A recording of the continuous changes of an audio waveform.
Alternating Current
Electric current which flows back and forth in a circuit.
Brooks RM 909 Echo Send
The output of a console used to send a signal to an echo chamber or delay effects device.
Images
The squaring of the waveform that happens in the conversion of digital audio bits into analog signals.
Brooks Hi Fi reviews 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).
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.
Critical Distance
The point a distance away from the sound source where the direct sound and the reverberant sound are equal in volume.
Initialize
To prepare a digital storage medium (like a floppy disk) so that it will accept and store digital information bits.
Friday, June 28, 2024
Tuesday, June 25, 2024
Brooks RM 909 reviews High Frequencies
The audio frequencies from 6000 Hz and above.
Haas Effect
Simply stated, a factor in human hearing where delay has a much bigger effect on human perception of direction than level does.
Brooks Hi Fi speakers 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).
Jack Bay
A series of jacks which have connections for most of the inputs and outputs of the equipment in the control room.
Brooks RM 909 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.
Chord
Three or more musical pitches sung or played together.
LFO
Low-Frequency Oscillator (an oscillator that puts out an AC signal between .1 Hz and 10Hz used for a control signal).
Compact Disc, Interactive CDI
A Compact Disc, usually containing audio, video, and text, which the user can interact with in that the display or playback changes after the user performs some action.
Haas Effect
Simply stated, a factor in human hearing where delay has a much bigger effect on human perception of direction than level does.
Brooks Hi Fi speakers 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).
Jack Bay
A series of jacks which have connections for most of the inputs and outputs of the equipment in the control room.
Brooks RM 909 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.
Chord
Three or more musical pitches sung or played together.
LFO
Low-Frequency Oscillator (an oscillator that puts out an AC signal between .1 Hz and 10Hz used for a control signal).
Compact Disc, Interactive CDI
A Compact Disc, usually containing audio, video, and text, which the user can interact with in that the display or playback changes after the user performs some action.
Saturday, June 22, 2024
Brooks Hi Fi speakers Compander
1) A two section device that is used in noise reduction systems. The first section compresses the audio signal, before it is recorded, and the second section, expands the signal after recording.
2) In Yamaha brand digital consoles, a signal processing function that applies both compression and expansion to the same signal.
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.
Brooks HI FI projectors Jack
1) Anywhere you plug something in.
2) Segmented audio connector. Mono Jacks have two connections �" tip and sleeve, and are unbalanced. Stereo jacks have three connections �" tip, ring and sleeve. B-type jacks (also known as Bantam jacks) were originally designed for use in telephone exchanges and provide a high quality (and expensive) connection in jackfields. A-type jacks are cheaper and more common, but more fragile. A type jacks are available in 2 sizes : quarter inch and eighth inch.
3) A connector mounted on the case of a device or on a panel.
Input
1) The jack or physical location of where a device receives a signal.
2) The signal being received by a device.
3) The action of receiving a signal by a device.
Brooks RM 909 Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.
Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.
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.
Echo Send Control
A control to send the signal from the input module to the echo chamber or effects device via the echo buss.
2) In Yamaha brand digital consoles, a signal processing function that applies both compression and expansion to the same signal.
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.
Brooks HI FI projectors Jack
1) Anywhere you plug something in.
2) Segmented audio connector. Mono Jacks have two connections �" tip and sleeve, and are unbalanced. Stereo jacks have three connections �" tip, ring and sleeve. B-type jacks (also known as Bantam jacks) were originally designed for use in telephone exchanges and provide a high quality (and expensive) connection in jackfields. A-type jacks are cheaper and more common, but more fragile. A type jacks are available in 2 sizes : quarter inch and eighth inch.
3) A connector mounted on the case of a device or on a panel.
Input
1) The jack or physical location of where a device receives a signal.
2) The signal being received by a device.
3) The action of receiving a signal by a device.
Brooks RM 909 Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.
Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.
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.
Echo Send Control
A control to send the signal from the input module to the echo chamber or effects device via the echo buss.
Wednesday, June 19, 2024
Brooks RM 909 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.
AES
An abbreviation of Audio Engineering Society.
Brooks RM 909 reviews Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Delay
Outboard sound equipment that can momentarily stores a signal being sent to part of a P.A. system so that delayed reinforced sound reaches the audience at the same time as live sound from the stage.
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.
Keyboard Controller
A device that has the standard music keys of piano but puts out MIDI signals
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.
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).
AES
An abbreviation of Audio Engineering Society.
Brooks RM 909 reviews Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.
Delay
Outboard sound equipment that can momentarily stores a signal being sent to part of a P.A. system so that delayed reinforced sound reaches the audience at the same time as live sound from the stage.
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.
Keyboard Controller
A device that has the standard music keys of piano but puts out MIDI signals
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.
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).
Sunday, June 16, 2024
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.
Frets
Vertical metal wires which sit vertically on the guitar neck.
Brooks Hi Fi reviews 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.
Lead Sheet
A written chart showing the melody, lyrics and chords of a tune with full musical notation.
Brooks Hi Fi speakers LFO
Low-Frequency Oscillator (an oscillator that puts out an AC signal between .1 Hz and 10Hz used for a control signal).
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.
Bass Roll Off
An electrical network built into some microphones to reduce the amount of output at bass frequencies when close-micing.
Balls
1) The depth and thickness of a sound, usually on the bottom end of the EQ (as in "needs more balls"). 2) The strength of the voice on the mic (as in "check it like you have some balls").
Frets
Vertical metal wires which sit vertically on the guitar neck.
Brooks Hi Fi reviews 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.
Lead Sheet
A written chart showing the melody, lyrics and chords of a tune with full musical notation.
Brooks Hi Fi speakers LFO
Low-Frequency Oscillator (an oscillator that puts out an AC signal between .1 Hz and 10Hz used for a control signal).
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.
Bass Roll Off
An electrical network built into some microphones to reduce the amount of output at bass frequencies when close-micing.
Balls
1) The depth and thickness of a sound, usually on the bottom end of the EQ (as in "needs more balls"). 2) The strength of the voice on the mic (as in "check it like you have some balls").
Thursday, June 13, 2024
Brooks RM 909 reviews 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).
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 Highs
Short for the term High Frequencies (the audio frequencies from 6000 Hz and above).
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).
Brooks Hi Fi speakers Basic Session
The First session in recording an audio production to record the Basic Tracks.
ID
An index signal (digital data that gives the machine information of where selections start, their selection number, etc.) on a DAT or CD.
Jack Bay
A series of jacks which have connections for most of the inputs and outputs of the equipment in the control room.
Electrons
Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.
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 Highs
Short for the term High Frequencies (the audio frequencies from 6000 Hz and above).
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).
Brooks Hi Fi speakers Basic Session
The First session in recording an audio production to record the Basic Tracks.
ID
An index signal (digital data that gives the machine information of where selections start, their selection number, etc.) on a DAT or CD.
Jack Bay
A series of jacks which have connections for most of the inputs and outputs of the equipment in the control room.
Electrons
Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.
Monday, June 10, 2024
Brooks HI FI projectors Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.
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.
Brooks RM 909 Ampere
The unit of current, abbreviated Amp.
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.
Brooks Hi Fi speakers Chorus
Common type of effect that makes sounds fuller and thicker.
Amplitude
The extreme range of a signal. Usually measured from the average to the extreme.
Key
The control of a dynamics processing device by an external audio signal.
Hertz
The unit of frequency. Equivalent to cycles per second. Abbreviation: Hz.
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.
Brooks RM 909 Ampere
The unit of current, abbreviated Amp.
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.
Brooks Hi Fi speakers Chorus
Common type of effect that makes sounds fuller and thicker.
Amplitude
The extreme range of a signal. Usually measured from the average to the extreme.
Key
The control of a dynamics processing device by an external audio signal.
Hertz
The unit of frequency. Equivalent to cycles per second. Abbreviation: Hz.
Friday, June 7, 2024
Brooks RM 909 Line
1) Short for line level.
2) A cable.
Frequency
The number of cycles of a waveform occurring in a second.
Brooks RM 909 reviews 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.
Icon
A visual picture or symbol on a computer screen that represents a file, program or disc that can be used.
Brooks HI FI projectors 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.
Feedback
1) The delayed signal sent back to the input of a delay line, used in repeat-echo effects.
2) The pickup of the signal out of a channel by its input or the howling sound that this produces.
3) In an amplifier, the phase reversed output signal sent back to its input, reducing gain but also distortion and noise.
4) This occurs when the sound coming out of the speakers goes back into the microphones, then back out the speakers, then back into the mics…and so on. This can build very quickly to a point where everyone in the room is holding their ears and screaming at you. It can also cause damage to the PA.
Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.
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.
2) A cable.
Frequency
The number of cycles of a waveform occurring in a second.
Brooks RM 909 reviews 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.
Icon
A visual picture or symbol on a computer screen that represents a file, program or disc that can be used.
Brooks HI FI projectors 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.
Feedback
1) The delayed signal sent back to the input of a delay line, used in repeat-echo effects.
2) The pickup of the signal out of a channel by its input or the howling sound that this produces.
3) In an amplifier, the phase reversed output signal sent back to its input, reducing gain but also distortion and noise.
4) This occurs when the sound coming out of the speakers goes back into the microphones, then back out the speakers, then back into the mics…and so on. This can build very quickly to a point where everyone in the room is holding their ears and screaming at you. It can also cause damage to the PA.
Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.
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.
Tuesday, June 4, 2024
Brooks Hi Fi reviews 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).
Haas Effect
Simply stated, a factor in human hearing where delay has a much bigger effect on human perception of direction than level does.
Brooks Hi Fi speakers Linearity
The extent to which any signal handling process is accomplished without amplitude distortion.
Harmonic Distortion
The presence of harmonics in the output signal of a device which were not present in the input signal.
Brooks HI FI projectors Insulator
A substance such as glass, air, plastic, etc., that will (for all practical purposes) not conduct electricity.
Light Emitting Diode
A light that allows current to flow in one direction only and emits light whenever a voltage of a certain level or beyond is applied to it.
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.
Hertz
The unit of frequency. Equivalent to cycles per second. Abbreviation: Hz.
Haas Effect
Simply stated, a factor in human hearing where delay has a much bigger effect on human perception of direction than level does.
Brooks Hi Fi speakers Linearity
The extent to which any signal handling process is accomplished without amplitude distortion.
Harmonic Distortion
The presence of harmonics in the output signal of a device which were not present in the input signal.
Brooks HI FI projectors Insulator
A substance such as glass, air, plastic, etc., that will (for all practical purposes) not conduct electricity.
Light Emitting Diode
A light that allows current to flow in one direction only and emits light whenever a voltage of a certain level or beyond is applied to it.
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.
Hertz
The unit of frequency. Equivalent to cycles per second. Abbreviation: Hz.
Saturday, June 1, 2024
Brooks RM 909 reviews Distorted
The way your PA sounds just before it blows up. Fuzzy and scratchy. If you hear this, it either means you have something hooked up wrong, or something in the system is going bad. It could be anything from your super expensive soundboard to a five dollar patch cord.
Condenser Mic (Capacitor Mic)
A microphone that uses the varying capacitance between two plates with a voltage applied across them to convert sound to electrical pulses. Condenser microphones need a power supply to provide the voltage across the plates, which may be provided by a battery within the case of the microphone, or it may be provided from an external phantom power supply. A condenser mic is more sensitive and has a faster reaction to percussive sounds than a Dynamic mic and produces a more even response. See Electret Mic.
Brooks HI FI projectors Generation
A term used to describe the number of times that the recorded audio signal has been copied.
Ground Lift
A switch that breaks the connection between the ground point in one circuit and the ground point in another circuit.
Brooks Hi Fi speakers 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.
Instrument Out Direct
Feeding the output of an electric instrument (like an electric guitar) to the recording console or tape recorder without using a microphone.
Amplitude
The extreme range of a signal. Usually measured from the average to the extreme.
Foldback
A European term for the signal sent to the stage monitors in a live performance.
Condenser Mic (Capacitor Mic)
A microphone that uses the varying capacitance between two plates with a voltage applied across them to convert sound to electrical pulses. Condenser microphones need a power supply to provide the voltage across the plates, which may be provided by a battery within the case of the microphone, or it may be provided from an external phantom power supply. A condenser mic is more sensitive and has a faster reaction to percussive sounds than a Dynamic mic and produces a more even response. See Electret Mic.
Brooks HI FI projectors Generation
A term used to describe the number of times that the recorded audio signal has been copied.
Ground Lift
A switch that breaks the connection between the ground point in one circuit and the ground point in another circuit.
Brooks Hi Fi speakers 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.
Instrument Out Direct
Feeding the output of an electric instrument (like an electric guitar) to the recording console or tape recorder without using a microphone.
Amplitude
The extreme range of a signal. Usually measured from the average to the extreme.
Foldback
A European term for the signal sent to the stage monitors in a live performance.
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