humandrums
Joined: 26/01/10
Posts: 178
Loc: liverpool uk
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raspberry pi
#974012 - 04/03/12 08:33 PM
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anyone got one of these?? i wondered if there might be any uses for it in a music capacity
i have no idea what for but for £22 its got to be worth the ask !!
-------------------- www.humandrums.com
online session drumming at realistic prices
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nathanscribe
Joined: 19/01/07
Posts: 716
Loc: Yorkshire, by gum.
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Re: raspberry pi
[Re: humandrums]
#974020 - 04/03/12 09:29 PM
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Hmm, well it runs Linux and has USB 2.0 and Ethernet, so whatever that allows. I doubt
it's particularly speedy and powerful, but you could always code your own stuff...  I've been thinking about one myself - just umming over the pre-order I've been
allocated. As you say, for less than thirty quid it might be a fun punt.
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Folderol
Joined: 15/11/08
Posts: 2551
Loc: Rochester, UK
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Re: raspberry pi
[Re: humandrums]
#974034 - 04/03/12 11:13 PM
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FWIW, in 1990 there was a synth program written for the Acorn Archimedes that directly
addressed the AD converter (that passed for a sound chip). It directly scanned the
computer keyboard so could handle about 5 note polyphony. It had ADSR envelopes for both
amplitude and pitch, as well as tremolo and vibrato, and the waveshape was additive,
fundemental and the first 10 harmonics. It really sounded quite presentable. Oh, and that was on an Arm2 chip running at 8MHz  I don't think the Raspberry Pi would have any difficulty doing the same!
-------------------- It wasn't me!
(Well, actually, it probably was)
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jellyjim
active member
Joined: 15/05/02
Posts: 2957
Loc: uk
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Re: raspberry pi
[Re: humandrums]
#974045 - 05/03/12 12:38 AM
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"Overall real world performance is something like a 300MHz Pentium 2, only with much, much
swankier graphics." More welly than similar embedded platforms such as the
Arduino but still quite modest. That said we were wetting our knickers over 300MHz Pentium
2's once upon a time and doing useful music while they dried out on the radiator.
-------------------- Original artwork and unique devices inspired by vintage technology http://www.thisisobsolete.com
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nathanscribe
Joined: 19/01/07
Posts: 716
Loc: Yorkshire, by gum.
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Re: raspberry pi
[Re: humandrums]
#974076 - 05/03/12 09:42 AM
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... and with 256MB of RAM, it's a pretty decent match for one!
I wouldn't like
to guess how well it would handle audio itself, so my gut feeling is it would be better at
sequencing. I wonder if there'd be any way to hook up a sound card?
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humandrums
Joined: 26/01/10
Posts: 178
Loc: liverpool uk
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Re: raspberry pi
[Re: humandrums]
#974109 - 05/03/12 11:28 AM
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interesting times indeed! im not a coder at all and ive not really used linux, i tried
installing the red hat version of it once back in the day on a machine i had but um that
didnt go to well lol, my son is very interested in the games market after seeing my cousin
doing so well he has worked on crysis 2 and a few other big titles as the art manager, so
he has been talking about them with his friends, i even wondered about using it say like a
guitar fx unit that kind of thing, if it has usb on it surely it could be hooked up to a
decent sound interface?
-------------------- www.humandrums.com
online session drumming at realistic prices
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DGL.
Joined: 28/10/11
Posts: 239
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Re: raspberry pi
[Re: humandrums]
#974251 - 05/03/12 07:35 PM
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I'm thinking of getting one of these just to run RISC OS again (there is a free version
for it). And don't forget that RISC OS has a BBC Basic interpreter built in!
Thought
that it would make either a good thin client or a small basic internet machine.
Also, if I remember correctly, at school we had an A7000 with a midi interface so mabey
it might be useable as midi sequencer
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fingers109
Joined: 23/04/07
Posts: 8
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Re: raspberry pi
[Re: humandrums]
#974313 - 06/03/12 12:53 AM
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Think around half the power of an ipad. Stick a 32gb sdcard in it and it should make a
good sample player! I'm dreaming of omnisphere on 4 pi's networked together  Oh the possibilities 
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grab
Joined: 08/07/07
Posts: 2626
Loc: Cambridge, UK
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Re: raspberry pi
[Re: humandrums]
#974330 - 06/03/12 09:23 AM
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Obviously it won't do it out of the box, but I think there's mileage in one of these being
turned into a standalone VST/VSTi box. Muse Receptor is serious money, the SMPro is
rumoured to have stability issues, and laptops are laptops. Could be an interesting
project.
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Billum
Joined: 02/05/08
Posts: 281
Loc: London
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Re: raspberry pi
[Re: humandrums]
#974364 - 06/03/12 11:02 AM
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Sample player sounds like an excellent application for live, or installations, etc. Another possibility might be building a custom control surface for DAWs or VSTi's
- or the above mentioned sample player. Er, that would be a 'musical instrument' in its
own right, perhaps.... 
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OneWorld
Joined: 07/04/09
Posts: 1566
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Re: raspberry pi
[Re: humandrums]
#974627 - 07/03/12 07:50 PM
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Hardest thing seems to be how to get hold of one! What power supply do they use? has lots
of potential uses, as mentioned VST host, sample player, mini-synth etc etc
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nathanscribe
Joined: 19/01/07
Posts: 716
Loc: Yorkshire, by gum.
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Re: raspberry pi
[Re: OneWorld]
#974631 - 07/03/12 08:49 PM
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Takes power from mini-USB - just 1W at 5V. If you want one, RS and Farnell are handling
distribution and pre-orders for upcoming batches. Head over and register your interest,
and they e-mail back with an order opportunity when the window for your batch is open.
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OneWorld
Joined: 07/04/09
Posts: 1566
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Re: raspberry pi
[Re: humandrums]
#974697 - 08/03/12 10:07 AM
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Thanks for the heads up, I'll get over to the site and register. Or might wait till the
Chinese make one and they'll be in the £Shop before long :-)
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zenguitar
active member
Joined: 05/12/02
Posts: 7613
Loc: Devon
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Re: raspberry pi
[Re: humandrums]
#974856 - 09/03/12 12:45 AM
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I'm a recent arduino convert. And that's more than enough to get my head around. But to be
fair, I think the arduino and raspberry pi are aimed at different objectives. The
raspberry pi is aimed at getting kids to learn to program, the arduino is aimed at
physical devices. Andy 
-------------------- When the going gets weird, the Weird turn Pro.
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ConcertinaChap
Joined: 20/07/05
Posts: 1848
Loc: Bradford on Avon
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Re: raspberry pi
[Re: zenguitar]
#974871 - 09/03/12 09:24 AM
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Actually if you read through the blogs, one of the designers of the R.Pi said that one of
their design objectives was for it to be suitable for control applications, and indeed he
said that he liked the idea of it being used with the Arduino and similar devices when the
Arduino runs out of processing grunt. CC
-------------------- Put the fun back into dysfunctional.
Mr Punch's Studio
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grab
Joined: 08/07/07
Posts: 2626
Loc: Cambridge, UK
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Re: raspberry pi
[Re: zenguitar]
#974889 - 09/03/12 10:33 AM
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There's some general-purpose I/O pins available on the Raspberry Pi, so it's certainly
possible.
I think they've missed a trick though. There are a *lot* of Arduino
shield boards available to add I/O features, and it's basically the only game in town for
expansion boards (because the Arduino itself was the only game in town). It's a shame
that the Raspberry Pi folks haven't used the "shield" layout for their GPIO pins, bcos
that would instantly have enabled people to use it with all these existing shield boards.
Instead, anyone wanting to use the Raspberry Pi GPIO needs to be able to construct their
expansion stuff from scratch, which is a massive learning curve, instead of being able to
slot in an shield board to let them immediately control a motor (or whatever) to learn
about this stuff, and then work backwards to find how the shield board works.
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