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On 10 Jun 2005, at 9:00 pm, Silvan wrote:
Thinking more broadly, an SB Live! for $20 in a $50 junk computer
could make a
ripping MIDI workstation in some kind of fiscally challenged
educational
environment too.
We buy junk from an outfit down the road called Priceless Computing
(opposite PC World, the expensive but incompetent multinational ("Q:
What's the difference between a computer salesman and a car salesman?
A: The car salesman knows when he's lying to you.")). www.pless.co.uk
- -- stereo soundcard for aforementioned junk computer for the purposes
of demoing rosegarden and animix (it's on sourceforge now) to grant
authorities: UK�7. New. Really. I bought two in the hope that one would
work, and they both did. Worked out of the box (actually, there was no
box! Out of the bag.) with knoppix and ALSA. Probably sonically
inferior to the SBLive! but since it's in the same box as a CPU fan
which sounds like a cow giving birth, I care not :)
Further news:
* UI: Dougie has the pitch graph integrated into the score window now,
at least as a first shot. Still not clear whether an attempt should be
made to put it under the actual notes, as that would make the time axis
monotonic but non-linear (4 semiquavers occupy more space than a
crotchet, at least sometimes).
* Turnkey Ubuntu IBM R50e with Rosegarden currently resident at the
Royal College of Music, London. Reliability of pitchtracker greatly
increased with Spectral Smothing. I bet Dougie's hacked it with a
moving window, but will chastise him until he does something clever
with window functions. A moving average is, after all, a convolution!
The system has been calibrated against Ingrid Pearson (RCM,
Clarinettist) and has found to be at least as accurate as her (which is
very accurate).
* Rosegarden Publicity: Rosegarden gets an antipodean mention at
http://www.ae.unsw.edu.au/programs/lunchHourWorkshops.html
no link unfortunately, but all publicity is good publicity! See
workshop 5. This popped up as the second hit on Google when I was
looking for Ingrid's page!
* Human Voice. Soprano Amanda Morrison
http://www.scottishvoices.org.uk/amanda.html
member of BBC Singers and Scottish Voices tested the pitch tracker
which is now as accurate as she is (which is very accurate). Previously
it was only tested on the voice by having Graham, Dougie and Me
groaning at it.
If Graham gives me a copy and I'm allowed to, we'll have to put his "O
Venezia" up on our streaming server. Not much to do with the pitch
tracker, but it's nice to put audio links in emails rather than html
ones when talking about musicians, I always think :)
Nick/.
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