BNO Acoustics GK-3 Cord (Speaker, Mic, Instrument)

Used to connect a sound system together. Each type of cord is made for a specific purpose and should not be used in place of another type of cord, not even if they look alike. Also see "cable"

Keynote Number
A number assigned to each key of a synthesizer or controller keyboard that is transmitted in the MIDI signal.

BNO Acoustics QS-4 Controller
1) In MIDI, a device that generates a MIDI signal to control synthesizers, sound modules or sample playback units.
2) A remote control unit for a multitrack tape machine which controls transport functions as well as monitor selection switching functions and record ready/safe status of each track.
3) Any device generating a control voltage or signal fed to another device's control input.

Direct box
Used in line to convert a high impedance signal into a low impedance signal.

BNO Acoustics R-10 Diffraction
The breaking up of a sound wave caused by some type of mechanical interference such as a cabinet edge, grill frame, or other similar object.

Frame
1) A division of one second in synchronization and recording coming from definition two.
2) The amount of time that one still picture is shown in film or video.

Bank
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.

Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.

BNO Acoustics QT-5 FOH (Front of House)

Refers to the speakers that face toward the audience. Also called the "main" speakers.

Bit
The smallest unit of digital information representing a single "0" or 1.

BNO Acoustics GK-3 Headroom
1) The level difference (in dB) between normal operating level and clipping level in an amplifier or audio device.
2) A similar level difference between normal tape operating level and the level where the distortion would be 3%.
3) The difference, in decibels, between the peak and RMS levels in program material.

Interface
Any device that allows one unit to work, drive or communicate with another unit when they cannot do so by just feeding each other often because the units are manufactured by different companies.

BNO Acoustics BP-40 Balanced
1) Having a pleasing amount of low frequencies compared to mid-range frequencies and high frequencies. 2) Having a pleasing mixture of the various instrument levels in an audio recording. 3) Having a fairly equal level in each of the stereo channels. 4) A method of interconnecting electronic gear using three-conductor cables.

Bass Roll Off
An electrical network built into some microphones to reduce the amount of output at bass frequencies when close-micing.

Inductance
The property of an electric circuit by which a varying current in it produces a varying magnetic field that introduces voltages in the same circuit or in a nearby circuit. It is measured in henrys.

Librarian Program
A computer program allowing the storage of the parameters of sound patches outside of a synthesizer.

BNO Acoustics Speakers Highs

Short for the term High Frequencies (the audio frequencies from 6000 Hz and above).

First Generation
A descriptive term meaning original (as opposed to a copy).

BNO Acoustics 6k-52 Capo
A clamp-like device that is placed vertically across the guitar neck. It is used to change the pitch of the guitar, acting as a moveable nut.

Far Field
The area from 3 feet away from the sound source up to the critical distance.

BNO Acoustics XV-16 Compressor
1) Effect used to squash the sound together. Used properly, it can take the edge off or your sound. Used improperly, it can take the life right out of your system and make it sound like an MTV mix.
2) A piece of sound processing equipment that ensures all wanted signals are suitably placed between the noise and distortion levels of the recording medium. It evens out the unwanted changes in volume you get with close-miking, and in doing so, adds punch to the sound mix. A Limiter is used to stop a signal from exceeding a preset limit. Beyond this limit, the signal level will not increase, no matter how loud the input becomes. A Limiter is often used to protect speaker systems (and human ears) by preventing a system from becoming too loud.

Infinite Baffle
A baffle so large that the sounds coming from one side do not reach the other side.

Line Input
An input designed to take a line level signal.

Frequency
Practically speaking, high frequency means high pitch and low frequency means low pitch.

BNO Acoustics SQ-9 I/O

Short for "Input/Output' and referring to:
1) An in-line console module that contains controls for the input section, output section and monitor section.
2) A module in electronic gear containing input and output amplifiers for the device.
3) A digital port (connector) able to both receive digital data and output digital data.

Clipping
Distortion of a signal by its being chopped off. An overload problem caused by pushing an amplifier beyond its capabilities. The flat-topped signal has high levels of harmonic distortion which creates heat in a loudspeaker and is the major cause of loudspeaker component failure.

BNO Acoustics TS-10 Bit
The smallest unit of digital information representing a single "0" or 1.

High Hat
A double cymbal on a stand which can be played with a foot pedal or by the top cymbal being hit with a stick.

BNO Acoustics QT-5 Blending
1) A condition where two signals mix together to form one sound or to give the sound of one sound source or one performance.
2) Mixing the left and right signal together slightly which makes the instruments sound closer to the center of the performance stage. 3) A method of panning during mixing where instruments are not panned extremely left or right.

BPM
An abbreviation of Beat Per Minute (the number of steady even pulses in music occurring in one minute and therefore defining the tempo).

Aliasing
A sampler mis-recognizing a signal sent to it that is at a frequency higher than the Nyquist Frequency. Upon playback, the system will provide a signal at an incorrect frequency (called an alias frequency). Aliasing is a kind of distortion.

Editing
1) Changing the sequence of a recording by cutting the recording tape and putting the pieces together in the new sequence with splicing tape.
2) Punching in and then punching out on one or more tracks of a multitrack tape recorder to replace previously recorded performances.
3) Changing the sequence of a digital recording's playback by computer program.

BNO Acoustics TR-12 Head Amp

British name for Preamplifier (A low-noise amplifier designed to take a low-level signal, such as the output of a tape head, and bring it up to normal line level).

BPM
An abbreviation of Beat Per Minute (the number of steady even pulses in music occurring in one minute and therefore defining the tempo).

BNO Acoustics QT-5 Librarian Program
A computer program allowing the storage of the parameters of sound patches outside of a synthesizer.

Crisp
Describes a good clean high midrange sound. It can be good or bad depending on the look on the face of the guy who said it.

BNO Acoustics R-10 Speakers Fly In
1) To add sounds into a mix or recording that have no synchronization.
2) An application of this where a performance from one part of a tune is recorded and then recorded back into the recording at a different time in the recording.

Error Correct
Exact replacement of lost information bits in digital audio.

Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.

Bulk Dump
Short for System Exclusive Bulk Dump (a method of transmitting data, such as the internal parameters of a MIDI device to another MIDI device).

BNO Acoustics TR-12 Linearity

The extent to which any signal handling process is accomplished without amplitude distortion.

Bit
The smallest unit of digital information representing a single "0" or 1.

BNO Acoustics XR-90 Beats Per Minute BPM
The number of steady even pulses in music occurring in one minute and there fore defining the tempo of the song.

Dolby
Trade name for a series of noise reduction systems that have become standard on many tape playback machines. Many film soundtracks are produced using this process. Different varieties are found from Dolby B on most personal cassette players, to Dolby SR and Digital, the current state of the art for cinema.

BNO Acoustics HD-70 Crosstalk
Leakage of an audio signal into a channel that iris not intended to be in, from an adjacent or nearby channel.

In-Line Console
A console with modules that have controls for all console sections in one long strip.

Frequency Shift Key / FSK
The full name for FSK (A simple clock signal that can be used to run a sequencer in time with an audio tape).

Effects Track
1) In film production audio, a recording of the mixdown of all the sound effects for the film ready to be mixed with the dialogue and music.
2) In music recording, one track with a recording of effects to be added to another track of a multitrack recording.

BNO Speakers Frequency Range

The range of frequencies over which an electronic device is useful or over which a sound source will put out substantial energy.

Folded Horn
A speaker design where the speaker points back into the cabinet and bounces around finally coming out large ports in the front. It is intended to maximize low frequencies in a relatively small cabinet.

BNO Acoustics TS-10 Amplitude
The height of a waveform above or below the zero line.

Amplification
An increasing of signal strength.

BNO Acoustics BP-40 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.

Frequency
Practically speaking, high frequency means high pitch and low frequency means low pitch.

Early Reflections
The first echoes in a room, caused by the sound from the sound source reflecting off one surface before reaching the listener.

Balance Control
A control on a stereo amplifier that when moved clockwise will make the right channel louder (and the left channel softer) and will do the reverse when moved counter-clockwise.

BNO Acoustics QT-5 Kick (Kick Drum)

Another term for Bass Drum.

Bank
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.

BNO Acoustics TS-10 Frets
Vertical metal wires which sit vertically on the guitar neck.

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.

BNO Acoustics QS-4 Byte
A grouping of eight information bits.

Condenser Microphone
A microphone which converts sound pressure changes into changes of capacitance. The capacitance changes are then converted into electrical voltage variations (an audio signal).

Electricity
Electrical current (the amount of electron charge passing a point in a conductor per unit of time) or voltage (the force pushing electrons to obtain electrical current).

Far Field
The area from 3 feet away from the sound source up to the critical distance.

BNO Acoustics TR-12 Atom

The smallest particle which makes up a specific substance. It's composed of a center around which electrons revolve.

Keynote Number
A number assigned to each key of a synthesizer or controller keyboard that is transmitted in the MIDI signal.

BNO Acoustics GT-60 Figure Eight Pattern
Another name for Bi-directional Pattern (microphone pickup pattern picking up best from the front and back of the diaphragm and not picking up from the side of the diaphragm).

Grouping
1) Controlling the gain of several individual channels with a Group Fader.
2) The mixing together of several individual audio signals to send a mixed signal out of the console to record a track on a multitrack tape machine.

BNO TS-10 Active/Inactive Microphones
Scientific definitions aside, active microphones generally sound better than inactive ones, but they generally cost more. They also require the use of either a battery or phantom power while inactive mics need only be plugged into the mic cord in order to work. In most playing situations, the subtle improvement in sound quality from an active mic isn't worth the extra cost and hassle. One possible exception it the headset mic. Put simply, inactive headset mics just plain suck. Active headset mics put out a much stronger signal and feed back much less.

Limiter
A device which reduces gain when the input voltage exceeds a certain level.

Bar
A term meaning the same thing as the term Measure (the grouping of a number of beats in music, most-often four beats).

Beats Per Minute BPM
The number of steady even pulses in music occurring in one minute and there fore defining the tempo of the song.

BNO Acoustics HD-70 Fundamental

The tuned frequency and (almost always) the lowest frequency that is present in the sounding of a pitch by a musical instrument.

Cue
1) The signal fed back to the musicians through headphones.
2) To set the tape or disc so that the intended selection will immediately play when the tape machine or player is started.
3) A location point entered into a computer controlling the playback or recording of a track or tape.
4) In MCI brand tape machines, a term meaning the same thing as Sync Playback (where the record head is used as a playback head for those tracks already recorded).

BNO Acoustics GK-3 Headstock
The area of the guitar at the end of the neck where the strings are tuned.

Chorusing
1) A term meaning the same thing as Chorus (Definition 3 or 4).
2) In some delay effects devices, a term used to mean the term Depth (the amount of change in the controlled signal by the control signal).

BNO Acoustics SQ-9 Foot (Foot Drum)
Another name for Bass Drum (the largest drum in the Drum Kit which puts out bass frequencies and is played with a foot pedal).

Cue Send Control
A control that will adjust the amount of signal sent to a cue buss from a console channel.

Cancellation
A shortening of the term Phase Cancellation (the energy of one waveform significantly decreasing the energy of another waveform because of phase relationships at or close to 180 degrees).

Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.

BNO Acoustics HD-70 Cut-Off Frequency (Turnover Frequency)

1) The highest or lowest frequency in the pass band of a filter.
2) The highest or lowest frequency passed by an audio device (the cut-off frequency is usually considered to be the first frequency to be 3 dB lower than a reference frequency in the middle of the bandwidth of the device)

Level
The amount of signal strength; the amplitude, especially the average amplitude.

BNO Acoustics XR-90 Crossover, Passive
Used inside of full range speaker cabinets to separate highs, mids, and lows and send them to their respective speakers within the each cabinet. These are not as efficient as active crossovers because they require all frequencies to draw from the same source of amplification.

Bandwidth
1) The range of frequencies over which a tape recorder, amplifier or other audio device is useful. 2) The range of frequencies affected by an equalization setting.

BNO Acoustics XV-16 Centre Frequency
The frequency of the audio signal that is boosted or attenuated most by an equalizer with a peak equalization curve.

Key
The control of a dynamics processing device by an external audio signal.

Capacitance
That property of a capacitor which determines how much charge can be stored in it for a given potential difference between its terminals, measured in farads, by the ratio of the charge stored to the potential difference.

Balanced
1) Having a pleasing amount of low frequencies compared to mid-range frequencies and high frequencies. 2) Having a pleasing mixture of the various instrument levels in an audio recording. 3) Having a fairly equal level in each of the stereo channels. 4) A method of interconnecting electronic gear using three-conductor cables.

BNO Acoustics YM-44 Acoustic Echo Chamber

A room designed with very hard, non-parallel surfaces and equipped with a speaker and microphone; dry signals from the console are fed to the speaker and the microphone will have a reverberation of these signals that can be mixed in with the dry signals at the console.

Condenser
An older term meaning the same thing as Capacitor (an electronic device which is composed of two plates separated by an insulator and can store charge) but sill in common use when referring to a microphone's active element.

BNO Acoustics Speakers Crossover
1) A route leading from one side of the stage to the other, out of the audiences view.
2) An electronic filter in a sound system that routes sound of the correct frequency to the correct part of the speaker system. Different speakers handle high frequencies (tweeters) and low frequencies (woofers). Sometimes known as a crossover network. An active crossover splits the signal from the mixing desk into high, mid and low frequencies which are then sent to three separate amplifiers.
3) An electrical circuit that divides a full bandwidth signal into the desired frequency bands for the loudspeaker components.

Boom
1) A hand-held, telescoping pole used to hold the microphone in recording dialogue in film production.
2) A telescoping support arm that is attached to a microphone stand and which holds the microphone. 3) Loosely, a boomstand.

BNO Acoustics XR-90 Bulk Dump
Short for System Exclusive Bulk Dump (a method of transmitting data, such as the internal parameters of a MIDI device to another MIDI device).

In
Short For "in the circuit," in other words "active."

Bi
A prefix meaning two.

Aux Send
Short for the term Auxiliary Send (a control to adjust the level of the signal sent from the console input channel to the auxiliary equipment through the aux buss.

BNO Acoustics GT-60 Crossover

1) A route leading from one side of the stage to the other, out of the audiences view.
2) An electronic filter in a sound system that routes sound of the correct frequency to the correct part of the speaker system. Different speakers handle high frequencies (tweeters) and low frequencies (woofers). Sometimes known as a crossover network. An active crossover splits the signal from the mixing desk into high, mid and low frequencies which are then sent to three separate amplifiers.
3) An electrical circuit that divides a full bandwidth signal into the desired frequency bands for the loudspeaker components.

Attack
The rate the sound begins and increases in volume.

BNO Acoustics LK-61 Equalization
1) The process of adjusting the tonal quality of a sound. A graphic equalizer provides adjustment for a wide range of frequency bands, and is normally inserted in the signal path after the mixing desk, before the amplifier. See Feedback.
2) Any time the amplitude of audio signals at specific set of frequencies are increased or decreased more than the signals at other audio frequencies.

Input/Output Module
A set of controls, on one housing, for an in-line console that has two channels (one for recording and one for monitoring) and has controls for all console sections.

BNO Speakers Amplifier
A device which increases the amplitude (level) of an electrical signal (making it louder).

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.

Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).

High Impedance Cord (High Z)
A big word for instrument cable. These cords generally have quarter inch male ends. they tend to loose signal strength at lengths longer than 25 feet.

BNO Acoustics GT-60 Automatic Gain Control (Automatic Volume Control)

A compressor with a very long release time used to keep the volume of the audio very constant.

Expansion
The opposite of compression; for example, an expander may allow the signal to increase 2 dB every time the signal input increased by 1 dB.

BNO Acoustics QS-4 Lead
The musical instrument that plays the melody of the tune, including the vocal.

Hard Disk Recording
The recording of digital audio onto a hard disc.

BNO Acoustics BP-40 Hard Disk (Hard Disc)
A storage unit for digital data that has rigid disks coated with magnetic material in a housing that includes the drive mechanism.

Keyboard Controller
A device that has the standard music keys of piano but puts out MIDI signals

Gain Reduction
The working of a limiter or compressor reducing gain during high-level passages.

House Sync
A synchronization signal such as SMPTE time code that is used by all recorders in the control room.

BNO Acoustics GT-60 Final Mix

The two track stereo master tape which was mixed from the multitrack master.

Cable, 1/4 inch
An unbalanced cable most often used for instruments and patch cords. Commonly referred to as "guitar cords".

BNO Acoustics SQ-9 High-Pass Filter
A device that rejects signals that are below a certain frequency (called the cut-off frequency) and passes signals with frequencies that are higher.

Diaphragm
A thin flexible membrane or cone that vibrates in response to electrical signals to produce sound waves. Distortion is usually referred to in terms of total harmonic distortion (THD) which is the percentage of unwanted harmonics of the drive signal present with the wanted signal. Generally used to mean any unwanted change introduced by the device under question.

BNO Acoustics R-10 Charge
The electrical energy of electrons. The energy is in the form of a force that is considered negative and repels other like forces (other electrons) and attracts opposite (positive) forces.

Expansion
The opposite of compression; for example, an expander may allow the signal to increase 2 dB every time the signal input increased by 1 dB.

Dynamic Mic
Robust type of microphone which picks up the sound on a diaphragm connected to a coil of wire which moves within a magnet. An alternating current is induced into the wire which provides the electrical output. Most dynamic mics have low output impedance of 200 Ohms. See Condenser Mic.

Gain Reduction
The working of a limiter or compressor reducing gain during high-level passages.

BNO Acoustics LK-61 Distortion

Usually undesirable result of overloading sound equipment. Reducing the levels can remedy the situation.

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.

BNO Acoustics SQ-9 Effects
Electronic boxes (usually rack mounted) added to a PA system to subtly change and enhance the signals going through it. Examples include; Reverb, Delay, Compressor, Chorus.

Compact Disc CD
A small optical disk with digital audio recorded on it.

BNO Acoustics Speakers Howlback
British term for the term Feedback (the pickup of the signal out of a channel by the input of the channel or the howling sound that this produces).

Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.

Bulk Dump
Short for System Exclusive Bulk Dump (a method of transmitting data, such as the internal parameters of a MIDI device to another MIDI device).

Head Amp
British name for Preamplifier (A low-noise amplifier designed to take a low-level signal, such as the output of a tape head, and bring it up to normal line level).

BNO Speakers Echo

1) One distinct repeat of a sound because of the sound reflecting off a surface.
2) Loosely, used to mean reverberation (the continuing of a sound after the source stops emitting it, caused by many discrete echoes closely spaced in time).

Group Master
A slide control used to send out a control voltage to several VCA faders in individual channels, thus controlling the gain of several channels.

BNO Acoustics R-10 Cord (Speaker, Mic, Instrument)
Used to connect a sound system together. Each type of cord is made for a specific purpose and should not be used in place of another type of cord, not even if they look alike. Also see "cable"

Direct box
Used in line to convert a high impedance signal into a low impedance signal.

BNO Acoustics XV-16 Boost
To increase gain, especially to increase gain at specific frequencies with an equalizer.

Link
(Said of compressors and dynamic processing units.) To combine the control input signals of two channels of a compressor (o

Clean
Describes a distortion free sound with few effects.

Equal Loudness Contours
A drawing of several curves showing how loud the tones of different frequencies would have to be played for a person to say they were of equal loudness.

BNO Acoustics 6k-52 Clicking

Pressing and immediately releasing the switch on a computer's mouse.

Distortion
Usually undesirable result of overloading sound equipment. Reducing the levels can remedy the situation.

BNO Acoustics GK-3 High Impedance Mic
A microphone designed to be fed into an amplifier with input impedance greater than 20 k ohms.

Full
A quality of the sound of having all frequencies present, especially the low frequencies.

BNO Acoustics TR-12 Bass
1) The lower range of audio frequencies up to approximately 250 Hz.
2) Short for Bass Guitar.
3) Lower end of the musical scale. In acoustics, the range (below about 200 Hz) in which there are difficulties, principally in the reproduction of sound, due to the large wavelengths involved.
4) The lower frequencies.
5) On the soundboard this should refer to the bass guitar channel, not the bass drum.
6) The lowest frequencies of sound. Bi-Amplification uses an electronic crossover or line-level amplifiers for the high and low frequency loudspeaker drivers.

Controller
1) In MIDI, a device that generates a MIDI signal to control synthesizers, sound modules or sample playback units.
2) A remote control unit for a multitrack tape machine which controls transport functions as well as monitor selection switching functions and record ready/safe status of each track.
3) Any device generating a control voltage or signal fed to another device's control input.

Frequency Range
The range of frequencies over which an electronic device is useful or over which a sound source will put out substantial energy.

Assistant Engineer
A less elevated version of the term Second Engineer. Experienced seconds often place microphones, operate tape machines, break down equipment at the session end and keep the paperwork for the session.

BNO Acoustics GT-60 Buss (Bus)

A wire carrying signals to some place, usually fed from several sources.

Contact Microphone
A device that senses vibrations and puts out an audio signal proportional to the vibrations.

BNO Acoustics TR-12 CD (Compact Disc) :
1) Digital sound storage medium. Provides a high quality source of music, sound effects etc. Also used as a playback medium for sound effects etc. by large theatres with long running shows, although CDR (Recordable CD) is becoming more affordable by the day.
2) An abbreviation of the term Compact Disc (a small optical disk with digital audio recorded on it).

Guitar Controller
An electric guitar or device played like an electric guitar that puts out MIDI signals that can be used to control synthesizers and sound modules.

BNO Acoustics Speakers Electret Condenser
A condenser microphone that has a permanently polarized (charged) variable capacitor as its sound pressure level sensor.

Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.

Final Mix
The two track stereo master tape which was mixed from the multitrack master.

Line Out (Output, Send)
Where a signal leaves the board or component.

BNO Acoustics XR-90 Hum

The 60 Hz power line current accidentally induced or fed into electronic equipment.

LFO
Low-Frequency Oscillator (an oscillator that puts out an AC signal between .1 Hz and 10Hz used for a control signal).

BNO Acoustics XV-16 AES/EBU
Professional Interface A standard for sending and receiving digital audio adopted by the Audio Engineering Society and the European Broadcast Union.

Electrostatic Charge
The excess or deficiency of electrons in a given area.

BNO Acoustics TS-10 Head Amp
British name for Preamplifier (A low-noise amplifier designed to take a low-level signal, such as the output of a tape head, and bring it up to normal line level).

Kilo
A prefix meaning 1000.

Flutter
1) High-frequency variations in pitch of a recorded waveform due to fast speed variations in a recorder or playback machine.
2) Originally, and more formally, any variations (fast or slow) in pitch of a recorded tone due to speed fluctuations in a recorder or playback unit.

Kick (Kick Drum)
Another term for Bass Drum.

BNO Acoustics GK-3 Foot Switch

A switch placed on the floor and pressed by a musician to do various functions.

Electromagnetic Field
Magnetic energy put out because of current travelling through a conductor.

BNO Acoustics QS-4 Equal Loudness Contours
A drawing of several curves showing how loud the tones of different frequencies would have to be played for a person to say they were of equal loudness.

Ground Lift
A switch that breaks the connection between the ground point in one circuit and the ground point in another circuit.

BNO Acoustics BP-40 Aliasing
A sampler mis-recognizing a signal sent to it that is at a frequency higher than the Nyquist Frequency. Upon playback, the system will provide a signal at an incorrect frequency (called an alias frequency). Aliasing is a kind of distortion.

Integrated Circuit (IC)
A miniature circuit of many components in a small, sealed housing with prongs to connect it into equipment.

Harmonic Distortion
The presence of harmonics in the output signal of a device which were not present in the input signal.

Bulk Dump
Short for System Exclusive Bulk Dump (a method of transmitting data, such as the internal parameters of a MIDI device to another MIDI device).

BNO Speakers 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.

House Sync
A synchronization signal such as SMPTE time code that is used by all recorders in the control room.

BNO Acoustics GT-60 Chord
Three or more musical pitches sung or played together.

IC
Abbreviation of Integrated Circuit (A miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment).

BNO Acoustics XV-16 Keynote Number
A number assigned to each key of a synthesizer or controller keyboard that is transmitted in the MIDI signal.

Group Master
A slide control used to send out a control voltage to several VCA faders in individual channels, thus controlling the gain of several channels.

Isolation
A containing of the sound wave in a certain area so that it will not leak into other areas and/or unintended mics.

Frequency
Practically speaking, high frequency means high pitch and low frequency means low pitch.