Q.1
Frequency domain coders divides the speech signal into __________
  • a) A set of frequency components
  • b) A set of different amplitudes
  • c) A set of time delays
  • d) A set of phase components
Q.2
In frequency domain coding of speech, the number of bits used to encode each frequency component is constant.
  • a) True
  • b) False
Q.3
Quantization is a ________ process.
  • a) Linear
  • b) Direct
  • c) Non-linear
  • d) Indirect
Q.4
Sub band coding codes the short time transform of a windowed signal.
  • a) True
  • b) False
Q.5
Which of the following is one of the most frequently used transform in speech coding?
  • a) Fourier transform
  • b) Wavelet transform
  • c) Shearlet transform
  • d) Discrete cosine transform
Q.6
What does ATC stands for in speech coders?
  • a) Automatic transform code
  • b) Air traffic controller
  • c) Active thermal convection
  • d) Adaptive transform coding
Q.7
Waveform coders and Vocoders are the types of ____________
  • a) Speech coders
  • b) Modulation technique
  • c) Frequency translation methods
  • d) Channel allocation for transmission
Q.8
The type of frequency domain coding that divides the speech signal into sub bands is _____
  • a) Waveform coding
  • b) Vocoders
  • c) Block transform coding
  • d) Sub-band coding
Q.9
Speech coders are categorized on the basis of __________
  • a) Signal compression techniques
  • b) Frequency of signal
  • c) Bandwidth of the signal
  • d) Phase of the signal
Q.10
The speech coding technique that is dependent on the prior knowledge of the signal is __________
  • a) Waveform coders
  • b) Vocoders
  • c) Sub band coding
  • d) Block transform
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