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	<title>Sintetitzador midi: timidity - Historial de revisió</title>
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		<id>http://wiki.joanillo.org/index.php?title=Sintetitzador_midi:_timidity&amp;diff=4948&amp;oldid=prev</id>
		<title>Joan: /* timidity i JACK-ALSA */</title>
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		<updated>2010-03-15T22:35:21Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;timidity i JACK-ALSA&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Pàgina nova&lt;/b&gt;&lt;/p&gt;&lt;div&gt;=Previ=&lt;br /&gt;
Diguem els antecedents. Estem amb Ubuntu Jaunty (9.04) beta (no és Ubuntu Studio), i tinc el fluidsynth ben instal.lat, i el jack també (encara que no l'he remenat massa). Busco per Internet un fitxer midi (beethoven-moonlight_sonata.mid), i el primer que vull fer és fer-lo sonar. Faig doble click sobre el fitxer i el sistema em diu que necessita instal.lar un decodificador audio/midi. Per defecte el Ubuntu em diu que m'instal.li el paquet gstreamer0.10-plugins-bad, però precisament falla.&lt;br /&gt;
&lt;br /&gt;
Recordem que estem amb Ubuntu, no pas Ubuntu Studio on tenia, per exemple, el timidity:&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Currently Ubuntu users can't play midi files in standard desktop (not Kubuntu), because there are no music player on ubuntu-desktop, which supports midi format :(&lt;br /&gt;
I'm suggesting to add timidity-interfaces-extra (which contains GTK2+ midi player and depends on TiMidity++ package) until this bounty will be fixed:&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
MIDI, unfortunatlely is not an open file format, so Ubuntu does not support it by defualt. You can enable midi support using EasyUbuntu.&lt;br /&gt;
&lt;br /&gt;
Installation instructions are found at http://easyubuntu.freecontrib.org/HtmlDocs/ch02.html&lt;br /&gt;
&lt;br /&gt;
Note: For the second last step, don't type &amp;quot;sudo python ./easyubuntu.in&amp;quot;. Just type &amp;quot;python ./easyubuntu.in&amp;quot; (without the sudo)&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
$ man timidity&lt;br /&gt;
&lt;br /&gt;
NAME&lt;br /&gt;
       TiMidity++ - MIDI-to-WAVE converter and player&lt;br /&gt;
&lt;br /&gt;
SYNOPSIS&lt;br /&gt;
       timidity [options] filename [...]&lt;br /&gt;
&lt;br /&gt;
DESCRIPTION&lt;br /&gt;
       TiMidity++ is a converter that converts some of MIDI files (supported formats: Standard MIDI files (*.mid), Recomposer files (*.rcp,&lt;br /&gt;
       *.r36, *.g18, *.g36) and Module files (*.mod)) into formatted audio files (e.g. RIFF WAVE).  TiMidity++ uses Gravis  Ultrasound-com‐&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
(Desconnectem el Edirol UA-25EX. Vull fer sonar el midi per la tarja interna del portàtil)&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
$ sudo apt-get install timidity&lt;br /&gt;
$ timidity beethoven-moonlight_sonata.mid&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
i ja sona&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
$ man timidity&lt;br /&gt;
&lt;br /&gt;
NAME&lt;br /&gt;
       TiMidity++ - MIDI-to-WAVE converter and player&lt;br /&gt;
&lt;br /&gt;
SYNOPSIS&lt;br /&gt;
       timidity [options] filename [...]&lt;br /&gt;
&lt;br /&gt;
DESCRIPTION&lt;br /&gt;
       TiMidity++ is a converter that converts some of MIDI files (supported formats: Standard MIDI files (*.mid), Recomposer files (*.rcp,&lt;br /&gt;
       *.r36, *.g18, *.g36) and Module files (*.mod)) into formatted audio files (e.g. RIFF WAVE).  TiMidity++ uses Gravis  Ultrasound-com‐&lt;br /&gt;
       patible  patch  files or Soundfonts (*.sfx, *.sf2) to generate digital audio data from MIDI files.  The digital audio data generated&lt;br /&gt;
       by TiMidity++ can be stored in a file for processing, or played in real time through an audio device.&lt;br /&gt;
       In real time playing, TiMidity++ can show the lyrics contained in KAR or WRD files.&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
Per tant, el timidity funciona com un sintetitzador d'audio.&lt;br /&gt;
&lt;br /&gt;
Que funcioni el timidity no vol dir que ara en fer doble click sobre el fitxer midi ja funcionarà. Estem com abans.&lt;br /&gt;
&lt;br /&gt;
=timidity i JACK-ALSA=&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
$ timidity blues.mid&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
funciona, quan tinc el JACK apagat. Ara bé, si connecto en el QJackctl el vkeybd i el timidity, no se sent res.&lt;br /&gt;
&lt;br /&gt;
1) Is it possible to have JACK and timidity coexist peacefully?&lt;br /&gt;
&lt;br /&gt;
Timidity will cooperate with JACK when timidity option &amp;quot;-Oj&amp;quot; is used instead of &amp;quot;-Os&amp;quot;. So the Timidity server can be started e.g. using command:&lt;br /&gt;
&lt;br /&gt;
Arrenco el JACK i faig:&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
$ timidity -iA -B2,8 -Oj -s 44100&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
TiMidity starting in ALSA server mode&lt;br /&gt;
&lt;br /&gt;
i ara ja connecto el vkeybd al timidity, i ja funciona!&lt;br /&gt;
&lt;br /&gt;
El més pràctic és fer un àlies i ficar-lo en el ~/.bashrc:&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
alias timialsa=&amp;quot;timidity -iA -B2,8 -Oj -s 44100&amp;quot;&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
Ara bé, això implica que el JACK també estigui engegat. Si faig el alias amb l'opció -Os (ALSA), se sent una latència molt important. (?)&lt;br /&gt;
&lt;br /&gt;
El mateix es podria fer, per exemple, amb el mplayer:&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
alias mj=&amp;quot;mplayer -ao jack&amp;quot; (ficar timidity amb suport JACK)&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
{{Autor}}, abril 2009-març 2010&lt;br /&gt;
[[Category: Informàtica Musical]]&lt;/div&gt;</summary>
		<author><name>Joan</name></author>
		
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