Re: Ever-more multitrack questions


"Jeff Wexler" <jw@xxxxxxxxxxx> wrote in message
news:jw-9D5B8A.16514516012006@xxxxxxxxxxxxxxxxxxx
> In article <BFF14359.1C89F%XXsound@xxxxxxxxxxxxxxxx>,
> "Karl W. Lohninger" <XXsound@xxxxxxxxxxxxxxxx> wrote:
>
>> Jeff, my understanding is that when 'burning directly from the 744 to
>> your
>> computer's burner' the files are not copied to your computer's hard
>> drive.
>
> We're still kind of dancing around this one and I still think it is
> primarily a semantic issue. Courtney, could you please chime in here to
> explain this more clearly?
>

No Jeff it is more than a semantic difference. There are 3 ways to burn a
disk from your 744T.
They all involve the Laptop (for now) but they all don't involve the Hard
Drive on the Laptop.
You can use your laptop's burning software to Burn a DVD or CD directly from
the 744T Hard drive (as if the sound files were sitting on another Hard
drive in your laptop) It doesn't have to cache on your laptop's hard drive
first unless you decide to copy it all over then burn from the copied
files. You can also pull the CF card out of the 744t and put that in your
laptop and burn from that (if it is fast enough CF Ram and your burn speed
is not too fast) Caching to the hard drive only is necessary when either
the source and the destination are the same drive, or the source drive is
too slow to keep up with the destination drive causing buffer underrun. That
doesn't happen much anymore since most Disk Burners have a feature that lets
them turn the laser off then back on and re-sync to continue burning when
the data is available.(burn proof feature)

The 2 step process you described, (copying the files to the Laptop Hard
drive First then burning the Optical disk from that copy takes almost 50%
longer than just burning the Disk from the Firewire mounted 744t, but you do
end up with an additional archive copy on your laptop's Hard drive.


>> I just wanted to make sure that there is no need to copy the files first
>> because it takes an awful lot of time to do that with the firewire
>> protocol
>> of the 744 still a bit on the slow side.
>
> The Firewire protocol is still needed no matter what part of this
> routine we have described properly or not --- Firewire, if that is the
> connection that is being used, is the only way the host computer can use
> the files residing on the 744T drive. It has to transfer them, copy
> them, pull them across, something, to have them be accessible to the
> other media you wish them to be on --- in this case some blank optical
> disk sitting in your computer's disk drive waiting to be burned. Have I
> got something wrong here?
>>
Yes a bit. Firewire is used only if you want to access the files on the
Hard Drive in the 744T.
Since the 744T will also mirror to CF card and HD simultaneously, I just
swap out the 1 Gig CF card when it gets
about 70% full and continue recording on the 744t. with a fresh CF card in
place .Then I mount the almost full CF card on a USB2 adaptor on my laptop
and burn a CD from directly from the CF Card. That card can then be erased
(usually the next day or 2) and returned to the recording loop.

By the way BWF-Widget Pro does not divide Poly Files to Mono. (currently)
The free Fostex utility will do it nicely and preserve all the metadata. Or
you could just put your 744T in Mono BWF mode which records each channel as
a separate file with the same time code. Then just burn all the track #1
files to the Telecine disk and burn the rest to a separate DVD for post.


---Courtney




.

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