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Phasing “Strobe” while Double Bowing
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Irv
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January 2, 2019 - 4:33 pm
Member Since: December 23, 2017
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My method book made its way to double bowing, and I think that I have a knack for it.  But I ran into a slight problem.  Any suggested help is welcomed.

While bowing the G string and the noted G on the D string together, I get a phasing strobe of about 1 to 2 beats a second.  I can shift the time interval between beats by shifting the fingering on the D string, but I cannot seem to eliminate it.  It only occurs when using my “responsive” pernambuco bow.  I don’t think that the violin has a wolf tone because it is an electric violin.  Can a bow have a fundimental tone?

Research is what I’m doing when I don’t know what I’m doing.  —Werner von Braun

Without deviation from the norm, progress is not possible.         —Frank Zappa

Experience is a difficult teacher, it gives the test first and the lesson after.

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Fiddlerman
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January 3, 2019 - 3:18 pm
Member Since: September 26, 2010
Forum Posts: 14807

Irv said
.....I don’t think that the violin has a wolf tone because it is an electric violin.  Can a bow have a fundimental tone?  

I don't know about that but it may be possible. I've always felt that the vibrations from the bow are heard strictly from the instrument. The wolf is a mystery. Can you catch it on a video?

"The richest person is not the one who has the most,
but the one who needs the least."

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Irv
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January 3, 2019 - 5:14 pm
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The beat is likely due to a very slight dissentance between the two frequencies.  That is the acoustic principle behind the Bose active noise cancelling headphones.  But in that case I should be able to stop it by moving my finger.  It does not stop.  I put a small strobe tuner on the violin, and it locks onto the sound and does not vary at all (about the only time I have ever seen the dial stop).  Can a bow have a wolf tone?

No clue on how to do a video, but if it gets me a badge I’ll sure try.

Research is what I’m doing when I don’t know what I’m doing.  —Werner von Braun

Without deviation from the norm, progress is not possible.         —Frank Zappa

Experience is a difficult teacher, it gives the test first and the lesson after.

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