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Practice questions and answers for pro tools 101 lesson 1. It covers fundamental concepts such as the five main functions of pro tools, audio and midi basics, sampling rate, bit depth, and hardware components. Useful for students learning about audio production and digital audio workstations.
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Five main functions of pro tools - ✔✔audio, midi, notation, mixing, post- production Avid's Peripheral Hardware companies - ✔✔Digidesign (pro) M-audio, aquired in 2004 (consumer) When we hear a sound, what do we actually perceive? - ✔✔variations of the air pressure When an object moves one cycle in a back and forth motion what has it created - ✔✔an auditory event
What do we call the rate of auditory events? - ✔✔Hertz or cycles per second (CPS) What is the range of human hearing in Hertz? - ✔✔ 20 - 20,000 Hertz How do we percieve changes in cycles per seconds? - ✔✔pitch Avid's Notation company - ✔✔Sibelius waveform - ✔✔the shape of the cycle of compression and rarefaction 1000 Hertz (abreviation) - ✔✔ 1 kilohertz (kHz) amplitude - ✔✔the intensity of the wave; the higher the anplitude the greater variation between the compression and the vacuum of rarefaction.
what must happen to microphone's signal before it can be used in a computer' - ✔✔it must go through an A to D conversion what does A to D conversion mean? - ✔✔analog to digital what does digital mean? - ✔✔something that can be represented with numerical digits what is the most common digital language? - ✔✔binary, 1/ sample - ✔✔a digital "snapshot" of sound sample rate - ✔✔the rate which a computer takes separate digital pictures of a sound wave
the Nyquist theorem - ✔✔in order to represent an accurate representation of a sound, the sample rate must be twice as fast as the fastest frequency represented. what is the minimum sampling rate for accurate sound representation? - ✔✔40k what is the Cd standard sampling rate? - ✔✔44.1k what does the bit depth affect? - ✔✔the sensitivity of sound's dynamic range (loudness) how much information is one bit? - ✔✔one single binary digit, either 1 or 0, (also called on or off) how many separate dynamics could be represented by a four bit word? - ✔✔2x2x2x2 = 16
What do the M-Audio DA converters look like? - ✔✔four mic inputs; four 1/4 inch what is the 11 rack? - ✔✔a digidesign guitar effects processor able to habdle 8 separate channels at a time what is the HD MADI - ✔✔a digidesign AD converter that can handle 64 channels at a time. what are the Avid plug-ins called? - ✔✔digi-rack what are the two categories of digi-rack included in Pro Tools? - ✔✔Pro-tools plugIns, creative collection plug-ins how are Pro-Tools files saved? - ✔✔.ptx
