Vuvuzela
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From: Michael A. Terrell on 25 Jun 2010 17:17 Joerg wrote: > > Nico Coesel wrote: > > "amdx" <amdx(a)knology.net> wrote: > > > >> The vuvuzela produces notes at approximately 235Hz frequency and its first > >> partial at 465Hz. > >> American tv soccer fans need a filter to rid the audio of the constant > >> noise caused be the vuvuzela. > > > > Our kids already regret talking my wife into buying vuvuzelas for > > them. We use the vuvuzelas to wake them up in the morning :-) > > > > Tell them it could be worse. Army: Trumpet, followed by a LOUD whistle. > Then doors banging open and if anyone was found inside still in his bunk > bed this whistle was blown at full lung volume, right next to the bunk > bed. Worked, made the guy sit straight up, every single time :-) In the US Army it was Reveille followed by an angry drill sergeant tipping over your bed, if you were still in it. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Joerg on 25 Jun 2010 17:26 Michael A. Terrell wrote: > Joerg wrote: >> Nico Coesel wrote: >>> "amdx" <amdx(a)knology.net> wrote: >>> >>>> The vuvuzela produces notes at approximately 235Hz frequency and its first >>>> partial at 465Hz. >>>> American tv soccer fans need a filter to rid the audio of the constant >>>> noise caused be the vuvuzela. >>> Our kids already regret talking my wife into buying vuvuzelas for >>> them. We use the vuvuzelas to wake them up in the morning :-) >>> >> Tell them it could be worse. Army: Trumpet, followed by a LOUD whistle. >> Then doors banging open and if anyone was found inside still in his bunk >> bed this whistle was blown at full lung volume, right next to the bunk >> bed. Worked, made the guy sit straight up, every single time :-) > > > In the US Army it was Reveille ... Did the follow the Reveille with a cannon shot? > ... followed by an angry drill sergeant > tipping over your bed, if you were still in it. > Yikes. Ours never did that. Would have been mildly problematic because we had bunk beds, the top part was around 5ft high and heavy steel. But there was talk about the occasional bucket of cold water sloshing into some faces. -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
From: RST Engineering on 25 Jun 2010 18:56 On Fri, 25 Jun 2010 14:14:35 -0500, "amdx" <amdx(a)knology.net> wrote: >The vuvuzela produces notes at approximately 235Hz frequency and its first >partial at 465Hz. > American tv soccer fans need a filter to rid the audio of the constant >noise caused be the vuvuzela. > > Here's your chance to be a hero! > Mike > What is a "partial". If you mean second harmonic, it is at 470, not 465. Jim
From: amdx on 25 Jun 2010 20:15 -- MikeK "RST Engineering" <jweir43(a)gmail.com> wrote in message news:i0da269vgn1g0un1gb3epl61hjhvcspiic(a)4ax.com... > On Fri, 25 Jun 2010 14:14:35 -0500, "amdx" <amdx(a)knology.net> wrote: > >>The vuvuzela produces notes at approximately 235Hz frequency and its first >>partial at 465Hz. >> American tv soccer fans need a filter to rid the audio of the constant >>noise caused be the vuvuzela. >> >> Here's your chance to be a hero! >> Mike >> > What is a "partial". If you mean second harmonic, it is at 470, not > 465. > > Jim I didn't mean anything by it, that was a line from wikipedia. How about a few hemholtz resonators near the tv, And how would that work with thousands of signals out of phase? I added sci.physics.acoustics for their input. MikeK
From: George Jefferson on 25 Jun 2010 22:52
"RST Engineering" <jweir43(a)gmail.com> wrote in message news:i0da269vgn1g0un1gb3epl61hjhvcspiic(a)4ax.com... > On Fri, 25 Jun 2010 14:14:35 -0500, "amdx" <amdx(a)knology.net> wrote: > >>The vuvuzela produces notes at approximately 235Hz frequency and its first >>partial at 465Hz. >> American tv soccer fans need a filter to rid the audio of the constant >>noise caused be the vuvuzela. >> >> Here's your chance to be a hero! >> Mike >> > What is a "partial". If you mean second harmonic, it is at 470, not > 465. > Wowzer!!! You can multiply by two!! Must be some feat of unnatural intelligence going on there! |