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 /opt 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 /opt rm -rf lame-3.99.5.tar.gz rm -rf lame-3.99.5
To 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
generate_png(); header("Content-Type: image/png"); imagepng($image); // You can also save image to a file // i.e. // imagepng($image, "suara.png"); ?>``