Guitar (hex) pickup into Max


    Sep 12 2007 | 3:12 pm
    Hello,
    I have a couple of questions for the guitar synth users:
    Firstly, from what I've read a hex pickup such as the Roland GK-3 outputs 6 signals (one for each guitar string) through a 13-pin connector. Are these audio signals? According to various web sites they are, but I sent Roland UK an email to verify this and they said that it only sends MIDI data, which would mean there is an audio-to-midi converter built directly into the pickup.
    Secondly, if they are audio signals, what is the best way to get them into a Max? I haven't been able to find a 13-pin to USB converter type thingy. I know there are devices such as the Roland GI20 which will convert the hex pickup signal to MIDI then send it to the computer, but I'd like to get the raw audio feeds in if possible.
    Thanks,
    John

    • Sep 12 2007 | 5:03 pm
      >Hello, > >I have a couple of questions for the guitar synth users: > >Firstly, from what I've read a hex pickup such as the Roland GK-3 >outputs 6 signals (one for each guitar string) through a 13-pin >connector. Are these audio signals? According to various web sites >they are, but I sent Roland UK an email to verify this and they said >that it only sends MIDI data, which would mean there is an >audio-to-midi converter built directly into the pickup. > >Secondly, if they are audio signals, what is the best way to get >them into a Max? I haven't been able to find a 13-pin to USB >converter type thingy. I know there are devices such as the Roland >GI20 which will convert the hex pickup signal to MIDI then send it >to the computer, but I'd like to get the raw audio feeds in if >possible. >
      somewhere on the web there is schematics explaining which pin i swhich string
      i have seen this page (many times) when searching things like "guitar synth" etc - should be easy to find (with google)
      best
      kasper
    • Sep 12 2007 | 5:23 pm
      ok, now i realise how incomplete my answer was
      so
      1/ the GK-3 sends audio plus some midi, from the switches
      but it sends the 6 strings audio on 6 channels (6 wires)
      2/ to get those in max i would use a 6 in audio intreface (with 6 preamps and/or 6 DI boxes) - some soldreing to get the 13 pins into 6 jacks......... (schematics on the web)
      best
      kasper
      >> >> >>I have a couple of questions for the guitar synth users: >> >>Firstly, from what I've read a hex pickup such as the Roland GK-3 >>outputs 6 signals (one for each guitar string) through a 13-pin >>connector. Are these audio signals? According to various web sites >>they are, but I sent Roland UK an email to verify this and they >>said that it only sends MIDI data, which would mean there is an >>audio-to-midi converter built directly into the pickup. >> >>Secondly, if they are audio signals, what is the best way to get >>them into a Max? I haven't been able to find a 13-pin to USB >>converter type thingy. I know there are devices such as the Roland >>GI20 which will convert the hex pickup signal to MIDI then send it >>to the computer, but I'd like to get the raw audio feeds in if >>possible. >> > > >somewhere on the web there is schematics explaining which pin i swhich string > >i have seen this page (many times) when searching things like >"guitar synth" etc - should be easy to find (with google) > >best > >kasper
    • Sep 12 2007 | 5:36 pm
      At 4:12 PM +0100 9/12/07, John wrote: >Firstly, from what I've read a hex pickup such as the Roland GK-3 outputs 6 signals (one for each guitar string) through a 13-pin connector. Are these audio signals? According to various web sites they are, but I sent Roland UK an email to verify this and they said that it only sends MIDI data, which would mean there is an audio-to-midi converter built directly into the pickup.
      Roland UK is wrong. There is no MIDI send down the 13 pin, only power, six audio channels, and the knob & switch info.
      Here's one (of many) references to the pinout: http://www.unfretted.com/loader.php?LINK=/profs/roland_gk
      -C
      -- Chris Muir | "There are many futures and only one status quo. cbm@well.com | This is why conservatives mostly agree, http://www.xfade.com | and radicals always argue." - Brian Eno
    • Sep 12 2007 | 5:47 pm
      Thanks for the help guys, I'll keep reading.
      Chris, I didn't even think to check unfretted.com, silly seeing as I plan on hooking up a GK-3 to my fretless :)
    • Sep 12 2007 | 7:23 pm
      Call for Participation! Registration is open to participate to our next workshop in Brussels, 11-14 October:
      Laptop Music workshop: Simple Genetic Algorithm for Music by Kim Cascone The purpose of this workshop is to stimulate new ways of working collaboratively and in performance with open source materials. Kim Cascone's approach is based on a simple genetic algorithmic which is 'executed' by the participants. The concept for this workshop was inspired by John Maeda's "Human Powered Computer Experiment". In this experiment Maeda recreated the internal operations of a simple computer using people to physically transport handwritten instructions and data to and from the CPU, RAM, FPU, etc. Participating in this type of experiment enables one to transfer abstract concepts from their body to their brain. In a similar spirit, this workshop develops a group workflow using the model of a Simple Genetic Algorithm (SGA) with the result being an emergent work of music/sound art. The SGA workflow for the participants group is constructed as an iterative process performed by the participants and working on a shared pool of open source sound files (the gene pool) to which fitness, matting and mutation operations are iteratively applied until a collaborative work starts to converge.
      About Kim Cascone Kim Cascone has a long history involving electronic music: he received his formal training in electronic music at the Berklee College of Music in the early 1970's, and in 1976 continued his studies with Dana McCurdy at the New School in New York City. In the 1980's, Cascone worked with David Lynch as Assistant Music Editor on both Twin Peaks and Wild at Heart. In 1991, Cascone concentrated on Silent Records, a label that he founded in 1986, transforming it into the US's premier electronic music label. At the height of Silent's success in early 1996, he sold the company to pursue a career as a sound designer and went to work for Thomas Dolby's company Headspace. After two-years at Headspace he worked for Staccato Systems as the Director of Content where he oversaw sound design using algorithmic synthesis for video games. Since 1984, Kim has released more than 30 albums of electronic music and has recorded/performed with artists such as Merzbow, Keith Rowe, Tony Conrad, Scanner, Ikue Mori, and Pauline Oliveros among others. Cascone was one of the co-founders of the microsound list, http://www.microsound.org, which focuses on issues concerning digital music and laptop performance. He has also published work for Computer Music Journal (MIT Press), Artbyte Magazine, Contemporary Music Review, and Parachute Journal.
      When ? Workshop dates are : from THU 11 OCT to SUN 14 OCT in Brussels. From 10am to 18pm with lunch break. Public concert on SUN 14.
      Where ? at iMAL, 30 Quai des Charbonnages, 1080 Brussels.
      Language ? English (c'est pour cela que cette annonce se fait uniquement en anglais...)
      Registration Only through the registration form on http://www.imal.org/cascone_workshop/ The workshop will accept a maximum of 15 participants. The participation fee is 30 EUROS.
      -- Yves Bernard yb@imal.org asbl iMAL vzw 30-34 Quai des Charbonnages 1080 Bruxelles/Brussel tel 32 2 410 30 93
    • Sep 12 2007 | 8:30 pm
      I built a cable that splits the 6 audio lines from the 13-pin DIN plug out to 6 1/4" TS plugs, plugged them directly into a MOTU Traveler and it works fine.
      -Alex
      On Sep 12, 2007, at 10:23 AM, Kasper T Toeplitz internet.fr> wrote:
      > ok, now i realise how incomplete my answer was > > so > > 1/ the GK-3 sends audio plus some midi, from the switches > > but it sends the 6 strings audio on 6 channels (6 wires) > > 2/ to get those in max i would use a 6 in audio intreface (with 6 > preamps and/or 6 DI boxes) - some soldreing to get the 13 pins into > 6 jacks......... (schematics on the web) > > best > > kasper > >>> >>> >>> I have a couple of questions for the guitar synth users: >>> >>> Firstly, from what I've read a hex pickup such as the Roland GK-3 >>> outputs 6 signals (one for each guitar string) through a 13-pin >>> connector. Are these audio signals? According to various web sites >>> they are, but I sent Roland UK an email to verify this and they >>> said that it only sends MIDI data, which would mean there is an >>> audio-to-midi converter built directly into the pickup. >>> >>> Secondly, if they are audio signals, what is the best way to get >>> them into a Max? I haven't been able to find a 13-pin to USB >>> converter type thingy. I know there are devices such as the Roland >>> GI20 which will convert the hex pickup signal to MIDI then send it >>> to the computer, but I'd like to get the raw audio feeds in if >>> possible. >>> >> >> >> somewhere on the web there is schematics explaining which pin i >> swhich string >> >> i have seen this page (many times) when searching things like >> "guitar synth" etc - should be easy to find (with google) >> >> best >> >> kasper
    • Sep 13 2007 | 2:17 pm
      Hi Yves,
      I would be very interested. I can attend 12-13 as teaching semester starts,
      please let me know if this is ok, regards Pere
      -- Pere Josep Villez Creative and Computational Sound Department of Creative Technologies University of Portsmouth 36-40 Middle Street Portsmouth PO5 Tel 00 44 23 9284 8484
      www.centuryofnoise.com www.perevillez.com
    • Sep 13 2007 | 2:57 pm
      Too bad i live in the states. Although despite my respect for Kim, i think it sucks that you have to pay to play, 30 euro participation fee...unless i read that wrong. -chuck
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