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The Les Hall Show
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Chestnut



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

PostPosted: Fri Aug 19, 2011 6:26 pm    Post subject: Reply with quote  Mark this post and the followings unread

enjoyed the show
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Stream Operator


Joined: Oct 13, 2007
Posts: 5978
Location: San Antonio, Tx, USA
Audio files: 258

PostPosted: Sat Aug 20, 2011 1:28 am    Post subject: Reply with quote  Mark this post and the followings unread

Torvald wrote:
enjoyed the show


Glad you liked it, I had fun. As usual things started off slow and then got better and best toward the end of the show. I played music from a ChucK-based software linear CMOS model implementing a boolean sequencer clocked at audio rates into a block of approximately 32 linear CMOS amplifier summed to the output.

I talked about CMOS theory but just analagously using the water tower example of pipes and valves representing wires and transistors. Then we took a tour of the linear CMOS thread in the Lunetta subforum and finally I talked about the software model while modifying it and playing many examples.

It was a good time and worth a listen (just over one hour).

Les


The Les Hall Show 20110819 1655.mp3
 Description:
the linear CMOS show

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 Filename:  The Les Hall Show 20110819 1655.mp3
 Filesize:  59.89 MB
 Downloaded:  563 Time(s)


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Cynosure
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Joined: Dec 11, 2010
Posts: 709
Location: Toronto, Ontario - Canada
Audio files: 42

PostPosted: Sat Aug 20, 2011 8:13 am    Post subject: Reply with quote  Mark this post and the followings unread

Another good one with lots learned. Thanks!
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Stream Operator


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PostPosted: Tue Aug 23, 2011 10:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

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
 Description:
Linear CMOS pdf file

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 Filename:  TLHS Linear CMOS.pdf
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Stream Operator


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PostPosted: Wed Aug 24, 2011 4:57 pm    Post subject: Reply with quote  Mark this post and the followings unread

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
 Description:
this week's pdf file

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 Filename:  Vocal Boolan Sequencer.pdf
 Filesize:  851.45 KB
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Sonic



Joined: Dec 02, 2010
Posts: 84
Location: Toronto

PostPosted: Fri Aug 26, 2011 4:02 pm    Post subject: Reply with quote  Mark this post and the followings unread

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.
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PostPosted: Fri Sep 02, 2011 3:39 pm    Post subject: Reply with quote  Mark this post and the followings unread

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
 Description:
The show recording

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 Filename:  The Les Hall Show 20110902 1654.mp3
 Filesize:  78.88 MB
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Sonic



Joined: Dec 02, 2010
Posts: 84
Location: Toronto

PostPosted: Sun Sep 04, 2011 3:16 pm    Post subject: Reply with quote  Mark this post and the followings unread

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
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Stream Operator


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PostPosted: Tue Sep 06, 2011 8:25 am    Post subject: Reply with quote  Mark this post and the followings unread

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

Les

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PostPosted: Fri Sep 09, 2011 11:35 am    Post subject: Reply with quote  Mark this post and the followings unread

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

Les


TLHS Guitar Invention.pdf
 Description:
the pdf file

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 Filename:  TLHS Guitar Invention.pdf
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PostPosted: Mon Sep 12, 2011 1:55 am    Post subject: Reply with quote  Mark this post and the followings unread

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
 Description:
the guitar show

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 Filename:  The Les Hall Show 20110909 1757.mp3
 Filesize:  49.07 MB
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Sonic



Joined: Dec 02, 2010
Posts: 84
Location: Toronto

PostPosted: Wed Sep 14, 2011 7:45 pm    Post subject: Reply with quote  Mark this post and the followings unread

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.
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PostPosted: Thu Sep 15, 2011 2:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

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

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PostPosted: Fri Aug 17, 2012 4:21 pm    Post subject: Reply with quote  Mark this post and the followings unread

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
 Description:
All about emSynth Show

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 Filename:  The Les Hall Show 20120817 1702.mp3
 Filesize:  59.64 MB
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PostPosted: Thu Sep 13, 2012 1:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

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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 Filename:  The Les Hall Show 20120824 1658.mp3
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PostPosted: Thu Sep 13, 2012 1:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

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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 Filename:  The Les Hall Show 20120831 1659.mp3
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PostPosted: Fri Sep 21, 2012 6:38 am    Post subject: Reply with quote  Mark this post and the followings unread

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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 Filename:  The Les Hall Show 20120914 1700.mp3
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Stream Operator


Joined: Oct 13, 2007
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Location: San Antonio, Tx, USA
Audio files: 258

PostPosted: Fri Sep 21, 2012 4:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

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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 Filename:  The Les Hall Show 20120921 1700.mp3
 Filesize:  55.07 MB
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-minus-



Joined: Oct 26, 2008
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PostPosted: Sat Oct 13, 2012 7:39 am    Post subject: Reply with quote  Mark this post and the followings unread

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!
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PostPosted: Tue Oct 16, 2012 6:05 pm    Post subject: Reply with quote  Mark this post and the followings unread

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

Les

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Ganzha



Joined: Sep 15, 2008
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PostPosted: Mon Dec 31, 2012 2:47 pm    Post subject: Cool show Reply with quote  Mark this post and the followings unread

I like it very much!
Great show!

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