Mutis Mayfield Posted October 2, 2016 Share Posted October 2, 2016 (edited) From the cdx topic I think it could be useful to explore this option: using raspi as core for standalone system. Edited October 2, 2016 by Mutis Mayfield 4 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 12, 2016 Author Share Posted October 12, 2016 Another one very interesting and open source with files: http://pideck.com/ 2 Quote Link to comment Share on other sites More sharing options...
Guest petesasqwax Posted October 13, 2016 Share Posted October 13, 2016 That's impressively response. I'd like to see somebody cut with it 1 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 19, 2016 Author Share Posted October 19, 2016 That's impressively response. I'd like to see somebody cut with ityour wish is my command. https://youtu.be/dsz3i3ty_lE Ps: how the hell works embedding video? It doesn't work everyday in the same way and drives me crazy editing xD Quote Link to comment Share on other sites More sharing options...
Guest petesasqwax Posted October 19, 2016 Share Posted October 19, 2016 This is fucking GREAT man! This is exactly what I wanted to do but never got anywhere with because I never had the time to go much beyond installing Linux on an old laptop to start to understand it ...and because I don't know shit about shit so it would've taken me forever ! 1 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 20, 2016 Author Share Posted October 20, 2016 Well I emailed Daniel and their aim is making the installation straightforward due you are not alone in this issue my friend. So just burn the distro into sd, put it in the raspi (v3) and run! It's time to check if uca 222 or something similar is alsa compatible and suitable for the project (someone pointed me that the behringer has hardwired cue so the noise from dvs will be below the music). Quote Link to comment Share on other sites More sharing options...
Flexinoodle Posted October 20, 2016 Share Posted October 20, 2016 I will be doing tests on this as soon as poss, i will start to test out as many audio interfaces as i can, obviously looking in to some custom teensy controller to get rid of the touchscreen and keyboard bizzo too.After that, the next step is to work out what deck is easily accessible (IE Cheap) and usable, with enough case space to fit the custom controls.I'm sort of the mind set that you don't really need that many controls. 1 Quote Link to comment Share on other sites More sharing options...
Guest rasteri Posted October 20, 2016 Share Posted October 20, 2016 The raspi can do i2s, you'd probably get lower latency than a PC with an i2s soundcard rather than a USB one. 1 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 20, 2016 Author Share Posted October 20, 2016 Yeah trere was an oliffson one for the v1... maybe there is some update o new ones. I see this perfect for one deck so no need for usb and miltiple outputs for basic featurings. In the other side I will love to see one day materialized the turntable groovebox (something like a remix deck in standalone format) and them it will be cool dedicated outputs. Quote Link to comment Share on other sites More sharing options...
Guest petesasqwax Posted October 20, 2016 Share Posted October 20, 2016 Yeah, they made reference to i2s on pideck (see point 3). I'd like to see exactly what they used for this test. I might have missed it, but I didn't notice it when looking on the site. You will need:A recent Raspberry Pi (only Pi 3 model B tested so far) and power supply. First generation Raspberry Pi's are not supported, sorry Touchscreen (single-touch is enough), or a HDMI monitor and keyboard Stereo, full-duplex I2S or USB soundcard with a phono input stage, or line input and an external pre-amp, soundcard must be supported by ALSA Micro SD card for the software, at least 2GB in size, and an adaptor to flash it with Control vinyl, Serato CV02 pressing or later recommended USB stick containing your favourite music. FLAC format is recommended (16-bit 44100Hz format tested) Non-automatic record player that can hold speed, with a clean, sharp stylus. It helps scratching if the headshell and arm are adjusted correctly Slipmat, made from felt or neoprene Sheet of wax paper from the kitchen drawer, to go under the slipmat A beverage-proof case would be good. We're still working on that. 1 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 21, 2016 Author Share Posted October 21, 2016 2 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 22, 2016 Author Share Posted October 22, 2016 Daniel James one of the devs of PiDeck project comment in cdm...Hi Gabriel, the interface plugged directly into the Pi is an Audio Injector card from http://www.audioinjector.net/ which is a full duplex I2S card.We have some DMA issues with the driver for that card at the moment, so the best we have achieved with that card is a 16ms output buffer. With generic USB interfaces we have achieved a reliable 3ms output buffer at 44100kHz which compares well to the same interfaces on laptops.In theory, I2S could go even lower than 3ms but we have yet to prove that. Subjectively, I'd say the PiDeck is very responsive, easily good enough for scratching (as shown in the video from Mr. Krabs above) and beat juggling.Source:http://cdm.link/2016/10/pideck-makes-usb-stick-player-turntables/#disqus_thread 1 Quote Link to comment Share on other sites More sharing options...
indigno80 Posted October 23, 2016 Share Posted October 23, 2016 Does anyone successfully testing it with sl1 card? Quote Link to comment Share on other sites More sharing options...
Guest petesasqwax Posted October 23, 2016 Share Posted October 23, 2016 In theory, I2S could go even lower than 3ms but we have yet to prove that.[/b]Hot damn!! 1 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 23, 2016 Author Share Posted October 23, 2016 Does anyone successfully testing it with sl1 card?Searching I'm reading SL-1 is alsa compatible so it could be possible. I don't know too much about ALSA... https://www.mixxx.org/forums/viewtopic.php?f=1&t=620 1 Quote Link to comment Share on other sites More sharing options...
Guest rasteri Posted October 23, 2016 Share Posted October 23, 2016 I reckon you could get even better latency (potentially even sub-millisecond) if you ported xwax to a bare-metal microcontroller like an stm32 or something. Or perhaps used a realtime OS on the raspi. 1 Quote Link to comment Share on other sites More sharing options...
indigno80 Posted October 24, 2016 Share Posted October 24, 2016 Thanks Mutis! I will try it! 1 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 24, 2016 Author Share Posted October 24, 2016 More info about xwax on pi, i2s soundcards and GPIO switches, relative encoders and pots. First source (thanks to Ximo Roca for share it at djworx thread)https://sourceforge.net/p/xwax/mailman/xwax-devel/thread/CANxL-3WsmcGRcGHOHsSwFjjpi9RNoa8B4W5n-t-koUWYFsUvzQ%40mail.gmail.com/#msg35025004 PIAiF (i2s)http://www.dm9records.com/index.php/release/sound/piaif/ RaspiDj (GPIO)http://www.dm9records.com/index.php/release/sound/raspidj/ Extra!http://www.dm9records.com/index.php/release/sound/audio-isolator-kit-for-dj/ 3 Quote Link to comment Share on other sites More sharing options...
ximo roca Posted October 25, 2016 Share Posted October 25, 2016 (edited) Hi all, I just joined this community to discuss about all these arm soc dvs setups starting to float around, Ive been around most of those discussions going on regardng xwax. I built my system over a year and a half ago and have been using it since. My take was a bit different as I built a 2 deck setup and built a gpio based button + rotary encoder interface controller. The soc is inside the casing which has a 7" lcd i can hook up where needed, the only thing i kept external was the soundcard, and mostly so i could make the controller smaller. I didnt document everything, but if you want to take a look..... http://forum.odroid.com/viewtopic.php?f=116&t=10837 Ill update my thread with some of the missing info and if anybody wants to try something similar or you have any questions just ask.... https://www.youtube.com/watch?v=bCt9D7NgbL0 Edited October 25, 2016 by ximo roca 3 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted October 25, 2016 Author Share Posted October 25, 2016 Thanks Ximo and welcome! Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted November 12, 2016 Author Share Posted November 12, 2016 1 Quote Link to comment Share on other sites More sharing options...
Flexinoodle Posted November 13, 2016 Share Posted November 13, 2016 I wish somebody would kit these, slicker than snail shit !! 1 Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted November 13, 2016 Author Share Posted November 13, 2016 http://zalil.su/?fg=5932041 http://zalil.su/?fg=7500465 In Russian and FPGA based but documented 1 Quote Link to comment Share on other sites More sharing options...
Flexinoodle Posted November 13, 2016 Share Posted November 13, 2016 Yeah, there really is no translator for russian, it is english words, but it makes literally no sense at all.I remember his v1, and how many people tried to understand his documentation, literally nobody ever built one, there was no way whatsoever.I would love it if somebody could translate it though. Quote Link to comment Share on other sites More sharing options...
Mutis Mayfield Posted November 13, 2016 Author Share Posted November 13, 2016 Well FPGA are gorgeous in options and difficult. I see piDeck more suitable for non techies as they want to make it "plug'n play".The documentation of this one seems correct (russian aside) and maybe Rasteri could use some parts to cdx mod (if you check the diagram above it seem quite similar to the research made by him) so the problem will be more related to the code side which is the part I haven't see yet. Anyways some parts are recycable for other projects or could been take as inspiration.I expect more news on this since it seems a nice update from v1 with the screen addon but I still prefer the raspi route without doubt. Quote Link to comment Share on other sites More sharing options...
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