The sound obtained by close-micing, well isolated instruments.
Soldering
The action of making connections with solder (a soft mixture of metals used to make a bond between two metal surfaces by melting).
Output Impedance
The opposition to current flow by the output circuits of an amplifier (or other device).
Wow
A low pitch change that happens because the recorder or playback machine fluctuating in speed slowly.
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.
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.
Trim
1) Same as "Trim Control" (see below).
2) To make a small adjustment to any control.
Friday, August 30, 2019
Thursday, August 29, 2019
BNO Acoustics HD-70: Weighting
An equalization curve used in audio tests that compensates for the Fletcher Munson Effect at various levels.
Magnetic
1) Putting out magnetic energy.
2) Able to be magnetized.
Pressure Microphone
A microphone where the diaphragm moves because of the pressure of the sound wave having one side of the diaphragm working against the normal or controlled air pressure inside the microphone case.
Magnetic Lines of Force
The magnetic field that exists between poles of a magnet.
BNO Acoustics LK-61: Sound File (Soundfile)
A digital audio recording that can be stored in a computer or on a digital storage medium (such as a hard disc).
Take-Up Reel
The reel that the tape is wound onto in the play mode.
Pressure Gradient Microphone
A microphone whose diaphragm is exposed front and back and diaphragm movement is caused by the pressure difference between its front and back.
Magnetic
1) Putting out magnetic energy.
2) Able to be magnetized.
Pressure Microphone
A microphone where the diaphragm moves because of the pressure of the sound wave having one side of the diaphragm working against the normal or controlled air pressure inside the microphone case.
Magnetic Lines of Force
The magnetic field that exists between poles of a magnet.
BNO Acoustics LK-61: Sound File (Soundfile)
A digital audio recording that can be stored in a computer or on a digital storage medium (such as a hard disc).
Take-Up Reel
The reel that the tape is wound onto in the play mode.
Pressure Gradient Microphone
A microphone whose diaphragm is exposed front and back and diaphragm movement is caused by the pressure difference between its front and back.
Wednesday, August 28, 2019
BNO Acoustics HD-70: Patch Point
One jack in a patch bay.
Isolation
A containing of the sound wave in a certain area so that it will not leak into other areas and/or unintended mics.
Transpose
The act of changing the musical key of an entire piece of music by an interval.
Smart FSK
An FSK (Frequency Shift Key) sync signal where the beginning of each measure has an identification message giving the measure number.
Ground Loop
A double grounding of a line or electronic device at two different "ground" points of differing voltage.
Program Number
The number of the pre-recorded selection in a CD or DAT.
Tach
Abbreviation of the term Tachometer (a device that puts out pulses as the tape moves in a tape deck).
Isolation
A containing of the sound wave in a certain area so that it will not leak into other areas and/or unintended mics.
Transpose
The act of changing the musical key of an entire piece of music by an interval.
Smart FSK
An FSK (Frequency Shift Key) sync signal where the beginning of each measure has an identification message giving the measure number.
Ground Loop
A double grounding of a line or electronic device at two different "ground" points of differing voltage.
Program Number
The number of the pre-recorded selection in a CD or DAT.
Tach
Abbreviation of the term Tachometer (a device that puts out pulses as the tape moves in a tape deck).
Sunday, August 25, 2019
BNO Acoustics SQ-9: Parallel Jacks
Several jacks that are wired so that each connection is wired to the corresponding connection of other jacks.
Rewind
Movement of the tape quickly from the take up reel to the supply reel (the direction opposite of play).
RF Abbreviation for the term Radio Frequencies (frequencies higher than 20,000 Hz � usually above 100 kHz).
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.
M
1) This is the Greek letter "mu", which is actually a forerunner of the English "M", however, the lower-case "u" is often used in place of it because of it's similar appearance.
2) This symbol is used for micro- (one millionth).
3) m s means two microseconds which is 2/1,000,000 of a second.
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).
BNO Speakers: 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).
Reverberation
The persistence of a sound after the source stops emitting it, caused by many discrete echoes arriving at the ear so closely spaced in time that the ear cannot separate them.
Rewind
Movement of the tape quickly from the take up reel to the supply reel (the direction opposite of play).
RF Abbreviation for the term Radio Frequencies (frequencies higher than 20,000 Hz � usually above 100 kHz).
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.
M
1) This is the Greek letter "mu", which is actually a forerunner of the English "M", however, the lower-case "u" is often used in place of it because of it's similar appearance.
2) This symbol is used for micro- (one millionth).
3) m s means two microseconds which is 2/1,000,000 of a second.
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).
BNO Speakers: 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).
Reverberation
The persistence of a sound after the source stops emitting it, caused by many discrete echoes arriving at the ear so closely spaced in time that the ear cannot separate them.
Tuesday, August 13, 2019
BNO Acoustics TR-12: Bi-Amplification
1) A way of optimizing the efficiency of a speaker system by separately amplifying the High Frequency (HF) and Low Frequency (LF) portions of the sound signal and sending them down two pairs of cables to the speaker. Multipin Speakon connectors have been developed to do this.
2)The process of having of having low-frequency speakers and high-frequency speakers driven by separate amplifiers.
Sealed Case
The enclosure of a microphone diaphragm so that the back cannot receive sound pressure changes.
BNO Acoustics GK-3: XY Micing
A method of placing two cardioid microphones for stereo pickup, with the two microphone heads as close as possible without touching, pointing 90 degrees to each other and also pointing 45 degrees to the center of the sound source.
BNO Speakers: Folded Horn
A speaker design where the speaker points back into the cabinet and bounces around finally coming out large ports in the front. It is intended to maximize low frequencies in a relatively small cabinet.
Isolation
A containing of the sound wave in a certain area so that it will not leak into other areas and/or unintended mics.
Stereo Image
The perception of the different sound sources being far left, far right or any place in between.
Splicing Block
A device that holds tape to cut it to make splices.
2)The process of having of having low-frequency speakers and high-frequency speakers driven by separate amplifiers.
Sealed Case
The enclosure of a microphone diaphragm so that the back cannot receive sound pressure changes.
BNO Acoustics GK-3: XY Micing
A method of placing two cardioid microphones for stereo pickup, with the two microphone heads as close as possible without touching, pointing 90 degrees to each other and also pointing 45 degrees to the center of the sound source.
BNO Speakers: Folded Horn
A speaker design where the speaker points back into the cabinet and bounces around finally coming out large ports in the front. It is intended to maximize low frequencies in a relatively small cabinet.
Isolation
A containing of the sound wave in a certain area so that it will not leak into other areas and/or unintended mics.
Stereo Image
The perception of the different sound sources being far left, far right or any place in between.
Splicing Block
A device that holds tape to cut it to make splices.
BNO Acoustics GK-3: Phase Lock
BNO Acoustics GK-3: Phase Lock
1) In the control of tape machines, a method of keeping machines synced together by sensing phase differences in the playback of pilot tunes by the two machines and adjustment of speed to eliminate the phase difference.
2) In synthesizers, the control of one tone generator so that it begins its waveform in phase with the signal from another tone generator.
Post Production
Production done after a film or video is shot including the recording of replacement dialogue, adding sound effects and the mixing of dialogue, effects and music for the production.
Tuned Cavity
A cavity that, because of its physical dimensions, will resonate at a particular frequency (tend to reinforce the energy at certain frequencies of vibration).
BNO Acoustics BP-40: Reverberation Time
The amount of time it takes for reverberation to die down.
BNO Acoustics TR-12: RMS detecting
A control circuit that recognizes and responds to the effective average, the RMS level (see preceding entry) rather than to the peak level.
BNO Speakers: BPM
An abbreviation of Beat Per Minute (the number of steady even pulses in music occurring in one minute and therefore defining the tempo).
BNO Acoustics SQ-9: Telephone Jack
The full and more formal name for the term Phone Jack (a jack taking a plug with a diameter of 1/4 inch and a length of 1 1/4 inches; used for interconnecting audio).
1) In the control of tape machines, a method of keeping machines synced together by sensing phase differences in the playback of pilot tunes by the two machines and adjustment of speed to eliminate the phase difference.
2) In synthesizers, the control of one tone generator so that it begins its waveform in phase with the signal from another tone generator.
Post Production
Production done after a film or video is shot including the recording of replacement dialogue, adding sound effects and the mixing of dialogue, effects and music for the production.
Tuned Cavity
A cavity that, because of its physical dimensions, will resonate at a particular frequency (tend to reinforce the energy at certain frequencies of vibration).
BNO Acoustics BP-40: Reverberation Time
The amount of time it takes for reverberation to die down.
BNO Acoustics TR-12: RMS detecting
A control circuit that recognizes and responds to the effective average, the RMS level (see preceding entry) rather than to the peak level.
BNO Speakers: BPM
An abbreviation of Beat Per Minute (the number of steady even pulses in music occurring in one minute and therefore defining the tempo).
BNO Acoustics SQ-9: Telephone Jack
The full and more formal name for the term Phone Jack (a jack taking a plug with a diameter of 1/4 inch and a length of 1 1/4 inches; used for interconnecting audio).
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