Adding the initial version of the startup sound

sounds/make

@@ -2,6 +2,11 @@
 # Copyright 2024 Michael Pozhidaev <[email protected]>
 # The LUWRAIN Project, GPL v.3
 
+./startup.sh
+mv startup.wav _startup.wav
+sox -D _startup.wav startup.wav gain -10
+
+
 ./announce-popup.sh
 mv announce-popup.wav _announce-popup.wav
 sox -D _announce-popup.wav announce-popup.wav gain -22

sounds/startup.sh

@@ -0,0 +1,51 @@
+#!/bin/bash -e
+# Copyright 2024 Michael Pozhidaev <[email protected]>
+# The LUWRAIN Project, GPL v.3
+# Ges major
+
+
+NOTE=30
+DRUM_VOL=-3
+DRUM_DELAY=0.0
+HARM_DELAY=0.12
+HARM_VOL=-5
+BASS=10
+
+cat <<EOF | csvmidi > drum.midi
+0, 0, Header, 1, 2, 480
+1, 0, Start_track
+1, 0, Title_t, "Sound icon"
+1, 0, Text_t, "LUWRAIN sound icon"
+1, 0, Copyright_t, "The LUWRAIN Project"
+1, 0, Time_signature, 4, 2, 24, 8
+1, 0, Tempo, 500000
+1, 0, End_track
+2, 0, Start_track
+2, 0, Instrument_name_t, "MIDI instrument"
+2, 0, Program_c, 1, 118
+2, 0, Note_on_c, 1, $NOTE, 120
+2, 300, Note_off_c, 1, $NOTE, 0
+2, 300, End_track
+3, 0, Start_track
+3, 0, Instrument_name_t, "MIDI instrument"
+3, 0, Program_c, 1, 115
+3, 0, Note_on_c, 1, $NOTE, 120
+3, 300, Note_off_c, 1, $NOTE, 0
+3, 300, End_track
+0, 0, End_of_file
+EOF
+
+timidity -Ow drum.midi
+mv drum.wav _drum1.wav
+sox --norm=$DRUM_VOL _drum1.wav -r 48000 -c 1 _drum2.wav pad $DRUM_DELAY 5 bass $BASS
+sox _drum2.wav -c 2 _drum.wav reverb 85 50 100 100 50 5
+
+sox -D -n -r 48000 -c 2 -b 16 _harm.wav \
+ synth 10 sin %1 sin %4 sin %9 \
+ fade t 0.4 2.0 1.5 \
+ pad $HARM_DELAY 3 \
+ reverb 100 gain $HARM_VOL
+
+sox -D _drum.wav _harm.wav -m _startup.wav
+sox -D --norm=-0.1 _startup.wav -r 44100 startup.wav fade q 0 3 3
+rm -f *.midi _*.wav