Real Time

Real-Time related information, articles, distributions, etc..

In an audio-related context, some kind of “real-time” is preferable, in order to gain low latencies. (Here, Latency is the time elapsed between audio-input and audio-output (including processing in between). )

The simplest way to obtain lower latency than usual, is to use an optimized linux audio distribution (see below). These generally utilize real-time patched kernels, with additional system optimisations, such as priority settings, etc.

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• http://en.wikipedia.org/wiki/Realtime

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• pure:dyne (debian based)
• studio64 (debian based)
• Planet CCRMA (fedora based)
• jacklab (SuSE based)
• ubuntustudio (debian based)
• Gentoo proAudio
• Slackware m-dist
• Musix
• artistX
• dyne:bolic
• -
• related links:
• lau.linuxaudio.org - list of distributions and lau-info (lau == linux-audio-user)
• condorow.net -- list of distributions
• wikipedia -- list of linux audio distributions
• linuxrockstart -- Quick Linux Audio Distribution Guide

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• Internal Link: realtime kernel
• Real-Time Linux Wiki, with in-depth informations
• (german) Ubuntu Wiki articles, rt related
• (english) Ubuntu Wiki articles, rt related
• Gentoo Pro-Audio wiki: Realtime Kernel
• Esben-Stien.name wiki: Setting up real-time operation
• -

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• debian.net forum - realtime quickie
• linux-club.de - for SuSE/Jacklab
• gimpel - kernel how to for SuSE/Jacklab
• captain.at - Patch Review - Vanilla vs. RT patch comparison
• debian forum (linux 2.6.24)
• sidux-forum (debian) realtime kernel forum discussion and tutorial
• linuxaudio.org: low latency how to (maybe out of date)

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• LinuxJournal.com -- Kernel / Real Time Articles

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• http://www.isd.mel.nist.gov/projects/rtlinux/ (Intelligent Systems Division) This site is a resource for real-time software developers who use Linux.
• http://tapas.affenbande.org/wordpress/?page_id=3 – Misc Infos about Linux, Music, Midi, etc.

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• http://www.realtimelinuxfoundation.org/variants/variants.html - List of Linux Real-Time projects and Distributions
• http://www.ibm.com/developerworks/linux/library/l-real-time-linux/ - (IBM) Anatomy of Real-Time Linux

• http://www.redhat.com/mrg/realtime/ – Redhats MRG Realtime
• http://de.wikipedia.org/wiki/RTAI – wikipedia article: RTAI Linux

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• kernel.org -- Ingo Molnars Real Time Preemtion Kernel Patches
• kernel.org -- Linux Kernel download
• How to optimize JACK (Audio Server)
• How to optimize USB driver modul
• alsa rt-irq info
• rt-irq-script download page

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for Debian (and derived) Distributions:

• goto10.org, pure:dyne, kernels & patches
• goto10.org, kernel files
• ilmainen.net, musix, kernel files

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(page created by Emanuel Rumpf 2008-08-19)

last modified: 2008-08-26

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