Practice Questions: DAW Editing Unit 1

What does digital audio store sound as?

• A series of numbers or binary data, 0 and 1

• Magnetic tape signals

• Analog waveforms

• Physical grooves on a disc

What does the sample rate determine in digital audio?

• How many times per second the sound is sampled, frequency

• The loudness of the audio

• The length of the audio file

• The type of instrument used

What does bit depth affect in a digital recording?

• The dynamic range (volume resolution)

• The tempo of the music

• The pitch of the sound

• The file format

What does bit rate describe in an audio file?

• How much data is used per second of audio, sample rate x bit depth

• The number of tracks in a song

• The speed of the internet connection

• The duration of the audio file

What is the main purpose of compressing an audio file?

• To reduce its file size

• To increase its volume

• To add more effects

• To change its pitch

Is an MP3 a compressed or uncompressed audio format?

• Compressed

• Uncompressed

• Analog

• Lossless

Which of the following is a compressed audio file type?

• .wav

• .aif

• .flac

• .mp3

Are .wav and .aif files typically compressed or uncompressed?

• Compressed

• Uncompressed

• Both compressed and uncompressed

• Neither

What is one key difference between analogue and digital audio?

• Analogue uses binary code, digital uses electrical signals

• Analogue is a continuous electrical signal, digital is made of discrete samples

• Analogue is always louder than digital

• Digital is always higher quality than analogue

Which of the following is not a basic waveform?

• Sine

• Square

• Round

• Triangle