A Wisdom Archive on Trumpet

As an example of the second type, a standing wave in a transmission line is a wave in which the distribution of current, voltage, or field strength is formed by the superposition of two waves propagating in opposite directions. The effect is a series of nodes (zero displacement) and anti-nodes (maximum displacement) at fixed points along the transmission line. Such a standing wave may be formed when a wave is transmitted into one end of a transmission line and is reflected from the other end by an impedance mismatch, i.e., di ...

Read more here: » Standing wave: Encyclopedia II - Standing wave - Opposing waves

The most frequently encountered trombones today are the tenor and bass, though as with other Renaissance instruments such as the recorder, the trombone has been built in every size from piccolo to contrabass. These several instruments are described below. Trombone - Tenor trombone. The tenor trombone has a fundamental note of B♭ (though tenor trombones in C were almost equally popular during the mid-19th century in Britain and France) and is usually treated as a non-transposing instrument (see below). As ...

Read more here: » Trombone: Encyclopedia II - Trombone - Types of trombone

The trombone consists of a cylindrical tube bent into an elongated "S" shape in a complex series of tapers, the smallest being at the mouthpiece receiver, and the largest being at the throat of the bell, before the flare for the bell begins. (Careful design of these tapers is crucial to the intonation of the instrument.) As with other brass instruments, sound is produced by blowing air through closed lips producing a vibration that c ...

Read more here: » Trombone: Encyclopedia II - Trombone - Construction

Trombone - Bells. Trombone bells (and sometimes slides) may be constructed of different brass mixtures to achieve slightly different timbres. The most common material is yellow brass, comprising 70% copper and 30% zinc, though other materials used include gold brass (85% copper, 15% zinc) and red brass (90% copper, 10% zinc). These different materials affect the tone quality of the instrument and change the timbre quite considerably. Some manufacturers now offer interchangeable bells so that the player can select ...

Read more here: » Trombone: Encyclopedia II - Trombone - Variations in construction

As with all brass instruments, progressive tightening of the lips and increased air pressure allow the player to move to a different partial, up the harmonic series. In first position, the notes on these partials include a pedal B♭ (very low), a B♭ one octave higher, an F above that, a higher B♭, a D, an F (this note tends to be sharp. Accommodate for this by flatting all the positions on this partial slightly), an A♭(this note is always flat. You should never play this A-flat in first position), a B♭, a C, a D, an E♭, and an F. Technically a very skilled player could go higher than this, to a G, A♭, A, and ...

Read more here: » Trombone: Encyclopedia II - Trombone - Technique

Until the early 18th century, the trombone was called the sackbut in English, a word with various different spellings ranging from sackbut to shagbolt and derived from the Spanish sacabuche or French sacqueboute. This was not a distinct instrument from the trombone, but rather a different name used for an earlier form. Other countries used the same name throughout the instrument's history, viz. Italian trombone and German Posaune. The sackbut was built in slightly smaller dimensions than modern tromb ...

Read more here: » Trombone: Encyclopedia II - Trombone - History

Flying machines are aircraft, including aeroplanes, helicopters, airships and balloons, and spacecraft. In the case of an aeroplane flight involves Taxiing Take off Climb Cruise Descent Landing See aviation history for the history of mechanical flight. ...

Read more here: » Flight: Encyclopedia II - Flight - Mechanical flight

The most successful groups of living things that fly are insects, birds, and bats. Each of these groups' wings evolved separately from different structures. Pterosaurs were a group of flying vertebrates contemporaneous with the dinosaurs. Bats are the only mammals capable of true flight. However, there are several gliding mammals which are able to glide from tree to tree using fleshy membranes between their limbs; some can travel hundreds of metres in this way with very little loss of height. Flying tree frogs use greatly enlar ...

Read more here: » Flight: Encyclopedia II - Flight - Animal flight

Jewish groups typically teach, "The Day of Atonement absolves from sins against God, but not from sins against a fellow man unless the pardon of the offended person be secured" (Mishnah tractate Yoma 8:9). Hence the custom of terminating on the eve of the fastday (or in the 10-day period between Rosh Hashanah and Yom Kippur) all feuds and disputes. Even the souls of the dead are included in the community of those pardoned on the Day of Atonement. It is customary for children to have public mention made in the synagogue of their departed par ...

Read more here: » Day of Atonement Christian: Encyclopedia II - Day of Atonement Christian - Interpretation

Lasting approximately sixty-five minutes, Das Lied von der Erde is scored for a large orchestra consisting of four flutes, piccolo, three oboes, English horn, four clarinets (third doubling E-flat clarinet), bass clarinet, four bassoons, contrabassoon, four horns, three trumpets, three trombones, bass tuba, percussion (timpani, tam-tam, bass drum, cymbals, glockenspiel, triangle, and chimes), two harps, and strings. Despite the large forces required, the full orchestra is rarely used at the same time (except for the first movement), and in many cases almost ...

Read more here: » Das Lied von der Erde: Encyclopedia II - Das Lied von der Erde - Instrumentation and Libretto