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#!/usr/bin/raku
# This is a numbers station script
# It converts letters into numbers and says those numbers
#
# Based on the Major System
# 0 : s z
# 1 : t d th
# 2 : n
# 3 : m
# 4 : r
# 5 : l
# 6 : ch g sh c
# 7 : k g ch (like, bach the musician) ck
# 8 : f v
# 9 : p b
# : h j w
#
# I should probably change this as you are supposed to recall the numbers then make a story out of it,
# not the other way around.
#
# This script will need to:
# 1. somehow know the proper puncication of each word ( probably impossible to accurately impliment :(
# 2. convert each word into numbers
# 3. play the sound for each numbers
# 3.1. add a space between each number set
use Audio::PortAudio;
use Audio::Sndfile;
my $audio_location = './audio/';
my $audio_extension = '.wav';
my %numberlist = (1 => <1a 1b 1c>, 2 => <2a 2b 2c>, 3 => <3a 3b 3c>, 4 => <4a 4b 4c>,
5 => <5a 5b 5c>, 6 => <6a 6b 6c>, 7 => <7a 7b 7c>, 8 => <8a 8b 8c>, 9 => <9a 9b 9c>, 0 => <0a 0b 0c>);
# create audio thing
my $pa;
quietly { $pa = Audio::PortAudio.new };
# create audio stream
my Audio::PortAudio::Stream $st;
sub MAIN($text) {
if $text.IO.e {
my $t = w2n(open($text));
print "$t\n";
speak($t);
}
else {
my $t = w2n($text);
print "$t\n";
speak(w2n($text));
}
$pa.terminate;
}
# words to number
sub w2n($file) {
my @n = $file.words;
for @n <-> $word {
$word ~~ s :g:i /(ch)|g|(sh)|c/6/;
$word ~~ s :g:i /s|z/0/;
$word ~~ s :g:i /t|d|(th)/1/;
$word ~~ s :g:i /n/2/;
$word ~~ s :g:i /m/3/;
$word ~~ s :g:i /r/4/;
$word ~~ s :g:i /l/5/;
$word ~~ s :g:i /k|g|ck/7/;
$word ~~ s :g:i /f|v/8/;
$word ~~ s :g:i /p|b/9/;
$word ~~ tr/A..Za..z',//;
# no small numbers ?
if $word.chars == 1 {
$word = '';
}
}
# removing empty elements (yes, this looks dumb)
#dd @n;
loop (my $i = 0; $i < 5; $i++){
my $k = 0;
for @n <-> $e {
if ! $e {
splice(@n, $k, 1);
}
$k++;
}
}
#dd @n;
return @n;
}
sub speak(@a) {
# get ready to stream the audio file
for @a -> $numbers {
#print $elem.raku;
sleep 1;
print ' ';
for breakup($numbers) -> $n {
#print $n;
my $spoken = %numberlist{$n}[].roll;
# load the actual file
my $audio = Audio::Sndfile.new(filename => "$audio_location/$spoken$audio_extension", :r);
#$spoken.say;
$st = $pa.open-default-stream(0, $audio.channels,
Audio::PortAudio::StreamFormat::Float32, $audio.samplerate, 512);
# start ...
$st.start;
loop {
my ($buf, $frames) = $audio.read-float(512, :raw);
try {
$st.write($buf, $frames);
}
last if $frames < 512;
}
$st.close;
# Free up memory?
$audio = Nil;
}
}
}
# returns each char as array
sub breakup($s) {
my @a;
loop (my $i = 0; $i != $s.chars; $i++) {
@a.push( substr($s, $i..$i) );
}
return @a;
}
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