A microphone mounted on a flat plate that acts as a reflective surface directing sound into the mic capsule. Used for general pick-up over a large area. See PCC, PZM.
Attack
The rate the sound begins and increases in volume.
BNO Acoustics R-10 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.
Gain
1) Knob usually found at the top of each input channel on the soundboard. Used to set input levels of the separate channels to relatively equal positions.
2) The amount of increase in audio signal strength, often expressed in dB.
BNO Acoustics R-10 Speakers Hard Disk Recording
The recording of digital audio onto a hard disc.
Attenuation
A making smaller: reduction of electrical or acoustic signal strength.
Kilo
A prefix meaning 1000.
Hall
A large building designed for concerts; also called a concert hall.
Wednesday, October 27, 2021
Tuesday, October 26, 2021
BNO Acoustics BP-40 Frequency Range
The range of frequencies over which an electronic device is useful or over which a sound source will put out substantial energy.
Floor
1) An alternate tam meaning Range (a limit on the amount the signal is reduced when the input signal is low by an expander or gate).
2) A shortening of the term Noise Floor (the level of the noise).
BNO Acoustics GT-60 Input Overload
Sending too high of a signal level into a device so that the first amplifier of the device overloads.
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.
BNO Acoustics QT-5 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.
Harmonic Distortion
The presence of harmonics in the output signal of a device which were not present in the input signal.
Jack Bay
A series of jacks which have connections for most of the inputs and outputs of the equipment in the control room.
Full
A quality of the sound of having all frequencies present, especially the low frequencies.
Floor
1) An alternate tam meaning Range (a limit on the amount the signal is reduced when the input signal is low by an expander or gate).
2) A shortening of the term Noise Floor (the level of the noise).
BNO Acoustics GT-60 Input Overload
Sending too high of a signal level into a device so that the first amplifier of the device overloads.
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.
BNO Acoustics QT-5 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.
Harmonic Distortion
The presence of harmonics in the output signal of a device which were not present in the input signal.
Jack Bay
A series of jacks which have connections for most of the inputs and outputs of the equipment in the control room.
Full
A quality of the sound of having all frequencies present, especially the low frequencies.
Monday, October 25, 2021
BNO Acoustics LK-61 Auxiliary Input or Return
A route back into the sound desk for a signal sent to a piece of outboard equipment via an auxiliary send.
Key
The control of a dynamics processing device by an external audio signal.
BNO Acoustics YM-44 Electrons
Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.
Level
Sets output volume of individual PA input channels. Usually positioned as sliders at the bottom of the soundboard.
BNO Acoustics QS-4 Echo Return
An input of the console, which brings back the echo (reverberation) signal from the echo chamber or other echo effects device.
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.
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.
IM Distortion
An abbreviation of the term Intermodulation Distortion (Distortion caused by one signal beating with another signal and producing frequencies that are both the sum and the difference of the original frequencies present).
Key
The control of a dynamics processing device by an external audio signal.
BNO Acoustics YM-44 Electrons
Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.
Level
Sets output volume of individual PA input channels. Usually positioned as sliders at the bottom of the soundboard.
BNO Acoustics QS-4 Echo Return
An input of the console, which brings back the echo (reverberation) signal from the echo chamber or other echo effects device.
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.
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.
IM Distortion
An abbreviation of the term Intermodulation Distortion (Distortion caused by one signal beating with another signal and producing frequencies that are both the sum and the difference of the original frequencies present).
Sunday, October 24, 2021
BNO Acoustics TR-12 Images
The squaring of the waveform that happens in the conversion of digital audio bits into analog signals.
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).
BNO Acoustics QS-4 Hard Disk Recording
The recording of digital audio onto a hard disc.
Icon
A visual picture or symbol on a computer screen that represents a file, program or disc that can be used.
BNO Speakers 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.
Electret Mic
A condenser microphone where the capacitor plates are given a charge during manufacture which they retain, therefore requiring no external power supply.
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.
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.
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).
BNO Acoustics QS-4 Hard Disk Recording
The recording of digital audio onto a hard disc.
Icon
A visual picture or symbol on a computer screen that represents a file, program or disc that can be used.
BNO Speakers 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.
Electret Mic
A condenser microphone where the capacitor plates are given a charge during manufacture which they retain, therefore requiring no external power supply.
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.
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.
Saturday, October 23, 2021
BNO Acoustics R-10 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
Line Out (Output, Send)
Where a signal leaves the board or component.
BNO Acoustics TR-12 Error Concealment
Putting replacement information bits into a digital audio signal to replace lost bits when the digital recording or processing system cannot verify whether the lost bits were l's or 0's but can make a good guess by comparing the known bits that were close in position to the lost bits.
Librarian Program
A computer program allowing the storage of the parameters of sound patches outside of a synthesizer.
BNO Acoustics QS-4 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.
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.
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.
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)
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
Line Out (Output, Send)
Where a signal leaves the board or component.
BNO Acoustics TR-12 Error Concealment
Putting replacement information bits into a digital audio signal to replace lost bits when the digital recording or processing system cannot verify whether the lost bits were l's or 0's but can make a good guess by comparing the known bits that were close in position to the lost bits.
Librarian Program
A computer program allowing the storage of the parameters of sound patches outside of a synthesizer.
BNO Acoustics QS-4 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.
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.
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.
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)
Friday, October 22, 2021
BNO Acoustics SQ-9 Acoustic/Acoustical
Having to do with sound that can be heard by the ears.
AcousticsThe behaviour of sound and its study. The acoustics of a room depend on its size and shape and the amount and position of sound-absorbing and reflecting material.
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.
BNO Acoustics 6k-52 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).
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 Speakers Frequency
Practically speaking, high frequency means high pitch and low frequency means low pitch.
Clip
The action of deforming a waveform during overload.
Infinite Repeat
A function on some delay lines that establish enough feedback so that the repeat echo will last forever, but not so much as to cause a howling sound.
Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.
AcousticsThe behaviour of sound and its study. The acoustics of a room depend on its size and shape and the amount and position of sound-absorbing and reflecting material.
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.
BNO Acoustics 6k-52 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).
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 Speakers Frequency
Practically speaking, high frequency means high pitch and low frequency means low pitch.
Clip
The action of deforming a waveform during overload.
Infinite Repeat
A function on some delay lines that establish enough feedback so that the repeat echo will last forever, but not so much as to cause a howling sound.
Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.
Thursday, October 21, 2021
BNO Speakers 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.
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.
BNO Acoustics TR-12 Ampere
The unit of current, abbreviated Amp.
Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).
BNO Acoustics XV-16 Field
1) In video, one half of a frame.
2) In computer-controlled devices a window display with functions and choices that the operator can make
Error Concealment
Putting replacement information bits into a digital audio signal to replace lost bits when the digital recording or processing system cannot verify whether the lost bits were l's or 0's but can make a good guess by comparing the known bits that were close in position to the lost bits.
Front Loaded
A speaker cabinet where the speaker faces out toward the front.
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.
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.
BNO Acoustics TR-12 Ampere
The unit of current, abbreviated Amp.
Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).
BNO Acoustics XV-16 Field
1) In video, one half of a frame.
2) In computer-controlled devices a window display with functions and choices that the operator can make
Error Concealment
Putting replacement information bits into a digital audio signal to replace lost bits when the digital recording or processing system cannot verify whether the lost bits were l's or 0's but can make a good guess by comparing the known bits that were close in position to the lost bits.
Front Loaded
A speaker cabinet where the speaker faces out toward the front.
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.
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