Audio Noise Removal with Audacity

What is the purpose of using Audacity in the context of this tutorial?

• To convert audio files to different formats

• To add background music to a recording

• To increase the volume of a recording

• To remove white noise from an audio recording

What color indicates the presence of white noise in the spectrogram?

• Red

• Green

• Purple hazy

• Light blue

What is the first step in the noise removal process using Audacity?

• Get a noise profile

• Apply frequency smoothing

• Adjust the attack decay time

• Select the entire track

Which setting is adjusted to 30 decibels for effective noise reduction?

• Attack decay time

• Noise reduction

• Sensitivity

• Frequency smoothing

What is the effect of setting the attack decay time to zero?

• It enhances the bass frequencies

• It adds an echo effect

• It minimizes distortion during noise removal

• It increases the volume of the audio