atrac3util
Command-line tool for converting WAV files into LP2 ATRAC3 files. Input WAV files are required to be 44100 Hz, 2 channel, 16 bit and output ATRAC files are encoded as LP2 132 kb/s.
This is a C# .NET port of Treeki's atrac3tool though much has eventually been changed. It being .NET means it's a lot easier to compile on non-Windows platforms and the exe files run anywhere (though ACM still requires Windows/Wine).
Prerequisites
atrac3util uses Sony's ATRAC3 ACM driver for encoding and thus requires the Windows Audio Compression Manager (ACM) API as well as the driver itself.
The ACM API is built into Windows and by extension Wine (msacm32.dll).
Sony's driver (atrac3.acm) will however have to be installed.
The driver can be downloaded from elsewhere on the internet - e.g.
atrac3.acm.
On Windows you'll most like want to find and use the installer.
But if you're running this on Wine, you can copy atrac3.acm into
~/.wine/drive_c/windows/system32/ and/or ~/.wine/drive_c/windows/syswow64/.
And then add a line like msacm.at3=atrac3.acm or
msacm.at3=c:\windows\system32\atrac3.acm to
~/.wine/drive_c/windows/system.ini.
Compile
mcs -out:atrac3util.exe main.cs acm.cs
Usage
To convert a regular WAV file into an ATRAC3 file:
atrac3util.exe my_music.wav my_music.at3
Tip: After conversion you can of course test play your ATRAC3 file in VLC, or transfer them to your NetMD player via netmdcli:
netmdcli send my_music.at3