Cables IEEE 1394 OR USB? Any diff with Camcorda
06 January 2010, 07:13 PM
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Cables IEEE 1394 OR USB? Any diff with Camcorda
Ive got a HV20 HD Canon Camcorda.
Ive always used Firewire IEEE 1394 thats a chip that goes into the motherboard.Ive bought a new graphics card but its blockin other slots so ive had to take the IEEE out.
So the question is will there be a difference in quiality if I use a USB adaptor on the end of a 1394 cable. Or is it to do with upload rate.
Whats the diffarence if there is any between USB and 1394.
Ive always used Firewire IEEE 1394 thats a chip that goes into the motherboard.Ive bought a new graphics card but its blockin other slots so ive had to take the IEEE out.
So the question is will there be a difference in quiality if I use a USB adaptor on the end of a 1394 cable. Or is it to do with upload rate.
Whats the diffarence if there is any between USB and 1394.
06 January 2010, 09:05 PM
#2
I know very little about the workings of camcorders but there are two firewire standards Firewire 400 (1394) Firewire 800 (1394b) their respective theoretical maximum data rates are 400mbps and 800mbps.
USB 2 offers a maximum theoretical data rate of 480mbps, however in the real world firewire will transfer data more quickly due to how it handles data.
I doubt there will be any difference in quality as both modes of connection is transferring from a digital source to another digital device, it is just a question of bandwidth. If your camera is using 1394b then I think the slower USB2 interface will struggle to cope, which may result in large numbers of dropped frames.
USB 2 offers a maximum theoretical data rate of 480mbps, however in the real world firewire will transfer data more quickly due to how it handles data.
I doubt there will be any difference in quality as both modes of connection is transferring from a digital source to another digital device, it is just a question of bandwidth. If your camera is using 1394b then I think the slower USB2 interface will struggle to cope, which may result in large numbers of dropped frames.
06 January 2010, 09:40 PM
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USB 2.0 will realistically transfer at average of around 240 Mbit/s so will be slightly slower than Firewire
Most camcorders do not support transferring video over the USB connection, for example my Sony camcorder has a Firewire (or IEEE 1394) and a USB port but it will only allow video to be transferred via the Firewire port.
Most camcorders do not support transferring video over the USB connection, for example my Sony camcorder has a Firewire (or IEEE 1394) and a USB port but it will only allow video to be transferred via the Firewire port.
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