basic question 03 (Full Version)

All Forums >> [Optical Storage] >> CD, DVD, BD Drives >> Writing Quality


hilander -> basic question 03 (12/11/2004 7:11:11 PM)

Another one
Can we say that writing quality on Hard Disk is better than writing quality on CD-R, DVD-R and DVD+R media as I've never read about writing errors on Hard Disk.

Flash -> RE: basic question 03 (12/11/2004 10:38:48 PM)

If the hard drive is working correctly there will be no errors!
Any hard drive errors usualy means you need a new hard drive

Dolphinius_Rex -> RE: basic question 03 (12/13/2004 1:14:11 PM)

Hard drives have moving parts, and are therefore prone to many types of failures that recordable media is not. It's true that an HDD may out last some CDR/DVDR media, but that isn't always the rule.

I'd had HDD's die on me before... and when HDD's die, they often take MUCH more data with them, then a CDR or DVDR does!! [:(]

Halcyon -> RE: basic question 03 (12/15/2004 9:38:40 AM)

Your question is a good one.

It can scientifically only be answered through statistics.

The important figures are:

1) Number of (and length in bits) of errors per area or span of time (seconds)

2) The effectivity off the Error Detection Circuitry and Error Correction Circuitry in fixing the aforementioned problems

3) 1+2= the amount of unfixable errors errors per area/timeslot

Considering these, I think both can be good.

However, the hard disk has tighter tolerances as it's a known unit of heads/platters.

CD/DVD is a combination of an unknown media and an unknown writer, hence the variance in quality is much larger.

Due to this, I'd say that yes, for writing quality IMMEDIATELY after the writing, hard disks have better writing quality (statistically). Now assuming properly functioning and not broken devices (both hd and discs and burners).

However, as long as one starts to measure the readability of this data after several days, weeks, years, etc... then all bets are off.

Iggy -> RE: basic question 03 (12/15/2004 10:41:47 AM)

The good with a HD is that if there is an error the HD is still working since the defeact sector is been isolated, something like in DVD-RAM.

hilander -> RE: basic question 03 (1/10/2005 9:17:31 PM)

Does music recorded on HD have better quality (dinamic range etc.) than music recorded on CD-R, DVD-R or DVD+R. HD doesn't have jitter at all, is it correct.

Thank you Halcyon
Thank you all

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