Date: Fri, 16 May 1997 21:44:09 +0300 (EEST) From: Petri Helenius <pete@sms.fi> To: oliver.fromme@heim3.tu-clausthal.de (Oliver Fromme) Cc: hasty@rah.star-gate.com (Amancio Hasty), multimedia@FreeBSD.ORG Subject: Re: new cd-da player Message-ID: <199705161844.VAA02474@silver.sms.fi> In-Reply-To: <199705161827.UAA15669@elch.heim4.tu-clausthal.de> References: <199705160849.BAA16914@rah.star-gate.com> <199705161827.UAA15669@elch.heim4.tu-clausthal.de>
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Oliver Fromme writes: > > I guess you are talking about my CD-DA reader called "tosha" > (http://www.heim3.tu-clausthal.de/~olli/tosha/). I am well > aware that it doesn't perform jitter correction at all. > There are several reasons for that: > > - I don't have access to any CD-ROM drive that requires > jitter correction. > - My own CD-ROM drive doesn't work at all with jitter > correction (for example, using the CDDA under DOS, I have > to turn jitter correction off to get it working correctly). > - It is my understanding that all newer CD-ROM drives do not > require jitter correction. This is especially true for > SCSI drives (tosha does not support IDE drives). > > Because of those reasons, I didn't take the trouble to > implement jitter correction. > I have: (ahc0:6:0): "TOSHIBA CD-ROM XM-5401TA 3115" type 5 removable SCSI 2 cd0(ahc0:6:0): CD-ROM cd present [327758 x 2048 byte records] Guess this does not qualify as a 'new' drive since it's only quad-speed and I guess single-speed for CDDA applications. The problem is that I get panic's with 'cdd' application and bad (jittery) data with 'tosha' but no problem actually reading the data. I'm trying to merge parts from tosha and cdd to make a combined utility that would both do jitter correction and work with the freebsd SCSI driver without screwing it up. Pete
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