Audio Engineering: Unit 4

The ____ is the brain of the computer. It runs computer programs.

• Hard drive

• FireWire

• RAM

• CPU

Which of the following can you use to attach external hardware devices to a computer?

• The RAM

• Dual monitors

• USB ports

• The CPU

Which of the following things is true about Audacity?

• It can sync audio and video

• It can be used with controllers

• It can synthesize instruments and interact with other audio production software and hardware

• It can record, edit, add effects, and export audio

Which type of software license limits your ability to share or make changes to the software?

• Open source software licenses

• Proprietary software licenses

• Free software licenses

• GNU General Public Licenses

What are MIDI signals?

• Commands that tell a device to play a certain sound

• Digital sounds that have been saved on a digital audio workstation (DAW)

• Analog sounds that were recorded using a professional analog tape recorder

• Hand signals used by an audio engineer to communicate with musicians in a studio

The digital signals sent between MIDI devices called _____.

• Jacks

• Accelerator cards

• Channel voice messages

• Playback communications

___ is the speed at which an audio piece is play, measured in beats per minute

• Pitch

• Tempo

• Amplitude

• Velocity

Which of the following is a good reason to use lossless audio compression?

• You want to make an audio file as small as possible in order to e-mail it to a friend

• You want to play the audio file on an MP3 player

• You want to store an audio file in an archive and restore it to its original size later

• You want to stream the audio file over the Internet and don't mid if it loses a bit of quality

What happens to an audio file it it's too lossy?

• The audio file will be too large

• The audio file will be an MP3

• The audio file will be too small

• The audio file won't sound good

• The audio file will be too high-pitched

____ is information about an audio file that is stored in the audio file itself

• Codec

• The bit rate

• Metadata

• Pulse-code modulation