PRO TOOLS 101 ACTUAL EXAM PAPER
COMPLETE SOLUTIONS VERIFIED
⩥ Audio. Answer: Sound, especially when recorded, transmitted or
reproduced
⩥ MIDI. Answer: Musical Instrument Digital Interface
⩥ Mixing. Answer: The process of blending all the individual tracks in a
recording to create a version of the song that sounds as good as possible
⩥ Post Production. Answer: Work done on a recording after a recording
has taken place
⩥ TDM. Answer: Time Division Multiplexing - routes multiple streams
of digital audio data between system components
⩥ Host-based audio processing. Answer: Processing done on the
computer's CPU without the need for additional DSP cards. Computer's
processing ability.
⩥ D-Control Work Surface. Answer: Up to 80 faders
,⩥ D-Command Work Surface. Answer: Up to 40 faders
⩥ Sound. Answer: A variation in the air pressure around us. The result of
changes caused by vibrations that create disturbances in the air or water
around the source.
⩥ Waveform. Answer: The "shape" of the sound or the shape of the
vibration that produced the sound
⩥ Range of human hearing. Answer: 20Hz to 20,000Hz
⩥ Frequency. Answer: How often the sound pressure variates. Measured
in Hertz or CPS (cycles per second). Creates our perception of pitch.
Measurement of the regularly repeating sine wave. Measured from peak
to peak. The number of times a sound wave repeats itself in one second,
moving from the midpoint of the waveform where the sound begins
through the crest of the wave, where the pressure is greatest, through the
midpoint again, to the trough of the wave, where the pressure is the
lightest, and back to the midpoint.
⩥ Amplitude. Answer: Intensity of the sound pressure variations.
Creates our perception of the loudness of the sound. Measured in
decibels (dB). The measurement of how far vibration of molecules of air
travels; the distance traveled from the mid point. measured on the
vertical plane of the sine wave. Translated as volume or loudness.
, ⩥ Decibel. Answer: A logarithmic unit that is used to describe a ratio of
sound pressure. Measure for amplitude. One-tenth of a Bel. (Alexander
Graham Bell measurement)
⩥ Threshold of hearing. Answer: 0dB
⩥ Threshold of pain. Answer: 120dB
⩥ Analog Audio. Answer: The continuous electric signal produced by a
microphone is an alternating current with a waveform, frequency and
amplitude that directly corresponds to or is analogous to the original
acoustic information.
⩥ Analog-to-digital conversion (A/D Conversion). Answer: The process
of translating electrical signals to binary data.
Two essential factors: sample rate and bit depth
⩥ Sampling. Answer: The process of taking discrete measurements of an
electrical signal at various moments in time.
⩥ The Nyquist Theorem. Answer: In order to produce an accurate
representation of a given frequency of sound, each cycle of the sound's
vibration must be sampled a minimum of two times. Sampling rate of at
least 40kHz is required to capture full-frequency audio.
COMPLETE SOLUTIONS VERIFIED
⩥ Audio. Answer: Sound, especially when recorded, transmitted or
reproduced
⩥ MIDI. Answer: Musical Instrument Digital Interface
⩥ Mixing. Answer: The process of blending all the individual tracks in a
recording to create a version of the song that sounds as good as possible
⩥ Post Production. Answer: Work done on a recording after a recording
has taken place
⩥ TDM. Answer: Time Division Multiplexing - routes multiple streams
of digital audio data between system components
⩥ Host-based audio processing. Answer: Processing done on the
computer's CPU without the need for additional DSP cards. Computer's
processing ability.
⩥ D-Control Work Surface. Answer: Up to 80 faders
,⩥ D-Command Work Surface. Answer: Up to 40 faders
⩥ Sound. Answer: A variation in the air pressure around us. The result of
changes caused by vibrations that create disturbances in the air or water
around the source.
⩥ Waveform. Answer: The "shape" of the sound or the shape of the
vibration that produced the sound
⩥ Range of human hearing. Answer: 20Hz to 20,000Hz
⩥ Frequency. Answer: How often the sound pressure variates. Measured
in Hertz or CPS (cycles per second). Creates our perception of pitch.
Measurement of the regularly repeating sine wave. Measured from peak
to peak. The number of times a sound wave repeats itself in one second,
moving from the midpoint of the waveform where the sound begins
through the crest of the wave, where the pressure is greatest, through the
midpoint again, to the trough of the wave, where the pressure is the
lightest, and back to the midpoint.
⩥ Amplitude. Answer: Intensity of the sound pressure variations.
Creates our perception of the loudness of the sound. Measured in
decibels (dB). The measurement of how far vibration of molecules of air
travels; the distance traveled from the mid point. measured on the
vertical plane of the sine wave. Translated as volume or loudness.
, ⩥ Decibel. Answer: A logarithmic unit that is used to describe a ratio of
sound pressure. Measure for amplitude. One-tenth of a Bel. (Alexander
Graham Bell measurement)
⩥ Threshold of hearing. Answer: 0dB
⩥ Threshold of pain. Answer: 120dB
⩥ Analog Audio. Answer: The continuous electric signal produced by a
microphone is an alternating current with a waveform, frequency and
amplitude that directly corresponds to or is analogous to the original
acoustic information.
⩥ Analog-to-digital conversion (A/D Conversion). Answer: The process
of translating electrical signals to binary data.
Two essential factors: sample rate and bit depth
⩥ Sampling. Answer: The process of taking discrete measurements of an
electrical signal at various moments in time.
⩥ The Nyquist Theorem. Answer: In order to produce an accurate
representation of a given frequency of sound, each cycle of the sound's
vibration must be sampled a minimum of two times. Sampling rate of at
least 40kHz is required to capture full-frequency audio.
