SSR(1) User Commands SSR(1)

SSR - manual page for the DCA renderer

ssr-dca [OPTIONS] <scene-file>

The SoundScape Renderer (SSR) is a tool for real-time spatial audio reproduction providing a variety of rendering algorithms.

Load HRIRs for binaural renderer from FILE
Truncate HRIRs to length N
Load WFS prefilter from FILE
Ambisonics order to use for AAP (default: maximum)
Use in-phase rendering for AAP renderer

Set JACK client name to NAME
Input port prefix (default: "system:capture_")
Output port prefix (default: "system:playback_")
Use JACK in freewheeling mode

Read configuration from FILE
Load reproduction setup from FILE
Number of audio threads (default: auto)
Record the audio output of the renderer to FILE
Exponent that determines the amplitude decay (default: 1) (disabled at compile time!)
Loop all audio files
Correction of the master volume in dB (default: 0 dB)
Don't auto-rotate sound sources' orientation toward the reference
Start IP server (not enabled at compile time!)
Don't start IP server (default)
Start WebSocket server (not enabled at compile time!)
Don't start WebSocket server (default)
Start FUDI server (not enabled at compile time!)
Don't start FUDI server (default)
Wait for another SSR instance to connect
Don't follow another SSR instance (default)
Start GUI (not enabled at compile time!)
Don't start GUI (default)
Select head tracker, possible value(s): fastrak patriot razor
Port name/number of head tracker, e.g. /dev/ttyS1
Don't use a head tracker (default)
Show help and exit
Increase verbosity level (up to -vvv)
Show version information and exit

Matthias Geier, Jens Ahrens

Sascha Spors

Peter Bartz, Florian Hinterleitner, Torben Hohn, Christoph Hohnerlein, Christoph Hold, Lukas Kaser, André Möhl, Till Rettberg, David Runge, Fiete Winter, IOhannes m zmölnig

Katharina Bredies, Jonas Loh, Jens Ahrens

Fabian Hemmert

Report bugs to: <>
SSR home page:

Copyright © 2016 Division of Applied Acoustics, Chalmers University of Technology
Copyright © 2014 Institut für Nachrichtentechnik, Universität Rostock
Copyright © 2012 Quality & Usability Lab, Telekom Innovation Laboratories, TU Berlin

License GPLv3+: GNU GPL version 3 or later
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

February 2023 SoundScape Renderer 0.6.0