How to enable Apple Lossless playback on the QNAP (AAC, M4A) with SqueezeCenter SSODS.

This page describes how to modify the custom convert configuration file (custom-convert.conf) on a QNAP TS-x09 running SSODS. This change is only applicable if you have Apple Lossless files (AAC, M4A).

Please note these changes are only required on version 3.15 of SSODS - future versions are expected to be supplied without this problem.

The instructions work for us - they may not work for you. Use at your own risk.

Please note that the commands are case sensitive and must be entered eXaCtLy as shown.

1) Download the file custom-convert.conf located here and save in the Public folder on the QNAP

2) Rename the file from custom-convert.conf.txt to custom-convert.conf

3) Use the QNAP Finder application to identify the IP address of the QNAP (e.g.

4) Use a terminal application such as Putty.exe to connect to the QNAP command line interface.

5) Login to the QNAP using the admin user (default password is admin).

6) Backup any existing custom configuration files using the following commands:

On a QNAP TS-109 or single drive TS-209:

cp /volume1/SqueezeCenter/custom-convert.conf /volume1/SqueezeCenter/custom-convert.original

7) Copy the downloaded and renamed file to the SqueezeCenter folder using the following command:

On a QNAP TS-109 or single drive TS-209:

cp /share/HDA_DATA/Public/custom-convert.conf /volume1/SqueezeCenter

On a TS-209 fitted with 2 drives in RAID 1

cp /share/MD0_DATA/Public/custom-convert.conf /volume1/SqueezeCenter

8) Now reboot the QNAP using the command:


9) Wait for the QNAP to reboot then you should find that Apple Lossless AAC and M4A files will now play.

We hope that you find these instructions useful. Please consider purchasing Logitech / Slim Devices equipment from us.

Please let us know if you have any suggestion for improving these instructions.

Acknowledgement to to ProgressiveAV for their original work getting SlimServer on the QNAP platform.