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cloud_music_no_5.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv='cache-control' content='no-cache'>
<meta http-equiv='expires' content='0'>
<meta http-equiv='pragma' content='no-cache'>
<title>Cloud Music No. 5</title>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="dat.gui.js"></script>
<script src="jquery.js"></script>
<script src="p5.js"></script>
<script src="sprintf.js"></script>
<script src="three.js"></script>
<script src="ace.js"></script>
<script src="tinycolor.js"></script>
<script src="CsoundAudioNode.js"></script>
<script src="CsoundAC.js"></script>
<script src="strudel_embed.js"></script>
<link rel="stylesheet" href="w3.css">
<link rel="icon" href="data:,">
<style>
.w3-container {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
}
.w3-bar {
z-index: 1;
}
</style>
</head>
<body id="body" class="w3-medium w3-text-sand" style="height:100vh;">
<script>
if ('caches' in window) {
caches.keys().then(function (names) {
for (let name of names)
caches.delete(name);
console.log(`deleted ${name} from caches.`);
});
}
</script>
<!------------------------------------------------------------------------
This piece consists of an actual composition, which may include a Csound
orchestra, WebGL, a GLSL shader, JavaScript for generating scores (perhaps
using the CsoundAC library), controls for the user to adjust the settings
of the piece or to control it in real time, license information, and
program notes. These are the parts that need to be written to create a new
piece.
There is also much "infrastructure" code that sets up the user interface,
compiles the Csound orchestra, compiles any GLSL shaders, and handles
all events from the user interface. Most of this code requires little or
no change when writing a new piece.
Non-infrastructure code, the code that makes a piece, can be found between
the lines marked >>>>>>>> and <<<<<<<<< below.
------------------------------------------------------------------------->
<div class="w3-bar " style="position:fixed;background:transparent;">
<ul class="menu">
<li id="menu_item_play" class="w3-btn w3-hover-text-light-green">Play</li>
<li id="menu_item_fullscreen" class="w3-btn w3-hover-text-light-green">Fullscreen</li>
<li id="menu_item_tidal" class="w3-btn w3-hover-text-light-green">Strudel</li>
<li id="menu_item_controls" class="w3-btn w3-hover-text-light-green">Controls</li>
<li id="menu_item_console" class="w3-btn w3-hover-text-light-green">Log</li>
<li id="menu_item_about" class="w3-btn w3-hover-text-light-green">About</li>
</ul>
</div>
<canvas id="display" class="w3-container" style="background-color:black;height:100%;margin:0;padding:0;z-index:0;">
</canvas>
<!-- BEGIN define "Strudel" overlay. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -->
<strudel-repl-component id="tidal_view" class="w3-container"
style="position:absolute;left:70px;top:140px;z-index:1;">
<!--
"[-7*3],0,2,6,[8 7]"
.echoWith(4,1/4, (x,n)=>x
.add(n*7)
.velocity(1/(n+1))
.legato(1/(n+1)))
.velocity(perlin.range(.5,.9).slow(8))
.stack("[22 25]*3"
.legato(sine.range(.5,2).slow(8))
.velocity(sine.range(.4,.8).slow(5))
.echo(4,1/12,.5))
.scale(cat('D dorian','G mixolydian','C dorian','F mixolydian'))
.legato(1)
.slow(5)
.note()
.pianoroll({labels:1,fold:0,scaleauto:1,fill:0,stroke:1,fillActive:1,cycles:32,playhead:.9})
.csoundn("<1 4 9 5>")
-->
</strudel-repl-component>
<!-- END define "Strudel" overlay. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -->
<div id="controls_view" class="w3-container" style="position:absolute;top:70px;z-index:2;background:transparent;">
<form id='persist'>
<table>
<col width="2*">
<col width="5*">
<col width="100px">
<!-- BEGIN Define "Controls" overlay. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -->
<tr>
<td>
<label for=gi_Composition_tempo>Tempo (notes/minute)</label>
<td>
<input class=persistent-element type=range min=2 max=480 value=2 id=gi_Composition_tempo
step=.001>
<td>
<output for=gi_Composition_tempo id=gi_Composition_tempo_output>2</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Guitar_level> 1 Guitar level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=16 id=gk_Guitar_level step=.001>
<td>
<output for=gk_Guitar_level id=gk_Guitar_level_output>16</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_FilteredSines_level> 2 FilteredSines level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=3 id=gk_FilteredSines_level
step=.001>
<td>
<output for=gk_FilteredSines_level id=gk_FilteredSines_level_output>3</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Blower_level> 3 Blower level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-5 id=gk_Blower_level step=.001>
<td>
<output for=gk_Blower_level id=gk_Blower_level_output>-5</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Sweeper_level> 4 Sweeper level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-5 id=gk_Sweeper_level
step=.001>
<td>
<output for=gk_Sweeper_level id=gk_Sweeper_level_output>-5</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Plucked_level> 5 Plucked level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=10 id=gk_Plucked_level
step=.001>
<td>
<output for=gk_Plucked_level id=gk_Plucked_level_output>10</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_FMWaterBell_level> 6 FM Water Bell level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=10 id=gk_FMWaterBell_level
step=.001>
<td>
<output for=gk_FMWaterBell_level id=gk_FMWaterBell_level_output>10</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_YiString_level> 7 Yi String level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-5 id=gk_YiString_level
step=.001>
<td>
<output for=gk_YiString_level id=gk_YiString_level_output>-5</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Harpsichord_level>8 Harpsichord level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-5 id=gk_Harpsichord_level
step=.001>
<td>
<output for=gk_Harpsichord_level id=gk_Harpsichord_level_output>-5</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_ZakianFlute_level> 9 Zakian Flute level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-8 id=gk_ZakianFlute_level
step=.001>
<td>
<output for=gk_ZakianFlute_level id=gk_ZakianFlute_level_output>-8</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Kung4_level>10 Kung instrument 4 level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-8 id=gk_Kung4_level step=.001>
<td>
<output for=gk_Kung4_level id=gk_Kung4_level_output>-8</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Kung2_level>11 Kung instrument 2 level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-8 id=gk_Kung2_level step=.001>
<td>
<output for=gk_Kung2_level id=gk_Kung2_level_output>-8</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_Bower_level>12 Bower level</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=-8 id=gk_Bower_level step=.001>
<td>
<output for=gk_Bower_level id=gk_Bower_level_output>-8</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_ReverbSC_feedback>Reverb delay feedback</label>
<td>
<input class=persistent-element type=range min=0 max=1 value=.8 id=gk_ReverbSC_feedback
step=.001>
<td>
<output for=gk_ReverbSC_feedback id=gk_ReverbSC_feedback_output>.8</output>
</tr>
<tr>
<td>
<label for=gk_ReverbSC_frequency_cutoff>Reverb highpass cutoff (Hz)</label>
<td>
<input class=persistent-element type=range min=0 max=20000 value=12000
id=gk_ReverbSC_frequency_cutoff step=.001>
<td>
<output for=gk_ReverbSC_frequency_cutoff id=gk_ReverbSC_frequency_cutoff_output>12000</output>
</tr>
<tr>
<td>
<label for=gi_ReverbSC_delay_modulation>Reverb delay modulation</label>
<td>
<input class=persistent-element type=range min=0 max=2 value=.05 id=gi_ReverbSC_delay_modulation
step=.001>
<td>
<output for=gi_ReverbSC_delay_modulation id=gi_ReverbSC_delay_modulation_output>.05</output>
</tr>
<tr style="height:1em;"></tr>
<tr>
<td>
<label for=gk_MasterOutput_level>Master output level (dB)</label>
<td>
<input class=persistent-element type=range min=-40 max=40 value=5.928 id=gk_MasterOutput_level
step=.001>
<td>
<output for=gk_MasterOutput_level id=gk_MasterOutput_level_output>5.928</output>
</tr>
</table>
<p>
<!-- END Define "Controls" overlay. <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< -->
<input type="button" id='save' value="Save" class="w3-btn w3-hover-text-light-green" />
<input type="button" id='restore' value="Restore" class="w3-btn w3-hover-text-light-green" />
<input type="button" id='copy' value="Copy" class="w3-btn w3-hover-text-light-green" />
<input type="button" id='paste' value="Paste" class="w3-btn w3-hover-text-light-green" />
<input type="button" id='default' value="Defaults" class="w3-btn w3-hover-text-light-green" />
</form>
</div>
<div id='console_view' class="w3-text-sand"
style="position:absolute;top:70px;z-index:4;width:100vw;height:90vh;background:transparent;color;margin-left:53px;">
</div>
<div id="about_view" class="w3-container "
style="position:absolute;top:70px;z-index:5;background:transparent;color:rgb(255, 255, 200, 67%);max-height: calc(100vh - 70px);overflow-y:auto;">
<!-- BEGIN define "About" overlay. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -->
<h1>Cloud Music No. 5</h1>
<h3>Michael Gogins<br>
October 2022</h3>
<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/"><img alt="Creative Commons License"
style="border-width:0;" src="https://i.creativecommons.org/l/by-nc-sa/3.0/88x31.png" /></a>
<p>This work is licensed under a <a rel="license"
href="http://creativecommons.org/licenses/by-nc-sa/3.0/">Creative Commons
Attribution-NonCommercial-ShareAlike 3.0 Unported License.</a>
<p>This is an online piece of electroacoustic music, rendered in your Web
browser using high-resolution audio. It will play indefinitely, never ending,
always changing.
<p>The faster moving notes in this piece are generated by
<a href="https://strudel.tidalcycles.org/">Strudel</a>, a JavaScript
implementation of Tidal Cycles, which is accessed from a REPL embedded
in this piece -- use the Srudel button to view the Strudel code. The user can
edit the Strudel code that generates the score, and click on the update button
to hear it. Thanks to Felix Roos for helpful hints along the way. Strudel
ends its notes to Csound for synthesis.
<p>The slower moving notes are generated by a 4-dimensional chaotic dynamical
system. The state of the system is mapped to indices of set-type, inversion,
pitch-class transposition, and octavewise revoicing. In short, the chaotic
orbit of this system becomes an unceasing flow of chord progressions.
<p>The notes are played by a Csound orchestra that is embedded in this Web
page using my <a href="https://github.com/gogins/csound-wasm">WebAssembly
build of Csound</a>. This in turn includes my
<a href="https://github.com/gogins/csound-ac">CsoundAC</a> library for
algorithmic composition.
<p>The synthesized audio is then sampled (using a WebAudio Analyzer) to generate
a sine-wave visualization of the music.
<p>Feel free to use this piece as a template for creating new pieces of this
type... as long as it honors the licenses and doesn't sound too much like this
one!
<p>Please report any problems you have playing this piece, or any ideas for
enhancements, at <a href="https://github.com/gogins/cloud-music/issues">
cloud-music issues</a>.
<ul>
<li>To view the source code of this piece, use your browser menu to view the
page source.
<li>To inspect or debug the code of this piece as it runs, use your browser
menu to open the developer tools.
</ul>
<h2>Credits</h2>
<p>The Strudel patch is adapted by me from the original patch by Felix Roos and
is licensed <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">CC BY-NC-SA 4.0</a>.
<p>The StrangeAttractor class in CsoundAC, which computes the 4-dimensional
orbit of a system of 4 coupled ordinary differential equations, uses code
inspired by Julien C. Sprott's book <a
href="https://sprott.physics.wisc.edu/fractals/booktext/SABOOK.PDF"><b><i>
Strange Attractors</i></b></a>.
<p>My code in CsoundAC for working with chords, scales, and voice-leading
implements basic ideas from <a href="http://dmitri.tymoczko.com/">Dmitri
Tymoczko's work in music theory</a>.
<p>Code for compiling and controlling shaders is adapted from <a
href="https://www.shadertoy.com">ShaderToy.com</a>.
<p>The algorithm for downsampling the video canvas is from <a
href="https://skemman.is/bitstream/1946/15343/3/SS_MSthesis.pdf">Sveinn
Steinarsson's MS thesis</a> with code from <a href="https://github.com/pingec/downsample-lttb">
https://github.com/pingec/downsample-lttb</a>.
<p>The music visualization code is adapted from <a href="https://www.shadertoy.com/view/4ljGD1"><b><i>Sound
Sinus Wave</i></b></a>
by <a href="https://www.shadertoy.com/user/Eitraz">Eitraz</a>
<p>Some of the Csound instruments are by me, others are adapted by me from
patches originally written by others as noted in the orchestra.
<p>
<a href="http://michaelgogins.tumblr.com">
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<textarea id="csd" cols=80 rows=24 style="display:none;">
; BEGIN Define Csound orchestra. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
<CsoundSynthesizer>
<CsOptions>
-+msg_color=0 -m34 -d --sample-accurate -f -odac -M 0 --midi-key=4 --midi-velocity=5
</CsOptions>
<CsInstruments>
sr = 48000
ksmps = 128
nchnls = 2
0dbfs = 8
gi_ampmidicurve_dynamic_range init .375
gi_ampmidicurve_exponent init 5
maxalloc 1, 8
maxalloc 2, 8
maxalloc 3, 8
maxalloc 4, 8
maxalloc 5, 8
maxalloc 6, 8
maxalloc 7, 8
maxalloc 8, 8
connect "Blower", "outleft", "ReverbSC", "inleft"
connect "Blower", "outright", "ReverbSC", "inright"
connect "Bower", "outleft", "ReverbSC", "inleft"
connect "Bower", "outright", "ReverbSC", "inright"
connect "FilteredSines", "outleft", "ReverbSC", "inleft"
connect "FilteredSines", "outright", "ReverbSC", "inright"
connect "FMWaterBell", "outleft", "ReverbSC", "inleft"
connect "FMWaterBell", "outright", "ReverbSC", "inright"
connect "Guitar", "outleft", "ReverbSC", "inleft"
connect "FMWaterBell", "outleft", "ReverbSC", "inleft"
connect "FMWaterBell", "outright", "ReverbSC", "inright"
connect "Guitar", "outleft", "ReverbSC", "inleft"
connect "Guitar", "outleft", "ReverbSC", "inleft"
connect "Harpsichord", "outleft", "ReverbSC", "inleft"
connect "Harpsichord", "outright", "ReverbSC", "inright"
connect "Kung2", "outleft", "ReverbSC", "inleft"
connect "Kung2", "outright", "ReverbSC", "inright"
connect "Kung4", "outleft", "ReverbSC", "inleft"
connect "Kung4", "outright", "ReverbSC", "inright"
connect "Plucked", "outleft", "ReverbSC", "inleft"
connect "Plucked", "outright", "ReverbSC", "inright"
connect "Sweeper", "outleft", "ReverbSC", "inleft"
connect "Sweeper", "outright", "ReverbSC", "inright"
connect "YiString", "outleft", "ReverbSC", "inleft"
connect "YiString", "outright", "ReverbSC", "inright"
connect "ZakianFlute", "outleft", "ReverbSC", "inleft"
connect "ZakianFlute", "outleft", "ReverbSC", "inleft"
connect "ReverbSC", "outleft", "MasterOutput", "inleft"
connect "ReverbSC", "outright", "MasterOutput", "inright"
alwayson "ReverbSC"
alwayson "MasterOutput"
gk_Guitar_midi_dynamic_range chnexport "gk_Guitar_midi_dynamic_range", 3 ; 127
gk_Guitar_midi_dynamic_range init 30
gk_Guitar_level chnexport "gk_Guitar_level", 3
gk_Guitar_level init 0
gk_Guitar_space_left_to_right chnexport "gk_Guitar_space_left_to_right", 3
gk_Guitar_space_left_to_right init .5
instr Guitar
; Michael Gogins
; Simple emulation of a Spanish guitar.
; Considerably cleaned up after close listening and systematic testing.
; But I think the plain `pluck` opcode is inherently a bit noisy. The
; waveform is just jagged at first.
i_instrument = p1
i_time = p2
; Make indefinite notes last no longer than the physical decay.
i_physical_decay = 60
if p3 == -1 then
i_duration = i_physical_decay
else
i_duration = p3
endif
i_midi_key = p4
i_midi_dynamic_range = i(gk_Guitar_midi_dynamic_range)
i_midi_velocity = p5 * i_midi_dynamic_range / 127 + (63.5 - i_midi_dynamic_range / 2)
k_space_front_to_back = p6
if p7 ==0 then
k_space_left_to_right = gk_Guitar_space_left_to_right
else
k_space_left_to_right = p7
endif
k_space_bottom_to_top = p8
i_phase = p9
i_frequency = cpsmidinn(i_midi_key)
; Adjust the following value until "overall amps" at the end of performance is about -6 dB.
i_level_correction = 73
i_normalization = ampdb(-i_level_correction) / 2
i_amplitude = ampdb(i_midi_velocity) * i_normalization
k_gain = ampdb(gk_Guitar_level)
i_frequency2 = i_frequency
a_signal pluck 1.0, i_frequency, i_frequency2, 0, 6
a_top_body reson a_signal, 110, 80
a_bottom_body reson a_signal, 220, 100
a_whole_body reson a_signal, 440, 80
a_signal = (.6 * a_top_body + .8 * a_bottom_body + .6 * a_whole_body + .4 * a_signal)
; For testing envelopes with a simple signal that lacks confounding artifacts.
; a_signal oscils .1, i_frequency2, 0
; For testing envelopes with a DC signal (shows only the envelope).
; a_signal = .25
; As with most software instruments that are modeled on an impulse exciting a
; resonator, there should be two envelopes. The "physical" envelope must have a
; fixed decay ending at zero.
i_declick_minimum = .003
i_attack = .001 / i_frequency + i_declick_minimum
i_exponent = 7
a_physical_envelope transeg 0, i_attack, i_exponent, 1, i_physical_decay, -i_exponent, .2
; The de-clicking envelope must have attack and release segments that damp
; artifacts in the signal. The duration of these segments depends on
; the behavior of the instrument, and may vary as a function of frequency.
i_declick_attack = i_attack
i_declick_release = i_declick_minimum * 2
; The end of the note must be extended _past_ the end of the release segment.
xtratim 1
a_declicking_envelope cossegr 0, i_declick_attack, 1, i_duration, 1, i_declick_release, 0
; The envelope of the instrument is the product of the physical envelope times
; the declicking envelope.
a_envelope = a_physical_envelope * a_declicking_envelope
; That envelope is then low-pass filtered to remove most discontinuities.
a_filtered_envelope tonex a_envelope, 40, 4
a_signal = a_signal * i_amplitude * a_filtered_envelope * k_gain *.001
#ifdef USE_SPATIALIZATION
a_spatial_reverb_send init 0
a_bsignal[] init 16
a_bsignal, a_spatial_reverb_send Spatialize a_signal, k_space_front_to_back, k_space_left_to_right, k_space_bottom_to_top
outletv "outbformat", a_bsignal
outleta "out", a_spatial_reverb_send
#else
a_out_left, a_out_right pan2 a_signal, k_space_left_to_right
outleta "outleft", a_out_left
outleta "outright", a_out_right
#endif
prints "%-24s i %9.4f t %9.4f d %9.4f k %9.4f v %9.4f p %9.4f #%3d\n", nstrstr(p1), p1, p2, p3, p4, p5, p7, active(p1)
endin
gk_FilteredSines_level chnexport "gk_FilteredSines_level", 3
gi_FilteredSines_attack chnexport "gi_FilteredSines_attack", 3
gi_FilteredSines_release chnexport "gi_FilteredSines_release", 3
gk_FilteredSines_level init 0
gi_FilteredSines_attack init 1
gi_FilteredSines_release init 1
gi_FilteredSines_bergeman ftgen 0, 0, 65537, 10, .28, 1, .74, .66, .78, .48, .05, .33, 0.12, .08, .01, .54, 0.19, .08, .05, 0.16, .01, 0.11, .3, .02, 0.2 ; Bergeman f1
instr FilteredSines
; Author: Michael Bergeman
; Modified by: Michael Gogins
xtratim gi_FilteredSines_attack + gi_FilteredSines_release
i_instrument = p1
i_time = p2
i_duration = p3
i_midi_key = p4
i_midi_velocity = p5
k_space_front_to_back = p6
k_space_left_to_right = p7
k_space_bottom_to_top = p8
i_phase = p9
i_overall_amps = 166
i_normalization = ampdb(-i_overall_amps) / 2
i_amplitude = ampdb(i_midi_velocity) * i_normalization
i_frequency = cpsmidinn(i_midi_key)
k_gain = ampdb(gk_FilteredSines_level)
kHz = k(i_frequency)
koctave = octcps(kHz)
iattack init gi_FilteredSines_attack
isustain init p3
irelease init gi_FilteredSines_release
idb = 1.5
ip5 = gi_FilteredSines_bergeman
ip3 = 5.0
ip6 = 0.9
ip7 = 1.4
kp8 = cpsoct(koctave - .01)
kp9 = cpsoct(koctave + .01)
isc = idb * .333
k1 linseg 40, ip3, 800, p3, 800, 0.06, 0.0
k2 linseg 440, ip3, 220, p3, 220, 0.06, 0.0
k3 linseg 0.0, ip6, 800, ip7, 200.0, p3, 200, 0.06, 0.0
k4 linseg 800, ip3, 40, p3, 40, 0.06, 0.0
k5 linseg 220, ip3, 440, p3, 440, 0.06, 0.0
k6 linseg isc, ip6, p3, ip7, p3, 0.06, 0.0
k7 linseg 0.0, ip6, 1, ip7, .3, p3, .1, 0.06, 0.0
a5 poscil k3, kp8, ip5
a6 poscil k3, kp8 * 0.999, ip5
a7 poscil k3, kp8 * 1.001, ip5
a1 = a5 + a6 + a7
a8 poscil k6, kp9, ip5
a9 poscil k6, kp9 * 0.999, ip5
a10 poscil k6, kp9 * 1.001, ip5
a11 = a8 + a9 + a10
a2 butterbp a1, k1, 40
a3 butterbp a2, k5, k2 * 0.8
a4 balance a3, a1
a12 butterbp a11, k4, 40
a13 butterbp a12, k2, k5 * 0.8
a14 balance a13, a11
a15 reverb2 a4, 5, 0.3
a16 reverb2 a4, 4, 0.2
a17 = (a15 + a4) * k7
a18 = (a16 + a4) * k7
a_signal = (a17 + a18)
i_attack = .002
i_sustain = p3
i_release = 0.01
xtratim (i_attack + i_release)
a_declicking linsegr 0, i_attack, 1, i_sustain, 1, i_release, 0
a_signal = a_signal * i_amplitude * a_declicking * k_gain * 1.88
#ifdef USE_SPATIALIZATION
a_spatial_reverb_send init 0
a_bsignal[] init 16
a_bsignal, a_spatial_reverb_send Spatialize a_signal, k_space_front_to_back, k_space_left_to_right, k_space_bottom_to_top
outletv "outbformat", a_bsignal
outleta "out", a_spatial_reverb_send
#else
a_out_left, a_out_right pan2 a_signal, k_space_left_to_right
outleta "outleft", a_out_left
outleta "outright", a_out_right
#endif
prints "%-24s i %9.4f t %9.4f d %9.4f k %9.4f v %9.4f p %9.4f #%3d\n", nstrstr(p1), p1, p2, p3, p4, p5, p7, active(p1)
endin
gk_Blower_grainDensity chnexport "gk_Blower_grainDensity", 3
gk_Blower_grainDuration chnexport "gk_Blower_grainDuration", 3
gk_Blower_grainAmplitudeRange chnexport "gk_Blower_grainAmplitudeRange", 3
gk_Blower_grainFrequencyRange chnexport "gk_Blower_grainFrequencyRange", 3
gk_Blower_level chnexport "gk_Blower_level", 3
gk_Blower_midi_dynamic_range chnexport "gk_Blower_midi_dynamic_range", 3
gk_Blower_grainDensity init 90
gk_Blower_grainDuration init 0.2
gk_Blower_grainAmplitudeRange init 100
gk_Blower_grainFrequencyRange init 10
gk_Blower_level init 0
gk_Blower_midi_dynamic_range init 20
gk_Blower_space_left_to_right chnexport "gk_Blower_space_left_to_right", 3
gk_Blower_space_left_to_right init .5
gi_Blower_grtab ftgen 0, 0, 65537, 10, 1, .3, .1, 0, .2, .02, 0, .1, .04
gi_Blower_wintab ftgen 0, 0, 65537, 10, 1, 0, .5, 0, .33, 0, .25, 0, .2, 0, .167
instr Blower
//////////////////////////////////////////////
// Original by Hans Mikelson.
// Adapted by Michael Gogins.
//////////////////////////////////////////////
i_instrument = p1
i_time = p2
i_duration = p3
i_midi_key = p4
i_midi_dynamic_range = i(gk_Blower_midi_dynamic_range)
i_midi_velocity = p5 * i_midi_dynamic_range / 127 + (63.5 - i_midi_dynamic_range / 2)
k_space_front_to_back = p6
if p7 ==0 then
k_space_left_to_right = gk_Blower_space_left_to_right
else
k_space_left_to_right = p7
endif
k_space_bottom_to_top = p8
i_phase = p9
i_frequency = cpsmidinn(i_midi_key)
; Adjust the following value until "overall amps" at the end of performance is about -6 dB.
i_level_correction = 123
i_normalization = ampdb(-i_level_correction) / 2
i_amplitude = ampdb(i_midi_velocity) * i_normalization
k_gain = ampdb(gk_Blower_level)
iHz = i_frequency
ihertz = iHz
ip4 = i_amplitude
ip5 = iHz
ip6 = gi_Blower_grtab
ip7 = gi_Blower_wintab
ip8 = 0.033
ip8 = .002
ip9 = 150
ip9 = 100
ip10 = 1.6
ip10 = 3
idur = p3
iamp = i_amplitude ; p4
ifqc = iHz ; cpspch(p5)
igrtab = ip6
iwintab = ip7
ifrng = ip8
idens = ip9
ifade = ip10
igdur = 0.2
iattack = 0.5
i_sustain = p3
idecay = 1.5
xtratim iattack + idecay
kenvelope transegr 0.0, iattack / 2.0, 1.5, .5, iattack / 2.0, -1.5, 1, i_sustain, 0.0, 1, idecay / 2.0, 1.5, .5, idecay / 2.0, -1.5, 0
; kamp linseg 0, ifade, 1, idur - 2 * ifade, 1, ifade, 0
kamp = kenvelope
; Amp Fqc Dense AmpOff PitchOff GrDur GrTable WinTable MaxGrDur
aoutl grain ip4, ifqc, gk_Blower_grainDensity, gk_Blower_grainAmplitudeRange, gk_Blower_grainFrequencyRange, gk_Blower_grainDuration, igrtab, iwintab, 5
aoutr grain ip4, ifqc, gk_Blower_grainDensity, gk_Blower_grainAmplitudeRange, gk_Blower_grainFrequencyRange, gk_Blower_grainDuration, igrtab, iwintab, 5
a_signal = aoutl + aoutr
i_attack = .002
i_release = 0.01
xtratim i_attack + i_release
a_declicking linsegr 0, i_attack, 1, i_sustain, 1, i_release, 0
a_signal = a_signal * i_amplitude * a_declicking * k_gain
prints "%-24s i %9.4f t %9.4f d %9.4f k %9.4f v %9.4f p %9.4f #%3d\n", nstrstr(p1), p1, p2, p3, p4, p5, p7, active(p1)
#ifdef USE_SPATIALIZATION
a_spatial_reverb_send init 0
a_bsignal[] init 16
a_bsignal, a_spatial_reverb_send Spatialize a_signal, k_space_front_to_back, k_space_left_to_right, k_space_bottom_to_top
outletv "outbformat", a_bsignal
outleta "out", a_spatial_reverb_send
#else
a_out_left, a_out_right pan2 a_signal, k_space_left_to_right
outleta "outleft", a_out_left
outleta "outright", a_out_right
#endif
;printks "Blower i %9.4f t %9.4f d %9.4f k %9.4f v %9.4f p %9.4f #%3d l%9.4f r%9.4f\n", 1, p1, p2, p3, p4, p5, p7, active(p1), dbamp(rms(a_out_left)), dbamp(rms(a_out_right))
endin
gk_Sweeper_midi_dynamic_range chnexport "gk_Sweeper_midi_dynamic_range", 3 ; 127
gk_Sweeper_attack chnexport "gk_Sweeper_attack", 3 ; .125
gk_Sweeper_release chnexport "gk_Sweeper_release", 3 ; .25
gk_Sweeper_britel chnexport "gk_Sweeper_britel", 3 ; 0.1
gk_Sweeper_briteh chnexport "gk_Sweeper_briteh", 3 ; 2.9
gk_Sweeper_britels chnexport "gk_Sweeper_britels", 3 ; 2
gk_Sweeper_britehs chnexport "gk_Sweeper_britehs", 3 ; 1
gk_Sweeper_level chnexport "gk_Sweeper_level", 3 ; 0
gk_Sweeper_midi_dynamic_range init 20
gk_Sweeper_attack init .125
gk_Sweeper_release init .25
gk_Sweeper_britel init .01
gk_Sweeper_briteh init 5
gk_Sweeper_britels init .5
gk_Sweeper_britehs init .5
gk_Sweeper_level init 0
gk_Sweeper_space_left_to_right chnexport "gk_Sweeper_space_left_to_right", 3
gk_Sweeper_space_left_to_right init .5
gi_Sweeper_sine ftgen 0, 0, 65537, 10, 1
gi_Sweeper_octfn ftgen 0, 0, 65537, -19, 1, 0.5, 270, 0.5
instr Sweeper
//////////////////////////////////////////////
// Original by Iain McCurdy.
// Adapted by Michael Gogins.
//////////////////////////////////////////////
i_instrument = p1
i_time = p2
i_duration = p3
i_midi_key = p4
i_midi_dynamic_range = i(gk_Sweeper_midi_dynamic_range)
i_midi_velocity = p5 * i_midi_dynamic_range / 127 + (63.5 - i_midi_dynamic_range / 2)
k_space_front_to_back = p6
if p7 ==0 then
k_space_left_to_right = gk_Sweeper_space_left_to_right
else
k_space_left_to_right = p7
endif
k_space_bottom_to_top = p8
i_phase = p9
i_frequency = cpsmidinn(i_midi_key)
; Adjust the following value until "overall amps" at the end of performance is about -6 dB.
i_level_correction = 34.2
i_normalization = ampdb(-i_level_correction) / 2
i_amplitude = ampdb(i_midi_velocity) * i_normalization
k_gain = ampdb(gk_Sweeper_level)
iattack = i(gk_Sweeper_attack)
irelease = i(gk_Sweeper_release)
isustain = p3
kenvelope transegr 0.0, iattack / 2.0, 1.5, i_amplitude / 2.0, iattack / 2.0, -1.5, i_amplitude, isustain, 0.0, i_amplitude, irelease / 2.0, 1.5, i_amplitude / 2.0, irelease / 2.0, -1.5, 0
ihertz = i_frequency
icps = ihertz
kamp expseg 0.001,0.02,0.2,p3-0.01,0.001
ktonemoddep jspline 0.01,0.05,0.2
ktonemodrte jspline 6,0.1,0.2
ktone poscil3 ktonemoddep, ktonemodrte, gi_Sweeper_sine
kbrite rspline gk_Sweeper_britel, gk_Sweeper_briteh, gk_Sweeper_britels, gk_Sweeper_britehs
ibasfreq init icps
ioctcnt init 3
iphs init 0
a1 hsboscil kenvelope, ktone, kbrite, ibasfreq, gi_Sweeper_sine, gi_Sweeper_octfn, ioctcnt, iphs
amod poscil3 0.25, ibasfreq*(1/3), gi_Sweeper_sine
arm = a1*amod
kmix expseg 0.001, 0.01, rnd(1), rnd(3)+0.3, 0.001
kmix=.25
a1 ntrpol a1, arm, kmix
kpanrte jspline 5, 0.05, 0.1
kpandep jspline 0.9, 0.2, 0.4
kpan poscil3 kpandep, kpanrte, gi_Sweeper_sine
;a1,a2 pan2 a1, kpan
a1,a2 pan2 a1, k_space_left_to_right
aleft delay a1, rnd(0.1)
aright delay a2, rnd(0.11)
a_signal = (aleft + aright)
; As with most software instruments that are modeled on an impulse exciting a
; resonator, there should be two envelopes. The "physical" envelope must have a
; fixed decay ending at zero.
i_declick_minimum = .003
i_attack = .001 / i_frequency + i_declick_minimum
i_declick_attack = i_attack
i_declick_release = i_declick_minimum * 2
; The end of the note must be extended _past_ the end of the release segment.
xtratim 1
a_declicking_envelope cossegr 0, i_declick_attack, 1, i_duration, 1, i_declick_release, 0
; The envelope of the instrument is the product of the physical envelope times
; the declicking envelope.
a_envelope = a_declicking_envelope
; That envelope is then low-pass filtered to remove most discontinuities.
a_filtered_envelope tonex a_envelope, 40, 4
a_signal = a_signal * i_amplitude * a_filtered_envelope * k_gain *.001
prints "%-24s i %9.4f t %9.4f d %9.4f k %9.4f v %9.4f p %9.4f #%3d\n", nstrstr(p1), p1, p2, p3, p4, p5, p7, active(p1)
#ifdef USE_SPATIALIZATION
a_spatial_reverb_send init 0
a_bsignal[] init 16
a_bsignal, a_spatial_reverb_send Spatialize a_signal, k_space_front_to_back, k_space_left_to_right, k_space_bottom_to_top
outletv "outbformat", a_bsignal
outleta "out", a_spatial_reverb_send
#else
a_out_left, a_out_right pan2 a_signal, k_space_left_to_right
outleta "outleft", a_out_left
outleta "outright", a_out_right
outs a_out_left, a_out_right
#endif
endin
gk_Plucked_midi_dynamic_range chnexport "gk_Plucked_midi_dynamic_range", 3 ; 127
gk_Plucked_midi_dynamic_range init 30
gk_Plucked_space_left_to_right chnexport "gk_Plucked_space_left_to_right", 3
gk_Plucked_space_left_to_right init .5
gk_Plucked_level chnexport "gk_Plucked_level", 3
gk_Plucked_level init 50
gi_Plucked_sine ftgen 0, 0, 65537, 10, 1
instr Plucked
; Author: Michael Gogins
i_instrument = p1
i_time = p2
; Make indefinite notes last no longer than the physical decay.
i_physical_decay = 20
if p3 == -1 then
i_duration = i_physical_decay
else
i_duration = p3
endif
i_midi_key = p4
i_midi_dynamic_range = i(gk_Plucked_midi_dynamic_range)
i_midi_velocity = p5 ;* i_midi_dynamic_range / 127 + (63.5 - i_midi_dynamic_range / 2)
i_midi_velocity ampmidid i_midi_velocity, i_midi_dynamic_range
k_space_front_to_back = p6
if p7 == 0 then
k_space_left_to_right = gk_Plucked_space_left_to_right
else
k_space_left_to_right = p7
endif
k_space_bottom_to_top = p8
i_phase = p9
i_detune_cents = 1.5
i_detune = i_detune_cents / 100
i_frequency1 = cpsmidinn(i_midi_key - i_detune)
i_frequency2 = cpsmidinn(i_midi_key)
i_frequency3 = cpsmidinn(i_midi_key + i_detune)
; Adjust the following value until "overall amps" at the end of performance is about -6 dB.
i_overall_amps = 26
i_normalization = ampdb(-(i_overall_amps)) / 2
i_amplitude = ampdb(i_midi_velocity) * i_normalization
k_gain = ampdb(gk_Plucked_level)
asignal1 wgpluck2 0.1, 1.0, i_frequency1, 0.25, 0.222
asignal2 wgpluck2 0.1, 1.0, i_frequency2, 0.20, 0.223
asignal3 wgpluck2 0.1, 1.0, i_frequency3, 0.23, 0.225
a_signal = (asignal1 + asignal2 + asignal3)
; As with most instruments that are based upon an impulse delivered to a
; resonator, there are two envelopes, one for the physical decay with a
; fixed release ending at zero, and one with a release segment to remove
; clicks from the attack and release.
;
; As with most software instruments that are modeled on an impulse exciting a
; resonator, there should be two envelopes. The "physical" envelope must have a
; fixed decay ending at zero.
i_declick_minimum = .001
i_attack = .001 / i_frequency2 + i_declick_minimum
i_exponent = 7
a_physical_envelope transeg 0, i_attack, i_exponent, 1, i_physical_decay, -i_exponent, 0
; The de-clicking envelope must have attack and release segments that damp
; artifacts in the signal. The duration of these segments depends on
; the behavior of the instrument, and may vary as a function of frequency.
i_declick_attack = i_attack
i_declick_release = i_declick_minimum * 2
; The end of the note must be extended _past_ the end of the release segment.
xtratim 1
a_declicking_envelope cossegr 0, i_declick_attack, 1, i_duration, 1, i_declick_release, 0
; The envelope of the instrument is the product of the physical envelope times
; the declicking envelope.
a_envelope = a_physical_envelope * a_declicking_envelope
; That envelope is then low-pass filtered to remove most discontinuities.
a_filtered_envelope tonex a_envelope, 40, 4
a_signal = a_signal * i_amplitude * a_filtered_envelope * k_gain
#ifdef USE_SPATIALIZATION
a_spatial_reverb_send init 0
a_bsignal[] init 16
a_bsignal, a_spatial_reverb_send Spatialize a_signal, k_space_front_to_back, k_space_left_to_right, k_space_bottom_to_top
outletv "outbformat", a_bsignal
outleta "out", a_spatial_reverb_send
#else
a_out_left, a_out_right pan2 a_signal, k_space_left_to_right
outleta "outleft", a_out_left
outleta "outright", a_out_right
#endif
prints "%-24s i %9.4f t %9.4f d %9.4f k %9.4f v %9.4f p %9.4f #%3d\n", nstrstr(p1), p1, p2, p3, p4, p5, p7, active(p1)
endin
//////////////////////////////////////////////
// Original by Steven Yi.
// Adapted by Michael Gogins.
//////////////////////////////////////////////
gk_FMWaterBell_level chnexport "gk_FMWaterBell_level", 3 ; 0
gi_FMWaterBell_attack chnexport "gi_FMWaterBell_attack", 3 ; 0.002
gi_FMWaterBell_release chnexport "gi_FMWaterBell_release", 3 ; 0.01
gi_FMWaterBell_sustain chnexport "gi_FMWaterBell_sustain", 3 ; 20
gi_FMWaterBell_sustain_level chnexport "gi_FMWaterBell_sustain_level", 3 ; .1
gk_FMWaterBell_index chnexport "gk_FMWaterBell_index", 3 ; .5
gk_FMWaterBell_crossfade chnexport "gk_FMWaterBell_crossfade", 3 ; .5
gk_FMWaterBell_vibrato_depth chnexport "gk_FMWaterBell_vibrato_depth", 3 ; 0.05
gk_FMWaterBell_vibrato_rate chnexport "gk_FMWaterBell_vibrato_rate", 3 ; 6
gk_FMWaterBell_midi_dynamic_range chnexport "gk_FMWaterBell_midi_dynamic_range", 3 ; 20
gk_FMWaterBell_level init -8
gi_FMWaterBell_attack init 0.002
gi_FMWaterBell_release init 0.01
gi_FMWaterBell_sustain init 20
gi_FMWaterBell_sustain_level init .1
gk_FMWaterBell_index init .5
gk_FMWaterBell_crossfade init .5
gk_FMWaterBell_vibrato_depth init 0.05
gk_FMWaterBell_vibrato_rate init 6
gk_FMWaterBell_midi_dynamic_range init 20
gk_FMWaterBell_space_left_to_right chnexport "gk_FMWaterBell_space_left_to_right", 3
gk_FMWaterBell_space_left_to_right init .5
gi_FMWaterBell_cosine ftgen 0, 0, 65537, 11, 1
instr FMWaterBell
i_instrument = p1
i_time = p2
i_duration = p3
; One of the envelopes in this instrument should be releasing, and use this:
i_sustain = 1000
xtratim gi_FMWaterBell_attack + gi_FMWaterBell_release
i_midi_key = p4
i_midi_dynamic_range = i(gk_FMWaterBell_midi_dynamic_range)