PTU M.Tech Paper 2012 Digital Speech and Image Processing

PTU M.Tech Paper 2012 Digital Speech and Image Processing Punjab Technical University Exam 2012 Digital Speech and Image Processing Test September and March Question Paper Free Download Punjab Technical University Digital Speech and Image Processing Question Papers 2012 PTU M.Tech Question Paper 2012 for all students Previous Year old Past Papers of PTU M.Tech Paper 2012 Digital Speech and Image Processing Punjab Technical University September 2012 and March 2012 Exam M.Tech Sample Model Question Papers Free Download PDF

Digital Speech and Image Processing

 (a) Explain the Applications of FIR filters in speech processing.
(b) Give the comparison of performance of hR and FIR filters in speech and image processing.
(a) Explain the Acoustic theory of speech production in detail.
(b) What are the effects of losses in the vocal tract and effects of radiation at the lips?
(a) What are the various practical considerations for the design of digital filter banks for speech processing?
(b) Explain the working of isolated digit recognition system.
(a) What do you mean by pitch detection. Explain the pitch synchronous spectrum analysis.
(b) Give the detail of various methods of speech recognition.
(a) Show that the Fourier transform of an autocorrelation function f(x) is equal to power spectral density.
(b) Prove that the magnitude of determinant of a unitary transform is unity. Also show that all the eigenvalues of a unitary matrix have unity magnitude.
Show that Fourier transform of:
feien (x) = Re { F[f(x)] }
(b) Show that the N x N cosine matrix C is orthogonal. Verify your proof for the case N = 4.

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