Datasheet

15.10.4 The ALSA Server Mode of timidity++

To start timidity++ in the ALSA server mode, enter /usr/bin/timidity -iA

-B2,8 -Os &. A message, such as Opening sequencer port: 128:0

128:1, will be displayed, showing the MIDI port by means of which the synthe-

sizer can be addressed (e.g., with vkeybd --addr 128:0). To terminate timid-

ity++, enter killall timidity to kill all timidity++ processes.

15.11 AlsaModularSynth — Synthesizer

and Effect Processor

AlsaModularSynth (from the package alsamodular) is a digital replica of an

analog modular synthesizer. The program has a JACK interface and can load all

kinds of LADSPA effect plug-ins. Thus, it can also be used as a versatile effect pro-

cessor.

Enter ams to start AlsaModularSynth from the command line. The parameter -j

activates the JACK mode, provided the JACK engine jackd is running (see The

JACK Audio Connection Kit on page 187). The required port connections can be

established with QJackConnect. Individual ports are generated for each PCM

module in the JACK mode. AlsaModularSynth only appears in the list of QJack-

Connect if at least one PCM module exists.

The directory usr/share/doc/packages/alsamodular contains numerous

example patches that demonstrate the various possibilities. Detailed documenta-

tion is available in the subdirectory html.

15.11.1 Synthesizer Patch Examples

The application package for AlsaModularSynth provides a selection of patch

examples to allow the user to start working with the application right away.

The folder demos is located in the directory /usr/share/doc/packages/

alsamodular. A few autonomous patches are contained there that generate

interesting random sound loops. The ﬁles concerned begin with example_

ams_demo. Patches containing scope and spectrum in their name feature cor-

responding modules whose visualization can be opened by right-clicking the

module title. Experiment a little, for example, and experience how the charac-

ter of the music changes when the quantization of the Quantizer module (ID 7)

200 15.11. AlsaModularSynth — Synthesizer and Effect Processor