Ray, Right, but you'd never be aware of the delay unless the monitor was turned on.
73, Bob N7ZO -----Original Message----- From: Ray Sills [mailto:raysil...@verizon.net] Sent: Thursday, February 21, 2013 11:57 AM To: Wright, Robert Subject: Re: [Elecraft] [K3] VOX on the K3 - Smooth Voice Controller Hi Bob: I don't know what the delay interval is... but remember: sound travels about 1000 feet per second, so a 1 millisecond delay is what you encounter when the sound source is 1 foot from you. 85 milliseconds is what you would experience from a source 85 feet away. Most of the time, we are not bothered by delays of 30 milliseconds or less. 73 de Ray K2ULR On Feb 21, 2013, at 12:35 PM, Wright, Robert wrote: > Eric, > > Interesting and neat. I should have expected you were already on top > of this. :-) > > I just went back to the K3 and played with it a bit. Just by > listening, the monitor delay seems to be the same whether I have VOX > enabled or not. This is just the normal acceptable delay I have come > to expect in the K3's monitor. > > The Smooth Voice Controller had a nominal 85mSec delay (QST article > April 1992 pg. 42) and, if I recall correctly, seemed much more > noticeable than what I am hearing in the K3. Eric, can you comment on > the amount of delay used for the K3 VOXing? (Saves me setting up > for a measurement.) Does the monitor come before that delay? Am I > hearing, in the monitor, what is being transmitted (relative to the > PTT-voice timing and first syllable cut-off)? > > Thanks, Bob N7ZO > > > -----Original Message----- > From: Eric Swartz - WA6HHQ, Elecraft [mailto:e...@elecraft.com] > Sent: Thursday, February 21, 2013 8:49 AM > To: Wright, Robert > Cc: elecraft@mailman.qth.net > Subject: Re: [Elecraft] [K3] VOX on the K3 - Smooth Voice Controller > > This is -exactly- what we do in the DSP for the K3's VOX to eliminate > any cutting off of the first syllable. You can talk normally without > that 'Ahh' at the beginning of sentences to avoid loss of info ;-) > > 73, > > Eric > elecraft.com > > On 2/21/2013 8:07 AM, Wright, Robert wrote: >> I used to have a box from A&A Engineering called a Smooth Voice >> Controller. It was a VOXer with a short audio delay line (bucket >> brigade IC) to allow the PTT to get to the radio before your first >> syllable. The result was no clipping at the beginning of each >> phrase. The only downside was that monitoring yourself with >> headphones was tricky with the delay. But the VOX results were >> very good. >> >> I've always thought that this concept would be a great improvement >> to the K3's VOX and could be done readily in the DSP. It could be >> a menu setting with the voice delay variable from 0 (normal >> operation) to some fixed amount. It would only need to be enabled >> when VOX was on. >> >> 73, Bob N7ZO ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
