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| author |   Takashi Iwai <tiwai@suse.de> | 2016-11-10 16:31:07 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-11-10 22:33:22 +0100 |
| commit | e7030c96fc0e08b9d1c4fb1cbedb326a3f46dad3 (patch) | |
| tree | 8a6ae356bdc57b8e5b9185e267e791cf91123f2e /Documentation/sound | |
| parent | ALSA: doc: ReSTize Audigy-mixer.txt (diff) | |
| download | linux-dev-e7030c96fc0e08b9d1c4fb1cbedb326a3f46dad3.tar.xz linux-dev-e7030c96fc0e08b9d1c4fb1cbedb326a3f46dad3.zip | |
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>
Diffstat (limited to 'Documentation/sound')
| -rw-r--r-- | Documentation/sound/cards/emu10k1-jack.rst (renamed from Documentation/sound/alsa/emu10k1-jack.txt) | 20 | ||||
| -rw-r--r-- | Documentation/sound/cards/index.rst | 2 |
2 files changed, 13 insertions, 9 deletions
diff --git a/Documentation/sound/alsa/emu10k1-jack.txt b/Documentation/sound/cards/emu10k1-jack.rst index 751d45036a05..6597f1ea83f0 100644 --- a/Documentation/sound/alsa/emu10k1-jack.txt +++ b/Documentation/sound/cards/emu10k1-jack.rst @@ -1,3 +1,7 @@ +================================================================= +Low latency, multichannel audio with JACK and the emu10k1/emu10k2 +================================================================= + This document is a guide to using the emu10k1 based devices with JACK for low latency, multichannel recording functionality. All of my recent work to allow Linux users to use the full capabilities of their hardware has been inspired @@ -7,8 +11,6 @@ power of this hardware. http://www.kxproject.com - Lee Revell, 2005.03.30 -Low latency, multichannel audio with JACK and the emu10k1/emu10k2 ------------------------------------------------------------------ Until recently, emu10k1 users on Linux did not have access to the same low latency, multichannel features offered by the "kX ASIO" feature of their @@ -23,14 +25,15 @@ select the correct device for JACK to use. Actually, for qjackctl users it's fairly self explanatory - select Duplex, then for capture and playback select the multichannel devices, set the in and out channels to 16, and the sample rate to 48000Hz. The command line looks like this: +:: -/usr/local/bin/jackd -R -dalsa -r48000 -p64 -n2 -D -Chw:0,2 -Phw:0,3 -S + /usr/local/bin/jackd -R -dalsa -r48000 -p64 -n2 -D -Chw:0,2 -Phw:0,3 -S This will give you 16 input ports and 16 output ports. The 16 output ports map onto the 16 FX buses (or the first 16 of 64, for the Audigy). The mapping from FX bus to physical output is described in -SB-Live-mixer.txt (or Audigy-mixer.txt). +sb-live-mixer.rst (or audigy-mixer.rst). The 16 input ports are connected to the 16 physical inputs. Contrary to popular belief, all emu10k1 cards are multichannel cards. Which of these @@ -49,10 +52,11 @@ This chart, borrowed from kxfxlib/da_asio51.cpp, describes the mapping of JACK ports to FXBUS2 (multitrack recording input) and EXTOUT (physical output) channels. -/*JACK (& ASIO) mappings on 10k1 5.1 SBLive cards: --------------------------------------------- +JACK (& ASIO) mappings on 10k1 5.1 SBLive cards: + +============== ======== ============ JACK Epilog FXBUS2(nr) --------------------------------------------- +============== ======== ============ capture_1 asio14 FXBUS2(0xe) capture_2 asio15 FXBUS2(0xf) capture_3 asio0 FXBUS2(0x0) @@ -69,6 +73,6 @@ capture_13 asio10 FXBUS2(0xa) capture_14 asio11 FXBUS2(0xb) capture_15 asio12 FXBUS2(0xc) capture_16 asio13 FXBUS2(0xd) -*/ +============== ======== ============ TODO: describe use of ld10k1/qlo10k1 in conjunction with JACK diff --git a/Documentation/sound/cards/index.rst b/Documentation/sound/cards/index.rst index c9d7ce4286b2..251f1d7675f7 100644 --- a/Documentation/sound/cards/index.rst +++ b/Documentation/sound/cards/index.rst @@ -8,4 +8,4 @@ Card-Specific Information cmipci sb-live-mixer audigy-mixer - + emu10k1-jack |