The reason for sidetone is that it makes talking much easier if you can hear
your own voice. Early telephones could easily be made to have no sidetone,
but it was found that the user found it difficult to speak properly, so some
of their voice was fed back just for this purpose. If you have tried
speaking over the internet with a loudspeaker, you quickly build up several
echoes as your sidetone and your respondent's sidetone build up, so,
headphones are almost mandatory. If your headphones are for hi fi, they may
have little attenuation of the surroundings, such as my Sennheiser, but
communications headphones are usually made to keep out extraneous noise and
that's when you need sidetone. It's up to 20dB down, but nice if this is
adjustable to taste and local conditions.
David
G3UNA
----- Original Message -----
From: "Craig Rairdin" <[EMAIL PROTECTED]>
To: <elecraft@mailman.qth.net>
Sent: Monday, November 19, 2007 3:08 PM
Subject: RE: [Elecraft] KSB2 sidetone?
I cannot relate 'sidetone in the headset' with SSB operation. In CW,
there is a sidetone presented to the headphones or speaker which
follows the keying, but there is nothing of that sort for SSB.
The K3 does provide a means of monitoring the transmitted audio (but
that is not a sidetone)
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