---
name: "freeaptxdec"
section: "1"
platform: "linux"
package: "freeaptx-utils"
version: "0.2.2-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/freeaptxdec"
---

# freeaptxdec(1)

aptX decoder utility

## NAME

freeaptxdec - aptX decoder utility

## SYNOPSIS

**freeaptxdec** \[**options**\]

## DESCRIPTION

This utility decodes aptX or aptX HD audio stream from stdin to a raw 24 bit signed stereo on stdout

When input is damaged it tries to synchronize and recover

Non-zero return value indicates that input was damaged and some bytes from input aptX audio stream were dropped

## OPTIONS

The program follows the usual GNU command line syntax, with long options starting with two dashes (\`-’). A summary of options is included below.

- **-h**, **--help**

  Display this help

- **--hd**

  Decode from aptX HD

## BUGS

The upstream BTS can be found at https://github.com/iamthehorker/libfreeaptx/issues/new.

## SEE ALSO

[**freeaptxenc**(1)](/freeaptxenc/1.md)

## AUTHOR

- Kentaro Hayashi \<kenhys@xdump.org\>

  Wrote this manpage for the Debian system.

## COPYRIGHT

Copyright © 2021 Kentaro Hayashi

This manual page was written for the Debian system (and may be used by others).

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or (at your option) any later version published by the Free Software Foundation.

On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.