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Re: Features for a new release. (was Re: [Denemo-devel] Midi output faul

From: Richard Shann
Subject: Re: Features for a new release. (was Re: [Denemo-devel] Midi output faulty for whole measure rests in 4/2 time)
Date: Thu, 30 Oct 2008 08:37:21 +0000

Thanks for the information - I'll continue trying to pin down a
particular midi-USB interface.

On Wed, 2008-10-29 at 21:51 +0100, Benoit Rouits wrote:
> There is a standard called usb-midi, and alsa support that standard.
> However, several USB musical keyboards does not conform to this 
> standard. IMHO, it's safer to buy a pure midi keyboard plus a midi to 
> usb-midi interface. I have such an interface: a yamaha UX96 (it's an old 
> model). Such interfaces are not raw cables, they must contain some (even 
> small) electronic components. I think that "Vista" compatible products 
> are true usb-midi (so, work with alsa) since Vista seems to use 
> extensively the usb standards to get rid of buggy drivers.
> hth,
> - Ben
> Richard Shann a écrit :
> > On Wed, 2008-10-29 at 08:11 -0500, Jeremiah Benham wrote:
> >>>> importmidi breaking voices into other staffs 
> >>> (ok - I don't know what this is about, I guess because I have never
> >> used
> >>> importmidi in earnest)
> >> Where you at one time trying to get a midi controller or usb midi
> >> connector for your midi controller? Have you given up on that idea
> >> since
> >> you have the pitch detection working better for you? 
> > It did slip down the priority list as a result of getting the pre-amp.
> > Then it went up again as I discovered the hum was getting in before the
> > pre-amp (it's rather erratic). Then it went down again as I found that
> > if I powered the small Yamaha keyboard via batteries it solved the mains
> > hum problem (naturally).
> > However, I have been tempted by the local supermarket offering a 61-note
> > Yamaha keyboard at a low price - I tend to run out of notes on the small
> > keyboard I have been using. But it doesn't have a USB output, only midi
> > connector, and so I started looking for those, only to find that they
> > are much more expensive. Which I can't really understand, as I see midi
> > to USB conversion cables sold for next to nothing - I don't know what
> > these really do, let alone whether Alsa &c support them... As far as I
> > can make out, there does seem to be some usb/midi standard that allows
> > people to sell usb devices (such as midi controller keyboards) with no
> > software drivers which Linux will support. But whether there is a a
> > simple cable that would take the midi output of my small Yamaha keyboard
> > and plug it into the USB port on the computer I can't figure out. The
> > people selling the cables don't give any details about what they do.
> > Richard
> > 
> > 
> > 
> > 
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> >
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