Don’t be fooled by this, they are picking off the monitor signal before the DSP and ALC circuits become involved in the process. When you listen to yourself in the monitor with a pair of headphones, your transmitted signal seems to sound pretty decent on AM.
There is a bit of deception going on here as well, with the way ICOM chose to implement the built-in monitor of the 756 Pro series. Even with a high quality, flat response microphone, the stock internal audio produces a very restricted and gritty sounding signal, with no processing or equalization. Unfortunately, the AM transmit side of the stock IC-756 Pro series is a somewhat different story. The available bandwidths include 3 kHz, 6 kHz, and 9 kHz positions, with the two wider ones being capable of providing some very pleasant listening experiences, especially when a good quality speaker or audio system is connected. I have tried this on my old steam powered Pentium 4 running Win XP and also on by Dual Core PC running Win 7 Professional, it worked fine on both so I have not bothered to set this up on my i5 machine.There are quite a few people running the 756 Pro series of rigs, who have discovered that it has a very nice AM receiver. Log4om Version 1.17 set to use Omnirig Rig 1 - IC-756 Pro III on Com 9 Of course the HDSDR input is set to RFSpace SDR-IQ in my case. Omnirig Rig1 is set to Icom Pro III Com 9 etc., etc I always use the Eterlogic VSP manager, but I found most Virtual Serial Port software works OK, because I also run other software that does not use Omnirig.Įterlogic VSPE Splitter connecting the rig on Com 3 to a VSP Com 9 I set it up to run with my SDR-IQ receiver, Icom ProII transceiver and Log4OM and everything synchronises fine in all directions so I don't see a need for you to run HRD also! I have just reinstalled HDSDR to try to identify your problem. EI2GLB wrote:I have a workaround to keep Log4OM and HDSDR happy, using VSPE I control HDSDR using HRD and Log4OM will run away happy as well, I don't want to run HRD as it's wasting resources on my PC but it's the best option at this time.
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