home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Club Amiga de Montreal - CAM
/
CAM_CD_1.iso
/
files
/
070.lha
/
README.proff
< prev
next >
Wrap
Text File
|
1988-08-09
|
6KB
|
284 lines
.de RED
.wr 155"33m"
.en
.de BLACK
.wr 155"31m"
.en
.de BLUE
.wr 155"32m"
.en
.de BOLD
.wr 155"1m"
.en
.de BOLDOFF
.wr 155"0m"
.en
.de UNDERLINE
.wr 155"4m"
.en
.de UNDERLINEOFF
.BOLDOFF
.en
.de RESET
.wr 155m
.en
.de CURSOROFF
.wr 155"0 p"
.en
.de CURSORON
.wr 155" p"
.en
.in 0
.rm 77
.ce 1
.ap
.np
.CURSOROFF
.UNDERLINE
SYNTHIA DEMO DISK
.UNDERLINEOFF
This is a demo of
.RED
SYNTHIA
.BLACK
, a high performance synthesizer available soon from:
.BOLD
.ce 2
The Other Guys
1-800-942-9402 (Ordering)
.BOLDOFF
Two of several modules are included on this disk. They are fully functional
with the exception of the SAVE functions which has been replaced with ABOUT SYNTHIA.
The release version saves instruments in
.RED
IFF
.BLACK
format.
.UNDERLINE
OPERATING INSTRUCTIONS FOR SYNTHIA DEMO
.UNDERLINEOFF
.in +3
To operate the Synthia disk:
.in +3
.RED
1.
.BLACK
Load Kickstart 1.2. (1.1 should work but is untested)
.RED
2.
.BLACK
Place the
.RED
Synthia
.BLACK
disk in df0:. It will boot to
.RED
Workbench.
.RED
3.
.BLACK
Open
.RED
Synthia
.BLACK
's disk icon.
.RED
4.
.BLACK
Select the
.RED
String
.BLACK
icon.
.RED
5.
.BLACK
When the
.RED
Plucked String
.BLACK
window appears, select the
.RED
DO SOUND
.BLACK
gadget. When
the BUSY pointer changes back to the standard pointer, the AMIGA keyboard can
be used to play the instrument or the KEYBOARD gadget can be selected.
.in -3
Various parameters can be changed by using the Synthia gadgets. Use the DO SOUND
gadget to implement the parameter changes that have been made on the main screen
and the SPECIAL EFFECTS screens.
.BOLD
NOTE:
.BOLDOFF
Defaults are set for the Plucked String design.
.BOLD
NOTE:
.BOLDOFF
REPEAT FINE and REPEAT COURSE change the repeats without selecting DO SOUND.
.BOLD
NOTE:
.BOLDOFF
The other module (ADDITIVE) in Synthia has defaults set and can be selected.
(The defaults for the SPECIAL EFFECTS are set for the Plucked String instrument
default.)
.BOLDOFF
.in -3
.UNDERLINE
Brief description of SYNTHIA:
.UNDERLINEOFF
.in +3
Synthia is a high performance synthesizer. It provides a musician with a means
of creating musical instruments to a precision which is difficult to match with
hardware based synthesizers. It uses the IFF format for compatibility with other
musical and sound effects products (digitizers, video managers etc.).
Synthia was not based on an existing synthesizer. Instead Synthia attempts to
synthesize real instruments. Since Synthia uses a computer, much more interaction
is possible than with a traditional synthesizer. This allows much greater precision
to be used when creating instruments.
State of the art algorithms are implemented in Synthia. This allows a breakdown
of Synthia into different modules, each with its own strengths and weaknesses.
The modules implemented at this time are:
.in +3
1.
.RED
Synthia
.BLACK
- a traditional subtractive synthesis package. A waveform is repeated
through the sound and modified with filtering, frequency, phase, amplitude
modulation, and other effects. Great for most 'traditionally synthesized' instruments.
2.
.RED
Additive
.BLACK
- an additive synthesis package. Works by mixing a changing amount
of the first 16 harmonics of a waveform, usually a sine wave. Can be used to
create just about any type of sound possible.
.RED
This module is included in the
demo.
.BLACK
3.
.RED
Interpolative
.BLACK
- interpolates between 8 waveforms over the duration of the sound.
Not as accurate as Additive but is excellent for most percussive musical sounds
such as the piano. It introduces some imperfection which sounds very nice in
some circumstances.
4.
.RED
String
.BLACK
- our pride and joy. Does guitars, basses, and about any type of plucked
string possible. It has very little overhead considering it generates one of
the more difficult types of instruments to simulate. It uses a new algorithm
to accomplish this.
.RED
This module is included in the demo.
.BLACK
5.
.RED
Percussion
.BLACK
- simulates several families of percussive instruments. Uses a
new algorithm to generate more realistic percussion.
.in -3
Synthia uses a waveform editor to design waveforms, envelopes and tables for
various parameters. It features harmonic, Chebyshev polynomial, linear, and spline
generation. Several waveforms are also available. The user may also draw a waveform
if desired.
Synthia also has several modules for modifying an existing sound. The modules
are:
.in +3
1.
.RED
Filter
.BLACK
- for wow effects etc. Supports highpass, lowpass, bandpass, and band
limit filtering.
2.
.RED
Amplifier
.BLACK
- for making the sound louder or softer. It is a clipping amplifier
so it can generate distortion effects as well.
3.
.RED
Amplitude Modulation
.BLACK
- like an ADSR generator on most synthesizers, but uses
a Synthia envelope which allows 256 point precision envelopes.
4.
.RED
Reverb
.BLACK
- true reverb. This module was designed knowing that an echoed sound
is NOT identical to the original. It is modified with a frequency dependent phase
shift to resemble true echoes. Also has a filter for simulating concert hall
effects. Feedback and level are independent of each other.
5.
.RED
Flang
.BLACK
- called Phasing on some systems . This is a modulated phase shift (or
comb filter) effect.
6.
.RED
Non-Linear Distortion
.BLACK
- called Wave Shaping or Non Linear Processing on other
systems. This changes the harmonic content of a sound based on its amplitude
etc. Trumpets, flutes, and many other instruments can be simulated by amplitude
modulating a sine wave and passing it through this module. Fuzz effects can also
be created with this module. Chebyshev polynomials provided in the waveform editor
provide control over this module.
.in -3
A couple more modules are planned for the release version.
.in -3
.UNDERLINE
Compatablility
.UNDERLINEOFF
.in +3
The following products have been tested with Synthia generated instruments:
.RED
.nf
Deluxe Music Instant Music Deluxe Video
Sonix Music Studio (with IFF conversion)
Soundscape Pro Midi Studio
.fi
.BLACK
Synthia should be compatible with many others.
Synthia also allows modification of digitized sounds, so it is a perfect companion
to any hardware product that create sounds.
.RESET
.CURSORON