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What determines the pitch of a sound? [1]
Two notes of the same amplitude and sounded on the same instrument will differ in pitch when their vibrations are of different frequencies.. Compare the sounds made by a Cuckoo and roar of a Tiger
What Determines The Pitch Of A Sound? [2]
Bạn đang xem: 13 which of the following determines the precise pitch of a sound? Tutorial
A sound’s pitch is determined by the speed at which its soundwaves vibrate. When you pluck a guitar string, for example, it vibrates at a given frequency
That’s why an 80Hz tone, for instance, is lower in pitch than a 440Hz tone. The 80Hz tone vibrates 80 times per second, while the 440Hz tone vibrates 440 times per second.
To truly understand what determines pitch, one needs to know a little bit about the physics of sound, take a deep dive into how soundwaves behave and analyze other aspects that can influence the character of a sound.. That object’s vibration then causes the surrounding air molecules to vibrate, giving way to a chain reaction
[Solved] Which among the following determines the pitch of a sound? [3]
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Pitch (music) [4]
Pitch is a perceptual property of sounds that allows their ordering on a frequency-related scale,[1] or more commonly, pitch is the quality that makes it possible to judge sounds as “higher” and “lower” in the sense associated with musical melodies.[2] Pitch is a major auditory attribute of musical tones, along with duration, loudness, and timbre.[3]. Pitch may be quantified as a frequency, but pitch is not a purely objective physical property; it is a subjective psychoacoustical attribute of sound
Pitch is an auditory sensation in which a listener assigns musical tones to relative positions on a musical scale based primarily on their perception of the frequency of vibration (audio frequency).[5] Pitch is closely related to frequency, but the two are not equivalent. Frequency is an objective, scientific attribute that can be measured
However, this does not necessarily mean that most people won’t agree on which notes are higher and lower.. The oscillations of sound waves can often be characterized in terms of frequency
Perfect pitch, explained [5]
Perfect pitch refers to a person’s ability to identify any musical note by name after hearing it, without reference to other notes. Perfect pitch—also known more technically as absolute pitch—can also refer to the ability that some singers have to sing a given note on cue.
Perfect pitch refers to a person’s ability to identify a musical note correctly upon hearing it. For example, if someone were to play the note C sharp (C#) on the piano, a person with perfect pitch would be able to name the note without having seen which key was struck
Famous musicians including Ella Fitzgerald and Wolfgang Amadeus Mozart had perfect pitch, which has been considered a rare ability. However, research conducted at the University of Chicago on the science of auditory learning has complicated the idea that perfect pitch is an all-or-nothing ability that only a select few can acquire if they learn music early in life during a “critical period” of sensitivity
The Elements of Pitch:Sound, Symbol, and Tone [6]
This is “The Elements of Pitch:Sound, Symbol, and Tone”, chapter 2 from the book Music Theory (v. For details on it (including licensing), click here.
See the license for more details, but that basically means you can share this book as long as you credit the author (but see below), don’t make money from it, and do make it available to everyone else under the same terms.. This content was accessible as of December 29, 2012, and it was downloaded then by Andy Schmitz in an effort to preserve the availability of this book.
However, the publisher has asked for the customary Creative Commons attribution to the original publisher, authors, title, and book URI to be removed. Additionally, per the publisher’s request, their name has been removed in some passages
Musical sound – Pitch Standardization, Human Perception, and Equal Temperament [7]
A highly developed musical culture demands a precise standardization of pitch, and Western theory has been occupied with this task from as early as Aristoxenus (4th century bce). Especially since the Renaissance, when instruments emerged as the principal vehicles of the musical impulse, problems of pitch location (tuning) and representation (notation) have challenged the practicing musician
Although the standardization of the pitch name a′ (within the middle of the piano keyboard) at 440 cycles per second has been adopted by most of the professional music world, there was a day—even during the mid-18th century of Johann Sebastian Bach—when pitch uniformity was unknown.. Human perception of pitch is confined within a span of roughly 15 to 18,000 cycles per second
The pitch spectrum is divided into octaves, a name derived from the scale theories of earlier times when only eight (Latin octo) notes within this breadth were codified. Today the octave is considered in Western music to define the boundaries for the pitches of the chromatic scale
Frequency and Pitch [8]
What is frequency? Frequency is “how often” something happens. Since sound is vibrations, we use frequency to describe how often something is vibrating
A “complete” vibration is called a “cycle,” measured at one full peak and trough of a wave (i.e. the maximum distance or ‘amplitude’ above the middle or ‘0’ point, represented on the x-axis)
The above picture is a sine wave––the purest representation of a single frequency or vibration. The time it takes for the wave to complete one cycle is the wave’s frequency (again, “how often” it is vibrating)
Music perception, pitch, and the auditory system [9]
The perception of music depends on many culture-specific factors, but is also constrained by properties of the auditory system. This has been best characterized for those aspects of music that involve pitch
Pitch combinations give rise to emergent properties not present in the component notes. In this review we discuss the basic auditory mechanisms contributing to these and other perceptual effects in music.
This topic is not a new one, but recent methods and findings have made important contributions. We will review these along with some classic findings in this area
Physics of Sound – Music and Health (Development Version) [10]
– Define sound and how it travels from a source to our ears.. – Recognize how our brains dissect incoming auditory information in order to understand music.
How does a single speaker transmit all of this information to our ear? We know sound travels as a wave, but now imagine one sound wave containing the melodic, harmonic, and rhythmic information of each instrument. Now think about what happens when this mysterious wave reaches our ear
Our ears and brain must take this single wave and extract the drums, guitar, bass guitar, and vocals and process this information in a way that allows it to make sense—allowing us to hear the song.. In his TED talk, Michael Tilson Thomas described classical music as “a dialogue between the two powerful sides of our nature: instinct and intelligence” (Thomas, 2012)
Sound Quality or Timbre [11]
Sounds may be generally characterized by pitch, loudness, and quality. Sound “quality” or “timbre” describes those characteristics of sound which allow the ear to distinguish sounds which have the same pitch and loudness
Timbre is mainly determined by the harmonic content of a sound and the dynamic characteristics of the sound such as vibrato and the attack-decay envelope of the sound.. Some investigators report that it takes a duration of about 60 ms to recognize the timbre of a tone, and that any tone shorter than about 4 ms is perceived as an atonal click
The primary contributers to the quality or timbre of the sound of a musical instrument are harmonic content, attack and decay, and vibrato. For sustained tones, the most important of these is the harmonic content, the number and relative intensity of the upper harmonics present in the sound.Some musical sound sources have overtones which are not harmonics of the fundamental
Music Crash Courses [12]
Every tone (sustained pitch) is actually a composite of several different pitches. These ‘extra’ pitches, called overtones, are resonant frequencies occurring above the main pitch, called the fundamental
Since dividing a string in half causes it to vibrate twice as fast, the frequencies of harmonics can found by multiplying the frequency of the fundamental pitch by 2, 3, 4, and so on.. |Harmonic Number ( )||Frequency in Hz||Pitch Name||Ratio from Previous Harmonic ( )||Interval from Previous Harmonic|
Note that the first three intervals created by successive pitches in the harmonic series are an octave, a perfect fifth, and a perfect fourth. Because of this relationship, these intervals sound particularly consonant and are called the ‘perfect’ intervals
Sound Waves [13]
In physiology, sound is produced when an object’s vibrations move through a medium until they enter the human eardrum. In physics, sound is produced in the form of a pressure wave
While the physiological definition includes a subject’s reception of sound, the physics definition recognizes that sound exists independently of an individual’s reception. You may recognize this section from our blog post, “What is a Sound Wave in Physics?” Keep reading for a more in-depth look at sound waves.
You’re likely to find the sounds produced by a piano player soft, audible, and musical. And while the sound of road construction early on Saturday morning is also audible, it certainly isn’t pleasant or soft
Sources
- https://byjus.com/question-answer/what-determines-the-pitch-of-a-sound/#:~:text=Pitch%20of%20sound%20is%20determined,vibrations%20are%20of%20different%20frequencies.
- https://www.musicianwave.com/what-determines-the-pitch-of-a-sound/
- https://testbook.com/question-answer/which-among-the-following-determines-the-pitch-of–5b3b6c1ccfd9520c27147c3d
- https://en.wikipedia.org/wiki/Pitch_(music)
- https://news.uchicago.edu/explainer/what-is-perfect-pitch
- https://2012books.lardbucket.org/books/music-theory/s07-the-elements-of-pitch-sound-sy.html
- https://www.britannica.com/science/musical-sound/Division-of-the-pitch-spectrum
- https://dobrian.github.io/cmp/topics/physics-of-sound/1.frequency-and-pitch.html
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2629434/
- https://ufl.pb.unizin.org/mandhdevelopment/chapter/physics-of-sound/
- http://hyperphysics.phy-astr.gsu.edu/hbase/Sound/timbre.html
- https://www.musiccrashcourses.com/lessons/harmonic_series.html
- https://www.pasco.com/products/guides/sound-waves
