Article View: comp.sys.acorn.programmer
Article #44Re: Real Audio
From: Robin Watts
Date: Wed, 25 Nov 1998 00:00
Date: Wed, 25 Nov 1998 00:00
37 lines
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2431 bytes
In article <73gge4$nav$1@inkvine.wincoll.ac.uk>, Chris Rutter <URL:mailto:chris@fluff.org> wrote: > arakeen@my-dejanews.com <arakeen@my-dejanews.com> wrote: > > > No, but there almost was. I wanted to do a converter for an > > A-level computing project, but unfortunately Progressive Networks, > > I believe it is, said No, I couldn't. They were very nice about it > > though. I presume if someone were to make it commercialised ie. > > Progressive make loadsa money out of it... > > This isn't strictly true: the protocol used by Progressive's > RealAudio is publically available: Thats not true at all. The *protocol* used to transfer files (the PNA protocol) is proprietry to Real Inc (as Progressive Networks are now known). One of the formats of the files is indeed LD-CELP. > Try searching for an archive called `ld-celp'. Admittedly, I'm not > sure whether this covers all versions or all the tricks that > RealAudio uses, but I've certainly heard of it being used to play > back .ra files. It covers the 28.8kbps codec. That leaves 14.4, dnet, sipr and G2 to do... Robin -- Robin Watts, Email: <mailto:Robin.Watts@wss.co.uk> Warm Silence Software, WWW: <http://www.wss.co.uk/> P.O.Box 28, Woodstock, Tel: 0585 487642 (or Home: 01608 737172) Oxfordshire, OX20 1XX Fax: 01608 737172 Can't stop, Lose job, Mind gone, Silicon, What bomb, Get away, Pay day, Make hay, Break down, Need fix, Big six, Clickity Click, Hold on, Oh no, Brrrrrring bingo!
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 1046d6,e6986428b0b112df X-Google-Attributes: gid1046d6,public X-Google-Thread: 10cbcb,9fecba997b5f4cfc X-Google-Attributes: gid10cbcb,public From: Robin Watts <Robin.Watts@wss.co.uk> Subject: Re: Real Audio Date: 1998/11/25 Message-ID: <ant251116bc852QK@pinknoise.demon.co.uk> X-Deja-AN: 415544607 X-NNTP-Posting-Host: pinknoise.demon.co.uk:194.222.175.148 References: <yqqo7lwue9sa.fsf@hildasay.dcs.ed.ac.uk> <na.932ad648aa.a70150m.allen@argonet.co.uk> <73fl77$k2j$1@nnrp1.dejanews.com> <73gge4$nav$1@inkvine.wincoll.ac.uk> Content-Type: TEXT/PLAIN; CHARSET=US-ASCII X-Complaints-To: abuse@demon.net X-Trace: news.demon.co.uk 912005874 nnrp-07:1166 NO-IDENT pinknoise.demon.co.uk:194.222.175.148 Organization: Warm Silence Software, PO Box 28, Woodstock, OX20 1XX MIME-Version: 1.0 Newsgroups: comp.sys.acorn.programmer,argonet.acorn.voyager