Linux-audio-user April 2005

linux-audio-user@lists.linuxaudio.org

163 participants
185 discussions

[linux-audio-user] Recommendations for notebook spdif-in device

by HippiE

Hello, I am looking for a device which adds an spdif (lossless 44,1 and 48 kHz) input to my notebook (Samsung P35, Cardbus, USB2). Up till now I used (a desktop PC with) the great Audiophile 24/96 - is there a chance to plug it with some kind of adaptor to the notebook? Best regards, HippiE

20 years, 2 months

[linux-audio-user] Re: Talkin Sound (conversations with Mr Nakara - Enbee Audio

by ISh

ISh wrote: > Talkin Sound (conversations with Mr Nakara - Enbee Audio) > > Hi all > Following is a conversation with the founder of Enbee Audio Mr. > Nakara. He is a multi talented Audiophile who has been manufacturing > Hand made music systems for over 35 years now. His latest range of > speakers and amplifiers (100/75 watts RMS) produce one of the best > sounds I have ever heard. And another way to put it will be that I > heard one of my favorite CDs for the first time when I heard it on the > Enbee Music System (i.e. John Mc Laughin plays Bill Evans). And as for > the other cd’s I heard on this amazing music system it was an out of > the world experience likes of which I have heard very rarely and that > too only on very high end music systems. I can not do justice to the > Enbee music system in words as it is an experience and one would have > to be there to experience it. So please make time and visit the Enbee > show room with your CD case and sit back and listen. > > This is a conversation with Mr Nakra about sound, his designs and his > life(to be contd..) It was not a straight forward interview as he is > very passionate when he talks about this subject, and to give a > structure to it (like interviews) will limit his out put. So most of > the time the conversation ebbed in and out of very technical details > which are also important but will be covered later when this project > actually kicks off (details later) > > > Thanks for Reading > > <>ISh > _______________________________________________________________________ > > Q: question > N: Mr Nakara > Mrs. N: Mrs Nakara > (side details/observations .. in these brackets) > <technical details – in the angled brackets> > > > (When I entered the Enbee Show Room there was a discussion going on > about Vat between Mrs. and Mr. Nakara and it’s confusing ends. And how > it affects the small time manufacturers with no differentiation on > volumes etc. Tax on end-price or each product or part ….10% …20 %... > 12.5 %.....12,400,.. and on and on) > > Then the conversation shifts to cameras and hunting ... a friend of > mine is telling Mr. Nakara about the digital cameras and memory sticks > (CF cards). > > N: we used to go out hunting every sat and sun we used to see > beautiful shades of trees and they are of a kind which you don’t find > here in the city. . there is so much construction next to the road. > Once I saw the sun like this big red ball and it was beautiful, I just > got off and ran out to take a picture but I couldn’t find a place from > where I could take it as there were electric cables everywhere. And > till I went further up the sun had gone down. > Mrs N: we had seen the sun twice like that. Once was at the time of > sunrise. The Sun completely engulfed the car as it was red (aah). > N: Photography puts life into you. Unfortunately I do not do my own > developing. In school we used to do black and white and dotting. > (school was Bishop Cotton, Shimla) > > Q: was this in the 40’s … > N: oh.. Much Earlier > Mrs N: in the 30’s > N: we used to do dodging and reduce the light . And then in the dark > room you can see what is coming out , it is like a painter giving the > final touch. > > Q: Can you tell us something about records and players lets start for > Gramophones. > > N: The sound box is the gramophone should be made out of film > material/ aluminum > Or paper, so that is the amplification thing. Then we have the chrome > arm. Then you have this arm inside which is not the tube complete it > is also exponential > > <TECH: the details of the conversation( on records/needles) further > can be best explained with the help of a diagram with the technical > parts later> > > The basic reproducing factor is here (needle head) and the grooves in > the record. The grooves are cut horizontally in a record and in fact > for stereo recoding the grooves are cut at an angle. > Shellac records used to wear out the pins really fast like the copper > tip pins. So when we were kids we were given records and when the pins > used to finish off we would go down in the mountains and pick thorns > of a tree(kikkar in hindi) and break them carefully and pattern them > out .. the finest sound you get from them(the thorns) and not from the > steel pins. One thorn would work one side and produce lovely sound. > The kikkar would be nature polished. (laughs) > > Q: and they will duplicate perfectly > > N: Yeah . Now what is sound? If there is no air there will be no > sound. On the moon I can not talk to you. (picks up a papper and moves > the papper around …) > There is sound just now.. it is starting to do vibrations and produce > sound. This is where one starts perceiving sound. Sound is nothing but > vibrations and sound can not go on traveling endlessly. Electronic > wavelength can travel endlessly, it has a property that if there is a > obstruction in it’s path then divert and continue. This is not so with > sound waves. So we use this property to make sound proof rooms Eg > glass window with air in and then another glass window with air > between it so this is how you cut out the noise and sound pressure. > One thing you should have clear in you mind and that is there is > nothing perfect in the world. That is to say there is no perfect > conductor, there is no perfect insulator. Everything will have it’s > capacity to stand and resist the flow of electricity when passed > through it and beyond which it will break down and it will burn off. > No insulator is a perfect insulator . Insulating properties keep on > varying by aging also so is that case with conductors. That holds true > for everything. > > <TECH : (6:30—15.33 on track 3-- Tech explanation for records and > needles. Tracks and tracking gear, record grooves. Needle balances etc> > > Q: Tell us more about Perceiving the source of sound? > > N: See there could be a gathering/group that is producing sound. There > is a tabla some vocals and a sarangi player for example. So once you > look at the configuration of the stage at least you should be able to > feel in that manner itself. For eg the tabla player’s sound in more > prominent on the left and the vocals on the right side so partiality > to the left should be given to the tabla and vice versa the right > should be given to the vocal. But > > I found a very nice way to go about it specially for location > recordings because you can not go about carrying all this equipment on > location recordings like on top of the hill in Kashmir. You can not > subject these people to a studio you see that is not their natural > environment. The best technique I found was to cross two microphones > round 90degrees on their axis(demonstrates a crossed pair mic’ing > technique.. which he swears be) So in this case (of crossed pairs) the > sensitivity is spread all across and you can pick up beautiful sound. > So like in photography there is lot to learnt in the process of going > ahead and doing the work, when you come out of an institution if you > honestly ask me you are at a book level. Where you don’t have any > experience you haven’t had exposure to face the odds that might come > your way and you have no experience of evolving your knowledge into an > art. You have to be applying the ideas etc and that’s where the > learning starts. That is like if you have read a book you know less > than the writer , even if you have read 10 of his books 10 times you > will know less than the writer. See you can never equal that .So after > acquiring the knowledge of the books you have to develop your skills > and experience and then go beyond and when you try to do the practical > implementations is the time you start to learn in reality and grow. > > ===More about the Past ========= > Q: how did you get into sound and not some babu job? > > N: I had joined the British Trade commission . I has there as a > Marketing research officer and I worked there for 9 months. I was > there I hated their system of files piling up. ….. > > (describes of the whole babu system and his futile attempt to change > it….) > He then left the British Trade Comission and did a vocational course > in electronics from City and Guilds, London and then went to United > states of America and did his PhD in electronics in the 40’s) > > (He carries on …) > N: I had majored in television and at that point of time except > teaching students I could not do anything. I knew so much about > Radios.(narrates another fable) > I had once gone to an electronic shop in California and these people > were having problems with noise which I fixed and the owner as very > impressed so that put more confidence in me to work with radios. Their > Radio were of the make ‘Elecraft’ and there was a distortion in the > sound and I fixed it in 10 mins which they could not do for weeks. > That was my D-day. > <brief technical description of how he did it .: Disk 1 -Track 5 – > 7:30 to 9.30 > > then the owner gave me a job as a supervisor. > > While working for the Trade commission I felt like a personified > clerk. It was the same things that I was doing over and over again , > and I concluded that this wont give me happiness. I decided that I > will not work for any one else…. > The thirst in you is not quenched you see for knowledge and to do > something creative.. And if a person has a creative bent of mind you > have an urge to explore something extraordinary and I suppose that is > when money becomes secondary. You have to channel your energies to the > areas of your interest to evolve an identity. You want to know more > about the work you do so that you can do justice to your work. Then > that becomes the concept. The entire field of electronics is very vast > and is very interesting. > > Q: Tell us more about your system design. > > The biggest challenge has been of reproduction of sound equal to the > live performance. At least that was the basic criteria. There has been > a lot of gimmicks and techniques to create dramatics in sound. They > may be fine for exciting a person but ultimately when you season out > you want to be as natural as possible, that is to be closest to the > natural sound. You are not working hypothetically as one is working > with something visible and audible. > Like there are different schools of thought for kathak and tabla even > for audio design like there are different schools. So you have to > decide what school you belong to and should know the limitations of > that school of thought. Then one should try to move towards natural > reproduction and try to follow that. What you want is clear from the > start and you are trying to accomplish that. > > Then there is this fundamental of stereo recording which a lot of > companies including HMV got it all wrong. Nobody was sure of it and > the information(Audio data) was dotted wrongly into the channel. Then > there was these stereo recordings with Tabla’s daiyan(right) on one > side and baiyan(left) on one side. Now that is very stupid as it moves > away from the natural recording aspect. > > Now if we look at the Audio best design interiors like of an opera > house even there the audience will not get direct sound(which will be > around 8-12%) . Most of the sound that the audience will be getting > will be refracted sound. So your recording and reproduction should be > based on this principle and that is the idea. You are spending money > to enjoy it a live environment. It is like you are not listening to > the speakers, they don’t make their presence felt. > > There where a lot of reluctance to my designs, like why are you moving > away from the convention (shows a few photographs of his designs > --pregnant and froggies—these will be covered individully in detail > later under design evolution). > > <Then Mr. Nakara explains the basics of Speakers .how they are > constructed along with each component etc > > > > > > > > > > _________________________________________ >

20 years, 2 months

[linux-audio-user] Re: Some Musikmesse 2005 videos about the Lionstracs Mediastation

by Juhana Sadeharju

>From: Mark Constable <markc(a)renta.net> >> >> http://www.lionstracs.com/demo/video/Entratainer2005.wmv > >Requested video codec family [wmv9dmo] (vfm=dmo) not available. >Requested video codec family [wmvdmo] (vfm=dmo) not available. >Cannot find codec matching selected -vo and video format 0x33564D57. This is so common problem in my Linux. Too often Xine wants dll files of MS Windows or of Mac or otherwise proprietary codecs. The format which works everywhere is the DVD-mpeg. It is then easy to burn the videos to DVDs. Has anyone a list of open source codecs? Juhana -- http://music.columbia.edu/mailman/listinfo/linux-graphics-dev for developers of open source graphics software

20 years, 2 months

Re: [linux-audio-user] shoutcast browser?

by cmetzler＠speakeasy.net

> does anyone know of a good app for browsing and > playing shoutcast (and other) music streams? streamtuner http://www.nongnu.org/streamtuner/

20 years, 2 months

[linux-audio-user] shoutcast browser?

by Brian Dunn

does anyone know of a good app for browsing and playing shoutcast (and other) music streams?

20 years, 2 months

[linux-audio-user] data management

by R Parker

Hi, With hotplug firewire drives is it possible to assign a partition label and have any drive automatically mounted at /mnt/client/partitionlabel? Then we can compare /mnt/client/partitionlabel to /mnt/raid5/clients/clientname and if clientname == partitionlabel then rsync clientname to partitionlabel. Ron __________________________________ Do you Yahoo!? Plan great trips with Yahoo! Travel: Now over 17,000 guides! http://travel.yahoo.com/p-travelguide

20 years, 2 months

[linux-audio-user] KDE sound question - in one device, out another

by Dave Price

Greetings, I have a working KDE desktop with two sound devices recognized and working: - An onboard soundchip (137x) with line-in, mic-in, and speaker jacks. - A set of USB soundsticks - recognized as an audio output-only device. These work fine with XMMS, mpg123, and KDE desktop sounds. Is there a simple (command-line pipe) or other way to set up an audio path which would route the line-in of the onboard chipset to the USB soundstick output? I do not ncessarily need to record the audio as it passes thru, but if that was easy to punch in and out, it would be cool. Also, can anyone suggest any pointer to docs on how to best use a two device setup like mine under KDE, or linux in genera? One point of confusion is that my (Simply MEPIS) installation gave me ALSA and OSS support, and I have no clear notion as to which to use fo what nad why... I have alway just used OSS in the past as a lot of the hardware I had access to preiously has not been well supported by ALSA. TIA and aloha, dave

20 years, 2 months

[linux-audio-user] how to encode w64

by carmen

hi, im wondering how to encode several >2gb w64 files to a lossy format like mp3 or ogg this is what ive tried so far: sox: Failed reading itz.w64: Do not understand format type: w64 flac: ERROR unknown format oggenc: ERROR: Input file "itz.w64" is not a supported format ardour: plays ok, but no encoded formats available in export dialog cubase sx, wavelab, nuendo in vmware: wont launch samplitude in vmware: nothing happens soundforge8 installer in WINE: wont launch my vmware trial expired, and i didnt get to trying foobar2000 or soundforge8 in vmware, but even if they did work, the audio would have to be sent over a samba connection at a few mb/second..if samba didnt choke on the >2gb files to begin with..,. ..so hopefully linux can do this seemingly simple audio task..any ideas?

20 years, 2 months

[linux-audio-user] mount question

by R Parker

Hi, Continuing the firewire HDD scenario. We're looking at a dual enclosure in order to mirror client data to a second drive. I want each drive to have the same partitionlabel i.e. "dana." If a partitionlabel titled "dana" is mounted at /mnt/client/dana and a second partitionlabel titled "dana" is inserted into the hotplug enclosure can it be automatically mounted at /mnt/client/mirror/dana? Anybody tried something like this? -Ron __________________________________ Do you Yahoo!? Plan great trips with Yahoo! Travel: Now over 17,000 guides! http://travel.yahoo.com/p-travelguide

20 years, 2 months

Re: [linux-audio-user] audiophile 2496 with Fedora Core 3

by Michael Mossey

Thanks for your suggestions, everyone. Unofrtunately, I'm still having problems. kudzu is not finding by Audiophile 2496. I commented out the onboard sound stuff from /etc/modprobe.conf and /etc/sysconfig/hwconf and rebooted. I disabled the onboard sound in the bios--or rather, it wasn't clear what the bios options were, I selected "disable audio codec" which was the only audio-related option. I booted FC3. It detected "new hardware" which turned out to be the onboard sound. It did not detect the Audiophile 2496. This is an HP Pavilion computer. Any ideas at this point? -Mike < quote who="aljordan(a)maine.rr.com"> > When I installed Planetccrma, I had a the onboard motherboard sound card > working. When I put the Audiophile 2496 in, I installed it, let kudzu > find it. > > After bootup I edited /etc/modprobe.conf and moved the new lines for the > audiophile in front of the ones for the onboard sound, and I also reversed > the snd-card-0 snd-card-1 numbers so that the audiophile 2496 was seen as > the default sound card. > > After that I added a .asoundrc file for the audiophile 2496 to my home > directory and a system wide one to /etc based on the directions at the > alsa site: > > http://www.alsa-project.org/alsa-doc/doc-php/template.php?company=Midiman%2… > > Alan > > ----- Original Message ----- > From: Michael Mossey <mpm(a)alumni.caltech.edu> > Date: Sunday, April 17, 2005 5:24 pm > Subject: Re: [linux-audio-user] audiophile 2496 with Fedora Core 3 > >> >> Hmm, when I went to the Planet CCRMA website, it said "Install >> Fedora Core >> 3. You should now have a properly configured and working sound >> card. >> Then install the CCRMA sound applications." What's wrong with this >> picture is that I don't have a properly configured and working >> sound card >> after doing the Fedora Core 3 install. It didn't recognize my >> Audiophile2496 as far as I can tell--it configured the onboard >> sound. Can you tell >> me more specifically what you did to get the Audiophile 2496 working? >> >> Thanks, >> Mike >> >> > > >

20 years, 2 months

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Linux-audio-user April 2005