From: "Hans Pizka" <[EMAIL PROTECTED]> Reply-To: The Horn List <[EMAIL PROTECTED]> To: The Horn List <[EMAIL PROTECTED]> Subject: Re: [Hornlist] Stopped Horn Pitch Date: Sun, 12 Sep 2004 07:33:37 +0200 (MEST)
It seems a bit difficult to fill the mouth with helium at many places where stopping occurs right after a very short pause of just half a measure or less, like before the last written long held "e" in the Long Call.
And to Carson: timber & timbre a most different things.
To William: the F horn came first place not because of the abilities to produce a better pitched stopped sound. It came as first choice because of the sound qualities (4 - 5 additional sounds enriching the quality, while the Bb horn has 1 - 3, the high F just the mere wave). Indeed, one can arrive at similar sound qualities with a well blown Bb horn, and sometimes the Bb horn must be the only choice for the best result. Also, these decisions are not for the average non professional but for the very professional who really controls the horn.
William & Karl gave quite excellent explanations for the "gestopft" & "gedaempft" (Echo horn is not the same as "hand muted" or "gedaempft" , it is a different effect), while Graeme pointed to the complexity of this thematic & its only relevance for academic research without any practical benefit.
Knowing what to do rigt for the best possible result is much more important
than all theories. For those interested earnestly, I would recommend to read
the articles provided by acoustician & horn player Dr.Robert Pyle, some 15
years ago in the Horn Call.
Greetings from Madrid Hans (on tour with Zubin Mehta, Don Quixote & Heldenleben) ==================================================================
<<<........ A similar effect happens when you > introduce dense air into the > column - try filling your horn (and mouth) with helium (very dense > compared to nitrogen) and > you'll notice the pitch rise quite a bit and a stopped horn tone quality > without the hand in the > bell. .....>>>>
-- SigfridFafner the under ground horn player from Vienna
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