Linux-audio-user March 2006

linux-audio-user@lists.linuxaudio.org

215 participants
309 discussions

Re: [linux-audio-user] [OT?] camcorder mic

by Eric Dantan Rzewnicki

Gene Heskett wrote: > On Tuesday 21 March 2006 06:46, Eric Dantan Rzewnicki wrote: >>Hi Gene, >>Gene Heskett wrote: >>>On Monday 20 March 2006 18:28, Eric Dantan Rzewnicki wrote: > The importation of raw video is just an exersize in dma, running it thru > the ogg theora to compress it will not be done in real time by any > commonly available cpu today and will heat the cpu quite a bit. So it > will have to be treated as a file to file project where time is just > wall time. I beg to differ on that point, as we did exactly that throughout last year's LAC2005. miniDV camcorder -> ieee1394 -> 2GHz athlon laptop -> dvgrab -> ffmpeg2theora -> oggfwd -> icecast -> icecast relay in DC -> xine on same laptop to monitor stream The laptop handled the cpu load just fine. :-D -Eric Rz.

18 years, 8 months

Re: [linux-audio-user] [LAM] Music made with linux

by Kjetil S. Matheussen

Dana Olson: >Cool! Do you have more, perhaps original tunes? > Thanks. Yeah, there are some files at http://www.notam02.no/~kjetism/mp3/ (the eric clapton file and the stochausen file aren't made by me) >What soundfonts did you use? jnsgm, it has some really great acoustic sounds. But I only used chello and flute on this one.

18 years, 8 months

[linux-audio-user] Hardware samplers

by Ismael Valladolid Torres

Anybody here is working with hardware samplers? How is it managed exchanging samples between sampler and computer? Is SCSI supported or is it needed using diskettes or zip drives? I'd like to get one of them second hand and I wonder which hardware sampler is more Linux-friendly, given that Linux doesn't seem very sampler-friendly. :) Cordially, Ismael -- m�, myself et moi http://lamediahostia.blogspot.com/ http://www.flickr.com/photos/ivalladt/

18 years, 8 months

Re: [linux-audio-user] [LAM] Music made with linux

by Kjetil S. Matheussen

james: >On Mon, 20 Mar, 2006 at 10:53PM -0800, Kjetil S. Matheussen spake thus: >> >> This is a cover of Dolly Partons song "Coat of many colors". >> >> The synth parts are made with E-Radium and qsynth/fluidsynth. >> >> Guitars and vocals are recorded in Ardour. Its also mixed in >> Ardour. >> >> Snd was used for some editing of the final sound file afterwards, jamin >> was used for mastering, jack_record was used to capture the sound from >> jamin, and oggenc was used to produce the ogg-file. Phu! >> >> Plug-ins used: >> * TAP equalizer >> * Chorus1 (based on Csound orchestra, really nice) >> * Chorus2 (based on Csound orchestra, really nice) >> * SC4 >> * Stereo reverb made by Fons. (Wow! This one is sounds so real!) >> >> And its recorded and mixed in the main studio at ccrma, today. >> >> http://ccrma.stanford.edu/~kjetil/music/CoatOfManyColors.ogg > >If I play it backwards, do I get satanic messages? Of course. If you listen closely you'll hear stuff about buying windows, kill linus and my sweet bill.

18 years, 8 months

[linux-audio-user] Education apps'

by Renato Fabbri

Hi, I wonder if there is some apps in linux for trainning chord/intevals recognitions, rithmic patterns transcritions.. that kind of stuff. I used "ear training" on windows and it was pretty nice, just wondering if there is any to run with the penguin. thanks __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

18 years, 8 months

[linux-audio-user] Re: Companies Refusing to Release/Permit Linux Drivers

by Maluvia

>Because no converter can reach even the 24bit resolution. In fact the best >resolution you can reach is about 21 bits and the rest three bit contains >only a random thermal noise. > >regards, >Ctirad I did not know that - but am not really surprised. >There are not any true 24bit a/d converters yet. >There are not even any true 22 bit a/d converters, perhaps in some labs. > >I think the best converters in the world manage about 20bit. (120db >dynamic range.) > >If a converter had a 24bit dynamic range (144db) and full scale was >+7db, then it would have to be able to resolve differences of 10 >nano-volts (10 one billionths of a volt). That's perhaps possible with >cryogenics. Remember each extra bit *doubles* the dynamic range! > >Real 24 bit recording should resolve from below the brownian noise floor >of air molecules hitting your ear drums to beyond the threshold of pain. > >That's why we are stuck at 24bit Well thank you for a scientific explanation of this ceiling. I guess, then, that *real* 24-bit resolution, or something very close to it, would yield what I am looking for - if it can be achieved. >Recording is about creating illusions, not fidelity. If you record an >acoustic guitar in a totally dead room with the flattest most accurate >mic and pre, in to best a/ds in the world, it sounds... ok. >Put some reverb and top end on it, a little compression, perhaps add a >little distortion with an aural exiter, or recording to tape, and people >will say 'wow, what an amazing fidelity guitar recording!' :) I agree with this to a certain extent, but the quality of the effects - or the final signal after the effects are added, is affected by the fidelity of the original signal. There is a huge difference in our guitar sound put through an 8-bit Zoom processer, an 18-bit Alesis Q2, a 20-bit Alesis Q20, and a Behringer "24"-bit V-Verb. I think it is about both - using a high-fidelity acoustic signal blended with creative, high-quality effects to create a beautiful auditory experience. >Bullshit. If you can hear the difference between a 20 bit converter >and a >20 bit one, what you hear is the difference between two >converters, regardless of the number of bits they use. And you can prove this? I would assume, that if "24-bit" converters are really only 20-21 bits, then a so-called "20-bit" converter is likely <<20 bit. I maintain that I *can* hear bit-depth difference. Are you perhaps suggesting that there exists some bit-depth threshold w/re to human hearing? What do you base your comment on? >Even 16 bits correctly dithered is better than 24 tracks on a 2 inch tape. Again, what do you base this on? Recording what? "Correctly dithered" - and you would maintain that there is some objective standard as to what constitutes this? I can hear the distortion of the audio signal created by dithering, just as I can hear the distortion of the audio signal created by Dolby - and I don't like it. If you think existing digital technology can already match or exceed the audio fidelity of a 24-track reel-to-reel recorder, I would very much like to know what it is, and where it is available - and I would like to hear it. -Maluvia

18 years, 8 months

[linux-audio-user] Need cheap USB-MIDI interface

by Josh Lawrence

Hey all, I need a cheap USB-MIDI interface, something that works out-of-the-box. I was thinking about the M-Audio Midisport Uno, but I see from this page: http://usb-midi-fw.sourceforge.net/ that a firmware loader is required. Anyone have any suggestions for something in that price range, but is plug and go? -- Josh Lawrence http://www.hardbop200.com

18 years, 8 months

Re: [linux-audio-user] novation remote 25 usb midi controller

by Eric Dantan Rzewnicki

Matthew Yee-King wrote: > Hello! > > I have just been reading your post about remote 25s from 3 years ago! I > just installed a nice fresh debian testing etch system and was shocked > to find the remote 25 appeared in my list of midi ports in qjackctl - > wow. Can't find any docs about this on the web so thought you might like > to know, It's a stock debian 2.6.15 686 kernel using the alsa drivers > that come with it. After you sent your mail I upgraded my work laptop to etch over the weekend with the packaged linux 2.6.15-1-k7. I just plugged my remote 25 into it. amidi -l shows it! Very encouraging. I'll have to actually use this thing now. :) -edrz

18 years, 8 months

[linux-audio-user] [OT?] camcorder mic

by Eric Dantan Rzewnicki

I'm shopping for new camcorder and am considering getting a "shotgun" mic for it. I wondered if anyone here has any experience with these. I'm looking at the Rode VideoMic: http://www.sweetwater.com/store/detail/VideoMic/ I've pretty much settled on the Panasonic PV-GS300 camcorder. Any experiences or opinions on that are also welcome. Also, is there any such thing as a linux-video-users list where this might be more on-topic? I remember seeing a linux-video-developers list in someone's sig here or on lad, but can't recall the URL and didn't know if a video-user's question would be on-topic for that list anyway. Thanks, ERic Rz.

18 years, 8 months

[linux-audio-user] Re: PV-GS300

by Eric Dantan Rzewnicki

Matthieu Redouin wrote: > I bought a NV-GS300, one month and a half ago in Japan. I think it is > the same as PV-GS300 but don't why there are 2 names. > This is my first camera so I am not an expert at all but I just wanted > to say how I 'felt' this camcorder. > I think it is a good product : good quality of video, many options, EASY > and SIMPLE to use, good zoom and very good OIS ! > I would only say a drawback : the quality of the photos : before buying > it, I read 'wow, the photo mode is awesome...' but, as I like good > photos, I was a bit disappointed about this. BUT, and that is very > important, this is only valid if you want to make very good pictures > otherwise for 'souvenirs' pictures like family pictures or trip > pictures, this is very suitable. > this is my newbie point of view. Thanks for the feedback, Matthieu. Stills aren't all that important for me, so that's a minor concern. -Eric Rz

18 years, 8 months

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Linux-audio-user March 2006