Linux-audio-user April 2007

linux-audio-user@lists.linuxaudio.org

171 participants
143 discussions

by lanas

Folks, There are no pd packages for X86_64 on CCRMA. Can I install the ones for i386 instead and will it then work with everything else ? Thanks. Al

17 years, 9 months

JACE build failure on Core 2 Duo

by Ken Restivo

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Yay, I have my Core 2 Duo installed and running. And building apps. But, not JACE, yet: .... as -o mac_sse.o mac_sse.s mac_sse.s: Assembler messages: mac_sse.s:29: Error: suffix or operands invalid for `push' mac_sse.s:31: Error: suffix or operands invalid for `push' mac_sse.s:32: Error: suffix or operands invalid for `push' Ah, well, duh, the assembler ain't gonna like 32-bit operands too well. OK. Hmm. I tried commenting out CPPFLAGS+= -march=pentium4 in the makefile, and got this instead: g++ -O3 -Wall -DVERSION=\"0.0.4\" -DPREFIX=\"/usr/local\" -march=pentium4 -c -o main.o main.cc main.cc:1: error: CPU you selected does not support x86-64 instruction set Is there an incantation that will work on this arch? Or a 64-bit version of the asm code somwhere? I've written some Atmel RISC asm and read some ARM RISC asm, but Intel asm-- especially the new 64-bit stuff-- is a mystery to me. - -ken -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFGJVdDe8HF+6xeOIcRAsMgAJ9GZz70qQykQTst6zWipvQL/tqTmgCgyag9 8W0cM0wl+agVeCOexYbplcc= =qzKW -----END PGP SIGNATURE-----

17 years, 9 months

USB chip audio with compression?

by Gregoire Banderet

Hello, We are at the design phase of a new embedded product based on a PowerPC and Linux. The device should have an audio output and an audio input, if possible with a HW compression (MP3) and if possible with an USB interface. Is there an audio chip with these spec supported (with a working driver) by Linux? Thanks for your help, Greg

17 years, 9 months

Re: My 'works in progress' made with linux

by julien bodd

> Sea Call is a highlight. It's just the drums that don't quite cut it. > Oriental is interesting, but could be a bit more homogeneous. Yes, Oriental was composed in half an hour some days ago. I still did not give a lot of attention to it. But sound quality is better that in other pieces I think. > Having listened to all 20 in a row, I can't keep them all apart now ... > there are places with overly sharp and glassy sounds that are a tiny > bit over the edge between pleasantly clear to painfull to the ears > (well, my ears). I agree :-) > Maybe you work and function very differently from me ... but if not, > you should pick one track and pull it through or you will never be > able to call anything finished. While nothing ever has to be finished, > being able to put if off the table is relieving, I think :) > -- > Thorsten Wilms Here is the point! In fact, I just like to play, to express myself, my daily feelings. It is very hard for me to actually start really working on some tracks. Putting them online is the first step towards that process. I want them to be better, continued, finalized..but I cannot find the motivation! This is sad ! haha. It is kind of boring to work on an existing song. But I have to do that. How do YOU work? I think I need a kind of project to motivate me. Like somebody wants me to compose a track for a movie or event..That way, I would know I have to do it well..hoping this would not affect my imagination..Probably I'll propose my 'services' in art schools.. Any good idea to progress and make work? aaaa, a point is that I don't really like bands..in fact I like to play in bands but I can't manage to perform well with other people..because of the kind of music I think..

17 years, 9 months

Re: [ardour-users] Problem with TAP plugins and Ardour, also what stereo EQ plugin?

by Sampo Savolainen

On Tue, 2007-04-17 at 12:41 -0500, Brett Clark wrote: > Hi, > > I've been trying to use the TAP plugins in Ardour2 beta 12 and > sometimes de tracks where they are inserted become silent > (this is > using the EQ plugin). The CPU usage stays low so I don't know > if this > is related to the denormal problem I've been reading in the > list > archives. > > Has anyone figured out a solution to this? I recorded a session last > Saturday ( on 99.3 ) and > started having the same with the TAP EQ plugin on the bass track. I > decided to convert the > session to Ardour2rc1 and had the same problem. I noticed that i > could get around the problem > by routing the bass track to a bus and putting the TAP EQ on the bus. > This seemed to work > for the first couple minutes of the song, but then it would go quiet > at a specific spot (this is > reproducable because it happens at the exact same spot). I watched > the CPU usage which stayed around 68% idle, so there didnt appear to > be any denormalizing. > I also use the TAP Dynamics for noise gating on other tracks and that > works fine. I've tried duplicating this issue but haven't been able to do that. Can you figure out what in that session causes the plugin to be quiet? Maybe you could whip up a session for the developers which exhibits this issue? Sampo

17 years, 9 months

Re: My 'works in progress' made with linux

by julien bodd

> Nice stuff! You got some great dark textures. > Also, is that guitar sound on "rock-arise" a real guitar or Zyn? > - -ken It is Zyn..all instruments are virtual except a djembe for rythm in "Tribal and the rythm" and "Bon boyage"

17 years, 9 months

[ANN] Tapeutape 0.0.5 and Tranches 0.0.5

by Florent Berthaut

Hi everyone, I'm proud to announce the release of : Tapeutape 0.0.5: better gui, play modes, command-line menu, lash support and bug fixes (thanks Nedko) Tapeutape is a midi-controlled virtual sampler.It is highly configurable,lets you create instruments/kits/setups and is designed for live performance.It works on Gnu/Linux with the jack sound server. There's a command-line and a gui version. It can be found at http://www.hitmuri.com/Tapeutape An example of what can be done with it : http://www.hitmuri.com/Tapeutape/demo_tapeutape.ogg Tranches 0.0.5: reverse mode, usable gui , command-line menu, bug fixes Tranches is a midi-controlled multi-(inputs|outputs) live beat repeat|redirect tool for the jack sound server on Gnu/Linux !!! There's a command-line and a gui version. website : http://hitmuri.com/Tranches/ audio example : http://www.hitmuri.com/Tranches/demo_tranches.ogg Regards, Flo

17 years, 9 months

Re: [linux-audio-user] USB chip audio with compression?

by Robin Gareus

Gregoire Banderet wrote: > Hello, > > We are at the design phase of a new embedded product based on a PowerPC > and Linux. > The device should have an audio output and an audio input, if possible > with a HW compression (MP3) and if possible with an USB interface. > > Is there such device supported (with a working driver) by Linux? not that I know of. but if FPGA's are an option it could be built easily ;) USB-Audio is a very distinct standard and merging it with raw mp3/ogg data i/o is IMHO not a good idea! There are drivers and software for mp3-decoder hard/firm-ware (eg ipodlinux.org ) - shared/locked memory is an issue on embedded devices, and USB makes this even worse..! I think the cheapest solution is to just /connect/ the mp3-de/encoder/player output to a general purpose dsp & mixer chipset and have them be two separate [usb] devices.. 2c, robin

17 years, 9 months

Shooting at VT?

by Rui Nuno Capela

The news just popped some tragic event had recently occurred on the VT campus. Hope LAO and Ico in particular are fine. http://www.timesonline.co.uk/tol/news/world/us_and_americas/article1662237.… http://www.cfra.com/headlines/index.asp?cat=2&nid=48716 -- rncbc aka Rui Nuno Capela rncbc(a)rncbc.org

17 years, 9 months

rumble, motor-like sound. What frequency to set notch filter?

by millward

I'm trying ot clean up a WAV file that has a low sounding rumble, motor-like sound, sort of up and down. It's lower than the bass line. I'm finding this hard to describe in words. I'm using the Gnome Wave Cleaner and its got a notch filter but I don't know what frequency to set it for. I do know people hear from about 20 Hz to 20,000 Hz, on a good day, so would maybe 50 Hz to 100 Hz would be a good start?

17 years, 9 months

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Linux-audio-user April 2007