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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!news.encore.com!mpalmer
- From: mpalmer@encore.com (Mike Palmer)
- Subject: Re: Sony Mini CD or Philips DCC format for computer DATA?
- Organization: Encore Computer Corporation
- Date: Thu, 17 Dec 1992 16:29:12 GMT
- Message-ID: <BzEwGp.766@encore.com>
- References: <IBE1109.92Dec16134212@etbsun1.draper.com> <92351.152201FWR100@psuvm.psu.edu>
- Sender: news@encore.com (Usenet readnews user id)
- Nntp-Posting-Host: sysgem1.encore.com
- Lines: 35
-
- <FWR100@psuvm.psu.edu> writes:
-
- >In article <IBE1109.92Dec16134212@etbsun1.draper.com>, ibe1109@draper.com (Ira
- >Ekhaus) says:
- >>
- >>Hi,
- >>
- >>my local audio store says that the new Sony miniCD holds 74 minutes
- >>of stereo audio and can be RECORDED onto.
- >>
- >>Now for 16 bit stereo audio without compression that's
- >>74*60*44100*2*2 = 783 216 000
- >>take into account compression factor of (~10) and we're
- >>still talking over 70 Mbytes with a respectable transer rate.
- >>The DCC's numbers are probably pretty similar.
- >>
- >>Does anyone know of plans to use this format as a backup or
- >>distribution format for computer data?
- >>It seems like a good idea, what's up?
-
- >First, as far as I know, _no_ compression is used on audio CD's. It's really
- >700+ MB. Since current audio CD's are approximately as long and CD-ROMs hold
- >620+ MB formatted, these numbers seem about right.
-
- >I haven't heard any announcements for a computer product usind the mini-CDs
- >but I'd be shocked if this isn't on the shelves by next Christmas. The prices
- >I've heard were (correct me if I'm wrong) $750 for the the recorder/player and
- >$16 per disk. If you're using this with a computer, you can remove the
- >digitizing equipment (44KHz 16 bit stereo ADC) and replace it with a SCSI
- >interface. Add $250 because it's a computer product, so for $1000 you've got
- >a 600MB storage device. That's $1.66/MB for the first 600MB, 2.6 cents per MB
- >afterwards.
-
- The audio MD is compressed quite a bit, so I imagine there's only room on the
- disk for perhaps 100Mb of data, but still 100Mb for $16 isn't bad.
-