I have a camcorder (Panasonic PV-GS15). The handbook says that you need a firewire connection to transfer video to the PC. My question is if you could use a USB 2.0 connection also, since the camcorder is suppose to be compadable with such a connection and USB 2.0 is faster than firewire? Should the USB connection not be as good as the Firewire? Thanks
Hi I have figured it out. Even if the USB 2.0 is faster than the firewire the camcorder itself do not transfer at the optimal speed when connecting with the USB (even id the USB can transfer faster). So the only fast transfer option is the firewire
If your USB connection works well for you, go for it. Although USB2 has a faster transport (480mbps) over Firewire (400mbps), you get better sustained transfer rates over Firewire. this is because Firewire devices have their own controller built onboard to handle transfers, where USB requires your CPU to handle transfers. This makes USB transfers susceptible to dropped frames when the random virus scan (or something else) kicks off. It's also the reason why you can connect cameras to other cameras or decks (without a computer) using Firewire, but can't do that with USB; you MUST use a computer as a go-between with USB.
I like USB, which is fine for direct transfers, but Firewire will give you cleaner results when editing directly on a device or multitasking with editing packages.
My JVC GR-DV500 transfers with both USB 2 and Firewire, but USB support only works with their supplied application. Which is fine by me. For other DV editors, my bet is you have to go firewire to use their DVCAM capture.
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