This program will create image of audio file.
This program can only run under the Linux operating system. This program has been tested in Centos 7 Minimal.
Before using this program, you must first install "Lame" and "Sox". Lame is needed to convert the file from MP3 format to WAV format because SoX does not support MP3 format.
To install Lame, download RPM from the repository then install it on your server.
cd /var/development
mkdir /var/development/sox
cd /var/development/lame
curl --location http://downloads.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz > lame-3.99.5.tar.gz
tar zxvf lame-3.99.5.tar.gz
cd lame-3.99.5
./configure
make
make install
cd /var/development/lame
rm -rf lame-3.99.5.tar.gz
rm -rf lame-3.99.5To install SoX, download RPM from the repository then install it on your server.
cd /var/development
mkdir /var/development/sox
cd /var/development/sox
curl --location http://vault.centos.org/7.3.1611/os/Source/SPackages/sox-14.4.1-6.el7.src.rpm > sox.rpm
rpm -Uvh sox.rpm
yum install -y sox
rm -rf sox.rpm<?php
include "AudioToImage.php";
// convert mp3 to wav
shell_exec("lame --decode suara.mp3");
$wave2png = new AudioToImage("suara.wav");
$image = $wave2png->generate_png();
header("Content-Type: image/png");
imagepng($image);
// You can also save image to a file
// i.e.
// imagepng($image, "suara.png");
?>
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