Echo and feedback un SSB
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Hi,
New K3 owner here... I have looked in the KE7X book, and can not find the answer to two questions... 1. When in transmit using SSB, I am getting some sort of audio feedback only when I have the monitor level turned up. The louder I turn up Monitor, the more feedback I get. 2. I have somehow turned off the NR for SSB mode only... When I press the 8 key, (NR), I get N/A if in SSB mode. If in CW, it works fine... If this is in the KE7X book, I must have missed them... If it is, just let me know what section it is in and I can find it. Using this radio is somewhat of a humbling experience... I have not felt this new to a radio in decades... -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk7z.net for MixW support see; http://groups.yahoo.com/neo/groups/mixw/info for Dopplergram information see: http://groups.yahoo.com/neo/groups/dopplergram/info for MM-SSTV see: http://groups.yahoo.com/neo/groups/MM-SSTV/info ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Make sure that you are using headphones ONLY (the speaker + phones menu
entry must be off)! On 4/19/2014 8:59 AM, David Cole wrote: > Hi, > > New K3 owner here... > > I have looked in the KE7X book, and can not find the answer to two > questions... > > 1. When in transmit using SSB, I am getting some sort of audio feedback > only when I have the monitor level turned up. The louder I turn up > Monitor, the more feedback I get. > > 2. I have somehow turned off the NR for SSB mode only... When I press > the 8 key, (NR), I get N/A if in SSB mode. If in CW, it works fine... > > If this is in the KE7X book, I must have missed them... If it is, just > let me know what section it is in and I can find it. > > Using this radio is somewhat of a humbling experience... I have not > felt this new to a radio in decades... > -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/ ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Some headsets also have enough audio leakage to cause problems.
It's generally better to use monitor to check things, and then turn it off. Grant NQ5T Sent from my iPhone > On Apr 19, 2014, at 3:06 PM, Vic Rosenthal K2VCO <[hidden email]> wrote: > > Make sure that you are using headphones ONLY (the speaker + phones menu entry must be off)! > >> On 4/19/2014 8:59 AM, David Cole wrote: >> Hi, >> >> New K3 owner here... >> >> I have looked in the KE7X book, and can not find the answer to two >> questions... >> >> 1. When in transmit using SSB, I am getting some sort of audio feedback >> only when I have the monitor level turned up. The louder I turn up >> Monitor, the more feedback I get. >> >> Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Vic Rosenthal
Many, if not most, headsets found in the typical hamshack have significant audio leakage around the ear cups, and if they’re open back it’s even worse. If you’re wearing headphones with the speaker turned off, you can get still get audio feedback while MON is turned on, and of course, it gets worse the more you have the monitor level turned up.
Best thing — use MON to check your signal and rather than leave it on to listen to your own fine glorious vocal tones, turn it OFF. Grant NQ5T On Apr 19, 2014, at 3:06 PM, Vic Rosenthal K2VCO <[hidden email]> wrote: > Make sure that you are using headphones ONLY (the speaker + phones menu entry must be off)! > > On 4/19/2014 8:59 AM, David Cole wrote: >> Hi, >> >> New K3 owner here... >> >> I have looked in the KE7X book, and can not find the answer to two >> questions... >> >> 1. When in transmit using SSB, I am getting some sort of audio feedback >> only when I have the monitor level turned up. The louder I turn up >> Monitor, the more feedback I get. >> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Hi Gary,
I think you are right about MON level being too high... I will test this later today... -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk7z.net for MixW support see; http://groups.yahoo.com/neo/groups/mixw/info for Dopplergram information see: http://groups.yahoo.com/neo/groups/dopplergram/info for MM-SSTV see: http://groups.yahoo.com/neo/groups/MM-SSTV/info On Sat, 2014-04-19 at 15:55 -0500, GRANT YOUNGMAN wrote: > Many, if not most, headsets found in the typical hamshack have significant audio leakage around the ear cups, and if they’re open back it’s even worse. If you’re wearing headphones with the speaker turned off, you can get still get audio feedback while MON is turned on, and of course, it gets worse the more you have the monitor level turned up. > > Best thing — use MON to check your signal and rather than leave it on to listen to your own fine glorious vocal tones, turn it OFF. > > Grant NQ5T ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: Echo and feedback un SSB
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When I use the ssb monitor is sounds like I am at the back of a cave....still going via the settings. I may try the KX3 book by KE7X to see if that helps.
Lane On Saturday, April 19, 2014 6:38 PM, David Cole <[hidden email]> wrote: Hi Gary, I think you are right about MON level being too high... I will test this later today... -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk7z.net for MixW support see; http://groups.yahoo.com/neo/groups/mixw/info for Dopplergram information see: http://groups.yahoo.com/neo/groups/dopplergram/info for MM-SSTV see: http://groups.yahoo.com/neo/groups/MM-SSTV/info On Sat, 2014-04-19 at 15:55 -0500, GRANT YOUNGMAN wrote: > Many, if not most, headsets found in the typical hamshack have significant audio leakage around the ear cups, and if they’re open back it’s even worse. If you’re wearing headphones with the speaker turned off, you can get still get audio feedback while MON is turned on, and of course, it gets worse the more you have the monitor level turned up. > > Best thing — use MON to check your signal and rather than leave it on to listen to your own fine glorious vocal tones, turn it OFF. > > Grant NQ5T ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: Echo and feedback un SSB
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>When I use the ssb monitor is sounds like I am at the back of a
>cave A few things to check: 1. CONFIG:TX MON = FAST 2. Make sure your speaker is turned off. 3. If you have a computer sound card in the audio path, disconnect or disable K3 Line Out audio going to the sound card, so it doesn't loop audio back to the K3 audio input. Dave Hachadorian, K6LL Yuma, AZ ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Elecraft mailing list
On Apr 19, 2014, at 8:10 PM, lane zeitler via Elecraft <[hidden email]> wrote: > When I use the ssb monitor is sounds like I am at the back of a cave....still going via the settings. I may try the KX3 book by KE7X to see if that helps. > > Lane > > Did you mean K3? The standard monitor setting has noticeable DSP processing delay, and that’s probably what you’re hearing. There is a “fast” monitor setting (you’ll have to RTFM, I don’t recall sitting in front of the TV exactly in the Menus the setting is made) that will speed up the processing and eliminate the “echo” effect. Grant NQ5T ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Elecraft mailing list
Hi,
Interesting radio no? I have the K3 Book, and it is very helpful. -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk7z.net for MixW support see; http://groups.yahoo.com/neo/groups/mixw/info for Dopplergram information see: http://groups.yahoo.com/neo/groups/dopplergram/info for MM-SSTV see: http://groups.yahoo.com/neo/groups/MM-SSTV/info On Sat, 2014-04-19 at 18:10 -0700, lane zeitler wrote: > When I use the ssb monitor is sounds like I am at the back of a > cave....still going via the settings. I may try the KX3 book by KE7X > to see if that helps. > > Lane > > > On Saturday, April 19, 2014 6:38 PM, David Cole <[hidden email]> wrote: > > Hi Gary, > I think you are right about MON level being too high... I will test > this later today... > -- > Thanks and 73's, > For equipment, and software setups and reviews see: > www.nk7z.net > for MixW support see; > http://groups.yahoo.com/neo/groups/mixw/info > for Dopplergram information see: > http://groups.yahoo.com/neo/groups/dopplergram/info > for MM-SSTV see: > http://groups.yahoo.com/neo/groups/MM-SSTV/info > > > On Sat, 2014-04-19 at 15:55 -0500, GRANT YOUNGMAN wrote: > > Many, if not most, headsets found in the typical hamshack have > significant audio leakage around the ear cups, and if they’re open > back it’s even worse. If you’re wearing headphones with the speaker > turned off, you can get still get audio feedback while MON is turned > on, and of course, it gets worse the more you have the monitor level > turned up. > > > > Best thing — use MON to check your signal and rather than leave it > on to listen to your own fine glorious vocal tones, turn it OFF. > > > > Grant NQ5T > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] > > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Elecraft mailing list
Lane,
That "back of the cave" sound can be one of two things. One is that there is monitor audio reaching your microphone due to either using the speaker or audio leakage from your headphones, The second is that it is simply your perception. There is a very slight delay between your voice and the output of the monitor. If your ears are sensitive enough to pick up that delay, it will sound like an echo in your head. In other words there may be no problem. I suspect that is the case whether no 1 or no 2 is the cause. 73, Don W3FPR On 4/19/2014 9:10 PM, lane zeitler via Elecraft wrote: > When I use the ssb monitor is sounds like I am at the back of a cave....still going via the settings. I may try the KX3 book by KE7X to see if that helps. > > Lane > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: Echo and feedback un SSB
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Don,
I did not consider the inherent delay of the all digital time to process. Thinking back on my gold standard of ssb monitor circuits, the TS-830S has zero delay due to it being all analog. My TS-850 is similar, although much more modern than the 830 the ssb monitor is still all analog circuitry. It would make sense in all digital rig such as the KX3 minus of course the rf circuits but still heavily based on digital technology that there would be an unavoidable delay in the speech we emit into the mic vs what we hear back in the monitor circuit. Thanks for the tip. Lane On Sunday, April 20, 2014 11:00 AM, Don Wilhelm <[hidden email]> wrote: Lane, That "back of the cave" sound can be one of two things. One is that there is monitor audio reaching your microphone due to either using the speaker or audio leakage from your headphones, The second is that it is simply your perception. There is a very slight delay between your voice and the output of the monitor. If your ears are sensitive enough to pick up that delay, it will sound like an echo in your head. In other words there may be no problem. I suspect that is the case whether no 1 or no 2 is the cause. 73, Don W3FPR On 4/19/2014 9:10 PM, lane zeitler via Elecraft wrote: > When I use the ssb monitor is sounds like I am at the back of a cave....still going via the settings. I may try the KX3 book by KE7X to see if that helps. > > Lane > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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It is actually better to hear yourself with a slight delay. When you talk, you are not hearing yourself as others hear you due to something called 'bone conduction'. You can actually hear yourself through the mastoid bone. Have you ever listened to a recording of yourself and thought, "That's not how I sound!" That's because of bone conduction coloring your hearing of your own voice. However, hearing yourself with a slight delay gives you a better idea of what you really sound like -- how others hear you. As long as the delay doesn't make you stutter -- what my wife, a speech pathologist, calls 'proprioceptive feedback'-- this delay is useful. This is why I've always felt that the slight delay in the TX monitor is a good thing. Al W6LX ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: Echo and feedback un SSB
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So you guys are talking about the KX3 monitor, right?
I can't hear any delay in the K3 monitor, and I am VERY sensitive to that. Dave Hachadorian, K6LL Yuma, AZ -----Original Message----- From: Al Lorona Sent: Sunday, April 20, 2014 4:07 PM To: [hidden email] Subject: Re: [Elecraft] Echo and feedback un SSB It is actually better to hear yourself with a slight delay. When you talk, you are not hearing yourself as others hear you due to something called 'bone conduction'. You can actually hear yourself through the mastoid bone. Have you ever listened to a recording of yourself and thought, "That's not how I sound!" That's because of bone conduction coloring your hearing of your own voice. However, hearing yourself with a slight delay gives you a better idea of what you really sound like -- how others hear you. As long as the delay doesn't make you stutter -- what my wife, a speech pathologist, calls 'proprioceptive feedback'-- this delay is useful. This is why I've always felt that the slight delay in the TX monitor is a good thing. Al W6LX ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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for the K3's monitor setup
CONFIG/TX MON tap [DISP] read the text that crosses vfo b's screen FASt = no delay nor = delayed On 4/20/2014 6:16 PM, Dave Hachadorian wrote: > So you guys are talking about the KX3 monitor, right? > > I can't hear any delay in the K3 monitor, and I am VERY sensitive to that. > > Dave Hachadorian, K6LL > Yuma, AZ -- GB & 73 K5OAI Sam Morgan ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Dave Hachadorian-2
On 4/20/2014 4:16 PM, Dave Hachadorian wrote:
> I can't hear any delay in the K3 monitor, and I am VERY sensitive to > that. I have the capability to measure it, but I have not done so. If it's going through any DSP, there will be some, probably a few msec. I would not expect it to be a problem. The difference between what we hear through bone conduction and the actual sound of our voice is mostly the difference in frequency response between the two paths. We can get a better approximation of how we sound to others by talking straight into a hard wall at a very close distance. Now, our ears hear our voice bouncing off that wall with very little loss. There's a phenomenon called "precedence effect" that was first documented by Joseph Henry around 1850 (the guy whose name is on the unit of inductance in recognition of his inventions involving magnetics much earlier). Precedence effect describes the characteristic of human hearing that if we hear the same sound from more than one direction, we will "hear" it as a single sound, coming from the direction from which it arrives FIRST even though a later arrival is louder. There's a limit -- a loudness difference of more than 10 dB will "break" precedence. 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. 73, Jim K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: Echo and feedback un SSB
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An all this time I thought it was the shower.....
Chas ----- Original Message ----- From: "Walter Underwood" <[hidden email]> To: "[hidden email] Reflector" <[hidden email]> Sent: Sunday, April 20, 2014 8:42 PM Subject: Re: [Elecraft] Echo and feedback un SSB > Singers sometimes practice singing right into a corner so they can hear > themselves more accurately. > > wunder > > On Apr 20, 2014, at 5:19 PM, Jim Brown <[hidden email]> wrote: > >> On 4/20/2014 4:16 PM, Dave Hachadorian wrote: >>> I can't hear any delay in the K3 monitor, and I am VERY sensitive to >>> that. >> >> I have the capability to measure it, but I have not done so. If it's >> going through any DSP, there will be some, probably a few msec. I would >> not expect it to be a problem. >> >> The difference between what we hear through bone conduction and the >> actual sound of our voice is mostly the difference in frequency response >> between the two paths. >> >> We can get a better approximation of how we sound to others by talking >> straight into a hard wall at a very close distance. Now, our ears hear >> our voice bouncing off that wall with very little loss. >> >> There's a phenomenon called "precedence effect" that was first documented >> by Joseph Henry around 1850 (the guy whose name is on the unit of >> inductance in recognition of his inventions involving magnetics much >> earlier). Precedence effect describes the characteristic of human hearing >> that if we hear the same sound from more than one direction, we will >> "hear" it as a single sound, coming from the direction from which it >> arrives FIRST even though a later arrival is louder. There's a limit -- a >> loudness difference of more than 10 dB will "break" precedence. >> >> 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. >> >> 73, Jim K9YC >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[hidden email] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [hidden email] > > -- > Walter Underwood > [hidden email] > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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That's always worked for me, and I can't sing.
73, Fred K6DGW - Northern California Contest Club - CU in the 2014 Cal QSO Party 4-5 Oct 2014 - www.cqp.org On 4/20/2014 5:54 PM, Charlie T, K3ICH wrote: > An all this time I thought it was the shower..... > > Chas ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: Echo and feedback un SSB
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Intentional slight delay = Elecraft got it right again!
Lane On Monday, April 21, 2014 12:10 PM, Fred Jensen <[hidden email]> wrote: That's always worked for me, and I can't sing. 73, Fred K6DGW - Northern California Contest Club - CU in the 2014 Cal QSO Party 4-5 Oct 2014 - www.cqp.org On 4/20/2014 5:54 PM, Charlie T, K3ICH wrote: > An all this time I thought it was the shower..... > > Chas ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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On 4/21/2014 12:10 PM, lane zeitler via Elecraft wrote:
> Intentional slight delay = Elecraft got it right again! Not quite. There MUST be some small delay if the signal goes through DSP. In this case, A/D conversion (mic to digital), DSP processing, D/A conversion (digital to analog to feed the headphones or speaker). 73, Jim K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: Echo and feedback un SSB
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In reply to this post by Jim Brown-10
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 <[hidden email]> > 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. Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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