Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.

* 22 August 1865, La Feuille d ' Aoste reported “ It is rumored that English technicians to whom Mr. Manzetti illustrated his method for transmitting spoken words on the telegraph wire intend to apply said invention in England on several private telegraph lines ".

* 7 March 1876 — Bell's U. S. patent 174, 465 " Improvement in Telegraphy " is granted, covering " the method of, and apparatus for, transmitting vocal or other sounds telegraphically … by causing electrical undulations, similar in form to the vibrations of the air accompanying the said vocal or other sound.

Carrier sense multiple access with collision avoidance ( CSMA / CA ) in computer networking, is a network multiple access method in which carrier sensing is used, but nodes attempt to avoid collisions by transmitting only when the channel is sensed to be " idle ".

Collision avoidance is used to improve the performance of the CSMA method by attempting to divide the channel somewhat equally among all transmitting nodes within the collision domain.

In 1910, Reginald Fessenden invented a two-tone method of transmitting Morse code.

Frequency-hopping spread spectrum ( FHSS ) is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver.

Another way of putting it is that a method of secretly coding and transmitting information should be secure even if everyone knows how it works.

* Quantum teleportation, a method of transmitting quantum data

Tropospheric scatter ( known as " troposcatter " among practitioners ) is a method of transmitting and receiving microwave radio signals over considerable distances – often up to 300 km.

In-band on-channel ( IBOC ) is a hybrid method of transmitting digital radio and analog radio broadcast signals simultaneously on the same frequency.

In telecommunications, 2VSB is an abbreviation for 2-level vestigial sideband modulation, a transmission method capable of transmitting one bit ( 2 < sup > 1 </ sup >= 2 ) at a time.

A later method of transmitting graphics over a BBS was developed called Remote Imaging Protocol or RIP, which required special software on both the BBS and the terminal end.

* have a method for echoing the CE indication to the transmitting endpoint.

Phantom power, in the context of professional audio equipment, is a method for transmitting DC electric power through microphone cables to operate microphones that contain active electronic circuitry.

A room within a room ( RWAR ) is one method of isolating sound and stopping it from transmitting to the outside world where it may be undesirable.

* High-voltage differential signalling, a method of transmitting information over pairs of wires

This, combined with its shot in the dark method of transmitting itself, ensured that it died off rather quickly.

SS7 is a digital out-of-band method of transmitting signaling ( call control ) information in the Public Switched Telephone Network ( PSTN ).

In information theory, a low-density parity-check ( LDPC ) code is a linear error correcting code, a method of transmitting a message over a noisy transmission channel, and is constructed using a sparse bipartite graph.

Eventually, the method of transmitting power is retained, and the physically strengthened body is able to make transitions in the proper, fluid manner.

Before stereo TV sound transmmission was possible, simulcasting on TV and Radio was a method of effectively transmitting " stereo " sound to music TV broadcasts.

In response to demands made by Florence Nightingale, a method of transmitting money was devised to allow troops to transfer monies back to their families at home in the United Kingdom.

" Based on his review of numerous studies, he concludes that lecturing is as effective, but not more effective, as any other teaching method in transmitting information.

The effect of angst is achieved by Shostakovich, Mahler and Berg in compositions of wide dynamic range, at times seemingly spinning out of control ( Mahler ), and atonal music using the twelve-tone row method of composition ( Berg, Schoenberg and others ) to create an angst ridden atmosphere of grotesque sound.

The harmonica shares similarities to all other free-reed instruments by virtue of the method of sound production.

In his textbooks he selected Indo-European examples that supported the key Neogrammarian hypothesis of the regularity of sound change, and emphasized a sequence of steps essential to success in comparative work: ( a ) appropriate data in the form of texts which must be studied intensively and analysed ; ( b ) application of the comparative method ; ( c ) reconstruction of proto-forms.

A common method of teaching phonics is synthetic phonics, in which a novice reader pronounces each individual sound and " blends " them to pronounce the whole word.

Charles Cros, a French poet and amateur scientist, is the first person known to have made the conceptual leaps from recording sound as a traced line to the theoretical possibility of reproducing the sound from the tracing and then to a definite method for accomplishing the reproduction.

Edison's method was to indent the sound waves on a piece of tin-foil, while Bell and Tainter's invention called for cutting, or " engraving ", the sound waves into a wax record with a sharp recording stylus.

Subtractive synthesis is a method of sound synthesis in which partials of an audio signal ( often one rich in harmonics ) are attenuated by a filter to alter the timbre of the sound.

The simplest and least effective method of sound detection is achieved by placing a microphone in the chestpiece.

While real-world sound changes often admit exceptions ( for a variety of known reasons, and sometimes without one ), the expectation of their regularity or " exceptionlessness " is of great heuristic value, since it allows historical linguists to define the notion of regular correspondence ( see: comparative method ).

In inverse filtering, the speech sound ( the radiated acoustic pressure waveform, as obtained from a microphone ) or the oral airflow waveform from a circumferentially vented ( CV ) mask is recorded outside the mouth and then filtered by a mathematical method to remove the effects of the vocal tract.

This simple method requires sound planning and servicing of the water damming and channeling, but reduces the growth of less robust weed and pest plants that have no submerged growth state, and deters vermin.

This method involves examining every letter within the word as an individual sound in the order in which they appear and then blending those sounds together.

It manufactured only two digital piano models, the MK-80 ( 88 key ) and the MK-60 ( 64 key ), using S / A ( Structured Adaptive ) Synthesis method and weighted action, but the sound of the Roland piano disgusted Harold Rhodes.

This is similar to the method mammals use to determine direction of sound.

Foley is another method of adding sound effects.

Karplus-Strong string synthesis is a method of physical modelling synthesis that loops a short waveform through a filtered delay line to simulate the sound of a hammered or plucked string or some types of percussion.

One such method involves using computer algorithms to directly translate the phonetics of speech into digital sound.

* Few if any non-English speaking nations use the whole word teaching method. They do not have to ; phonics works for their language because it follows the alphabetic principle: the words are almost entirely spelled as they sound.

The third common method of sound production in stringed instruments is to strike the string.

The aeolian harp employs a very unusual method of sound production: the strings are excited by the movement of the air.