Linux-audio-user June 2004

linux-audio-user@lists.linuxaudio.org

140 participants
148 discussions

Re: [linux-audio-user] Creating live CDs

by lau＠hippie-online.de

Maarten De Boer wrote: > I was a bit confused by the word live cd here, which for me means > "bootable linux distros on a cd" :-) >>Now my problem is to burn the resulting file onto an Audio CD with track >>markers and CD-text. I am not aware of a Linux program to do this (and >>still have to dual boot for Feurio :-( ). > I don't know Feurio, but I think that cdrdao is perfectly suitable for > the job. Just generate (with a simple script?) the toc with trackmarkers > and cd text, and burn the CD. Feurio (www.feurio.de) is a really nice program to create Audio CDs, but unfortunately it runs on Windoze only. :-( Sampo Savolainen wrote: > can make a .toc with gcdmaster, and then burn it either with > gcdmaster or from the command line with the wonderful cdrdao. Okay, thanks for these tips. I am going to take a look at cdrdao. Ciao, HippiE

19 years, 9 months

[linux-audio-user] Linux soundapps site updated

by Dave Phillips

Greetings, Earthlings: Yes, it's that time again. You all know the drill: http://www.linuxsound.at/ (Europe) http://linuxsound.jp/ (Japan) http://linux-sound.org (USA) Best regards, dp

19 years, 9 months

Re: [linux-audio-user] Copying one channel from a Stereo File with sox

by Martin McCormick

Wow! I missed the -I flag in the man page. This is what I needed all along so I certainly appreciate the information. It worked perfectly. wes schreiner writes: >You must mean: > >arecord -d 86400 -t wav -r 8000 -f S8 -c 2 2channelarchive.wav > > >-f is format, -F is period time.

19 years, 9 months

[linux-audio-user] simple tool for generating accompaniment

by Atte André Jensen

Hi I need a program that lets me type in chords, select a style, hit play and get a midifile with drum and bass accompaniment for practicing. I looked around and although I found a few tools they all seem to be aimed at jazz (which I also play, so I'll look into the ones I found), but for this purpose I need something in faily straight-ahead pop/rock style. Is such a thing outthere? Or should I go for another more jazz oriented tool, and if so, which? Thanks in advance. I'm on debian if it matters... -- peace, love & harmony Atte http://www.atte.dk

19 years, 9 months

Re: [linux-audio-user] Jack interface peristance

by David Baron

> How are you getting Helix player to connect to jack? It is listed on the qjackctl connections pane. However, it did not succede in connecting to anything to play. I started it with jacklaunch...

19 years, 9 months

Re: [linux-audio-user] Copying one channel from a Stereo File with sox

by Martin McCormick

This appears to be right on target except I am going to need to play a bit with the input file and probably name it something else than a .wav file. I connected a stereo tape recorder to the two inputs of the sound card and used the following command to capture 2 tracks of audio containing separate program material recorded at 1-and-7/8 IPS. That's the reason for the low sample rate: arecord -d 86400 -t wav -r 8000 -F S8 -c 2 2channelarchive.wav This produced a two-channel recording all right that plays just fine back through the sound card. Unlike a 44,100 .wav, however, this file alternates bytes for the left and right channels. 16-bit samples alternate bits for the left and right channels so that each word completes loading in to its respective D/A converter one bit-time apart. So far, I have created a very strange effect by using the avg -l effect. What I get is a single channel of audio which plays at the correct speed, but which contains audio from both streams as well as a horrible 4-KHZ modulation effect. The output half of the sox command is working, I am pretty sure, but it is receiving data in a format it isn't expecting. Funny thing, If I cat the 2channelarchive.wav file >/dev/dsp, I hear both audio channels at half speed which is exactly what one should get if the left and right channel samples aren't interleaved. When playing back this two-channel 8-K recording, the read pointer must move at 16,000 bytes per second with the driver sending alternating left and right bytes to the sound buffers to restore the 8-K sampling rate for both channels. Thanks for the help and I'll let the list know if I can figure out what to tell sox to do to pull off the left or right channel to another file. Martin McCormick wes schreiner writes: >executable. What you want is the "avg" effect. So to take only the >left channel of a stereo WAV file, one could give the command: > >sox stereo.wav -c 1 mono.wav avg -l

19 years, 9 months

Re: [linux-audio-user] Reading/playing a "copy protected" CD : Reed-Solomon correction?

by Martin McCormick

I read that Sony spent a gob of Cash developing a CD copy protection scheme that is defeatable by the black marker mask around the outside edge of the playing surface. I think I read it in "Sound and Vision," but I wouldn't swear to that. The data dongle confuses CDROM drives so they can't seem to find their way around the disk. The problem is that it also confuses cd players which have drives in them that operate more like CDROM drives than earlier CD players did. I think if it can be played, it can ultimately be ripped. lee writes: >I've heard black magic marker can be drawn on certain areas to >"undamage" the disc. I haven't done any reading on the subject but I'm >sure google has some advice.

19 years, 9 months

[linux-audio-user] Jack interface peristance

by David Baron

This is not just XMMS but most anything. After the client has terminated (or one thinks it had terminated), the connection or connection points persists in qjackctl. The program is now unstable and jack must be manually killed. Xmms instances remain in memory and must be killed. Jackrack exists OK but its connection points remain Aviplay (jacklaunched) seems OK Realplay10 (Helix), connections persist ..... How might on fix all this up. Is there a nicer way to restart jackd than to find the PID, kill it and restart qjackctl?

19 years, 9 months

[linux-audio-user] Rosegarden - latest release or CVS?

by Larry Troxler

(I tried to post this to rosegarden-users but it appears that it is down for the moment) Hi, I haven't been using Rosegarden for some months, and now would like to install it again. Am I better off with the latest release, or with the current CVS version? Larry

19 years, 9 months

[linux-audio-user] Finale under WINE ?

by Dave Phillips

Greetings: Has anyone run Finale 2004 under any recent version of WINE ? I've been able to install and launch the demo, but all the text (and I presume music) fonts are missing. If anyone knows how to correct this problem please let me know. TIA! Best regards, dp

19 years, 9 months

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Linux-audio-user June 2004