Wednesday, November 3, 2021

BNO Acoustics QT-5 Bridge

The bridge assembly, or just "bridge" is an area on the face of the guitar where the string meet or are connected to the face.

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 6k-52 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.

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".

BNO Acoustics R-10 Speakers Capsule
1) The variable capacitor section of a condenser microphone.
2) In other types of microphones, the part of the microphone that includes the diaphragm and the active element.

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).

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.

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

Tuesday, November 2, 2021

BNO Acoustics HD-70 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.

Effects
1) Various ways an audio signal can be modified by adding something to the signal to change the sound.
2) Short for the term Sound Effects (sounds other than dialogue, narration or music like door closings, wind, etc. added to film or video shots).

BNO Acoustics Speakers Foot Switch
A switch placed on the floor and pressed by a musician to do various functions.

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).

BNO Acoustics TS-10 Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal.

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.

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).

Group
1) A number of channels or faders that can be controlled by one Master VCA slide.
2) A shortening of the term Recording Group (a buss or the signal present on a buss).

Monday, November 1, 2021

BNO Acoustics LK-61 Lead

The musical instrument that plays the melody of the tune, including the vocal.

Guitar Processor
A unit that will add effects to a direct guitar signal, including a simulated instrument amplifier sound and (often) delay and reverb effects.

BNO Acoustics R-10 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.

Boost
To increase gain, especially to increase gain at specific frequencies with an equalizer.

BNO Acoustics XV-16 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.

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.

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.

Consumer Format (Consumer DIF)
A standard adopted by IEC for sending and receiving digital audio based on The AES Professional Interface.

Sunday, October 31, 2021

BNO Acoustics QS-4 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

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.

BNO Acoustics Speakers Fat
Having more than a normal amount of signal strength at low frequencies or having more sound than normal (by use of compression or delay).

Edit
A switch that does different things depending on the operational mode that the machine is in:
1) If a computer-controlled transport is in "Stop," pushing the "Edit" switch deactivates the computer-controlled tension system and allows the reels to be moved by hand to find the exact spot desired on the tape.
2) If the machine is in "Play", the "Edit" switch makes the take-up reel cease taking up the tape and it falls to the floor.
3) If the machine is in a fast-wind mode, the tape lifters are defeated so the tape is in contact with the reproduce head and the engineer can hear where the selections begin and end.

BNO Speakers Compression Driver
The unit that feeds a sound pressure wave into the throat of a horn (in a horn loudspeaker).

Half Step
A pitch difference of the amount that is present between adjacent keys on a piano.

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.

Frequency
The number of cycles of a waveform occurring in a second.

Saturday, October 30, 2021

BNO Acoustics LK-61 Bass Roll Off

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

Corner Frequency
Same as Cut-Off Frequency (the highest or lowest frequency in the pass band of a filter). (NOUN)

BNO Acoustics GT-60 BPM
An abbreviation of Beat Per Minute (the number of steady even pulses in music occurring in one minute and therefore defining the tempo).

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

BNO Acoustics TS-10 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.

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.

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.

Crossover (Crossover Network)
A set of filters that "split" the audio signal into two or more bands (two or more signals, each of which have only some of the frequencies present).

Friday, October 29, 2021

BNO Acoustics TS-10 Electrons

Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.

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

BNO Acoustics XR-90 Frets
Vertical metal wires which sit vertically on the guitar neck.

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

BNO Speakers Graphic Equalizer
An device with several slides controlling the gain of audio signal present which is within one of several evenly spaced frequency bands (spaced according to octaves).

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.

Hall
A large building designed for concerts; also called a concert hall.

Error Message
A prompt on a computer screen telling the operator that an error has occurred.

Thursday, October 28, 2021

BNO Acoustics XV-16 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.

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.

BNO Acoustics R-10 Speakers Humbucker
Pickups that are coupled together to get a certain sound.

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 Acoustics BP-40 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.

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).

Electromagnetic Induction or Pick Up
The generation of electrical signal in a conductor moving in a magnetic field or being close to a changing magnetic field.

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.