Calista Home Theaters

A ratio of height to width to length of a room to achieve "good acoustics" and first recommended by the ancient Greeks. The ratio is approximately the width 1.6 times the height and the length 2.6 times the height Equalizer (Parametric, Graphic) This is used to filter out and adjust specific frequencies in the PA. This is the part of the PA where you have the most control over the band's overall sound. It is also the number one weapon against feedback. Calista C3-S Security System Analog Recording A recording of the continuous changes of an audio waveform. Headphones Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears). Calista C1-9 Home Theater Lead Sheet A written chart showing the melody, lyrics and chords of a tune with full musical notation. Information Bits The bits in the digital signal that make up actual values or commands being communicated as opposed to bits that are used fo...

A small optical disk with digital audio recorded on it. Information Bits The bits in the digital signal that make up actual values or commands being communicated as opposed to bits that are used for checking & correcting data or other purposes. Calista C2-88 Projector Echo Send Control A control to send the signal from the input module to the echo chamber or effects device via the echo buss. Auxiliary Output or Send An additional output from a sound desk that can be used for foldback or monitoring without tying up the main outputs. Each input channel will have a path to the Aux buss. Also used for feeding a signal to an effects processor. See Auxiliary Return. Calista C1-9 Home Theater Hz (Hertz) 1) An abbreviation for the term Hertz (the unit of frequency). 2) Unit of frequency equivalent to the number of cycles per second. Baffles Sound absorbing panels used to prevent sound waves from entering or leaving a certain space Auxiliary Input or Re...

A change in pitch that occurs when moving up or down two piano keys First Generation A descriptive term meaning original (as opposed to a copy). Calista C2-88 Projector Engineer 1) A technician in charge of a recording session; Also called Recording Engineer. 2) A person with an engineering degree. 3) A person with sufficient experience in the field to be equivalent to the education one would receive earning an engineering degree. Compact Disc CD A small optical disk with digital audio recorded on it. Calista C1-9 Home Theater Amplifier (Power amp, Head) It's the part of the sound system that actually magnifies or "amplifies" the sound. In other words, it makes stuff louder. Compact Disc, Read Only Memory CDROM A Compact Disc used to store digital data, such as large programs, that can be read by a computer. Infinite Baffle A baffle so large that the sounds coming from one side do not reach the other side. Calista Reviews Line...

Usually undesirable result of overloading sound equipment. Reducing the levels can remedy the situation. Absorption Short for the term Acoustical Absorption (quality of a surface or substance to take in, not reflect, a sound wave). Calista C1-9 Home Theater Feedback Control The control on a delay line or delay effects device that controls the amount of feedback. Electronics 1) On a tape machine, the housing for and the channel circuitry which processes the signal to be fed to the heads, provide bias, and playback. 2) The branch of science dealing with the behaviour of electrons/charges in vacuums, gases, semiconductors and special conductors. Calista C3-S Security System Ground Adapter Plug Adapts a three pronged electrical plug to a two pronged wall outlet. This bypasses the ground and may create a hum in the system. A lack of a good ground can cause mild electrical shock when touching a microphone. Electromagnetic Field Magnetic energy put out becaus...

1) A collection of sound patches (data as to the sequence and operating parameters of the synthesizer generators and modifiers) in memory. 2) A group of sound modules as a unit. Imaging To make a representation or imitation of the original sonic event. Calista C3-S Security System Coax Two-conductor cable consisting of one conductor surrounded by a shield. Cycle 1) An alternation of a waveform which begins at a point, passes through the zero line, and ends at a point with the same value and moving in the same direction as the starting point. 2) On a Solid State Logic Console, a command to have the console computer control the tape machine to play and replay a certain section of the tape. Calista C2-88 Projector Infinite Repeat A function on some delay lines that establish enough feedback so that the repeat echo will last forever, but not so much as to cause a howling sound. Hybrid A product created by the marriage of two different technologies. Meant...

The musical instrument that plays the melody of the tune, including the vocal. Chord Three or more musical pitches sung or played together. Calista C1-9 Home Theater Flat 1) Lower in musical pitch. 2) A slang term used to describe the sensitivity to frequency of a microphone, amplifier, etc., as being even at all frequencies, usually within 2 dB. 3) Refers to the frequencies on the EQ when they are arranged in centred neutral positions. Hearing Limitation An inability of the ear to hear important characteristics of sound under certain conditions. Characteristics that can be affected include pitch, level, clarity, presence and direction. Calista C3-S Security System Hall Program A setting of a digital delay/reverb effects unit that approximates concert halls. Hall programs are characterized by pre-delay of up to 25 ms. Inductor A device designed primarily to introduce inductance into an electric circuit. Sometimes called a choke or coil. Decibel (...

A synchronization signal such as SMPTE time code that is used by all recorders in the control room. Chorus Common type of effect that makes sounds fuller and thicker. Calista C3-S Security System Hall Program A setting of a digital delay/reverb effects unit that approximates concert halls. Hall programs are characterized by pre-delay of up to 25 ms. Line Input An input designed to take a line level signal. Calista C1-9 Home Theater Frequency Response How sensitive an electronic device (mic, amplifier, speaker, etc.) is to various frequencies; often communicated with a graph. Layering The recording (or playing) of a musical part with of several similar sound patches playing simultaneous. Boom Stand A microphone stand equipped with a telescoping support arm to hold the microphone. Calista Reviews Electret Mic A condenser microphone where the capacitor plates are given a charge during manufacture which they retain, therefore requiring no externa...