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Encyclopedia > Mouthpiece

Contents


Scuba diving and industrial breathing sets

Nemrod twin-hose diving regulator made in the 1980s. Its mouthpiece can be strapped in.
Nemrod twin-hose diving regulator made in the 1980s. Its mouthpiece can be strapped in.

In breathing sets, a mouthpiece is a part that the user grips in his mouth, to make a watertight seal between the breathing set and his mouth. It is composed of a short flattened-oval tube that goes in between the lips, with on its free end a flange that fits between the lips and the tooth and gums. On the flange there are two projections with enlarged ends, which are gripped between the teeth. Most sport diving scuba sets use a mouthpiece rather than a fullface mask. Image File history File links Download high resolution version (860x580, 93 KB)Nemrod twin-hose regulator made in the 1980s. ... Image File history File links Download high resolution version (860x580, 93 KB)Nemrod twin-hose regulator made in the 1980s. ... Nemrod is a Spanish firm who makes scuba gear. ... A gas pressure regulator has one or more valves in series, which let the gas out of a gas cylinder in a controlled way, lowering its pressure at each stage. ... The 1980s decade refers to the years from 1980 to 1989, inclusive. ... For breathing apparatus used underwater, see scuba sets and rebreather and surface supplied diving. ... Sagittal section of nose mouth, pharynx, and larynx. ... A womans lips with various kinds of lipstick applied. ... Types of teeth Molars are used for grinding up foods Carnassials are used for slicing food. ... Categories: Dentistry | Mouth ... Recreational diving is a type of diving that uses SCUBA equipment for the purpose of leisure and enjoyment. ... SCUBA is an acronym for Self-Contained Underwater Breathing Apparatus. ... A diver in a pool wearing an AGA full face mask A diver wearing an Ocean Reef full face mask A full-face diving mask is a type of diving mask worn by SCUBA divers so that they can talk with the surface or other divers. ...


In many industrial breathing sets and a few scuba sets (e.g. the Siebe Gorman Salvus, and a 1980's model of twin-hose diving regulator made by Nemrod), the mouthpiece also has an outer rubber flange that fits outside the lips and extends into two straps that fasten together behind the neck. That makes the mouthpiece more airtight and watertight, and helps to keep the mouthpiece in if the user lets his lips or jaws get slack through unconsciousness or absent-mindedness or being preoccupied with work. CGI image: 2 views of a diver wearing a Siebe Gorman Salvus rebreather The Salvus is a light oxygen rebreather for industrial use (including by firemen and in coalmine rescue) or in shallow diving. ... A gas pressure regulator has one or more valves in series, which let the gas out of a gas cylinder in a controlled way, lowering its pressure at each stage. ... Nemrod is a Spanish firm who makes scuba gear. ...


A mouthpiece in the mouth prevents clear speech; as a result, many work divers, and many people who use a breathing set on land (e.g. firefighters), use a fullface mask. A gag is usually a device designed to prevent speech, often as a restraint device to stop the subject from calling for help. ... Firefighter in full turn out gear with a pickhead axe. ... A diver in a pool wearing an AGA full face mask A diver wearing an Ocean Reef full face mask A full-face diving mask is a type of diving mask worn by SCUBA divers so that they can talk with the surface or other divers. ...


In a loop of wide breathing tubes like in a twin-hose aqualung or some rebreathers, the word "mouthpiece" is sometimes taken as including the whole of the rigid assembly between the two flexible tubes. A gas pressure regulator has one or more valves in series, which let the gas out of a gas cylinder in a controlled way, lowering its pressure at each stage. ... Inspiration closed circuit diving rebreather A rebreather is a type of breathing set that provides a breathing gas containing oxygen and recycles exhaled gas. ...


Musical instruments

On wind instruments the mouthpiece is that part of the instrument which is placed in, or next to, the player's mouth. In conjunction with the player's lips and, on many woodwind instruments, a reed, it produces the basic musical tones that characterize each particular instrument, from the single reed of the clarinet or saxophone to the flared turned brass tube of the horns, such as the horn, trumpet, trombone, tuba, and the bugle. A wind instrument is a musical instrument that contains some type of resonator (usually a tube), in which a column of air is set into vibration by the player blowing into (or over) a mouthpiece set at the end of the resonator. ... Sagittal section of nose mouth, pharynx, and larynx. ... A womans lips with various kinds of lipstick applied. ... A woodwind instrument is a wind instrument in which sound is produced by blowing through a mouthpiece against an edge or by a vibrating reed, and in which the pitch is varied by opening or closing holes in the body of the instrument. ... A reed is a thin strip of material which vibrates to make music. ... A bass clarinet, which sounds an octave lower than the more common Bâ™­ soprano clarinet. ... Saxophones of different sizes play in different registers. ... The horn is a brass instrument that consists of tubing wrapped into a coiled form. ... Trumpeter redirects to here. ... A lip-reed aerophone with a predominantly cylindrical bore, the trombone is a musical instrument in the brass family. ... The tuba is the largest of the low-brass instruments and is one of the most recent additions to the modern symphony orchestra, first appearing in the mid-19th century, when it largely replaced the ophicleide. ... Military bugle in Bb The bugle is one of the simplest brass instruments; it is essentially a small natural horn with no valves. ...


Mouthpieces are human-machine interfaces designed to transmit the maximum musical information from the mouth, lips, tongue and lungs of the performer into the air column of the instrument. On the performer's side, mouthpiece must be matched to embouchure, the exact way of setting the mouth parts to transmit the maximum of musical information to the mouthpiece. Human-Machine Interface (HMI) is a term that refers to the layer that separates a human that is operating a machine from the machine itself. ... Sagittal section of nose mouth, pharynx, and larynx. ... A womans lips with various kinds of lipstick applied. ... Many animals have longer and more flexible tongues than humans. ... The lungs flank the heart and great vessels in the chest cavity. ... The embouchure is the shaping of the lips to the mouthpiece of a wind instrument. ...


Thus, the mouthpiece, attached to its instrument, is a means of extending the expressive power of the upper body. The typical mouthpiece is capable of playing only a few notes on its own, often with poor tone. By varying the air column in a myriad of ingenious ways, these few notes are transformed into many notes of many tones on the various instruments.


Brass instruments

Trumpet mouthpiece from the side
Trumpet mouthpiece from the side

In western instruments of the European classical tradition, there are several different kinds of mouthpiece. One of the most common is the one seen on brass instruments, which is a type also used on several non-western instruments. This consists of a simple circular opening which leads to the main body of the instrument. The player vibrates his lips while they are placed on this opening. This causes the column of air contained within the instrument to vibrate in a standing wave pattern. Image File history File links Download high resolution version (882x331, 79 KB) Trumpet mouthpiece side view large. ... Image File history File links Download high resolution version (882x331, 79 KB) Trumpet mouthpiece side view large. ... Classical music is a broad, somewhat imprecise term, referring to music produced in, or rooted in the traditions of, European art, ecclesiastical and concert music, encompassing a broad period from roughly 1000 to the present day. ... A brass instrument is a musical instrument whose tone is produced by vibration of the lips as the player blows into a tubular resonator (mouthpiece). ...

Cut-away view of trumpet mouthpiece:1. Inner rim diameter2. Rim width3. Rim contour4. Rim Edge5. Cup6. Throat7. Backbore8. Shank
Enlarge
Cut-away view of trumpet mouthpiece:
1. Inner rim diameter
2. Rim width
3. Rim contour
4. Rim Edge
5. Cup
6. Throat
7. Backbore
8. Shank

The mouthpiece of many brass instruments, including the trumpet and trombone, is cup shaped, although the horn's mouthpiece is simpler, being only slightly flared. The degree of flaring, and the exact shape of the "cup" (5) if present can greatly affect the timbre of the instrument. The width of the opening (1) in the mouthpiece also has an effect. A mouthpiece with a narrow bore (7) is generally preferred by brass players who concentrate on the upper range of their instrument, and a wider bore by those who emphasize the lower range of their instrument in their playing. Image File history File links Diagram of a trumpet mouthpiece (cut-away view): Inner rim diameter Rim width Rim contour Rim Edge Cup Throat Backbore Shank (See also: http://commons. ... Image File history File links Diagram of a trumpet mouthpiece (cut-away view): Inner rim diameter Rim width Rim contour Rim Edge Cup Throat Backbore Shank (See also: http://commons. ... Trumpeter redirects to here. ... A lip-reed aerophone with a predominantly cylindrical bore, the trombone is a musical instrument in the brass family. ... The horn is a brass instrument that consists of tubing wrapped into a coiled form. ... In music, timbre, also timber, (French, IPA /tæmbər/ as in the first two syllables of tambourine) is the quality of a musical note or sound which distinguishes different types of sound production or musical instruments. ...


Reed instruments

clarinet mouthpiece
clarinet mouthpiece

The mouthpiece on a single-reed instrument, such as the clarinet or saxophone, is quite different. These mouthpieces are basically wedge-shaped, with the reed being placed against the flat surface (or the table) closest to the player's bottom lip. Here, the player's breath causes the reed to vibrate, which in turn sets the column of air contained within the instrument in vibration. Near the top of the mouthpiece there is a small opening into the inside of the instrument. As with the brass instruments, the shape of the bore immediately beyond the opening can greatly affect the sound of the instrument. On some woodwind instruments, the bore here is a simple extension of the main body of the instrument, although it is possible to widen it by various means. Mouthpieces with large, rounded chambers will produce a quite different sound than one with a small or square chamber. Clarinet mouthpiece, from nl Wikipedia File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... A bass clarinet, which sounds an octave lower than the more common Bâ™­ soprano clarinet. ... Saxophones of different sizes play in different registers. ...


Most mouthpieces are made out of metal, hard rubber, or plastic. Rubber, although one of the most common materials for mouthpieces, often lacks in durability, warps over time, and has a tendency to break when bumped. With mouthpieces of any material, the tip may eventually wear down from reed vibration.


The double reed of the oboe or bassoon is not generally referred to as a mouthpiece, but serves the same function as the mouthpiece-reed combination on a single-reed instrument; it is placed in the player's mouth and supplies the initial vibration which starts the air column vibrating. While a double reed consists of two reeds vibrating against eachother, the single-reed-plus-mouthpiece has a reed vibrating against a mouthpiece. A double reed is a type of reed by means of which the sound is originated in various wind instruments. ... Modern Oboe The oboe is a musical instrument of the woodwind double reed family. ... A Fox Instruments bassoon. ...


See also


  Results from FactBites:
 
Preschooler Nebulizer Treatment (234 words)
A preschooler getting a neb treatment with a mouthpiece, although he would likely be better off using a mask.
Remember that most younger children should use a nebulizer with a mask that fits over their mouth and nose.
The main problem with simply using a nebulizer with a mouthpiece is that if your younger child is breathing through his nose, then he won't get the medicine in the nebulizer.
Mouthpiece plates of flute-type wind instruments - Patent 4922793 (3016 words)
The mouthpiece plate or a portion thereof is pivotable or movable to provide for incremental adjustments of the movable portion to assist the flutist in establishing the optimum embouchure for his or her facial skeletal and muscular characteristics.
In the third embodiment, the mouthpiece plate may also be tilted to a limited extent about a plurality axes parallel to the longitudinal axis of the flute in a manner similar to the movement of the mouthpiece plate of the second embodiment.
A mouthpiece plate 3 is affixed to the headjoint in a conventional manner, for example, by soldering, and a blow hole 4 is provided through mouthpiece plate 3 and the cylindrical tubular wall of the headjoint 1.
  More results at FactBites »


 

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