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Electrical Engineering and Audio
On 3/15/15 10:20 PM, ScottW wrote:
If you believe this...then nothing is truly known, and that includes what you "also know". Yep. The one thing that is required of a scientific theory is that it must be possible to prove it is false. It is considered valid until that point. To banish static, Armstrong turned to frequency modulation, bucking the accepted (and mathematically "proven") wisdom of the day that FM offered no advantage over AM. I think you're confusing science with politics and business. It's never been beyond people with financial or political motives to make fraudulent scientific claims. Big money invested in AM did not want FM to succeed. Everything I've read says that Armstrongs first demo clearly demonstrated superior performance and in spite of all efforts by RCA and ATT, FM eventually surpassed AM in the market. That was after the fact. Before the fact apparently it was a proven scientific theory that FM could not be better than AM. Once this theory was falsified by Armstrong's first demo, politics and business entered in to delay its acceptance. The interesting thing is it was only a delay. It took FM some 30 years to dominate radio (mostly due to gov't regulatory meddling). How long did it take digital to surpass analog in audio recordings? Some would say digital hasn't surpassed analog. My ears aren't good enough to tell the difference. That wasn't the point. My point was that Nyquist's theory is just that, accepted until proven wrong. It may never be proven wrong, but there are people who are trying. It may be absolutely correct or not, but it is not the gospel some folks believe it to be. |
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