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WorksheetsDSP Audio processing Seatwork
Total questions: 10
Worksheet time: 7mins
__________ 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
