>
> Joe
>

"PTravel" <ptra***@travelersvideo.com> wrote in message
news:z8amh.8708$sR.3616@newssvr29.news.prodigy.net...
>
> "Joe" <a**@xyz.com> wrote in message
> news:12phrmr20t87h65@corp.supernews.com...
>> I'm new to video technology- but every time I go to a store and ask
>> questions, I'm learning something new. At Best Buy, a store tech
>> mentioned, when I asked him the trade offs between tape and hard drive -
>> he said that tape will be preferable if I intend to edit the video since
>> the images on tape are not compressed whereas they are on hard drive.
>> Since the compressed images will need to be uncompressed to edit, then
>> re-compressed if burned to a DVD, I'll be loosing image quality. Is this
>> correct?
>
> Close.  miniDV uses the DV-25 spec, which is non-temporally compressed at
> about 5 to 1.  Hard drisk camcorders use, generally, DVD-compliant mpeg2,
> which is temporally-compressed at, at least, 10 to 1.  Temporal
> compression makes the video harder to edit, unless you're doing only
> simple cuts-only edits.
>
>
>>
>> I understand non video image compression- such as .gif, .tif, and .jpg
>> files- but I have no clue about the formats for video.
>
> Format isn't the only factor that determines video quality.  Lense quality
> and electronics quality will also play as big a part.  For the most part,
> hard-drive cameras are intended for very casual use, are low-end machines
> and don't product high-quality video.  This is not to say that there
> aren't crappy miniDV machines, too -- there are -- but high-end miniDV
> machines produce extremely high-quality video.
>
> Also, Best Buy salespeople are about the worst source for accurate
> technical information.
>
>>
>> Joe
>>
>
>