Linux-audio-user October 2010

linux-audio-user@lists.linuxaudio.org

116 participants
93 discussions

by Erik Steffl

I have lot of sheet music for practicing (guitar) and would love to have a simple way to put it into computer so that I can play it. Something that makes it easy to write music, could be just text (like http://abc.sourceforge.net/) or regular music notation or tabs or... whatever is optimized for writing down music... Just to be clear - I am not looking for a way to record the music, I want to write it down in some kind of notation. playback is not a focus, if it produces midi or audio file and the rhythm is correct I'm happy. (looking for opinions based on personal experience) (and yes, looking for linux solution) thanks! erik

14 years, 10 months

Patchage, QJackPatchbay, LASH, LADI, JackSnapshot, OR ?

by fred

Hi list, After some years of tests and blank screens, feel ready to give a try to professional use of Linux for music building ! What needed before is this function to recall complex connections between many applis in one click... Some listed in the subject of this mail should do that. What is YOUR choice, and why ? Thanks for replies, Fred

14 years, 10 months

vmx1000usb mixer linux usb support

by Raffaele Recalcati

Hi everybody, Looking at the new mixer to connect to my genelec 8030A http://www.behringer.com/EN/Products/VMX1000USB.aspx I read "Built-in USB interface for recording and playback of any digital music file. Works with your PC or Mac computer—no setup or drivers required" So I can guess that it should be work out-of-the-box also with Linux. Any additional info? Regards, Raffaele "Raffaele wants a home audio setup with professional quality but consumer usability"

14 years, 10 months

Re: [LAU] usb or firewire (when having a ricoh chipset)

by Susanne Schneider

hi, I have a Thinkpad R61 with Ricoh FW chipset and NVidia Quadro GK. The Ricoh works for some minutes, then the connection breaks... I knew those constraints from the FFADO page and didn't waste much time on that. I purchsed a Belkin FW/PCMCIA card F5U513v which has TI chipset. My FW audio works without any problem (Focusrite Saffire PRO 10), but I have to deavtivate the NVidia driver when using FW Audio beause graficdriver shares interrupt with yenta. My USB Card Lexicon Omega Studio also works great and I only can recommend it. So my decision which interface to use is just a question of number of needed inputs, best -s > Message: 1 > Date: Thu, 28 Oct 2010 13:10:00 +0200 > From: "rosea.grammostola"<rosea.grammostola(a)gmail.com> > Subject: [LAU] usb or firewire (when having a ricoh chipset) > To: linux-audio-user(a)lists.linuxaudio.org > Message-ID:<4CC95A08.9030903(a)gmail.com> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Hi, > > Having a ricoh firewire chipset here on a thinkpad t61. Not the best one > afaik.. Should I go for a usb (edirol for example) or firewire interface? > > \r >

14 years, 10 months

Polyphonic pitch detection

by Jonathan Gazeley

Hi all, I'm looking for a tool that can analyse an MP3 file, and write out a polyphonic MIDI file - basically so I can have the sheet music. Can anyone name one? Although this is a Linux list, I don't care what platform the tool runs on, since I will only use it once and then go away happy with my MIDI file :) So far I only found a demo Windows program called intelliScore Polyphonic Demo. It's limited to the first 15 seconds but unfortunately it made such a terrible job that I don't feel inclined to purchase the full version. The MP3 in question is "Vevey (Revisited)" by Yes, from their 1977 album "Going for the One". It's a simply constructed piece of music but the organ chords are really confusing me. I've tried to go through it and notate it manually, but I seem to be incapable of picking the notes out of the chords. Rick Wakeman is clearly a genius :) http://static.jonathangazeley.com/Yes-VeveyRevisited.mp3 So, if anyone can recommend some software that can help me here, I'd be very grateful. Alternatively, if anyone is willing to write it out for me (MIDI, PDF, or any other decent format) then I'll make it worth their while! Cheers, Jonathan

14 years, 10 months

shepard scale generator in supercollider

by andy baxter

hi, I've just been working on some supercollider code to automatically generate notes in a shepard scale from any incoming midi events. I thought I would post the code and a sample of how it sounds in case anyone else finds it useful. The way it works is you send supercollider a stream of midi events through its midi port, and the program converts these into outgoing midi events which represent notes in a shepard scale. If you play a rising scale on a keyboard, the notes will come out as rising shepard scale notes; similarly for a falling scale. It works best if you feed it into a pure sine wave generator, but you get some interesting effects with other synths. The code and the sample mp3 are here: http://www.ganglion.me/media/ Any comments on the code are welcome. (I'm still fairly new to supercollider :) ). hope someone finds this useful, andy

14 years, 10 months

Fwd: Delay problem real time listening to a live input audio

by Ameur Esseket

Hi, no chance, I tried many times configurations and nothing. I have always the same case, once I can record without hearing the guitar I am playing into ardour. I only listen to it after the recording, otherwise I with pactl load-module module-loopback, the delay kills.. Any tuto for installing jack, ardour and recording. Please help. Regards to all. On Fri, Oct 29, 2010 at 5:34 PM, Paul Davis <paul(a)linuxaudiosystems.com>wrote: > On Fri, Oct 29, 2010 at 12:32 PM, Ameur Esseket <esseket.ameur(a)gmail.com> > wrote: > > Hi again, > > When activating this module for hearing what I am producing live, pactl > > load-module module-loopback, that the 2 seconds delay comes. Otherwise > and > > without this module I am unable to hear the sound nor to record... > > Is there any advice/ tuto for recording and listening in the same time > the > > hole jam (my guitar with things I created...) > > You have started JACK on the "default" ALSA device, which on your > system is PulseAudio. > > Please tell JACK to use a "raw" or "hardware" device such as "hw:0", > though you will have to stop PulseAudio to make this work. > > For reference, JACK should almost NEVER be started using any > devicename other than hw:N > > --p > -- Ameur Esseket, Tunisiana - Core Network Performance and Optimization engineer Mobile : +216.55.01.58.25 IM : esseket.ameur(a)gmail.com

14 years, 10 months

Re: [LAU] usb or firewire (when having a ricoh chipset)

by Susanne Schneider

Clemens, thanks for your hint, I already tried this but it's only partly of help, the xruns are significantly less but still present, so I went back to my strategy deactivating the NVidia Driver which is not a big deal, best Susanne >Date: Fri, 29 Oct 2010 19:15:58 +0200 >From: Clemens Ladisch <clemens(a)ladisch.de> >Subject: Re: [LAU] usb or firewire (when having a ricoh chipset) >To: linux-audio-user(a)lists.linuxaudio.org >Message-ID: <4CCB014E.9000707(a)ladisch.de> >Content-Type: text/plain; charset=us-ascii > > >Try giving the "NVreg_EnableMSI=1" option to the nvidia driver. >(Create a file containing "options nvidia NVreg_EnableMSI=1" in the >/etc/modprobe.d/ directory, or add the option if an "options nvidia" >line already exists.) >Regards, >Clemens

14 years, 10 months

play glitchless loop?

by Dan Muresan

This has to be very basic, but I'm unable to find a solution: is there a command-line way play a clip in an infinite loop, without audio glitches? $ mplayer -loop 0 loop.flac and $ vlc -L loop.flac both stop for a few seconds before repeating. I'd prefer something that works both with jack and plain ALSA, of course :) -- Dan

14 years, 10 months

Linux/Windows dichotomy

by Tobiah

I've always dual booted, because of Windows games, and for some Windows audio and music software. Now I have a firewire interface that only works with Jack under Linux, which is unpleasing. I decided to install Kubuntu on a virtual machine using Windows as the host. This is awesome. I'm using a dual head setup, and put Linux on one monitor full screen, and my main Windows screen on the other. Vmware allows the mouse to seamlessly glide from one OS to the other. My firewire interface appears as a well supported Ensoniq AudioPCI. Too cool. I give Linux a dedicated stereo pair of the Echo Audiofire8. My machine has 8Gig Ram and a four core processor. I give half of the ram and two of the four processors to Linux. I still have two strong 'machines' running at the same time, and sharing files is easy. Cygwin was always a possibility, but I'm going to run this setup now. The Linux box feels like it's running on its own hardware. Very cool. The basic version of VMware is free now btw. Virtualbox is another option, but I think VMware has the edge. Tobiah

14 years, 10 months

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Linux-audio-user October 2010