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.
Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.
Brooks Hi Fi speakers Foot Pedal
1) An effects device where the amount of the effect can be controlled by a musician with his foot.
2) The beater mechanism of a foot drum that is activated by the drummer's foot to play the drum.
3) Any device, like a volume control, that can be operated by the foot.
IC
Abbreviation of Integrated Circuit (A miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment).
Brooks Hi Fi reviews Electrostatic Charge
The excess or deficiency of electrons in a given area.
Electromagnetic Field
Magnetic energy put out because of current travelling through a conductor.
Alternating Current
Electric current which flows back and forth in a circuit.
Format
1) The number of tracks, their width, spacing and order for tape recording.
2) To prepare a digital storage medium so that it will accept and store digital information bits.
Monday, July 31, 2023
Friday, July 28, 2023
Brooks RM 909 reviews Attenuator (Pot)
The electronic dohickey under the knobs that increases or reduces the strength of the signal running through it. When these get old and dirty, they can make popping noises or rumbles in your PA (As in "my pots are dirty").
Assign Tochoose to which place an output is going to be sent.
In-Line Console
A console with modules that have controls for all console sections in one long strip.
Brooks Hi Fi speakers Amplifier
Sound equipment that converts the low voltage, low current signal from a tape deck, mixer etc. into a higher current signal suitable for driving speakers. See Power Amplifier, Crossover.
Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Brooks HI FI projectors Floppy Disk (Floppy Disc)
A round flat object (usually housed in a protective sleeve) coated with material that can be magnetized in a similar manner to tape.
Ambient Field
A term with the same meaning as the term Reverberant Field (the area away from the sound source where the reverberation is louder than the direct sound).
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)
Gain Control
A device that changes the gain of an amplifier or circuit, often a knob that can be turned or a slide that can be moved up arid down.
Assign Tochoose to which place an output is going to be sent.
In-Line Console
A console with modules that have controls for all console sections in one long strip.
Brooks Hi Fi speakers Amplifier
Sound equipment that converts the low voltage, low current signal from a tape deck, mixer etc. into a higher current signal suitable for driving speakers. See Power Amplifier, Crossover.
Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Brooks HI FI projectors Floppy Disk (Floppy Disc)
A round flat object (usually housed in a protective sleeve) coated with material that can be magnetized in a similar manner to tape.
Ambient Field
A term with the same meaning as the term Reverberant Field (the area away from the sound source where the reverberation is louder than the direct sound).
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)
Gain Control
A device that changes the gain of an amplifier or circuit, often a knob that can be turned or a slide that can be moved up arid down.
Tuesday, July 25, 2023
Brooks RM 909 reviews Line
1) Short for line level.
2) A cable.
Layering
The recording (or playing) of a musical part with of several similar sound patches playing simultaneous.
Brooks RM 909 Keyboard
1) Any musical instrument controlled by pressing a key.
2) The part of the computer that has the keys.
Electric Current
A more formal term meaning the same as the term Current (the amount of electron charge passing a point in a conductor per unit of time).
Brooks Hi Fi speakers Amp
1) An abbreviation of the term Amplifier (A device which increases the level of an electrical signal.
2) An abbreviation of Ampere (the unit of current).
3) An abbreviation of amplitude (the height of a waveform above or below the zero line).
Amplification
An increasing of signal strength.
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.
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.
2) A cable.
Layering
The recording (or playing) of a musical part with of several similar sound patches playing simultaneous.
Brooks RM 909 Keyboard
1) Any musical instrument controlled by pressing a key.
2) The part of the computer that has the keys.
Electric Current
A more formal term meaning the same as the term Current (the amount of electron charge passing a point in a conductor per unit of time).
Brooks Hi Fi speakers Amp
1) An abbreviation of the term Amplifier (A device which increases the level of an electrical signal.
2) An abbreviation of Ampere (the unit of current).
3) An abbreviation of amplitude (the height of a waveform above or below the zero line).
Amplification
An increasing of signal strength.
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.
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.
Saturday, July 22, 2023
Brooks Hi Fi speakers Analog Recording
A recording of the continuous changes of an audio waveform.
Ampere
The unit of current, abbreviated Amp.
Brooks RM 909 reviews Fidelity
The recording or reproduction quality.
Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).
Brooks RM 909 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.
Digital Recording
1) ADAM : (Akai Digital Audio Multitrack). 12 track recording onto Video 8 tape. 16 bit, 44.1 or 48 kHz sampling rate.
2) DAT (Digital Audio Tape) Cassette-like system which has much higher quality than standard audio cassettes. Widely used in gathering sound effects, for news gathering, and for playback of music.
3) DCC (Digital Compact Cassette) Rival to DAT which also plays standard audio cassettes.
4) MiniDisc : Uses computer disk technology, rather than tape. A laser heats an area of magnetic disk which is then written to by a magnetic head. When cooled, the magnetic information is read from the disk by laser. Tracks can be named, and are instant start. Very theatre-friendly system.
5) Direct to Disk : Uses the hard disk present in most PCs as the recording medium.
Buss (Bus)
A wire carrying signals to some place, usually fed from several sources.
Byte
A grouping of eight information bits.
Ampere
The unit of current, abbreviated Amp.
Brooks RM 909 reviews Fidelity
The recording or reproduction quality.
Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).
Brooks RM 909 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.
Digital Recording
1) ADAM : (Akai Digital Audio Multitrack). 12 track recording onto Video 8 tape. 16 bit, 44.1 or 48 kHz sampling rate.
2) DAT (Digital Audio Tape) Cassette-like system which has much higher quality than standard audio cassettes. Widely used in gathering sound effects, for news gathering, and for playback of music.
3) DCC (Digital Compact Cassette) Rival to DAT which also plays standard audio cassettes.
4) MiniDisc : Uses computer disk technology, rather than tape. A laser heats an area of magnetic disk which is then written to by a magnetic head. When cooled, the magnetic information is read from the disk by laser. Tracks can be named, and are instant start. Very theatre-friendly system.
5) Direct to Disk : Uses the hard disk present in most PCs as the recording medium.
Buss (Bus)
A wire carrying signals to some place, usually fed from several sources.
Byte
A grouping of eight information bits.
Wednesday, July 19, 2023
Brooks Hi Fi speakers Audio
Most often referring to electrical signals resulting from the sound pressure wave being converted into electrical energy.
Cascade
To set and interconnect two mixers so that the stereo mixing buss(es) of the first mixer feeds the stereo buss(es) of a second mixer.
Brooks RM 909 reviews 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.
Consumer Format (Consumer DIF)
A standard adopted by IEC for sending and receiving digital audio based on The AES Professional Interface.
Brooks HI FI projectors Joystick
1) A quad pan pot which distributes what percentage of on signal is sent to each of 4 outputs.
2) A control that is separately controlling two functions at one time.
Half Step
A pitch difference of the amount that is present between adjacent keys on a piano.
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.
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"
Cascade
To set and interconnect two mixers so that the stereo mixing buss(es) of the first mixer feeds the stereo buss(es) of a second mixer.
Brooks RM 909 reviews 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.
Consumer Format (Consumer DIF)
A standard adopted by IEC for sending and receiving digital audio based on The AES Professional Interface.
Brooks HI FI projectors Joystick
1) A quad pan pot which distributes what percentage of on signal is sent to each of 4 outputs.
2) A control that is separately controlling two functions at one time.
Half Step
A pitch difference of the amount that is present between adjacent keys on a piano.
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.
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"
Sunday, July 16, 2023
Brooks Hi Fi reviews Level
The amount of signal strength; the amplitude, especially the average amplitude.
Generating Element
The portion of the microphone that actually converts the movement of the diaphragm into electrical current or voltage changes.
Brooks RM 909 Lift
1) To boost gain of audio at a particular band of frequencies with an equalizer.
2) An elevation device in the star trek series of TV programs.
Electrons
Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.
Brooks HI FI projectors FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.
Input Impedance
The opposition to current flow by the first circuits of a device.
Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.
Line In (Input, return)
Where a signal enters the board or component.
Generating Element
The portion of the microphone that actually converts the movement of the diaphragm into electrical current or voltage changes.
Brooks RM 909 Lift
1) To boost gain of audio at a particular band of frequencies with an equalizer.
2) An elevation device in the star trek series of TV programs.
Electrons
Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.
Brooks HI FI projectors FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.
Input Impedance
The opposition to current flow by the first circuits of a device.
Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.
Line In (Input, return)
Where a signal enters the board or component.
Thursday, July 13, 2023
Brooks RM 909 reviews In-Line Console
A console with modules that have controls for all console sections in one long strip.
Isolation
A containing of the sound wave in a certain area so that it will not leak into other areas and/or unintended mics.
Brooks RM 909 Head
1) In tape recording, the transducer (energy converter) that changes the audio energy from electrical energy to magnetic energy and back; also the devices that apply magnetism to the recording tape for other purposes such as in the erase head.
2) The part of a device that immediately includes the transducer to change sound or audio signals from one energy form to another.
Echo Return
An input of the console, which brings back the echo (reverberation) signal from the echo chamber or other echo effects device.
Brooks HI FI projectors Fletcher Munson Effect
A hearing limitation shown by Fletcher Munson Equal Loudness Contours (as music is lowered in volume, it is much more difficult to hear bass frequencies and somewhat harder to hear very high frequencies).
Hum
The 60 Hz power line current accidentally induced or fed into electronic equipment.
Expander
A device that causes expansion of the audio signal.
Insert
1) A punch in of the all of the tracks being recorded in a recording session.
2) On Solid State Logic consoles, placing an outboard piece of gear in the channel by patching and activating a switch.
Isolation
A containing of the sound wave in a certain area so that it will not leak into other areas and/or unintended mics.
Brooks RM 909 Head
1) In tape recording, the transducer (energy converter) that changes the audio energy from electrical energy to magnetic energy and back; also the devices that apply magnetism to the recording tape for other purposes such as in the erase head.
2) The part of a device that immediately includes the transducer to change sound or audio signals from one energy form to another.
Echo Return
An input of the console, which brings back the echo (reverberation) signal from the echo chamber or other echo effects device.
Brooks HI FI projectors Fletcher Munson Effect
A hearing limitation shown by Fletcher Munson Equal Loudness Contours (as music is lowered in volume, it is much more difficult to hear bass frequencies and somewhat harder to hear very high frequencies).
Hum
The 60 Hz power line current accidentally induced or fed into electronic equipment.
Expander
A device that causes expansion of the audio signal.
Insert
1) A punch in of the all of the tracks being recorded in a recording session.
2) On Solid State Logic consoles, placing an outboard piece of gear in the channel by patching and activating a switch.
Monday, July 10, 2023
Brooks Hi Fi speakers Amp
1) An abbreviation of the term Amplifier (A device which increases the level of an electrical signal.
2) An abbreviation of Ampere (the unit of current).
3) An abbreviation of amplitude (the height of a waveform above or below the zero line).
Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.
Brooks HI FI projectors Error Detection
The process of discovery that sonic information bits have been lost in digital audio.
Ground Lifter
An adapter that takes a three prong power cord and plugs into a two prong outlet, used to disconnect the third (ground) pin of the power outlet. WARNING: It can be VERY DANGEROUS to have no ground connection to the case by using a ground lifter and not grounding the unit by other means.
Brooks RM 909 Hybrid
A product created by the marriage of two different technologies. Meant here as the combination of a dynamic woofer with an electrostatic transducer.
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.
Earth
The British version of the term Ground (In electronics, a place that has zero volts).
Beat
1) The steady even pulse in music.
2) The action of two sounds or audio signals mixing together and causing regular rises &.falls in volume.
2) An abbreviation of Ampere (the unit of current).
3) An abbreviation of amplitude (the height of a waveform above or below the zero line).
Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.
Brooks HI FI projectors Error Detection
The process of discovery that sonic information bits have been lost in digital audio.
Ground Lifter
An adapter that takes a three prong power cord and plugs into a two prong outlet, used to disconnect the third (ground) pin of the power outlet. WARNING: It can be VERY DANGEROUS to have no ground connection to the case by using a ground lifter and not grounding the unit by other means.
Brooks RM 909 Hybrid
A product created by the marriage of two different technologies. Meant here as the combination of a dynamic woofer with an electrostatic transducer.
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.
Earth
The British version of the term Ground (In electronics, a place that has zero volts).
Beat
1) The steady even pulse in music.
2) The action of two sounds or audio signals mixing together and causing regular rises &.falls in volume.
Friday, July 7, 2023
Brooks Hi Fi reviews Electrons
Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.
Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Brooks RM 909 Lead Sheet
A written chart showing the melody, lyrics and chords of a tune with full musical notation.
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.
Brooks RM 909 reviews 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.
Full Step
A change in pitch that occurs when moving up or down two piano keys
LFO
Low-Frequency Oscillator (an oscillator that puts out an AC signal between .1 Hz and 10Hz used for a control signal).
Linear
The condition of obtaining a change at the output of the device which is proportional to the change occurring at the input.
Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Brooks RM 909 Lead Sheet
A written chart showing the melody, lyrics and chords of a tune with full musical notation.
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.
Brooks RM 909 reviews 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.
Full Step
A change in pitch that occurs when moving up or down two piano keys
LFO
Low-Frequency Oscillator (an oscillator that puts out an AC signal between .1 Hz and 10Hz used for a control signal).
Linear
The condition of obtaining a change at the output of the device which is proportional to the change occurring at the input.
Tuesday, July 4, 2023
Brooks Hi Fi reviews Lead Sheet
A written chart showing the melody, lyrics and chords of a tune with full musical notation.
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).
Brooks Hi Fi speakers Linear
The condition of obtaining a change at the output of the device which is proportional to the change occurring at the input.
Electret Condenser
A condenser microphone that has a permanently polarized (charged) variable capacitor as its sound pressure level sensor.
Brooks RM 909 reviews Attenuation
A making smaller: reduction of electrical or acoustic signal strength.
Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.
Filter
1) A device that removes signals with frequencies above or below a certain point called the cut-off frequency.
2) An equalizer section, used in this sense because filters are used with other components to give an equalizer its frequency response characteristics.
3) The action of removing signals of some frequencies and leaving the rest.
4) A mechanical device to smooth out speed variations in tape machines called a Scrape Flutter Filter- more usually called a Scrape Flutter Idler
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.
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).
Brooks Hi Fi speakers Linear
The condition of obtaining a change at the output of the device which is proportional to the change occurring at the input.
Electret Condenser
A condenser microphone that has a permanently polarized (charged) variable capacitor as its sound pressure level sensor.
Brooks RM 909 reviews Attenuation
A making smaller: reduction of electrical or acoustic signal strength.
Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.
Filter
1) A device that removes signals with frequencies above or below a certain point called the cut-off frequency.
2) An equalizer section, used in this sense because filters are used with other components to give an equalizer its frequency response characteristics.
3) The action of removing signals of some frequencies and leaving the rest.
4) A mechanical device to smooth out speed variations in tape machines called a Scrape Flutter Filter- more usually called a Scrape Flutter Idler
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.
Saturday, July 1, 2023
Brooks Hi Fi reviews Integrated Circuit (IC)
A miniature circuit of many components in a small, sealed housing with prongs to connect it into equipment.
Input Overload
Sending too high of a signal level into a device so that the first amplifier of the device overloads.
Brooks RM 909 Headstock
The area of the guitar at the end of the neck where the strings are tuned.
Chord
Three or more musical pitches sung or played together.
Brooks HI FI projectors Barrier Micing
A method of placing the head of a microphone as close as possible to a reflective surface, preventing phase cancellation.
Distortion
Usually undesirable result of overloading sound equipment. Reducing the levels can remedy the situation.
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.
Fidelity
The recording or reproduction quality.
Input Overload
Sending too high of a signal level into a device so that the first amplifier of the device overloads.
Brooks RM 909 Headstock
The area of the guitar at the end of the neck where the strings are tuned.
Chord
Three or more musical pitches sung or played together.
Brooks HI FI projectors Barrier Micing
A method of placing the head of a microphone as close as possible to a reflective surface, preventing phase cancellation.
Distortion
Usually undesirable result of overloading sound equipment. Reducing the levels can remedy the situation.
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.
Fidelity
The recording or reproduction quality.
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