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).
Hum
The 60 Hz power line current accidentally induced or fed into electronic equipment.
Brooks Hi Fi reviews Capacitance
The property of being able to oppose a change in voltage or store an electrical charge.
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.
Brooks Hi Fi speakers Flange
An effect caused by an approximately even mix of a modulated (varying) short delay with the direct signal.
Equipment Rack
A cabinet with rails (or free standing rails) that have holes to accept screws at standard spaces and used to house outboard gear.
Electromagnetic Field
Magnetic energy put out because of current travelling through a conductor.
High Impedance
Impedance of 5000 or more ohms.
Wednesday, February 7, 2024
Sunday, February 4, 2024
Brooks RM 909 Distortion
Usually undesirable result of overloading sound equipment. Reducing the levels can remedy the situation.
Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal.
Brooks HI FI projectors Ground Lift
A switch that breaks the connection between the ground point in one circuit and the ground point in another circuit.
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.
Brooks Hi Fi speakers 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.
Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Line Level
1) An amplified signal level put out by an amplifier and used as the normal level that runs through the interconnecting cables in a control room.
2) A low level signal such as the signal in a guitar cord. Most parts of a PA require a line level signal. Remember, however, that speaker outputs are not line level. Plugging speaker outs into line ins will result in damage to the equipment
Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.
Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal.
Brooks HI FI projectors Ground Lift
A switch that breaks the connection between the ground point in one circuit and the ground point in another circuit.
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.
Brooks Hi Fi speakers 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.
Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Line Level
1) An amplified signal level put out by an amplifier and used as the normal level that runs through the interconnecting cables in a control room.
2) A low level signal such as the signal in a guitar cord. Most parts of a PA require a line level signal. Remember, however, that speaker outputs are not line level. Plugging speaker outs into line ins will result in damage to the equipment
Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.
Friday, February 2, 2024
Brooks Hi Fi speakers Cable, XLR
A balanced cable used for low impedance microphones and sometimes for connections between some parts of the PA. Commonly referred to as a "mic cord".
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.
Brooks RM 909 reviews Automation
In consoles, a feature that lets the engineer program control changes (such as fader level) so that upon playback of the multitrack recording these changes happen automatically.
Comb Filter
1) The frequency response achieved by mixing a direct signal with a delayed signal of equal strength especially at short delays.
2) Loosely used to also describe effects that can be achieved with comb filtering as part of the processing.
Brooks HI FI projectors Channel
1) In multitrack tape machines, this term means the same thing as the term Track (one audio recording made on a portion of the width of a multitrack tape).
2) A single path that an audio signal travels or can travel through a device from an input to an output.
Close Micing
A technique of placing a microphone close to the sound source (within one foot) in order to pick up mainly the direct sound and to avoid picking up leakage or ambience.
Byte
A grouping of eight information bits.
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.
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.
Brooks RM 909 reviews Automation
In consoles, a feature that lets the engineer program control changes (such as fader level) so that upon playback of the multitrack recording these changes happen automatically.
Comb Filter
1) The frequency response achieved by mixing a direct signal with a delayed signal of equal strength especially at short delays.
2) Loosely used to also describe effects that can be achieved with comb filtering as part of the processing.
Brooks HI FI projectors Channel
1) In multitrack tape machines, this term means the same thing as the term Track (one audio recording made on a portion of the width of a multitrack tape).
2) A single path that an audio signal travels or can travel through a device from an input to an output.
Close Micing
A technique of placing a microphone close to the sound source (within one foot) in order to pick up mainly the direct sound and to avoid picking up leakage or ambience.
Byte
A grouping of eight information bits.
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.
Wednesday, January 31, 2024
Brooks RM 909 reviews Envelope
1) How a sound or audio signal varies in intensity over a time span.
2) How a control voltage varies in level over time controlling a parameter of something other than gain or audio level.
FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.
Brooks Hi Fi reviews Clean
Describes a distortion free sound with few effects.
Far Field
The area from 3 feet away from the sound source up to the critical distance.
Brooks RM 909 Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).
Amplitude
The extreme range of a signal. Usually measured from the average to the extreme.
Action
In guitar playing, action refers to how far the strings sit off of the guitar neck. When strings are close to the neck, it is referred to as "Low Action". When the string sit far above the neck, it is called "High Action". Guitars with low action are easier to play, but make sure they are not too close, or it could causing buzzing.
Group Faders
The VCA faders of individual channels that are all controlled by a Group Master Fader (a slide control used to send out a control voltage to several VCA faders in individual channels).
2) How a control voltage varies in level over time controlling a parameter of something other than gain or audio level.
FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.
Brooks Hi Fi reviews Clean
Describes a distortion free sound with few effects.
Far Field
The area from 3 feet away from the sound source up to the critical distance.
Brooks RM 909 Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).
Amplitude
The extreme range of a signal. Usually measured from the average to the extreme.
Action
In guitar playing, action refers to how far the strings sit off of the guitar neck. When strings are close to the neck, it is referred to as "Low Action". When the string sit far above the neck, it is called "High Action". Guitars with low action are easier to play, but make sure they are not too close, or it could causing buzzing.
Group Faders
The VCA faders of individual channels that are all controlled by a Group Master Fader (a slide control used to send out a control voltage to several VCA faders in individual channels).
Sunday, January 28, 2024
Brooks RM 909 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.
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).
Brooks Hi Fi speakers Far Field
The area from 3 feet away from the sound source up to the critical distance.
Compression Ratio
How many dB the input signal has to rise above the threshold for every one dB more output of a compressor or limiter.
Brooks Hi Fi reviews AES/EBU
Professional Interface A standard for sending and receiving digital audio adopted by the Audio Engineering Society and the European Broadcast Union.
Clean
Describes a distortion free sound with few effects.
Cardioid Pattern
A microphone pick up pattern, which has maximum pick up from the front, less pick up from the sides, and least pick up from the back of the diaphragm.
Early Reflections
The first echoes in a room, caused by the sound from the sound source reflecting off one surface before reaching the listener.
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).
Brooks Hi Fi speakers Far Field
The area from 3 feet away from the sound source up to the critical distance.
Compression Ratio
How many dB the input signal has to rise above the threshold for every one dB more output of a compressor or limiter.
Brooks Hi Fi reviews AES/EBU
Professional Interface A standard for sending and receiving digital audio adopted by the Audio Engineering Society and the European Broadcast Union.
Clean
Describes a distortion free sound with few effects.
Cardioid Pattern
A microphone pick up pattern, which has maximum pick up from the front, less pick up from the sides, and least pick up from the back of the diaphragm.
Early Reflections
The first echoes in a room, caused by the sound from the sound source reflecting off one surface before reaching the listener.
Thursday, January 25, 2024
Brooks RM 909 Corner Frequency
Same as Cut-Off Frequency (the highest or lowest frequency in the pass band of a filter). (NOUN)
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).
Brooks Hi Fi speakers Basic Session
The First session in recording an audio production to record the Basic Tracks.
Flamenco
A style of music with roots in Spanish and Arabic culture.
Brooks HI FI projectors 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.
Headphones
Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears).
Fret Buzz
A buzzing sound made when a note is not properly fretted. Common with cheap guitars or beginning guitar players.
Inverse Square Law
Simply stated, the fact that in an un-obstructed area (like an open field) the sound pressure level will drop to half-pressure (-6 dB) every time the distance to the sound source is doubled.
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).
Brooks Hi Fi speakers Basic Session
The First session in recording an audio production to record the Basic Tracks.
Flamenco
A style of music with roots in Spanish and Arabic culture.
Brooks HI FI projectors 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.
Headphones
Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears).
Fret Buzz
A buzzing sound made when a note is not properly fretted. Common with cheap guitars or beginning guitar players.
Inverse Square Law
Simply stated, the fact that in an un-obstructed area (like an open field) the sound pressure level will drop to half-pressure (-6 dB) every time the distance to the sound source is doubled.
Brooks RM 909 Bi-Directional Pattern
A microphone pick up pattern which has maximum pick up directly in front and directly in back of the diaphragm and least pick up at the sides.
Bottom
The bass frequencies (as in "needs more bottom end").
Brooks Hi Fi speakers Chip
1) A slang term with the same meaning as the term IC (a miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment).
2) The thread cut away from the master lacquer to make the groove, while disc recording.
Crossover, Active
A rack mountable unit used to separate frequencies leaving the soundboard into high's, mids, and lows with different outputs for each.
Brooks Hi Fi reviews Capacitor
1) A device consisting of two or more conducting plates separated from one another by an insulating material and used for storing an electrical charge. Sometimes called a condenser.
2) An electronic device that is composed of two plates separated by an insulator.
Decibel (dB)
1) Relative measurement for the volume (loudness) of sound. Also used to measure the difference between two voltages, or two currents. See Zero dB.
2) A numerical expression of the relative loudness of a sound. The difference in decibels between two
sounds is ten times the common logarithm of the ratio of their power levels.
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.
Balanced input/output
A "balanced" connection is one that has three wires to move the signal. One is a ground, and the other two (called conductors) carry signals of equal value. This is why they are called balanced. Low Z cables and connections are the most common example.
Bottom
The bass frequencies (as in "needs more bottom end").
Brooks Hi Fi speakers Chip
1) A slang term with the same meaning as the term IC (a miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment).
2) The thread cut away from the master lacquer to make the groove, while disc recording.
Crossover, Active
A rack mountable unit used to separate frequencies leaving the soundboard into high's, mids, and lows with different outputs for each.
Brooks Hi Fi reviews Capacitor
1) A device consisting of two or more conducting plates separated from one another by an insulating material and used for storing an electrical charge. Sometimes called a condenser.
2) An electronic device that is composed of two plates separated by an insulator.
Decibel (dB)
1) Relative measurement for the volume (loudness) of sound. Also used to measure the difference between two voltages, or two currents. See Zero dB.
2) A numerical expression of the relative loudness of a sound. The difference in decibels between two
sounds is ten times the common logarithm of the ratio of their power levels.
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.
Balanced input/output
A "balanced" connection is one that has three wires to move the signal. One is a ground, and the other two (called conductors) carry signals of equal value. This is why they are called balanced. Low Z cables and connections are the most common example.
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