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Edited 2026.03.08 [18:31]
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Harmonic Creation
Harmonic Creation || When struck: a) the string oscillate producing A=440, b) energy is introduced into the string, c) It became a medium for the energy, d) the energy moves outward from the point of impact, e) They travel to the ends of t ...
/ The Music Telegraph
How We Hear Harmony: Frequency Relationships and the Science of Critical Bands
Harmony may feel emotional or even mystical, but our perception of chords is deeply rooted in acoustics and human biology. At its core, a chord is defined by frequency relationships, and our ears inte ...
The Music Telegraph
| 2026.02.13 14:25
About 'Spectrum of Sound': Sub-Sonic, Sonic, and Ultra-Sonic
Sound extends far beyond what human consciously hear. The human ear detects only part of a much wider frequency spectrum that affects how we sense music, vibration, and the world around us. The typica ...
The Music Telegraph
| 2025.11.28 15:28
Understanding Sound Fields: Near, Close, Critical, and Reverberant Space in Acoustics
In acoustics, the way sound behaves depends heavily on distance from the source and the behavior of reflections in the environment. Engineers divide the acoustic space around a sound source into sever ...
The Music Telegraph
| 2025.10.24 13:46
About 'Noise'
Noise is something we are quite familiar with and is a simple sound, yet its precise definition is not actually straightforward. A common definition of noise is 'a sound present in all sound environme ...
The Music Telegraph
| 2024.09.14 13:04
Allowable Human Hearing Time depending on Sound Pressure Level
The table below shows the allowable heraing time for the human ears depending on the sound pressure level. According to the table below, there is no problem for a person to listen to a sound of 85 dB ...
The Music Telegraph
| 2024.04.01 12:26
Altering Peak To Average Ratio
In digital audio, there can be no signal voltage "overs", meaning there can be no signal louder than 16 (or 24 bits) of all ones. This is measured as 0 dBfs. Beyond this level of encoded sig ...
The Music Telegraph
| 2022.08.22 13:27
Psychological Characteristics of Sound: (6) Subjective Hearing
In addition to the objective contents of sound perceived by listeners, there are also the subjective contents of sound generated by non-linear sound transmission through the Middle Ear. The reason thi ...
The Music Telegraph
| 2020.06.25 15:21
Psychological Characteristics of Sound: (5) Location of Sound
The location of sound (Sound Localization) is a very important characteristic in psychoacoustics, and virtually all sounds contain information about the location. Historically, ensembles of different ...
The Music Telegraph
| 2020.05.04 13:35
Analysis of Human Speech Voice
Human speech voices consist of three frequency bands: basic sound, vowel, and consonant. The frequency band of the basic sound ranges from 100 to 300 HZ, which determines tone of the speaker. The rang ...
The Music Telegraph
| 2020.04.20 13:08
Psychological Characteristics of Sound: (4) Modulation
If modulation occurs in a frequency within the audible frequency range, a complex spectrum is generated in that audio signal due to creation of sideband within the audible frequency band. Modulating f ...
The Music Telegraph
| 2020.03.17 16:46
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