCHD MP4 & QuickTime .MOV to SDHC cards.


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Old April 18th, 2011, 06:29 AM   #1
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Double SDHC transfer speed

Ok, I have been bleating about the speed of SDHC readers and the obsession with USB2. I have a great FW800 CF reader, but despite the 30MB/s cards, 20MB/s seems to be the most we can get out of the current crop of readers.
With a full day's shooting (by 2 cams) I was dreading the time it was going to take to offload to my VR mini... then one of those "why didn't I think of that before" moments... I used two card readers at once.
No problem with dumping two streams to the e-SATA connected VR and even added a FW800 stream from my KiPro. I actually got to bed at a reasonable time :-)

Chas.
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Old April 18th, 2011, 03:17 PM   #2
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Re: Double SDHC transfer speed

Nice to have good sleep
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Old April 28th, 2011, 05:32 AM   #3
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Re: Double SDHC transfer speed

USB2 is good up to about 40MB/s, or two streams at 20MB/s each

most computers have separate usb channels though, so you can get 40MB/s per port
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