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Wednesday, December 30, 2009

USB- MIDI cable

I bought one of these cheap USB - MIDI cables on the market. And voila out of the box it worked in Linux Mint 8 and in Linux Ubuntu 9.10. Other versions aren't tested bij me.
I also wanted to use it in Windows XP, but that wasn't possible. The cable was seen and installed, but not visible in the MIDI menu of Cakewalk 9 ( I know it's old, but it does the job I want it to do). In Windows Vista everything went OK.

I fount this solution:
It is a conflict between the driver of a logitec webcan and the driver of this midicable. I had to Manually delete the UpperFilters and LowerFilters registry values. (maybe only one exists at your place)

To Manually delete the UpperFilters and LowerFilters registry values, follow these steps:

1. Start Registry Editor (Regedit.exe).
START > RUN > (Type) REGEDIT (and hit ENTER)

2. Locate the UpperFilters and LowerFilters value under the following key in the registry
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Class\{4D36E96C-E325-11CE-BFC1-08002BE10318}

3. Export the keyvalue and on the Edit menu, click Delete, and then click OK.

Control Panel --> Hardware --> device manager --> in the hardware menu --> sound video and games --> USB audio divice (choose the proper one if you've got more than one),


Wednesday, December 23, 2009

MIDI getting things to work

It was not easy getting midi via ALSA to work and still it's crappy.

I use these programs:

Jack audio connection kit

all these are from the standard Linux Mint repositorys

In Synaptic install these programs:
jackd, libjack0, qjackctl
fluidsynth, fluid-soundfont-GS, fluid-soundfont-GM
rosegarden, rosegarden-data, lilypond

This may take some time. Esp the soundfonts are 110+ Mb.

First start Jackcontrol and Q synth.
press the setup button in Jackcontrol
I filled it in like this:

Press OK and press the connect button:

When this is ready, it's time to configure Qsynth

In Qsynth you need to press the setup button and this menu appears:
You need to alter MIDI, Audio and soundfonts.

Here you need to add the installed soundfonts I mentioned above:

These softfonts should be in this order to get the most out of it.

The start Rosegarden and ignore any errors:

In the audio settings, JACK setup tab its important to have Rosegarden to start JACK if it's not already running.

Now try to start the JACK server by pressing start on the JACK panel. If it doesn't start, you have to adapt the JACK settings. I managed to get it working by trial and error.

Then start Qsynth and when that is running, start Rosegarden and load any midi file and lets play.

Interesting links:

MIDI hardware synth setup
MIDI software synth setup
Official softsynth support
Howto jackCtl connections

Friday, December 18, 2009

Linux display information about installed hardware

here you find all the commands tot reveal the hardware internals of your linux box.

Wednesday, December 16, 2009

Linux Mint 8 sound issue

In Linux Mint 8 some programs have a sound issue on a

Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)

on an older dell machine. This worked:

> gksu gedit /etc/pulse/daemon.conf

change the line
; enable-lfe-remixing = no


enable-lfe-remixing = yes

save and reboot / restart pulseaudio

Monday, December 7, 2009

Linux Mint 8

Out of the box I could use Youtube, Uitzending gemist (TV broadcast streams in the netherlands), MP3, DVD, and all multi media I have. This really is the first Linux distro version I install where everything just works out of the box. The buggy Samba integration that was a problem in previous versions is fixed. Network printing works OK now. I am very happy with this version.

There are many reviews to read on the internet so I won't repeat that. The look and feel is nicer than Ubuntu Karmic offers. Well we shouldn't discuss personal preferences. But as far as I'm concerned the mint people listen even more to the users than ubuntu does.

One thing is a minor issue and that is the installation. It's very slow with gathering info on a system with other installations and doesn't find any personal settings from other OS's. You need to know in what partition to install the OS. The installation program suggests to reformat the whole drive. That's not nice. Esp. for newbys.

But when the installation is done. Linux mint is a mature distribution.