---
name: "a52dec"
section: "1"
platform: "linux"
package: "a52dec"
version: "0.8.0-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/a52dec"
---

# a52dec(1)

decode ATSC A/52 audio streams

## NAME

a52dec - decode ATSC A/52 audio streams

## SYNOPSIS

**a52dec** \[*-h*\] \[*-s \[track\]*\] \[*-t pid*\] \[*-c*\] \[*-r*\] \[*-o mode*\] \[*file*\]

## DESCRIPTION

\`a52dec' plays ATSC A/52 audio streams. Input is from stdin if no file is given.

- **-h**

  display help and available audio modes

- **-s**

  use program stream demultiplexer, track 0-7 or 0x80-0x87

- **-t pid**

  use transport stream demultiplexer, pid 0x10-0x1ffe

- **-c**

  use c implementation, disables all accelerations

- **-r**

  disable dynamic range compression

- **-o** *mode*

  use audio output driver \`mode'.\
   A list of modes is available using the **-h** option.

## AUTHORS

Michel Lespinasse \<walken@zoy.org\>\
 Aaron Holtzman \<aholtzma@ess.engr.uvic.ca\>\
 And many others on the net.

## REPORTING BUGS

Report bugs to \<liba52-devel@lists.sourceforge.net\>.

## COPYRIGHT

Copyright © 2000-2003 Michel Lespinasse\
 Copyright © 1999-2000 Aaron Holtzman\
 This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

## SEE ALSO

[**extract\_a52**(1)](/extract_a52/1.md)