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Adding speech compression.


 

I have been reading stuff here about low power or audio for about 3 months now because my BITX40 was factory set to low power (drawing .024 mA at the final during wireup), output and also sounded like the audio should be louder. ?R136 was a mystery to everyone but me when I discovered it adjusts the PA current draw and power output. It seems to have been deleted or left out from the alignment steps at the bottom of the wire up page. Look at #5, it's blank. This is still tripping up noobs who just got one today, i'm sure.

There have been some people talking about "speech compressors". And I think it's time I try it. I never heard of it before. And some of what I have seen here including PDF's Seems to assume I already know how to pick it up and use it. I can make circuitry just fine. But it's how to make the two work together, mostly because speech compressors are totally new to me, that's holding me back from starting such a project.

Could some of you fine folks point me and probably some others of the gang, towards some basic info to bring me up to speed on using speech compression, and why I need it? And speech compressors with the BITX40 board? Some links would probably save you a bunch of writing time. But personal perspectives would be greatly appreciated too.?

Thanks in advance.

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