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Groups > sci.electronics.design > #454172 > unrolled thread

Another Word For Linear?

Started by"nuny@bid.nes" <alien8752@gmail.com>
First post2017-03-29 18:38 -0700
Last post2017-04-03 00:33 -0400
Articles 14 on this page of 34 — 21 participants

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Contents

  Another Word For Linear? "nuny@bid.nes" <alien8752@gmail.com> - 2017-03-29 18:38 -0700
    Re: Another Word For Linear? eacaws@gmail.com - 2017-03-29 18:48 -0700
    Re: Another Word For Linear? bill.sloman@ieee.org - 2017-03-29 18:50 -0700
    Re: Another Word For Linear? Don Y <blockedofcourse@foo.invalid> - 2017-03-29 19:22 -0700
      Re: Another Word For Linear? Larry Sheldon <lfsheldon@gmail.com> - 2017-03-30 00:45 -0500
        Re: Another Word For Linear? Don Y <blockedofcourse@foo.invalid> - 2017-03-29 22:52 -0700
          Re: Another Word For Linear? Larry Sheldon <lfsheldon@gmail.com> - 2017-03-30 02:48 -0500
            Re: Another Word For Linear? bulegoge@columbus.rr.com - 2017-03-30 10:37 -0700
            Re: Another Word For Linear? Don Y <blockedofcourse@foo.invalid> - 2017-03-30 12:47 -0700
              Re: Another Word For Linear? gray_wolf <g_wolf@nospam.com> - 2017-03-30 19:31 -0500
                Re: Another Word For Linear? Don Y <blockedofcourse@foo.invalid> - 2017-03-30 18:19 -0700
              Re: Another Word For Linear? dagmargoodboat@yahoo.com - 2017-04-03 15:03 -0700
                Re: Another Word For Linear? krw@notreal.com - 2017-04-03 20:39 -0400
                  Re: Another Word For Linear? dagmargoodboat@yahoo.com - 2017-04-05 11:03 -0700
    Re: Another Word For Linear? tabbypurr@gmail.com - 2017-03-29 20:03 -0700
      Re: Another Word For Linear? Tim Wescott <tim@seemywebsite.com> - 2017-03-29 22:17 -0500
      Re: Another Word For Linear? Clifford Heath <no.spam@please.net> - 2017-03-29 15:26 +1100
        Re: Another Word For Linear? tabbypurr@gmail.com - 2017-03-29 21:30 -0700
    Re: Another Word For Linear? bitrex <bitrex@de.lete.earthlink.net> - 2017-03-30 00:16 -0400
      Re: Another Word For Linear? BM2335 <BM265@DMM.com.au> - 2017-03-30 12:18 +0800
      Re: Another Word For Linear? Clifford Heath <no.spam@please.net> - 2017-03-29 15:56 +1100
        Re: Another Word For Linear? bitrex <bitrex@de.lete.earthlink.net> - 2017-03-30 01:13 -0400
      Re: Another Word For Linear? krw@notreal.com - 2017-03-30 20:47 -0400
    Re: Another Word For Linear? Jeff Liebermann <jeffl@cruzio.com> - 2017-03-29 22:34 -0700
      Re: Another Word For Linear? Larry Sheldon <lfsheldon@gmail.com> - 2017-03-30 00:48 -0500
      Re: Another Word For Linear? Don Y <blockedofcourse@foo.invalid> - 2017-03-30 00:06 -0700
    Re: Another Word For Linear? Larry Sheldon <lfsheldon@gmail.com> - 2017-03-30 00:39 -0500
    Re: Another Word For Linear? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-03-30 08:14 +0100
    Re: Another Word For Linear? djlocher56@gmail.com - 2017-03-30 04:41 -0700
    Re: Another Word For Linear? Jon Elson <elson@pico-systems.com> - 2017-03-30 16:47 -0500
      Re: Another Word For Linear? Jeff Liebermann <jeffl@cruzio.com> - 2017-03-30 17:03 -0700
      Re: Another Word For Linear? Phil Allison <pallison49@gmail.com> - 2017-03-30 17:20 -0700
    Re: Another Word For Linear? John Fields <jfields@austininstruments.com> - 2017-03-30 19:23 -0500
    Re: Another Word For Linear? "Michael A. Terrell" <mike.terrell@earthlink.net> - 2017-04-03 00:33 -0400

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#454196

FromClifford Heath <no.spam@please.net>
Date2017-03-29 15:56 +1100
Message-ID<58dc8ba3$0$53151$c3e8da3$fdf4f6af@news.astraweb.com>
In reply to#454191
On 30/03/17 15:16, bitrex wrote:
> On 03/29/2017 09:38 PM, nuny@bid.nes wrote:
>>   Suppose someone comes to you with a piece of audio gear with a
>> volume knob with all its response at one end. You immediately know
>> that some idiot subbed a linear pot for a log pot (or vice versa
>> depending on the circuit).
>>
>>   While trying to explain the cause and your solution, how do you
>> describe it? I'm looking for colloquial terms your average idiot in
>> the street will grasp
>> intuitively.
>>
>>   "The new control will operate more smoothly."
>>
>>   "...proportionately."
>>
>>   "...evenly."
>>
>>   TIA
>>
>>   Mark L. Fergerson
>>
>
> "The loudification effect will be more spread out instead of all the
> louds being concentrated at one end"

Nice :)

Except it's the opposite way; a linear pot makes all the softs crowd at 
one end.

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#454198

Frombitrex <bitrex@de.lete.earthlink.net>
Date2017-03-30 01:13 -0400
Message-ID<Qt0DA.89559$aX.18287@fx05.iad>
In reply to#454196
On 03/29/2017 12:56 AM, Clifford Heath wrote:
> On 30/03/17 15:16, bitrex wrote:
>> On 03/29/2017 09:38 PM, nuny@bid.nes wrote:
>>>   Suppose someone comes to you with a piece of audio gear with a
>>> volume knob with all its response at one end. You immediately know
>>> that some idiot subbed a linear pot for a log pot (or vice versa
>>> depending on the circuit).
>>>
>>>   While trying to explain the cause and your solution, how do you
>>> describe it? I'm looking for colloquial terms your average idiot in
>>> the street will grasp
>>> intuitively.
>>>
>>>   "The new control will operate more smoothly."
>>>
>>>   "...proportionately."
>>>
>>>   "...evenly."
>>>
>>>   TIA
>>>
>>>   Mark L. Fergerson
>>>
>>
>> "The loudification effect will be more spread out instead of all the
>> louds being concentrated at one end"
>
> Nice :)
>
> Except it's the opposite way; a linear pot makes all the softs crowd at
> one end.

Ah, right. Then how about:

"It'll go:

1-2-3-4-5-6-7-8-9-10-11

instead of:

1-2-8-11-11-11-11-11-11-11-11"

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#454310

Fromkrw@notreal.com
Date2017-03-30 20:47 -0400
Message-ID<gn9rdc5p374qklpoq1k89kr09uedl8r0jm@4ax.com>
In reply to#454191
On Thu, 30 Mar 2017 00:16:05 -0400, bitrex
<bitrex@de.lete.earthlink.net> wrote:

>On 03/29/2017 09:38 PM, nuny@bid.nes wrote:
>>   Suppose someone comes to you with a piece of audio gear with a volume knob with all its response at one end. You immediately know that some idiot subbed a linear pot for a log pot (or vice versa depending on the circuit).
>>
>>   While trying to explain the cause and your solution, how do you describe it? I'm looking for colloquial terms your average idiot in the street will grasp
>> intuitively.
>>
>>   "The new control will operate more smoothly."
>>
>>   "...proportionately."
>>
>>   "...evenly."
>>
>>   TIA
>>
>>   Mark L. Fergerson
>>
>
>"The loudification effect will be more spread out instead of all the 
>louds being concentrated at one end"

Just tell him that it'll fix the amp so it'll go to eleven, again.

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#454199

FromJeff Liebermann <jeffl@cruzio.com>
Date2017-03-29 22:34 -0700
Message-ID<5s4pdct1ao5krijsro8orpkm83emonc3bh@4ax.com>
In reply to#454172
On Wed, 29 Mar 2017 18:38:17 -0700 (PDT), "nuny@bid.nes"
<alien8752@gmail.com> wrote:


> While trying to explain the cause and your solution, 
> how do you describe it? I'm looking for colloquial 
> terms your average idiot in the street will grasp
> intuitively.

It might help if you spoke the customers dialect:

"Your ear has a non-linear dynamic range of about 140dB.  Your volume
control should do the same".

"If you plant your boom box on your shoulder and aim the speaker into
your ear, you don't want the tiny adjustment range to blow your ears
out.  In order to spread out the range, the control has to be
non-linear."

"You have a cheap volume pot.  Buy my better one and it will adjust
and sound more better."

  Seems to be a broken pot.
  Which looks to be quite shot.
  For a small price,
  it will sound nice,
  and not cost you a lot.


-- 
Jeff Liebermann     jeffl@cruzio.com
150 Felker St #D    http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann     AE6KS    831-336-2558

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#454202

FromLarry Sheldon <lfsheldon@gmail.com>
Date2017-03-30 00:48 -0500
Message-ID<ek3khdFlf5fU2@mid.individual.net>
In reply to#454199
On 3/30/2017 00:34, Jeff Liebermann wrote:
> On Wed, 29 Mar 2017 18:38:17 -0700 (PDT), "nuny@bid.nes"
> <alien8752@gmail.com> wrote:
>
>
>> While trying to explain the cause and your solution,
>> how do you describe it? I'm looking for colloquial
>> terms your average idiot in the street will grasp
>> intuitively.
>
> It might help if you spoke the customers dialect:
>
> "Your ear has a non-linear dynamic range of about 140dB.  Your volume
> control should do the same".
>
> "If you plant your boom box on your shoulder and aim the speaker into
> your ear, you don't want the tiny adjustment range to blow your ears
> out.  In order to spread out the range, the control has to be
> non-linear."
>
> "You have a cheap volume pot.  Buy my better one and it will adjust
> and sound more better."
>
>   Seems to be a broken pot.
>   Which looks to be quite shot.
>   For a small price,
>   it will sound nice,
>   and not cost you a lot.
>
>


I like it.


-- 
quis custodiet ipsos custodes?
-- Juvenal

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#454208

FromDon Y <blockedofcourse@foo.invalid>
Date2017-03-30 00:06 -0700
Message-ID<obiakt$p4$1@dont-email.me>
In reply to#454199
On 3/29/2017 10:34 PM, Jeff Liebermann wrote:
> On Wed, 29 Mar 2017 18:38:17 -0700 (PDT), "nuny@bid.nes"
> <alien8752@gmail.com> wrote:
>
>
>> While trying to explain the cause and your solution,
>> how do you describe it? I'm looking for colloquial
>> terms your average idiot in the street will grasp
>> intuitively.
>
> It might help if you spoke the customers dialect:
>
> "Your ear has a non-linear dynamic range of about 140dB.  Your volume
> control should do the same".

No, that's getting the customer to speak *your* dialect!

People are notoriously bad at gauging differences in "volume levels",
"light intensities" -- even speeds and weights (less so) WITHOUT some
numerical indicator that they can consult.

Tell the person closest to the "stereo" at a party that the music should
be "twice as loud".  What do you think he will do?  Move the volume
control from "3" to "6"?  What if the control isn't labeled?  Or, if there
are "VU" meters on the front panel?  Chances are, he'll just cautiously
bump it up and look back over at *you* for confirmation.

Likewise, tell someone to make the lights "twice as bright", etc.

They don't care about the resistance between the wiper and the end
terminal; or the overall gain; or the average voltage across the speaker;
or the current through the lamp filament; etc.  That just adds another
issue that you have to explain.

Even traveling on a roadway it's hard for folks to gauge their (instantaneous)
speed relative to some "reference" speed -- unless there is some "regular"
feature that they can observe in passing (e.g., the stripes on the roadway).

Instead, think of how an "average idiot in the street" would describe
the action (i.e., perceived results) of a "non-linear" control.  Then,
turn the description inside out for your "proper" control.

> "If you plant your boom box on your shoulder and aim the speaker into
> your ear, you don't want the tiny adjustment range to blow your ears
> out.  In order to spread out the range, the control has to be
> non-linear."
>
> "You have a cheap volume pot.  Buy my better one and it will adjust
> and sound more better."
>
>   Seems to be a broken pot.
>   Which looks to be quite shot.
>   For a small price,
>   it will sound nice,
>   and not cost you a lot.

"Can we make everything louder than everything else?"

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#454200

FromLarry Sheldon <lfsheldon@gmail.com>
Date2017-03-30 00:39 -0500
Message-ID<ek3k1jFle52U1@mid.individual.net>
In reply to#454172
On 3/29/2017 20:38, nuny@bid.nes wrote:
>   Suppose someone comes to you with a piece of audio gear with a volume knob with all its response at one end. You immediately know that some idiot subbed a linear pot for a log pot (or vice versa depending on the circuit).
>
>   While trying to explain the cause and your solution, how do you describe it? I'm looking for colloquial terms your average idiot in the street will grasp
> intuitively.
>
>   "The new control will operate more smoothly."
>
>   "...proportionately."
>
>   "...evenly."

"Correct dosing for this application."

If they know enough for further discussion try "resistance-change per 
degree has to match human ear loudness perception, usually said to be a 
relationship where small changes are more notieable at low volumes that 
at high volumes".

I favor staying at all times factually correct: your PC candidates are 
simply wrong, meaningless at best.


-- 
quis custodiet ipsos custodes?
-- Juvenal

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#454209

FromTom Gardner <spamjunk@blueyonder.co.uk>
Date2017-03-30 08:14 +0100
Message-ID<if2DA.614476$qK5.424088@fx45.am4>
In reply to#454172
On 30/03/17 02:38, nuny@bid.nes wrote:
>   Suppose someone comes to you with a piece of audio gear with a volume knob with all its response at one end. You immediately know that some idiot subbed a linear pot for a log pot (or vice versa depending on the circuit).
>
>   While trying to explain the cause and your solution, how do you describe it? I'm looking for colloquial terms your average idiot in the street will grasp
> intuitively.

You might start by using the most frequent ten-hundred
words listed at
<http://splasho.com/upgoer5/phpspellcheck/dictionaries/1000.dicin>

You can automatically validate sentences at
<http://splasho.com/upgoer5/>

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#454218

Fromdjlocher56@gmail.com
Date2017-03-30 04:41 -0700
Message-ID<674a9d1e-144d-4150-9e89-c4f61fb4a613@googlegroups.com>
In reply to#454172
On Wednesday, March 29, 2017 at 9:38:27 PM UTC-4, nu...@bid.nes wrote:
> Suppose someone comes to you with a piece of audio gear with a volume knob with all its response at one end. You immediately know that some idiot subbed a linear pot for a log pot (or vice versa depending on the circuit).
> 
>   While trying to explain the cause and your solution, how do you describe it? I'm looking for colloquial terms your average idiot in the street will grasp
> intuitively.
> 
>   "The new control will operate more smoothly."
> 
>   "...proportionately."
> 
>   "...evenly."
> 
>   TIA
> 
>   Mark L. Fergerson

Just tell them they are an idiot.  

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#454278

FromJon Elson <elson@pico-systems.com>
Date2017-03-30 16:47 -0500
Message-ID<p-mdna_LWe9A4UDFnZ2dnUU7-Y-dnZ2d@giganews.com>
In reply to#454172
nuny@bid.nes wrote:

>   Suppose someone comes to you with a piece of audio gear with a volume
>   knob with all its response at one end. You immediately know that some
>   idiot subbed a linear pot for a log pot (or vice versa depending on the
>   circuit).
> 
>   While trying to explain the cause and your solution, how do you describe
>   it? I'm looking for colloquial terms your average idiot in the street
>   will grasp
> intuitively.
> 
>   "The new control will operate more smoothly."
> 
>   "...proportionately."
> 
>   "...evenly."
The control will properly match the response of the human ear, which is 
HIGHLY non-linear.  The pot has an approximation of the inverse of the ear's 
non-linearity.

Jon

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#454300

FromJeff Liebermann <jeffl@cruzio.com>
Date2017-03-30 17:03 -0700
Message-ID<en4rdchrvncecnm2kqqeoffd5pigk175g6@4ax.com>
In reply to#454278
On Thu, 30 Mar 2017 16:47:28 -0500, Jon Elson <elson@pico-systems.com>
wrote:

>The control will properly match the response of the human ear, which is 
>HIGHLY non-linear.  The pot has an approximation of the inverse of the ear's 
>non-linearity.
>
>Jon

My not so technical customers will surely ask:
  "Inverse?  Are you suggesting that I try standing on my 
  head to invert my ears, while smoking pot, to fix the linearity?
  I dunno about dat."

Drop your IQ and shrink your vocabulary a few notches and maybe
they'll understand.  Also, 4 syllable words, like "approximation", do
not compute with the GUM (great unwashed masses).  This thing requires
short words with few syllables and very simple thoughts.

Maybe something like this:
  Y'er brain and ears are mush from too much grunge, punk, heavy
metal, trance, and gothic rock.  They are no longer in tune wit da
tronics.  I ain't gonna fix your ears, but I kin tweak da controls to
make your brain think it sounds good, without the pot or other drugs.

  I am the wizard of sound.
  The problem I've already found.
  With speakers you sit,
  so eardrums will split,
  and rhythm you brutally pound.

  What you need is a better pot.
  The knob, the drug it is not.
  Get out your check book,
  and I'll take a look,
  and do try to thank me a lot.

(Hint:  I only write poetry when I'm angry, irate, frustrated,
irritated, disgusted, etc.)

-- 
Jeff Liebermann     jeffl@cruzio.com
150 Felker St #D    http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann     AE6KS    831-336-2558

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#454302

FromPhil Allison <pallison49@gmail.com>
Date2017-03-30 17:20 -0700
Message-ID<6cdf08b7-c32e-4f71-abfd-a444ed9b8708@googlegroups.com>
In reply to#454278
Jon Elson wrote:

>
> The control will properly match the response of the human ear, which is 
> HIGHLY non-linear.  The pot has an approximation of the inverse of the ear's 
> non-linearity.
> 
> 

** This is a very poor explanation, ears are not "non-linear". 

The simple reason is that a linear pot does not permit adjustment of level over a wide enough range to do the job.

For domestic hi-fi audio, that range is about 60dB or 1000:1 in level. 

Only a non-linear pot can do so by employing a varying track resistance along its length.


....  Phil 
 

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#454304

FromJohn Fields <jfields@austininstruments.com>
Date2017-03-30 19:23 -0500
Message-ID<8t7rdcd89agu8n9jsvv1t13s5vfrs0t76i@4ax.com>
In reply to#454172
On Wed, 29 Mar 2017 18:38:17 -0700 (PDT), "nuny@bid.nes"
<alien8752@gmail.com> wrote:

>  Suppose someone comes to you with a piece of audio gear with a volume knob with all its response at one end. You immediately know that some idiot subbed a linear pot for a log pot (or vice versa depending on the circuit).
>
>  While trying to explain the cause and your solution, how do you describe it? I'm looking for colloquial terms your average idiot in the street will grasp
>intuitively.
>
>  "The new control will operate more smoothly."
>
>  "...proportionately."
>
>  "...evenly."
>
>  TIA
>
>  Mark L. Fergerson

---
The new control will cause the volume change to vary linearly with the
change in the knob's rotation?

John Fields 

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#454865

From"Michael A. Terrell" <mike.terrell@earthlink.net>
Date2017-04-03 00:33 -0400
Message-ID<WeOdnVstdY0rTXzFnZ2dnUU7-VGdnZ2d@earthlink.com>
In reply to#454172
nuny@bid.nes wrote:
>   Suppose someone comes to you with a piece of audio gear with a volume knob with all its response at one end. You immediately know that some idiot subbed a linear pot for a log pot (or vice versa depending on the circuit).
>
>   While trying to explain the cause and your solution, how do you describe it? I'm looking for colloquial terms your average idiot in the street will grasp
> intuitively.
>
>   "The new control will operate more smoothly."
>
>   "...proportionately."
>
>   "...evenly.""



    You want a Volume control, not a Voltage control..."

-- 
Never piss off an Engineer!

They don't get mad.

They don't get even.

They go for over unity! ;-)

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