Linux-audio-user October 2005

linux-audio-user@lists.linuxaudio.org

174 participants
148 discussions

[linux-audio-user] jack doesn't see my digital I/Os

by federico

i used jack with my Echo Gina24 (which has 2 ins, 8 outs) since today, withous problems. just today i bought an ADAT I/O box (Fostex VC-8). in the Echo Mixer i can see, hear and control both analog and digital channels. but when i start jack, i only see two analog inputs, and eight analog outputs. where did my new digital channels go? if i force jack to use 10 input channels and 16 output channels (VC-8 has 8 ins and 8 outs), jack says: loading driver .. apparent rate = 44100 creating alsa driver ... hw:1|hw:1|256|2|44100|10|16|hwmon|hwmeter|soft-mode|32bit control device hw:1 configuring for 44100Hz, period = 256 frames, buffer = 2 periods ALSA: cannot set channel count to 10 for capture ALSA: cannot configure capture channel cannot load driver module alsa note: i have to set Gina24 to receive external clock from the ADAT box (its clock is 44.1k) in order to hear/capture the 8+8 digital channels. why jack doesn't see the new inputs? thanks in advance -- ciao Federico

19 years, 3 months

[linux-audio-user] Creative Labs X-Fi Pro?

by October

Ran across this card in one of my gaming forums. Looks pretty impressive, even from an audio point of view... http://techreport.com/reviews/2005q4/soundblaster-x-fi/index.x?pg=1 Anyone tried one for linux audio? Anyone read any linux oriented reviews, etc. of this card?s Best, Jon Hoskins ----------------------------------------------------------------------- In a world without walls who needs gates or windows? --unknown __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com

19 years, 3 months

[linux-audio-user] CD-drive adjustment for ripping

by Andrew Gaydenko

Hi! Are there some tips how to ajust CD-drive (bios, kernel, ...) to get the best ripping accuracy? I mean cdparanoia/libcdio-paranoia using. paranoia's not-obvious tips are interesting too :-) Thanks! Andrew

19 years, 3 months

[linux-audio-user] Re: professional audio measurement with linux???

by Phil Mendelsohn

> From: sonicx <sonicx_(a)gmx.net> > i was wondering if it is possible,and usuable, to make precise pressure > and frequency messurements using linux. ie. to test high-end speakers.i > somehow guess so,but what do i need? can i use my > mic+soundcard+alsa+somemeasurementproggi ? This sort of measurement is as much of an art as a science; if I were you and wanted to get pretty serious about it, I'd look into measurement mics before I got too hung up on the software. Earthworks M30BX is about $900, but there are some less expensive solutions. A Shure SM-81, while not strictly a measurement mic, will work pretty well in lots of cases. I haven't seen them used for much less that $400 lately. :( You want the measurement mic to be the best thing in the chain -- a good mic on a cheap soundcard is better than a great soundcard with a poor mic. As to software, I don't know about preset solutions -- sorry. If you really want to get into it, fftw, gnuplot, and octave are all tools for rolling your own -- and it's a great way to really learn what you're doing. But be careful -- when your ears and your measurements disagree, go with your ears. Phil Mendelsohn (former mastering engineer, AES member, and audio boffin.) -- Dept. of Mathematics, 342 Machray Hall U. of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2 Office: 446 Machray Hall, 204-474-6470 http://www.rephil.org/ phil at rephil dot org

19 years, 3 months

[linux-audio-user] onboard midi/joystick controller?

by October

I had to do a temporary downgrade tonight to one of my kid's machines. I have one of those joystick-midi converters that worked well on my old SB Live! but now that I am running a Delta soundcard that is no option. Anyway, I tried hooking it up to the onboard "joystick/midi" socket on the motherboard (an older 440BX based Asus board) and don't see it register in jack. I'm running Demudi. Is there anything special I might try to get this to work correctly (until I get a midisport?) Thanks in advance! Jon ----------------------------------------------------------------------- In a world without walls who needs gates or windows? --unknown __________________________________ Yahoo! Music Unlimited Access over 1 million songs. Try it free. http://music.yahoo.com/unlimited/

19 years, 3 months

[linux-audio-user] midi definition

by mh

Hi, I would like to have a better knowlege about the midi protocol, to understand better what is stored in a midi file and how it is stored. I am not that much interested in bits and bytes, but in how a description of a note works in midi, i.e. is a note defined by a start point and a duration ( and the end point is a consequence) or is midi a start and an end point ( and the duration is a consequence). What is a pause? Is it a silent note? How does a notation application calculate ties or what remains of tied notes? The duration only? And so on... If anyone of you knows some URL where to find usefull information about the theme in question, I would like it very much to see it posted here. If it is in german, even better ;-) Greetings michaa

19 years, 3 months

[linux-audio-user] just tried out lash

by Atte André Jensen

Hi I just compiled om with lash support. It seams to me that lash is the hugely missing piece of software that if generally supported would take linux audio to the next level (to say the least). But I'm wondering which other software is supported? I heard rumours about ZynAddSubFx and seq24... I guess for now this is cutting edge that needs to pulled out of cvs, patched and compiled by hand. But are there any plans as to when lash + lashified software will appear in say debian/unstable? Also what's the general atitude amongs developers towards lash? Should we start lobbying for the developers our pet software to implement lash support? -- peace, love & harmony Atte http://www.atte.dk

19 years, 3 months

[linux-audio-user] .asoundrc - merging two soundcards

by federico

i want to merge my two devices (analog and digital) to be able to use them together in jack/qjackctl. my card configuration is: hw:1,0 -> 2 in, 8 out hw:1,1 -> 8 in, 8 out which is an asymmetrical "look". so i created a /etc/asound.conf file (see below). but when i start jack, it says: ALSA: mmap-based access is not possible for the capture stream of this audio interface ALSA: cannot configure capture channel this is because i used a null pcm with the asym plugin (i think). anyone knows how to workaround this? here is my asound.conf: pcm.!default { type plug slave sl44100 } ctl.!default { type hw card 1 } pcm_slave.sl44100 { pcm "hw:1,0" channels 2 rate 44100 } pcm.Gina_Capture { type asym playback { pcm { type null } } capture { pcm { type hw card 1 device 0 } } } pcm.Gina_Playback { type asym playback { pcm { type hw card 1 device 0 } } capture { pcm { type null } } } pcm.Fostex_ADAT { type hw card 1 device 1 } pcm.multi { type multi slaves.a.pcm "Gina_Playback" slaves.a.channels 8 slaves.b.pcm "Gina_Capture" slaves.b.channels 2 slaves.z.pcm "Fostex_ADAT" slaves.z.channels 8 bindings.0.slave a bindings.0.channel 0 bindings.1.slave a bindings.1.channel 1 bindings.2.slave a bindings.2.channel 2 bindings.3.slave a bindings.3.channel 3 bindings.4.slave a bindings.4.channel 4 bindings.5.slave a bindings.5.channel 5 bindings.6.slave a bindings.6.channel 6 bindings.7.slave a bindings.7.channel 7 bindings.8.slave z bindings.8.channel 0 bindings.9.slave z bindings.9.channel 1 bindings.10.slave z bindings.10.channel 2 bindings.11.slave z bindings.11.channel 3 bindings.12.slave z bindings.12.channel 4 bindings.13.slave z bindings.13.channel 5 bindings.14.slave z bindings.14.channel 6 bindings.15.slave z bindings.15.channel 7 bindings.16.slave b bindings.16.channel 0 bindings.17.slave b bindings.17.channel 1 } ctl.multi { type hw card 1 } pcm.ttable { type route slave.pcm "multi" ttable.0.0 1 ttable.1.1 1 ttable.2.2 1 ttable.3.3 1 ttable.4.4 1 ttable.5.5 1 ttable.6.6 1 ttable.7.7 1 ttable.8.8 1 ttable.9.9 1 ttable.10.10 1 ttable.11.11 1 ttable.12.12 1 ttable.13.13 1 ttable.14.14 1 ttable.15.15 1 ttable.16.16 1 ttable.17.17 1 } ctl.ttable { type hw card 1 }

19 years, 3 months

[linux-audio-user] [ANN] WhySynth DSSI softsynth

by Sean Bolton

Introducing WhySynth, a DSSI softsynth plugin. WhySynth, as in 'Y'-synth, the super-sized, frankensteinized, evolved and mutated, still rather dorky younger sibling of Xsynth-DSSI. WhySynth, as in (I sometimes ask), "_why_ am I working on another softsynth instead of on paying gigs?" (Following my bliss? Addiction? One last shot at misspent youth?) WhySynth, as in a mostly-new design featuring: - 4 oscillators per voice, in your choice of 6 modes (minBLEP, wavecycle, asynchronous granular, FM, waveshaper, and noise), - 2 filters, also in multiple flavors, - flexible routing and mixdown to stereo output, - 3 (or is it 6?) LFOs (instrument-wide, per-voice, and multiphase), - 5 multi-mode envelope generators, - abundant modulation options, - and effects (well, Tim Goetze's Versatile plate reverb is all at the moment, unless you count the DC-blocker anti-effect). WhySynth is a work in progress. Actually, since the kid was born, progress has slowed to a near-utter standstill, but if I can't release often, I might as well release early. Get your tarball, boring screenshot, and html-ized README today at: http://home.jps.net/~musound/whysynth.html then get your butts back to making cool music -- however you define that. Cheers, -Sean

19 years, 3 months

[linux-audio-user] software analysing rhythm

by mh

Hi, I recently read about a software which analyses a wave file and then is able to generate a rhythm pattern out of it. Unfortunately I have not bookmarked it, and I do not remember in which forum or on which mailing list I read about it. Do you have any idea about the software I am talking? michaa

19 years, 3 months

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Linux-audio-user October 2005