Intentionally Transmitting Non Flat SSB Audio ?

Discussion in 'Ham Radio Discussions' started by KA7NIQ, Apr 3, 2011.

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  1. KR2C

    KR2C Platinum Subscriber Platinum Subscriber QRZ Page

    Right. At least these guys are experimenting with something to maybe make the hobby better (they also might be going down a dead end road). Let them do their thing and have fun. As Charlie said, as lonk as they keep it to 3Khz.
  2. W2NAP

    W2NAP Ham Member QRZ Page

    whats next echo mics?
  3. NY3V

    NY3V Ham Member QRZ Page

    What about the Oxygen free Gold plated zero impedance microphone cables? :D
  4. KA4DPO

    KA4DPO Platinum Subscriber Platinum Subscriber QRZ Page

    If they want to make the hobby better they should spend their time experimenting with antennas and stop pretending that ESSB is not a burden on every operator around them. The laws of physics are what they are and you can't put 6 plus KHZ of analog audio in 3KHZ wide envelope.

    And to answer G0GKQ, you bet there is money in it. Just look at all the advertisements for audio accessories aimed at the ESSB crowd. The original poster hit the nail on the head, make the minimum necessary adjustments to the transmit audio and let the receiving station tailor it to suit themselves.
  5. WB2WIK

    WB2WIK Platinum Subscriber Platinum Subscriber QRZ Page

    I don't run more than 2.7 kHz TX BW for SSB (I set it wider for AM) but having high quality modulation is very helpful, almost always. Not only is it more pleasurable for others to hear, but it gets through better because it's clearer and less distorted. A very good (which can mean expensive) microphone is an asset to most SSB stations, and there's usually no need for external devices to make them sound better because they can already sound excellent.

    The difference between a very good mike and many cheaper ones is overall clarity, lack of pops and hisses, rejection of background noise and vibration and other distracting things.

    Even when Collins was selling ham gear, mostly very restricted in TX bandwidth, they sold and recommended very high quality microphones to go with it. They were right.

    A lot of "regular guys" on the ham bands -- not eSSBers, just regular folks using a mike plugged into their transmitters -- sound awful. Many of the biggest offenders are those who think they can sit back 12" or more from their microphone, turn up the gain so they still modulate their transmitters, and transmit that way. Unless they're operating from anechoic chambers, this normally sounds terrible.

    Then, I don't have to answer them, so I don't.:)
  6. KR2C

    KR2C Platinum Subscriber Platinum Subscriber QRZ Page

    Audio equalization and ESSB are two different things. Sure adding EQ to an ESSB signal is part of what thos guys do but also understand that there is quite a good benefit for EQ on a standard SSB signal also.
  7. WS4B

    WS4B Ham Member QRZ Page

    As pretty much a former ESSBer, the tweaking of the audio is for those that can hear the differences. I agree that many that go this route overemphasize the lows, and do not have a shared balance of audio frequencies with their modulation. They give everyone in the ESSB niche a bad name, and hearing them makes me cringe. So I understand your opinion of that aspect.

    That is utterly false!! ESSB encompasses any SSB signal regardless of bandwidth that has taken steps to enhance it's audio quality. While I seldom use SSB anymore, My FT-102 that has a 2.8 Kc SSB bandwidth is truly ESSBed (if that is such a term) due to my audio rack that is in line. I get almost as many audio compliments on that set up as when I run my 950SDX at a larger bandwidth. Again only those that have extended SSB bandwidth filters can tell the difference between the two. An easy example would be someone listening on a SDR.

    As a personal side note, I am surprised that those that really want to improve the quality of their audio don't just take up AM. That's what I did last year, and there is just no going back for me. In addition, most receivers can "hear" the differences that one is doing to improve their audio. Therefore tweaking the sound of your signal that only a low percentage of people can hear is no longer an issue. I am not talking about 10-20 Kc AM signals, just something more in line of 6-8 Kc.

    So if any hard-core ESSBers are reading this thread, come to the other side of great audio in AM! I guarantee you'll love it!!!!
  8. WA6MHZ

    WA6MHZ Premium Subscriber QRZ Page

    I don't care in the SLIGHTEST how good my audio sounds. I don't care if it is anywhere NEAR what my real voice sounds like. I have only ONE GOAL:
    That is for the DX station to hear MY CALL over the others calling. He doesn't care either what my voice sounds like. He only wants to know what my callsign is. He doesn't care where I am, what the weather is, what radio I am running or even what my NAME IS!!!! That is all IRRELAVENT!!! The ONLY and I mean ONLY thing important is 6 characters : "W", "A", "6", "M", "H", "Z". He needs NO MORE information than that. He won't comment on how great my audio is. He will say ONLY ONE THING:
    and I will respond "QSL! 73's!!!" which won't be heard as now 100,000 others will be calling over me drowning me out. But if he got my call right, that is the ONLY THING I care about. Any improvements done to the station is ONLY to enhance getting my call through in the Next pileup!
  9. KA7NIQ

    KA7NIQ Ham Member QRZ Page

    Negative Good Buddy, Mercy Sakes Alive, how about Echo Mikes with a Roger Beep on 20 Meters, 10 -4 ?
  10. KA7NIQ

    KA7NIQ Ham Member QRZ Page

    Only IF pure silver litz wire wire is used that has been cryogenically treated. ALL electrolytic capacitors in the transmit chain signal path should be swapped out for polyproplyne capacitors, and all soldered connections need to be resoldered with silver solder.
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