Re: [Elecraft] [K3] AFX operation

2008-06-24 Thread John H Gibson
Hi Lyle,

Thank you for your explanation of how AFX works; I now better understand how 
AFX currently behaves. While listening to cw, I find that increasing DELAY 
shifts 
the apparent source of a cw signal further to the left, which makes me believe 
that AFX delays the right stereo channel. 

AFX does provide a nice spatial sense of the sound (albeit with sound sources 
shifted to the left of center). I know that your plate is full right now, but I 
was 
pleased to hear that you are thinking of a a future AFX with that spatially 
locates 
a sound source based on its pitch.

Best Regard and 73,
John, no8v

 Original message 
Date: Mon, 23 Jun 2008 16:41:39 -0700
From: Lyle Johnson [EMAIL PROTECTED]  
Subject: Re: [Elecraft] [K3] AFX operation  
To: Jeff Kinzli N6GQ [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], Elecraft Reflector elecraft@mailman.qth.net

 I have recently begun experimenting with my K3's AFX feature...
 This is not what I expected. What am I doing wrong?

The K3 does not provide a space based on pitch which is apparently 
what you were expecting.  That effect is on the list of things to 
consider for the future.

BIN provides a fixed phase shift between the two channels.

DLY provides a fixed (but user selectable) time delay between the two 
channels.  I use DLY 3.  Wayne prefers DLY 5.

This is *all* what we call psychoacoustics, mainly because we like to 
use 5 syllable words to impress :-)  Different listeners react in 
different ways to these settings.  There is no correct one; use what you 
prefer, including OFF.

73,

Lyle KK7P

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Re: [Elecraft] [K3] AFX operation

2008-06-23 Thread Jeff Kinzli N6GQ
John, that sounds like what I have experienced with AFX:BIN. Perhaps
we need to use the stereo output on the rear of the K3 for the real
effect.

AFX:DELAY5, on the other hand, does seem to lay out signals in a
virtualized manner, spatially separated in front of the listener. In
my experience, however, this effect takes time to materialze, for
me, it was a number of hours in the seat before it happened. Don't get
me wrong, AFX:DELAY5 is very comfortable to listen to, but the
virtual spatialization seemed to take a while to happen (for me,
anyway).

I wonder what other people experience in terms of time before they
notice the spatial separation?

Jeff N6GQ

On Mon, Jun 23, 2008 at 3:04 PM, John H Gibson [EMAIL PROTECTED] wrote:
 I have recently begun experimenting with my K3's AFX feature. My understanding
 is that AFX is supposed to spread cw signals across a virtual listening space 
 in
 front of the operator (distributed according to pitch?). My experience, 
 listening
 with stereo headphones and with AFX on, is that all of the sound seems to come
 from one side and slightly to the rear. With AFX off I hear a balanced sound 
 from
 the headphones that seems to be in the center of my head.

 This is not what I expected. What am I doing wrong?

 73,
 john, no8v
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Re: [Elecraft] [K3] AFX operation

2008-06-23 Thread Lyle Johnson

I have recently begun experimenting with my K3's AFX feature...
This is not what I expected. What am I doing wrong?


The K3 does not provide a space based on pitch which is apparently 
what you were expecting.  That effect is on the list of things to 
consider for the future.


BIN provides a fixed phase shift between the two channels.

DLY provides a fixed (but user selectable) time delay between the two 
channels.  I use DLY 3.  Wayne prefers DLY 5.


This is *all* what we call psychoacoustics, mainly because we like to 
use 5 syllable words to impress :-)  Different listeners react in 
different ways to these settings.  There is no correct one; use what you 
prefer, including OFF.


73,

Lyle KK7P

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Re: [Elecraft] [K3] AFX operation

2008-06-23 Thread n4lq
I could swear that the audio was louder from the left speaker than from the 
right with AFX turned on so I got out my trusty DB meter and measured each 
one. They are identical. I think this is caused by speaker location.


Steve Ellington
[EMAIL PROTECTED]
- Original Message - 
From: Lyle Johnson [EMAIL PROTECTED]

To: Jeff Kinzli N6GQ [EMAIL PROTECTED]
Cc: Elecraft Reflector elecraft@mailman.qth.net
Sent: Monday, June 23, 2008 7:41 PM
Subject: Re: [Elecraft] [K3] AFX operation



I have recently begun experimenting with my K3's AFX feature...
This is not what I expected. What am I doing wrong?


The K3 does not provide a space based on pitch which is apparently
what you were expecting.  That effect is on the list of things to
consider for the future.

BIN provides a fixed phase shift between the two channels.

DLY provides a fixed (but user selectable) time delay between the two
channels.  I use DLY 3.  Wayne prefers DLY 5.

This is *all* what we call psychoacoustics, mainly because we like to
use 5 syllable words to impress :-)  Different listeners react in
different ways to these settings.  There is no correct one; use what you
prefer, including OFF.

73,

Lyle KK7P

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