[Elecraft] Echo and feedback un SSB

Jessie Oberreuter joberreu-elecraft at moselle.com
Mon Apr 21 17:06:41 EDT 2014


      Preparing for a performance in a large out-door stadium, my voice 
coach at the time echoed me with a slight delay so I wouldn't freak out 
when it happened on stage!  For hearing what I really sound like in 
real-time, I get a good approximation by putting my palms near my mouth 
and pulling the tops of my ears down with my fingers :).  Best, of course, 
is singing into a mike and playing myself back until I get the sound I 
want.


On Sun, 20 Apr 2014, Walter Underwood wrote:

> Singers sometimes practice singing right into a corner so they can hear 
> themselves more accurately.
>
> On Apr 20, 2014, at 5:19 PM, Jim Brown <jim at audiosystemsgroup.com> 
> wrote:
>
>> Yes, long delayed echoes can make it difficult to talk or to play 
>> music. In live sound reinforcement, delays are produced by DSP, and 
>> also by the time it takes sound to get from speakers over a stage down 
>> to the audience. Delays more than about 35 msec will start causing 
>> fatigue or discomfort, and I've heard very professional announcers slow 
>> down and stop talking with delays in the 80-100 msec range.


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