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2.6 series, whose initial latency performance had been disappointing compared to the older 2.4 series. Real-time tuning work culminated in numerous scheduling improvements to the mainline kernel and the creation of an -rt branch for more intrusive optimizations in the release 2.6.24, and later the
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as a complete drop-in replacement provider for JACK clients, mapping JACK API calls to equivalent PipeWire calls. If used as a replacement for ALSA and PulseAudio as well, it can unify the different sound servers and APIs that might be typically found on a machine, and allow better integration
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The JACK API is standardized by consensus, and two compatible implementations exist: jack1, which is implemented in plain C and has been in maintenance mode for a while, and jack2 (originally jackdmp), a re-implementation in C++ originally led by Stéphane Letz, which introduced multi-processor
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between different software. PipeWire also claims to add a number of features and fix a number of limitations compared to JACK. The use of PipeWire as the default implementation of JACK is the default on
378:, JACK daemon is an "audio daemon", i.e. it does mixing of audio from applications via software. For this it assumes to have exclusive access to the kernel's audio sub-system.
314:. Additionally, a dummy driver (useful if no sound output is desired, e.g. for offline rendering) and an Audio-over-UDP driver exist. One or both implementations can run on
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connections for both audio and MIDI data between applications. JACK was developed by a community of open-source developers led by
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658:"Original announcement of a voluntary pre-emption patch for the Linux 2.6 kernel series by Ingo Molnar, 2004"
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262:(who won an Open Source Award in 2004 for this work) and has been a key piece of infrastructure and the
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requirements of JACK to achieve sufficiently low latencies were one of the driving forces behind the
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for professional audio software on Linux since its inception in 2002. The server is
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scalability and support for operating systems other than Linux.
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Professional sound server daemon for Unix-like operating systems
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409:Category:Audio software with JACK support
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274:, while the library is licensed under
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512:"JACK Audio Connection Kit - License"
457:Comparison of free software for audio
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428:Free and open-source software portal
349:The JACK API is also implemented by
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780:Application programming interfaces
14:
581:"JACK - Wiki - PipeWire/pipewire"
606:"FAQ - Wiki - PipeWire/pipewire"
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74:v0.126.0 / January 15, 2022
518:from the original on 2021-05-03
92:v1.9.22 / February 3, 2023
448:– sound server for desktop use
403:Applications with JACK support
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452:List of Linux audio software
390:optimization effort for the
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233:JACK Audio Connection Kit
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20:JACK Audio Connection Kit
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397:CONFIG_PREEMPT_RT patch
355:backwards compatibility
94:; 19 months ago
728:"Real-Time Linux Wiki"
539:. techrepublic.com.com
462:ASIO free alternatives
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366:Low-latency scheduling
290:JACK can be used with
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76:; 2 years ago
243:) is a professional
795:Free audio software
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630:Larabel, Michael.
610:PipeWire on GitLab
585:PipeWire on GitLab
442:– APIs for plugins
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35:Original author(s)
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392:Linux kernel
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310:as hardware
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250:and pair of
245:sound server
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188:Sound server
48:Developer(s)
712:17 February
688:17 February
664:17 February
642:11 February
615:11 February
590:11 February
565:17 February
256:low-latency
800:Linux APIs
774:Categories
732:Kernel.org
660:. lkml.org
522:2021-06-08
494:2012-01-08
468:References
446:PulseAudio
407:See also:
384:scheduling
376:PulseAudio
260:Paul Davis
136:Written in
127:/jackaudio
117:Repository
99:2023-02-03
81:2022-01-15
40:Paul Davis
388:real-time
312:back-ends
300:CoreAudio
296:PortAudio
217:jackaudio
204:Library:
52:JACK team
636:Phoronix
516:Archived
414:See also
351:PipeWire
199:Server:
340:OpenBSD
336:FreeBSD
328:Windows
324:Solaris
212:Website
195:License
172:Windows
168:Solaris
97: (
79: (
738:8 June
543:24 May
481:"JACK"
438:&
436:LADSPA
360:Fedora
344:NetBSD
252:daemon
129:/jack2
123:github
89:JACK2:
71:JACK1:
707:(PDF)
683:(PDF)
489:Ohloh
374:Like
320:macOS
316:Linux
304:FFADO
164:macOS
160:Linux
740:2010
714:2010
690:2010
666:2010
644:2021
617:2021
592:2021
567:2010
545:2016
382:The
353:for
342:and
306:and
292:ALSA
239:; a
237:JACK
235:(or
219:.org
183:Type
125:.com
440:LV2
332:iOS
308:OSS
248:API
176:iOS
156:BSD
144:C++
776::
730:.
634:.
608:.
583:.
514:.
503:^
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399:.
346:.
338:,
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140:C
101:)
83:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.