tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
ALSA: doc: ReSTize emu10k1-jack.txt
Another simple conversion from a plain text file.
Put to cards directory.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Documentation/sound/alsa/emu10k1-jack.txt
Documentation/sound/cards/emu10k1-jack.rst
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Documentation/sound/alsa/emu10k1-jack.txt
Documentation/sound/cards/emu10k1-jack.rst
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=================================================================
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Low latency, multichannel audio with JACK and the emu10k1/emu10k2
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=================================================================
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This document is a guide to using the emu10k1 based devices with JACK for low
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latency, multichannel recording functionality. All of my recent work to allow
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Linux users to use the full capabilities of their hardware has been inspired
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http://www.kxproject.com
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- Lee Revell, 2005.03.30
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Low latency, multichannel audio with JACK and the emu10k1/emu10k2
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-----------------------------------------------------------------
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Until recently, emu10k1 users on Linux did not have access to the same low
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latency, multichannel features offered by the "kX ASIO" feature of their
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fairly self explanatory - select Duplex, then for capture and playback select
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the multichannel devices, set the in and out channels to 16, and the sample
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rate to 48000Hz. The command line looks like this:
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::
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/usr/local/bin/jackd -R -dalsa -r48000 -p64 -n2 -D -Chw:0,2 -Phw:0,3 -S
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/usr/local/bin/jackd -R -dalsa -r48000 -p64 -n2 -D -Chw:0,2 -Phw:0,3 -S
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This will give you 16 input ports and 16 output ports.
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The 16 output ports map onto the 16 FX buses (or the first 16 of 64, for the
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Audigy). The mapping from FX bus to physical output is described in
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SB-Live-mixer.txt (or Audigy-mixer.txt).
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sb-live-mixer.rst (or audigy-mixer.rst).
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The 16 input ports are connected to the 16 physical inputs. Contrary to
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popular belief, all emu10k1 cards are multichannel cards. Which of these
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ports to FXBUS2 (multitrack recording input) and EXTOUT (physical output)
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channels.
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/*JACK (& ASIO) mappings on 10k1 5.1 SBLive cards:
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--------------------------------------------
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JACK (& ASIO) mappings on 10k1 5.1 SBLive cards:
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============== ======== ============
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JACK Epilog FXBUS2(nr)
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--------------------------------------------
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============== ======== ============
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capture_1 asio14 FXBUS2(0xe)
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capture_2 asio15 FXBUS2(0xf)
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capture_3 asio0 FXBUS2(0x0)
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capture_14 asio11 FXBUS2(0xb)
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capture_15 asio12 FXBUS2(0xc)
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capture_16 asio13 FXBUS2(0xd)
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*/
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============== ======== ============
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TODO: describe use of ld10k1/qlo10k1 in conjunction with JACK