Dear Walt,
Thanks for quick response and very useful information.
Pratap Singh
On Mon, 10 Feb 2003 Walter Knapp wrote :
>pratap singh wrote:
> > Dear Naturerecordists,
> >
> > I have following two unrelated questions for your kind
>response.
> >
> > 1. Bit perfect transfer and Roland UA30: I am using Roland
>UA30
> > for transferring my recordings (done using Sony TCD-D100
>recoder
> > at 44.1khtz sampling rate). I use 44.1 khtz settings in UA30
>and
> > my pc.I want to know whether the transfer will be bit perfect.
>If
> > not, will there be noticeable degradation of quality?
>
>Going to a pc and the .wav format the bit order will be reversed.
>This
>should not cause problems, but it won't be bit perfect in that
>the order
>will have changed.
>
>There should be no degradation of quality.
>
> > 2. Normal Life of Sony-TCD-D100 head? How can one monitor
>the
> > condition of head? What can be done to increase the life of
> > head?
>
>With rotating drum heads for video, Sony used to give their
>expected
>life in hundreds of hours, but not thousands. Then there was a
>period
>when heads were rated at about 5000 hours. Then the design
>changed yet
>again. Definitely less than the 5000 hour figure.
>
>Best you can do to increase the life of the drum & heads is
>minimize run
>time. That includes heads rotating in pause. And fast
>forward/rewind.
>The enemy is simple mechanical wear and accumulation of debris.
>The
>other thing to do to decrease head wear is use quality tape. And
>clean
>the machine. Typical recommendations are for a cleaning every 10
>- 30
>hours. Cleaning tapes wear the heads, but hand cleaning will not
>if done
>right.
>
>Some links:
>http://www.oade.com/tapers/headwear.html
>http://www.tape.com/techinfo/datclean.html
>
>Walt
>
>
>
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