[pianotech] What is bloom, was RE: Tuning the duplex sections

David Love davidlovepianos at comcast.net
Wed Mar 16 15:49:42 MDT 2011


Regarding this other part of the discussion that’s latched onto this thread, how would you describe the physical properties that characterize what is often referred to as “bloom” as JD has been asking. 

 

David Love

www.davidlovepianos.com

 

From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Delwin D Fandrich
Sent: Wednesday, March 16, 2011 1:27 PM
To: pianotech at ptg.org
Subject: Re: [pianotech] Tuning the duplex sections

 

Actually “sustain rate” should be “decay rate.” The rate at which the sound energy dissipates whether into the bridge or elsewhere. In general a note with a high decay rate will also have a short sustain time but this is not always the case. Sometimes the energy in certain partials—usually the higher partials—can decay at a rapid rate while energy in other partials—usually the fundamental and lower partials—can continue sounding for a reasonable amount of time.

 

Not enough coffee.

 

ddf

 

Delwin D Fandrich

Piano Design & Fabrication

6939 Foothill Court SW, Olympia, Washington 98512 USA

Phone  360.736.7563 — Cell  360.388.6525

del at fandrichpiano.com  <mailto:del at fandrichpiano.com%20> — ddfandrich at gmail.com

 

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