acoustic transmission line

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• Transmission line — This article is about the radio frequency transmission line. For the power transmission line, see electric power transmission. In communications and electronic engineering, a transmission line is a specialized cable designed to carry alternating… …   Wikipedia

• Acoustic transmission lines — An acoustic transmission line is the acoustic analog of the electrical transmission line, typically thought of as a rigid walled tube that is long and thin relative to the wavelength of sound present in it. Pipe organs, woodwinds, and the like… …   Wikipedia

• Acoustic impedance — The acoustic impedance Z (or sound impedance) is a frequency f dependent parameter and is very useful, for example, for describing the behaviour of musical wind instruments. Mathematically, it is the sound pressure p divided by the particle… …   Wikipedia

• Acoustic quieting — This article primarily discusses mechanical and acoustic noise. See Noise reduction for electronic noise. : For noise masking by saturation, see Sound masking or pink noise.Acoustic quieting is the process of making machinery quieter by damping… …   Wikipedia

• Acoustic Model — An acoustic model is created by taking audio recordings of speech, and their text transcriptions, and using software to create statistical representations of the sounds that make up each word. It is used by a speech recognition engine to… …   Wikipedia

• Line source — A line source is a source of air, noise, water contamination or electromagnetic radiation that emanates from a linear (one dimensional) geometry. The most prominent linear sources are roadway air pollution, aircraft air emissions, roadway noise,… …   Wikipedia

• Acoustic Coupled Modem —   A modem used in conjunction with a telephone handset. The modem can receive and transmit analogue signals for telephone line transmission …   International financial encyclopaedia

• delay line — noun a circuit designed to introduce a calculated delay into the transmission of a signal • Hypernyms: ↑circuit, ↑electrical circuit, ↑electric circuit • Hyponyms: ↑acoustic delay line, ↑sonic delay line, ↑electromagnetic delay line …   Useful english dictionary

• Speech transmission index — Speech Transmission Index, short STI is a measure of speech transmission quality. The absolute measurement of speech intelligibility is a complex science. The STI measures some physical characteristics of a transmission channel (a room, electro… …   Wikipedia

• Data transmission — Data transmission, digital transmission, or digital communications is the physical transfer of data (a digital bit stream) over a point to point or point to multipoint communication channel. Examples of such channels are copper wires, optical… …   Wikipedia

• Electric Line — The term wireline usually refers to a cabling technology used by operators of oil and gas wells to lower equipment or measurement devices into the well for the purposes of well intervention and reservoir evaluation. Braided line can contain an… …   Wikipedia