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synthpanel(1)							 synthpanel(1)

NAME    [Toc]    [Back]

     synthpanel	- 16 channel MIDI control panel

SYNOPSIS    [Toc]    [Back]

     synthpanel	[-nofork]

DESCRIPTION    [Toc]    [Back]

     synthpanel	manages	all 16 MIDI channels in	a compact grid of 16 rows. It
     also provides an interface	through	which synthesizer preset banks may be
     added and selected	for use	with midisynth(1).  On startup,	synthpanel
     polls the internal	software synthesizer for its configuration.  Since
     MIDI includes minimal provisions for query, synthpanel is unable to poll
     external MIDI devices. You	can also use synthpanel	to monitor MIDI	data
     played by soundplayer.

MENUS    [Toc]    [Back]

Admin Menu
     Currently contains	only the Exit command.

MIDI Menu    [Toc]    [Back]

     Commands related to MIDI events.  Contains:

     Input Interfaces submenu
	  Contains a menu item for each	available, configured MIDI output
	  port.	 Only one output port may be selected at a time.

     All Notes Off command
	  Sends	a GM All Notes Off message on all 16 channels via the current
	  output port.

     Reset All Controllers command
	  Sends	a GM Reset All Controllers message on all 16 channels via the
	  current output port.

     Restart Synthesizer command
	  Causes midisynth to terminate	immediately;  a	question dialog	will
	  ask if you wish to restart it.  This is a brute-force	technique, and
	  should be reserved for emergency use.	 The previous two commands and
	  the All Sound	Off button are usually sufficient.

     Synth System Reset	command
	  Sends	the equivalent of the standard MIDI System Reset message.
	  This resets midisynth	to its startup state and purges	all loaded
	  banks, presets and sample files.

Options	Menu
     Synth Startup Configuration... command
	  Brings up the	MIDISynth Startup Configuration	Panel, allowing	you to
	  customize the	startup	configuration file for midisynth and save the
	  result to your home directory	as .midisynthrc.  Changes made to the
	  Panel	settings and to	this file will not affect the currently
	  running synthesizer;	use the	above-described	Restart	Synthesizer

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synthpanel(1)							 synthpanel(1)

	  command to restart with the new settings.

     Synth Runtime Parameters... command
	  Brings up the	Run Time Parameters Panel, allowing you	to set the
	  Main Transpose, Main Tune, Reverberation, and	Chorus parameters for
	  the internal synthesizer. These parameters are set via system
	  exclusive MIDI events, and will not affect external MIDI devices.
	  Reverberation	choices	simulate four rooms of varying size.  Reverb
	  decay	time, tone, and	effects	mix ratio may be varied	for each room

     General MIDI Preset Mode toggle.
	  This sends a Universal System	Exclusive MIDI message which toggles
	  the General MIDI mode	setting	of any synthesizer which understands
	  the message.

Sounds Menus    [Toc]    [Back]

     Commands for opening directories in order to view MIDI files,
     synthpreset(4) files, and sound files.

     MIDI Songs	command
	  Brings up a dirview(1) showing the contents of the directory
	  /usr/share/data/music, which is where	the sample MIDI	data files are
	  stored.  Double-clicking on any MIDI file icon will bring up
	  soundplayer(1), which	will play the MIDI file	via midisynth(1).

     Presets submenu
	  Each menu item brings	up a dirview(1)	showing	the contents of	the
	  various subdirectories under /usr/share/data/sounds/synth/presets,
	  which	is where the preset files used by the internal synthesizer are
	  stored. The two commands are General MIDI (GM	presets) and Golden
	  Analog (example presets which	attempt	to immitate analog synthesizer

     Sound Files submenu
	  Each menu item brings	up a dirview(1)	showing	the contents of	the
	  various subdirectories under
	  /usr/share/data/sounds/synth/soundfiles, which is where the sample
	  soundfiles used by the internal synthesizer are stored. The four
	  commands are General MIDI Sound Set (sounds for GM presets), General
	  MIDI Percussion Map (sounds for percussion preset), Cycles (waveform
	  sounds for LFOs), and	Prosonus Sampler (additional demonstration
	  sample sounds).

Utilities Menu    [Toc]    [Back]

     Commands for starting up other useful audio and/or	MIDI applications.

     Audio Control Panel
	  Invokes apanel(1)

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synthpanel(1)							 synthpanel(1)

     Synthesizer Editor
	  Invokes the new syntheditor(1) tool

     MIDI Keyboard
	  Invokes midikeys(1)

	  Invokes soundplayer(1)

MAIN PANEL LAYOUT    [Toc]    [Back]

     Each channel row contains:

     MIDI Input	Activity Indicator
	  The indicator	flashes	on receipt of any MIDI event except System
	  Exclusive, Common and	Real-Time events.  The light does not hold for
	  the duration of a note.  Rather, it flashes briefly for each Note On
	  and Note Off event.

     Channel Activator Button
	  This determines whether the internal synthesizer generates sounds on
	  a particular channel.

     Play Button (note#	60 or C4)
	  Pressing this	button will send a Note	On event on the	selected
	  channel at maximum velocity (127).  Releasing	it sends the
	  corresponding	Note Off.  The pitch cycles through four octaves of
	  the note 'C',	changing with each button press.

     Preset Icon Drop Pocket
	  Dragging a synthpreset(4) file into this pocket will cause that
	  preset to be loaded on the chosen channel.  For the internal
	  synthesizer, this operation can be done independent of the General
	  MIDI mode and	of the current preset bank:  Any arbitrary preset from
	  any directory	may be used.

	  Preset icons will not	change presets on external MIDI	devices	unless
	  you operate in General MIDI mode, in which case synthpanel attempts
	  to extract a number from the beginning of a file name	and transmit
	  that number as a MIDI	program	change.	 See the section PRESET	FILE
	  NAMING CONVENTIONS in	the synthpreset(4) man page for	more
	  information on this.

     Preset Number
	  Typing a number between 1 and	128 in the text	entry field following
	  by the <return> key will cause synthpanel to send a program change
	  event	on the corresponding channel for that number.  Note that this
	  is very different than dropping presets in the pocket:  The
	  resulting preset will	be the corresponding entry in the current
	  preset bank.	If that	bank is	a General MIDI bank, the preset	will
	  match	the GM specification for that number.  For example, preset #73
	  is the Flute preset.	If the current bank is not a GM	bank and does

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synthpanel(1)							 synthpanel(1)

	  not contain a	preset for the number entered, the resulting preset
	  will be the lowest available value from the bank (usually preset 1).
	  If no	number is entered in the text entry field, and the <return>
	  key is pressed, synthpanel will instruct midisynth to	load the
	  Default preset:  One Sawtooth-wave oscillator	with two detuned
	  siblings, controlled by one amplitude	envelope with a	zero-second
	  rise time one-second decay time, and no sustain.  See	the
	  synthpreset(4) man page for details.

     Preset Name Label
	  This label displays the name of the current preset.  For
	  synthpreset(4) files,	this will be the value of the Name: string in
	  the Information section, if present, otherwise synthpanel will
	  create a name	from the file name by clipping off the number prefix,
	  if present, and the ".preset"	suffix,	if present.  For other types
	  of preset files, such	as those found in preset bank files, the name
	  is extracted from the	appropriate data in the	file.

     The More/Less Arrow Button	expands	the channel layout to include MIDI
     Pan, Volume and Expression	indicators.  Actual MIDI channel volume	is
     calculated	by multiplying the Volume and Expression and dividing by 16129
     (127 squared).  This follows the General MIDI Level 1 Specification.
     Standard practice dictates	that the default level for the Volume should
     be	100 and	should be 127 for the Expression.


     The Show/Hide Banks Arrow Button expands the main panel to	include	an
     additional	panel with eight rows.	Each row contains:

     Bank Number and Select Button    [Toc]    [Back]
	  Each button is labeled with the index	number of this preset bank.
	  Selecting a bank un-selects all other	banks and causes all
	  subsequent program change messages to	use presets from this bank.
	  Currently-selected presets will remain unchanged until a program
	  change message is sent on that preset's channel (or a	new preset is
	  dropped into the Preset Drop Pocket).

     Bank Drop Pocket    [Toc]    [Back]
	  Dragging either a directory or a SoundFont2-compatible preset	bank
	  file into this pocket	will either 1) tell the	internal synthesizer
	  to regard that directory as a	holder of 128 +	1 General MIDI
	  synthpreset(4) files or 2) tell the internal synthesizer to load the
	  preset bank file into	its bank library.  This	bank can then be
	  selected via the select button if desired.  If a directory is
	  dropped in the slot, midisynth(1) will not load any of the preset
	  files	until the bank is selected and a program change	event is sent.
	  At that time the internal synth will attempt to locate a preset file
	  which	matches	the requested program number.  See the Preset Icon
	  Drop Pocket description above	for more information.

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synthpanel(1)							 synthpanel(1)

	  The default preset bank is the directory
	  This is installed from the dmedia_eoe.data.synth image on the	IRIX
	  CDROM.  See the midisynth(1) man page	for information	on how to
	  change this and other	default	values.

     Bank Name Label    [Toc]    [Back]
	  The name of the preset bank file, or the last	portion	of the
	  directory name.

OPTIONS    [Toc]    [Back]

	  Print	usage statement.

	  Do not go into the background.  By default, synthpanel forks itself
	  to give control back to the shell.

HARDWARE    [Toc]    [Back]

     synthpanel	works only on Iris Indigo R4000, Indigo2, Indy,	O2, Octane,
     and Onyx/Challenge	machines fitted	with the SGI Audio Option (ASO)	Board.

WARNINGS    [Toc]    [Back]

     Some synthpanel operations	do not control external	MIDI devices because
     the MIDI messages are system exclusive for	the SGI	software synthesizer:
     Main Gain(dB), Main Tune, Reverberation, Channel activate and preset name
     (those that does not start	with numerical characters).  A MIDI program
     change# is	extracted from Synth Preset file names that begin with "XXX_",
     where XXX=	number in range	[1..128]

     The version of the	Synthesizer Panel and Software Synthesizer shipped
     with IRIX 6.5 is incompatible with	earlier	versions of these products.
     Attempting	to use the new 2.0 Panel with an earlier release of midisynth
     (or vice versa) will result in garbled communication and unpredictable

BUGS    [Toc]    [Back]

     There is currently	no way to select GS preset variations via synthpanel,
     even though midisynth(1) will respond to BANK_SELECT MIDI messages	and
     can load GS preset	banks.

SEE ALSO    [Toc]    [Back]

     midisynth(1), midikeys(1),	soundplayer(1),	syntheditor(1),	synthpreset(4)

									PPPPaaaaggggeeee 5555
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