Term
|
Definition
| Sound that has been converted into binary code, a mathematical code. |
|
|
Term
|
Definition
| Sound in electrical form. |
|
|
Term
|
Definition
| Same as or like the original. |
|
|
Term
| What does a signal processor do? |
|
Definition
| It changes or modifies a signal. |
|
|
Term
|
Definition
| The path a signal takes from its source to its destination. |
|
|
Term
|
Definition
| Signal or volume level between minimum and maximum. |
|
|
Term
|
Definition
| The appearance of something added to the reproduced audio signal that wasn't in the original. |
|
|
Term
|
Definition
| Unwanted signal or noise. |
|
|
Term
| Explain the difference between a balanced line and an unbalanced line. |
|
Definition
A balanced line carries an audio signal with three wires, hot, cold, and ground.
An unbalanced line carries an audio signal with two wire, hot and cold. |
|
|
Term
| Headphones use two __________ lines with a ________ connector. |
|
Definition
| Headphones use two unbalanced lines with a(n) balanced connector. |
|
|
Term
| How many conductors is a TRS? |
|
Definition
|
|
Term
| What are S/PDIF connectors? |
|
Definition
| RCA/Phono Connectors (Red and White). |
|
|
Term
| Digital and analog are both _______? |
|
Definition
| Digital and analog are both electricity. |
|
|
Term
| List mic, line, and speaker from weakest to greatest. |
|
Definition
| Mic (unpowered), line (unpowered), and speaker (powered). |
|
|
Term
| Describe a speakon connector. |
|
Definition
| They're used for speakers only, locks in, idiot proof, carries speaker level. |
|
|
Term
|
Definition
| It transmits performance data, it uses only 3 of its 5 pins, 1 MHz power. |
|
|
Term
|
Definition
| Resistance on an electrical circuit. |
|
|
Term
| How many Ω does professional audio run at? |
|
Definition
|
|
Term
| Electric guitars run at how many Ω? |
|
Definition
|
|
Term
|
Definition
| It cuts a signal by X amount of dBs, used when a signal's peaking at the gain's lowest level to turn it back up. |
|
|
Term
| What is frequency ground hum? |
|
Definition
|
|
Term
| 1/4” unbalanced → DI →__________? |
|
Definition
| 1/4” unbalanced → DI →XLR (Balanced) |
|
|
Term
| Thru on a DI is like a send for an amp, parallel to XLR. |
|
Definition
|
|
Term
| List four things a DI box does. |
|
Definition
Sends parallel 1/4” unbalanced from thru.
Converts 8K - 10K Ω to 600 Ω.
Pad
Ground Lift (Frequency Ground Hum) |
|
|
Term
| List two things a transformer does that a DI box can't do. |
|
Definition
It converts an alternating current to a direct current.
It increases or decreases voltage. |
|
|
Term
|
Definition
| A transformer (power block thing on a charger or cable). |
|
|
Term
| Analog line is how many Ω? |
|
Definition
| Analog line is 4K - 6K Ω. |
|
|
Term
| Describe AES/EBU digital cord thing. |
|
Definition
| It looks like an XLR but says digital on it, sends two channels of digital audio, 110 Ω. |
|
|
Term
| List the two characters in digital audio. |
|
Definition
|
|
Term
| Digital audio is sent in what kind of wave? |
|
Definition
|
|
Term
| Is RCA consumer or professional? |
|
Definition
| RCA is consumer, it runs at -10 DBV, B&C (video). |
|
|
Term
0 on the VU meter is #V?
Is it professional or consumer? |
|
Definition
|
|
Term
| S/PDIF runs at how many Ω? |
|
Definition
|
|
Term
|
Definition
| It's hollow, shoots a laser, two channels of digital audio. |
|
|
Term
|
Definition
| Screw in, vintage, has hot, cold, and ground (three separate wires). |
|
|
Term
| What is TT? Balanced or unbalanced? How many Ω? |
|
Definition
| Tiny Telephone. Balanced. 600 Ω. |
|
|
Term
Digital - 110 Ω
Analog - 600 Ω |
|
Definition
|
|
Term
|
Definition
| A variable resistor that controls the flow of electricity from minimum to maximum. |
|
|
Term
| List the three systems. What do they do? |
|
Definition
Input - Mic→Line, Line→Line (adjusted).
Output - Buss (Signal combiner and transporter).
Monitor - Controls the output of the headphones and speaker, independent from the output system. |
|
|
Term
|
Definition
| Panoramic potentiometer, it controls the flow of electricity or signal between the left and right buss outputs. |
|
|
Term
| What does a transducer do? |
|
Definition
| It changes one form of energy into another. |
|
|
Term
|
Definition
| Vibrations, the displacement of air molecules. |
|
|
Term
| What does the console transduce? |
|
Definition
|
|
Term
| Microphones and speakers are double transducers. |
|
Definition
|
|
Term
| What are the three main types of microphones? |
|
Definition
| Moving coil, ribbon, and condenser. |
|
|
Term
| What is a moving coil mic? |
|
Definition
| A dynamic and ribbon mic. It uses a magnet to create electricity. |
|
|
Term
|
Definition
| The time relationship between two or more sound waves or signals at a given point in their cycle. |
|
|
Term
|
Definition
A sound’s individual unique tonal characteristic.
Fundamentals - The lowest pitch.
Harmonics - Exact multiples.
Overtones (Colortones) - Odd numbered, non-exact multiples. |
|
|
Term
The higher the frequency, the higher the _______ and _______ the sound wave.
The lower the frequency, the lower the _______ and _______ the sound wave. |
|
Definition
The higher the frequency, the higher the pitch and shorter the sound wave.
The lower the frequency, the lower the pitch and longer the sound wave. |
|
|
Term
| Describe the Fletcher-Munson Equal Loudness Principal. |
|
Definition
| Humans hear mid range frequencies louder than low and hi frequencies. |
|
|
Term
|
Definition
| Sound that travels directly from its source to its listener's ear without reflection or obstruction. |
|
|
Term
| What are early reflections? |
|
Definition
| Sound waves that bounce off the primary boundaries of a room (walls, floor, and ceiling). |
|
|
Term
|
Definition
| The noticeable repeat of direct sound. |
|
|
Term
|
Definition
| Random, blended, multiple echoes. |
|
|
Term
|
Definition
| Sound waves crashing into each other due to parallel surfaces. |
|
|
Term
|
Definition
| RCA/Phono Plugs which are 4K - 6K Ω. |
|
|
Term
| Is -10 DBV consumer or professional? |
|
Definition
|
|
Term
| What are the three types of balanced TRS cables? |
|
Definition
|
|
Term
| Is a guitar cable balanced or unbalanced? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| What is found near a preamp? |
|
Definition
| Gain, Phase Reverse, 48V, Pad, Hi Pass. |
|
|
Term
| List four speaker connectors. |
|
Definition
Speakon
Banana plug
1/4" unbalanced.
Spade Lug |
|
|
Term
| Transformers have what kind of rod with what type of material wrapped around it? |
|
Definition
| Transformers have iron rods with iron wire wrapped around it. |
|
|
Term
| Speakers usually run at how many Ω? |
|
Definition
|
|
Term
|
Definition
| An access point, in/out, for a channel or a buss. |
|
|
Term
|
Definition
| A place where signal is recorded and stored. |
|
|
Term
| What does attenuate mean? |
|
Definition
|
|
Term
|
Definition
| A strip on a board that signal goes through. |
|
|
Term
| List four things associated with spatial localization/binaural hearing. |
|
Definition
One ear picks up a sound before than the other ear.
Sound is louder in the ear facing the sound source than the other ear.
Pinnae - The ridges in one's ears that allow him/her to hear above and below his/herself.
Acoustic Shadow - Sound is crisper in the ear facing the sound source but duller the other ear facing away from the sound source. |
|
|
Term
| What is the speed of electricity? |
|
Definition
|
|
