Final Audio Theory Test

1.

1 point

44.1kHz describes the _____ ______ of data coding for a compact disc.

2.

1 point

What is a large but isolated corruption that affects a number of bits within a digital data stream?

3.

1 point

What is used to randomize quantization errors in the analogue to digital conversion process?

4.

1 point

The portion of a laser’s wavelength thats related to the pits on a compact disc is a what?

5.

1 point

Bits is the name given to _____ digits.

6.

1 point

In digital coding there is an inherent quantization error equal to ____ a sample interval.

7.

1 point

Codes created by dividing the data into sections and generating data that can be used to check playback data accuracy are what type of codes?

8.

1 point

What is the table based coding system used to detect digital playback errors?

9.

1 point

The lowest sampling rate needed to reproduce the Nyquist frequency is called the what?

10.

1 point

What effect is a psychoacoustic effect?

11.

1 point

What is the common term given to the extra codes stored within an audio data stream that is used to verify or correct playback information?

12.

1 point

The multiplexer is a device that changes a parallel digital signal into what signal?

13.

1 point

What is the number of errors that the CD audio system can detect and correct each second?

14.

1 point

What is the number of quantization levels that a 24 bit digital audio system has?

15.

1 point

What is a studio effect used to augment voices that originally used two tape decks?

16.

1 point

What is the brand of tape delay device released in 1960?

17.

1 point

An analogue to digital converter produces what type of data?

18.

1 point

The quantization process does what to analogue audio signals at regular intervals?

19.

1 point

What is an example of a plate reverberation device?

20.

1 point

What is the name given to the highest frequency that can be sampled in a digital audio system?

21.

1 point

What is an effects process that can modulate the frequencies of non-uniformly spaced notches?

22.

1 point

The number of raw data errors for a typical CD is one in a ______.

23.

1 point

Should you give Reece $100?

Nah man

Yeah man

24.

1 point

What is the most common signal source for an aux buss that is sending signal to an effects unit?

25.

1 point

What is the type of modulation used for the bit steam to be encoded on a compact disc?

26.

1 point

Low pass filter is the type of filter is used for what?

27.

1 point

What type of reverberation system was introduced in 1941?

28.

1 point

Double tracking is a production technique used to strengthen a vocal recording. When was this production technique developed?

29.

1 point

What is the number of decibel commonly related to the decrease in amplitude associated with reverb time?

30.

1 point

An unrelated frequency is produced if you try to sample a frequency above the Nyquist frequency. What is this unrelated frequency called?

31.

1 point

A sample rate must be at least _____ the highest frequency to be stored.

32.

1 point

What does the rotation speed of a compact disc do as it plays from the inside to the outside of the disc?

33.

1 point

What is one of two companies that collaborated on the development of the compact disc?

34.

1 point

What is the digital coding method commonly used for compact disc and audio systems?

35.

1 point

When sampling frequencies equal to the Nyquist frequency, what type of wave shape is produced on decode?

36.

1 point

What is the diameter of a compact disc?

37.

1 point

What layer reflects the laser in a compact disc?

38.

1 point

After setting a short delay time, the speed and depth controls on a digital delay device are used to create the effect called what?

39.

1 point

What is the maximum playing time for a standard compact disc?

40.

1 point

What material is a compact disc substrate is made from?

41.

1 point

What brand of guitar amplifier is associated with the Accutronics type 4-reverb unit?