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the lunar calendar theory of music
Description
The biological calendar that predicts the season for birth is a lunar calendar that, in humans, has somehow become the diatonic scale of music. A four-way correlation will be shown between the Meton lunar calendar, Fibonacci’s rabbit sequence, coral spawning record and both major and natural minor diatonic scales of music....
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Date
May 2, 2005
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Other links at Theory, Tuning...
Wolfstone Halloween - Speaker Impedance Matching.
Every haunt needs spooky sounds, and if you have just one speaker (mono) or one set of speakers (stereo), life is easy. Life gets complicated when you have several speakers that you want to hook up together to put the sound in more areas, or handle more power.
If you are really serious about this, you will probably want a 70-Volt speaker system. But if you rather save a couple of bucks and do a lot of hand tuning ...
What type of amplifier do you have?
Where do you find impedance?
Speaker impedance
Amplifier impedance
Why impedance-matching matters
Can you survive impedance mismatch?
What's out there?
Changing The Impedance Of Speakers
Using Many Speakers
Impedance with multiple speakers
Series circuit
Parallel circuit
Series-Parallel circuit
Complex circuits ...
Every haunt needs spooky sounds, and if you have just one speaker (mono) or one set of speakers (stereo), life is easy. Life gets complicated when you have several speakers that you want to hook up together to put the sound in more areas, or handle more power.
If you are really serious about this, you will probably want a 70-Volt speaker system. But if you rather save a couple of bucks and do a lot of hand tuning ...
What type of amplifier do you have?
Where do you find impedance?
Speaker impedance
Amplifier impedance
Why impedance-matching matters
Can you survive impedance mismatch?
What's out there?
Changing The Impedance Of Speakers
Using Many Speakers
Impedance with multiple speakers
Series circuit
Parallel circuit
Series-Parallel circuit
Complex circuits ...
Category:
Tuning and Maintenance of English-made Concertinas.
The information is generally applicable to Anglo Concertinas which have been manufactured in England, or according to the construction practices common in England. Some of the information is also applicable to the tuning and maintenance of Accordions, Melodeons, and Anglo concertinas manufactured in other locations, such as Germany, Italy, etc. You will have to use some imagination to determine how best to apply the applicable parts, and even to determine which parts are applicable....
The information is generally applicable to Anglo Concertinas which have been manufactured in England, or according to the construction practices common in England. Some of the information is also applicable to the tuning and maintenance of Accordions, Melodeons, and Anglo concertinas manufactured in other locations, such as Germany, Italy, etc. You will have to use some imagination to determine how best to apply the applicable parts, and even to determine which parts are applicable....
Category:
Hmt - Hermode tuning; program controlled tuning.
This article is an introduction to the topic of tuning. It's
intended for all musicians and music lovers who have a
keen sense of hearing and who can truly appreciate an
improved world of sound.
Note:
You can also listen to all of the sound examples used here.
In order to do this, you'll need to install a sound card and
to turn on your loudspeakers.
Hermode Tuning controls the tuning of electronic keyboard
instruments automatically during a musical performance.
A novice might be surprised about this and ask himself just
why this effort is necessary. After all, a "well-tempered
keyboard instrument" (Whatever that might actually mean) is
generally assumed to be optimally tuned. However this isn't
the case: any kind of fixed tuning is a rather poor compromise,
and even Hermode Tuning can't alleviate all kinds of tuning
problems. However, it can minimize them. Good wind or string players and singers have always been able to
produce variable intonation. But keyboard instruments - at least
up to the present - have always had a rigidly preset tuning
determined either by a piano tuner or, in the case of electronic
instruments, by a programmed table. In order to create clear
frequencies for all conceivable fifth and third intervals in all possible
chord and interval progressions, a keyboard instrument would
have to have a significantly higher number of keys per octave instead
of only the usual 12. But who could play such and instrument?
And who would want to?
Hermode Tuning can help with this problem: it retains the usual
correspondence between keys and notes while using a controlled
program to correct the individual notes of electronic instruments
so that they reach a high degree of purity. In this process, up to
50 finely graded frequencies per note are available, although the
tuning process is still compatible with fixed tuning ...
This article is an introduction to the topic of tuning. It's
intended for all musicians and music lovers who have a
keen sense of hearing and who can truly appreciate an
improved world of sound.
Note:
You can also listen to all of the sound examples used here.
In order to do this, you'll need to install a sound card and
to turn on your loudspeakers.
Hermode Tuning controls the tuning of electronic keyboard
instruments automatically during a musical performance.
A novice might be surprised about this and ask himself just
why this effort is necessary. After all, a "well-tempered
keyboard instrument" (Whatever that might actually mean) is
generally assumed to be optimally tuned. However this isn't
the case: any kind of fixed tuning is a rather poor compromise,
and even Hermode Tuning can't alleviate all kinds of tuning
problems. However, it can minimize them. Good wind or string players and singers have always been able to
produce variable intonation. But keyboard instruments - at least
up to the present - have always had a rigidly preset tuning
determined either by a piano tuner or, in the case of electronic
instruments, by a programmed table. In order to create clear
frequencies for all conceivable fifth and third intervals in all possible
chord and interval progressions, a keyboard instrument would
have to have a significantly higher number of keys per octave instead
of only the usual 12. But who could play such and instrument?
And who would want to?
Hermode Tuning can help with this problem: it retains the usual
correspondence between keys and notes while using a controlled
program to correct the individual notes of electronic instruments
so that they reach a high degree of purity. In this process, up to
50 finely graded frequencies per note are available, although the
tuning process is still compatible with fixed tuning ...
Category:
4. good-ear
This free ear training site helps you to develop good ears.
Exercises: Intervals, Scales, Chords,...
ear, training, eartraining, musician, exercises, free, online
Exercises: Intervals, Scales, Chords,...
ear, training, eartraining, musician, exercises, free, online
Category:
Kees Van Prooijen Music:
13 tones in the 3rd harmonic
I discovered this scale in the seventies during my research in generic equal temperaments. Apparently in the same timeframe, it was discovered by Heinz Bohlen and John Pierce. They have done such a wonderful job in studying and documenting this scale that it is only just that it is known by their names: the Bohlen-Pierce scale.
My first fascination with this scale was through the harmonic equivalence with the well known just intonation scale in normal 12-tone orientation in the octave. This scale is constructed from the major triads on the tonic, dominant and sub-dominant and is best depicted in a grid where the dimensions are determined by the 3rd and 5th harmonics ...
13 tones in the 3rd harmonic
I discovered this scale in the seventies during my research in generic equal temperaments. Apparently in the same timeframe, it was discovered by Heinz Bohlen and John Pierce. They have done such a wonderful job in studying and documenting this scale that it is only just that it is known by their names: the Bohlen-Pierce scale.
My first fascination with this scale was through the harmonic equivalence with the well known just intonation scale in normal 12-tone orientation in the octave. This scale is constructed from the major triads on the tonic, dominant and sub-dominant and is best depicted in a grid where the dimensions are determined by the 3rd and 5th harmonics ...
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