Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Dan Purgert Newsgroups: alt.os.linux,alt.comp.os.windows-11 Subject: Re: So far OT ..... DVD+R v DVD-R ... What's the difference?? Date: Tue, 18 Feb 2025 12:01:29 -0000 (UTC) Organization: A noiseless patient Spider Lines: 29 Message-ID: References: Injection-Date: Tue, 18 Feb 2025 13:01:30 +0100 (CET) Injection-Info: dont-email.me; posting-host="91aafba02818a0f317ca0db9feda41a7"; logging-data="1777258"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/l5+cU0Yw6J7Nsi8iuxDoTtrC3yrJz89o=" User-Agent: slrn/1.0.3 (Linux) Cancel-Lock: sha1:E7L+kH69EqBcSuefTDZxk3UT4cQ= Xref: csiph.com alt.os.linux:81011 alt.comp.os.windows-11:17197 On 2025-02-18, Daniel70 wrote: > On 17/02/2025 1:45 am, s|b wrote: >> On Mon, 17 Feb 2025 00:39:31 +1100, Daniel70 wrote: >> >>> Which got me thinking ...... What's the difference between DVD-R >>> and DVD+R?? >> >> The main difference between DVD-R+ and DVD-R- formats lies in the >> recording technology and how the discs handle data. >> >> DVD-R (minus): > >> Developed by the DVD Forum. Uses a pre-grooved >> *spiral* for writing data, and the laser writes data in the grooves. > > "spiral"?? Old Records, sure, but I thought CDs/DVDs had multiple actual > rings/tracks!! Yes and no. The data starts at where-ever "ring" near the center, but after that, it just steps over as it reads (ultimately following a long spiral). It's not the same as magnetic media that used discrete cylinders. -- |_|O|_| |_|_|O| Github: https://github.com/dpurgert |O|O|O| PGP: DDAB 23FB 19FA 7D85 1CC1 E067 6D65 70E5 4CE7 2860