DSP Audio processing Seatwork

__________ is a measure of sound wave intensity

• Loudness

• Pitch

• Timbre

• Note

It is the frequency of the fundamental component in the sound

• Loud

• Pitch

• Timbre

• Note

It is being determined by the harmonic content of the signal

• Loud

• Pitch

• Timbre

• Note

True or False. It is often said that timbre is determined by the shape of the waveform.

• True

• False

•Telecommunication systems typically operate with a sampling rate of about___ kHz

• 8

• 12

• 16

• 14

EFM stands for?

• Eight to fourteen Modulation

• Eight to Fifteen Modulation

• Eleven to Fifteen Modulation

• Eleven to Fourteen Modulation

A _____ is used during playback to recreate the four channels of sound

• Dolby decoder

• Dolby endecoder

• Dolby Sterio

• Dolby mode

_____ is a common technique for reducing the data rate of audio signals by making the quantization levels unequal. 

• Companding

• Compression

• Attenuation

• All of the choices

•The segment length is chosen as a tradeoff between frequency resolution (favored by longer segments) and ____ resolution (favored by shorter segments).

• time

• Amplitude

• Voltage

• none of the choices

_____ filtering can be used to separate frequencies that are mainly signal, from frequencies that are mainly noise

• Wiener

• Moving Average

• Deconvolution

• Linear