Two new patches

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This topic contains 5 replies, has 3 voices, and was last updated by  Martin Klang 1 year, 9 months ago.

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  • #2237

    manwithfeathers
    Participant

    I’ve added two basic patches written in Pure Data:

    There is a GlitchyMonoLooper:
    https://hoxtonowl.com/patch-library/patch/GlitchyMonoLooper/

    This lets you record up to 3 seconds of audio, then play with end point and speed. It is quite noisey (when changing endpoint – this seems to be a problem with pure data and tabread~ that I haven’t figured out yet). However, you get some nice unpredictable behaviour from it.

    The second patch is a straighforward MonoLooper. This just records and loops up to 3 seconds of audio.

    I’m looking into “layering” loops, but suspect this needs more memory…

    Anyway, please play about with them, any feedback much appreciated.

    Adam

    #2238

    JoseFuzzNo
    Participant

    Hi, I’ve been working on something similar. It’s published now:
    https://hoxtonowl.com/patch-library/patch/Looper/

    It’s more intended as a guitar effect. A crazy one 😀
    You need an expression pedal to trigger it.

    About layering loops, you dont need more memory. Just plug the output of [tabread~] into a mixer with the input signal. This way when you record the loop, you record on top of the old one.

    #2239

    manwithfeathers
    Participant

    Sorry to repeat your work! That’s a great tip for layering! I will try and implement it now 🙂

    I will do a facebook post on the Rebel Tech page linking to all three loopers later on today (i just broke facebook on my computer by deleting certificates in keychain – oops! I thought macs were bullet proof in this respect!)

    Adam

    #2240

    Martin Klang
    Keymaster

    I’ve ported a couple of things:

    Gordon Pearce’s SimpleReverb
    https://hoxtonowl.com/patch-library/patch/SimpleReverb/
    (took about 10mins to get working!)

    Juhana Sadeharju’s GVerb (aka GigaVerb)
    https://hoxtonowl.com/patch-library/patch/GVerb/
    This is a gigantic reverb that used to ship with Audacity

    dr Petter’s SFXR
    https://hoxtonowl.com/patch-library/patch/SFXR/
    Hours of fun with instant game audio effects!
    Two notes:
    1) the web audio version isn’t functional because we haven’t yet got a pushbutton. Working on it.
    2) to run well on the pedal it should be compiled with e.g. make LDSCRIPT=Source/ccmheap.ld. The downloadable sysex version will glitch. Working on this, too.

    • This reply was modified 1 year, 9 months ago by  Martin Klang. Reason: fixed make command
    #2242

    JoseFuzzNo
    Participant

    GVerb is awesome! I’ve been using it for a couple of years. It’s great to have it on the OWL.

    One suggestion. Due to the ADC’s noise, the size control sometimes makes a “glitch”. It’s subtle but it is there. With a little more smoothing has disappeared.
    size = 0.9 * size + 0.1 * getParameterValue(PARAMETER_A)*GVerb::MAX_SIZE+1.0f;

    size has to be declared on the class.

    About point 2): you’re talking about the “pop” sounds right? Without polling values from the OWL it doesn’t pop.
    By the way, using ccmheap.ld it doesn’t work for me. It makes a big noise at startup and then nothing. In fact I tried other patches with this script and they make a lot of noises.

    #2248

    Martin Klang
    Keymaster

    Good call, added the smoothing.

    Yes I meant the audio drop outs. Not sure why ccmheap.ld is not working for you, though I’d messed up the command; updated.

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