On 5/20/2015 1:14 AM, Patrick Martin wrote:
I guess nulling FM or AM hash is the same. I have tried to get "any" hash at this location. To date I have still never detected any. Now, it could be that the hash is so weak not the detect.
Something else to consider about "hash": you won't generally hear it from the audio output of an HD radio. "Hash" is digital data being received on an analog receiver, right? You hear it as static because the analog receiver doesn't know what else to do with it. But an HD radio's DSP *knows* what to do with it and knows not to pass it out as analog noise, so it will either mute on the adjacent channel or even use the DSP to do some really advanced filtering to pull out analog adjacent-channel audio from right under the digital data.
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