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8ve
Oscillator (Home
page)
An oscillator with sine, square, pulse,
triangular, sawtooth and noise. Fundamental frequency
can be changed (except noise!) in octaves between 125
Hz, and 16 kHz or set to arbitrary values in the hearing
range (20 Hz to20 kHz). Useful for acoustic, equipment
and hearing testing. |

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8ve Oscillator
Lite (Home
page)
A lite version
of 8ve Oscillator sharing all its features except that
the fundamental frequency can not be set arbitrarily
and its range of octaves is limited to being between
250 Hz and 8 kHz. Useful for acoustic, equipment and
hearing testing. |
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Organ Stops
(Home
page)
Shows all footages of all pipe organs
stops along with a library of nearly 600 stop names
for manuals and over 300 stop names for pedals. Touching
the stop knob plays the bottom note for that footage
including a 128' pedal stop which has a frequency of
4 Hz (4 times a second) and yes you can hear this on
an iPhone/iTouch loudspeaker! |
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Frequency
asked questions on davidmhoward.com Apps
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