The Les Hall Show

Chestnut · Joined: Aug 19, 2011 Posts: 11 Location: Texas

enjoyed the show

Inventor · Posted: Sat Aug 20, 2011 1:28 am Post subject:

Cynosure · Posted: Sat Aug 20, 2011 8:13 am Post subject:

Another good one with lots learned. Thanks!

Inventor · Posted: Tue Aug 23, 2011 10:52 pm Post subject:

I have decided to create a pdf file for each week's show so we can all reference the illustrations as I discuss them without having to navigate the forum. Here is last week's pdf file.

Les

TLHS Linear CMOS.pdf

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Linear CMOS pdf file

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TLHS Linear CMOS.pdf

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Inventor · Posted: Wed Aug 24, 2011 4:57 pm Post subject:

Here is this week's circuit. I even got it to resonate with my voice, so cool! Gonna be a good show I hope...

Les

Vocal Boolan Sequencer.pdf

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this week's pdf file

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Vocal Boolan Sequencer.pdf

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Sonic · Joined: Dec 02, 2010 Posts: 103 Location: Toronto

Sorry I missed the show tonight, Les. Showtime always falls during the period when I make dinner for the kids. Looking forward to listening when you get a chance to upload.

Inventor · Posted: Fri Sep 02, 2011 3:39 pm Post subject:

This week's show turned out quite well, I'm sure you will enjoy it - lots of weird sounds and I even got the voice modulation working pretty well after a bit of rewiring during the show. Was lots of fun, enjoy!

Les

The Les Hall Show 20110902 1654.mp3

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The show recording

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The Les Hall Show 20110902 1654.mp3

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Sonic · Joined: Dec 02, 2010 Posts: 103 Location: Toronto

Just finished listening to this last show. Most enjoyable. Thank you. It's widened my understanding and given me some new techniques to experiment with.

Anyway, you asked for comments so here goes...

I 'm a beginner, but there was nothing in the show I couldn't understand. Don't be afraid to crank up the complexity a little. We can always pester you in the forum or the chatroom, and the more discussion generated the better surely?

I'm not sure about splitting up the show into sections. You should do whatever you enjoy best. I always appreciate any kind of instruction in electronics, but it was also enjoyable when you improvised your circuit, swapping wires and so forth. Any sort of unexpected results and discoveries are great, and are in the spirit of live transmission and lunettas in general.

I have a couple of questions. Hope you don't mind me firing them at you. If you like you could answer them on the next show, or here on the forum. Or not at all. Smile

1. How is it that the logic 'cloud' seems to add harmonic content to the signal? Is it doing anything other than rearranging and mixing square waves of various frequencies?

2. AC-coupling - this is a new concept for me. You used it a few times in this circuit. Am I right in that the reason you used it was to act as a sort of high-pass filter to isolate the higher frequencies from your voice? Assuming I haven't already got this wrong already, why is this? Would the higher frequencies of your voice more efficiently modulate the frequency of the oscillator, and if so, why?

3. What other sources of modulation input might we explore? There's voice and guitar obviously. What about intentionally picking up radio interference? (this is more a thinking aloud than a question...)

Anyway looking forward to the next one...

Richard

Inventor · Posted: Tue Sep 06, 2011 8:25 am Post subject:

Richard, thanks for the feedback - sounds like a plan! I'll answer your questions on the show.

Les

Inventor · Posted: Fri Sep 09, 2011 11:35 am Post subject:

This week's show will be about the guitar pickup invention. Here is the pdf file.

Les

TLHS Guitar Invention.pdf

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the pdf file

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Inventor · Posted: Mon Sep 12, 2011 1:55 am Post subject:

This show was all about guitars, specifically the guitar invention that DrJustice and I created. It's finger pickin' good!

Les

The Les Hall Show 20110909 1757.mp3

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the guitar show

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The Les Hall Show 20110909 1757.mp3

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Sonic · Joined: Dec 02, 2010 Posts: 103 Location: Toronto

Great sounds this week Les. Really enjoyed your jamming. What was the synthesized drum sound you used? Sounded very Drexciya-ish with the strange rhythms from the boolean sequencer.

Thanks for answering my questions. Most helpful. I'll be doing some reading about A/C coupling / D/C blocking I think.

Inventor · Posted: Thu Sep 15, 2011 2:52 pm Post subject:

Sonic, the drum sounds are ChucK models made by kijjaz. He used to make all kinds of models and I would make applications from them. I have not seen kijjaz in a while though, years really.

Les

Inventor · Posted: Fri Aug 17, 2012 4:21 pm Post subject:

Here is an hour long show in which I tell all there is to know about the emSynth project / hobby business of ours / mine. Great if you're into inexpensive yet awesome sounding miniature modular synthesizers.

Les

The Les Hall Show 20120817 1702.mp3

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All about emSynth Show

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The Les Hall Show 20120817 1702.mp3

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Inventor · Posted: Thu Sep 13, 2012 1:33 pm Post subject:

a show about me and my music. pretty good one, nothing special about it.

Les

The Les Hall Show 20120824 1658.mp3

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The Les Hall Show 20120824 1658.mp3

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Inventor · Posted: Thu Sep 13, 2012 1:46 pm Post subject:

If I recall correctly (its been 2 weeks) this show is Strobie old and new, go Strobie go go go go rock us out with your magic music, man! yeah!!!!

Les

The Les Hall Show 20120831 1659.mp3

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The Les Hall Show 20120831 1659.mp3

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Inventor · Posted: Fri Sep 21, 2012 6:38 am Post subject:

This was an excellent interview with Psyingo, or Phil, whose music is under the name Ruin. The music is great, the conversation wonderful, and I gained a new friend in the process - nothing better than that!

Les

The Les Hall Show 20120914 1700.mp3

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The Les Hall Show 20120914 1700.mp3

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Inventor · Posted: Fri Sep 21, 2012 4:58 pm Post subject:

This show turned out well, it was a news and mainly emSynth show with a great jam session at the end. Get your emSynth update here!

Les

The Les Hall Show 20120921 1700.mp3

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The Les Hall Show 20120921 1700.mp3

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-minus- · Joined: Oct 26, 2008 Posts: 780 Audio files: 13

Really enjoying the interview show with psyingo, and the music! I missed it when it aired and it's nice to have it posted here to listen to later. +1 to those living in poverty and confined spaces. You're not alone. More of the interview shows please Les! Great show guys!

Inventor · Posted: Tue Oct 16, 2012 6:05 pm Post subject:

great Minus, will do! Sorry I missed last week, i was in the hospital - feeling much better now.

Les

Ganzha · Posted: Mon Dec 31, 2012 2:47 pm Post subject: Cool show

I like it very much!
Great show!