In a message dated 7/1/00 4:40:44 PM Central Daylight Time, charly_tuner@hotmail.com (Charly Tuner) writes: << Maybe it's because i didn't get much sleep last night, but for some weird reason, this morning I noticed GLARING imperfections in unisons (on my own piano) that were beatless the night before, and when i attempted to touch them up, I found myself, seemingly, hearing all kinds of inharmonicites and false beats, no matter where i tested them! Then I muted all but one string and STILL heard beats in almost ALL tri/bi chords! Coils were tight, strings seated fine. Then I took a nap and when i woke up I immediately went to the piano and sat down and listened again...it sounded fine! Could it be that my hearing was compromised, or even "hyper" sensitive in my over-tired state? Very strange indeed. >> Was there by any chance, a ceiling fan going nearby when you noticed this weird beating? If there was, it will cause the very effects you describe. Here, in Southern Wisconsin, it can get rather warm in the Summertime and sometimes I have to make the decision about whether to turn that fan off or benefit by its cooling effects and try to disregard the tremolo effect it has on piano tone. I'll bet that ceiling fans are much more common and used more than airconditioning where you live. If there was no fan, I don't have any explanation except that sometimes, when the body is under great stress, the senses do go a bit haywire. All it usually takes to recover is rest, hydration and nourishment. Regards, Bill Bremmer RPT Madison, Wisconsin
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