Exam Details
| Subject | speech signal processing | |
| Paper | ||
| Exam / Course | b.tech | |
| Department | ||
| Organization | Vardhaman College Of Engineering | |
| Position | ||
| Exam Date | May, 2018 | |
| City, State | telangana, hyderabad |
Question Paper
Hall Ticket No:
Question Paper Code: A1448
(AUTONOMOUS)B. Tech VIII Semester Supplementary Examinations, May 2018
(Regulations: VCE-R11/R11A)SPEECH SIGNAL PROCESSING
(Electronics and Communication Engineering)Date: 09 May, 2018 FN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Unit I
1.
a)Explain the anatomy and physiology of the different organ groups that contribute for speech production.
8M
b)Explain narrowband spectrogram and wideband spectrogram for analysis of speech.
7M
2.
a)Classify speech sounds based on nature of the source and shape of the vocal tract. Discuss them in detail.
8M
b)With relevant mathematical expressions, discuss wave equation.
7M
Unit II
3.
a)Explain the properties of autocorrelation method motivated by Levinson recursion.
8M
b)Explain computation of gain in autocorrelation method.
7M
4.
a)Discuss the relation of linear prediction to the lossless tube model.
8M
b)Explain the following with respect to LEVINSON Recursion:
i. PARCOR coefficients
ii. Autocorrelation matching
7M
Unit III
5.
a)With an example explain the behavior of linear prediction analysis in the time domain.
10M
b)Discuss the role of frame interval and voiced/unvoiced state and Pitch estimation in the design of the analyzer and synthesizer.
5M
6.
a)Explain the Linearization process in pole-zero Estimation.
7M
b)Explain the behavior of linear prediction analysis in the frequency domain.
8M
Unit IV
7.
a)What is the basic principle of homomorphic systems? Explain with relevant mathematical expressions and diagrams.
7M
b)With neat diagram explain homomorphic system for convolution.
8M
8.
a)Discuss the complex cepstrum of sequence with rational z-transform.
7M
b)Explain the interpretation of homomorphic filtering as a linear smoothing.
8M
Unit V
9.
a)Explain the complex cepstrum of voiced speech and unvoiced speech.
10M
b)Explain waveform periodicity.
5M
10.
a)Explain complex spectrum of voiced speech.
6M
b)With a neat diagram, explain the general framework of homomorphic analysis and synthesis.
9M
Question Paper Code: A1448
(AUTONOMOUS)B. Tech VIII Semester Supplementary Examinations, May 2018
(Regulations: VCE-R11/R11A)SPEECH SIGNAL PROCESSING
(Electronics and Communication Engineering)Date: 09 May, 2018 FN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Unit I
1.
a)Explain the anatomy and physiology of the different organ groups that contribute for speech production.
8M
b)Explain narrowband spectrogram and wideband spectrogram for analysis of speech.
7M
2.
a)Classify speech sounds based on nature of the source and shape of the vocal tract. Discuss them in detail.
8M
b)With relevant mathematical expressions, discuss wave equation.
7M
Unit II
3.
a)Explain the properties of autocorrelation method motivated by Levinson recursion.
8M
b)Explain computation of gain in autocorrelation method.
7M
4.
a)Discuss the relation of linear prediction to the lossless tube model.
8M
b)Explain the following with respect to LEVINSON Recursion:
i. PARCOR coefficients
ii. Autocorrelation matching
7M
Unit III
5.
a)With an example explain the behavior of linear prediction analysis in the time domain.
10M
b)Discuss the role of frame interval and voiced/unvoiced state and Pitch estimation in the design of the analyzer and synthesizer.
5M
6.
a)Explain the Linearization process in pole-zero Estimation.
7M
b)Explain the behavior of linear prediction analysis in the frequency domain.
8M
Unit IV
7.
a)What is the basic principle of homomorphic systems? Explain with relevant mathematical expressions and diagrams.
7M
b)With neat diagram explain homomorphic system for convolution.
8M
8.
a)Discuss the complex cepstrum of sequence with rational z-transform.
7M
b)Explain the interpretation of homomorphic filtering as a linear smoothing.
8M
Unit V
9.
a)Explain the complex cepstrum of voiced speech and unvoiced speech.
10M
b)Explain waveform periodicity.
5M
10.
a)Explain complex spectrum of voiced speech.
6M
b)With a neat diagram, explain the general framework of homomorphic analysis and synthesis.
9M
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