Intro to Audio Review

A track is a single layer of _____

• clipping

• looping

• fades

• audio

What are the two basic characteristics of sound?

• Loudness and Frequency

• Pitch and Tone

• Volume and Speed

• Amplitude and Duration

What unit is used to measure the loudness of sound?

• Hertz (Hz)

• Decibels (dB)

• Watts (W)

• Lumens (lm)

According to the information, at what decibel level can serious damage occur to the ear?

• 30 dB

• 85 dB

• 100 dB

• 135 dB

What is the basic pitch of sound called, and in what unit is it measured?

• Amplitude, measured in decibels (dB)

• Frequency, measured in hertz (Hz)

• Timbre, measured in watts (W)

• Duration, measured in seconds (s)

Which of the following is NOT one of the three groups that sound frequencies are generally divided into?

• Low-frequency sounds

• Mid-range sounds

• High-frequency sounds

• Ultra-frequency sounds

Which of the following instruments is considered a low-frequency instrument?

• Trumpet

• Flute

• Bass guitar

• Clarinet

Explain why the human speaking voice is classified as a mid-range sound, based on the frequency ranges provided.

• Because it is louder than most instruments

• Because it falls within the 200 Hz-800 Hz range

• Because it is higher than a flute

• Because it is lower than a tuba

What is one benefit of using an external portable audio recorder?

• It gives you a noticeable difference in sound quality.

• It makes the recording process faster.

• It reduces the size of the audio files.

• It automatically edits the audio.

Explain why uncompressed audio files are preferred for preserving sound detail over compressed files. (DoK Level 2)

• Uncompressed audio files preserve more detail because they do not lose information during compression, unlike compressed files which remove some audio data to reduce file size.

• Uncompressed audio files are smaller in size.

• Compressed files are always higher quality.

• Uncompressed files are easier to share online.