1. Why direct scalar quantization of LPC is usually not used. 2. What is spectral distortion and requirements for transparent quantization? 3. What is line spectral frequency (LSF) and its advantages. What is the procedure to convert LPC to line spectral frequency? 4. What is spectral sensitivity function and its relation with reflection coefficients. 5. Explain the quantization based on reflection coefficients and log area ratio? 6. What is ‘root finding technique’ to find line spectral frequency? 7. Why line spectral frequency (LSF) is used in place of LPC. 8. Explain quantization based on LSF in FS1016 CELP? 9. What is the procedure for allocating bits to quantize different parameters in scalar quantization? 10. What is line spectral frequency and its symmetric and anti-symmetric properties? 11. What are the parameters that required for linear predictive coding (LPC) model? 12. Explain working of encoder and decoder in LPC model? 13. What is the principle of analysis by synthesis and perceptual weighting used in CELP speech model? 14. Explain encoding operation of CELP speech production model? 15. What are the parameters used by voicing detector to decide the nature (voiced or unvoiced) of speech frame in LPC speech model. 16. What are the limitations of LPC speech production model? 17. Explain how error calculation and optimal scaling is performed in excitation codebook search in CELP speech production model? 18. What are the limitation of LPC speech models and how these limitations are removed by CELP speech production model? 19. Explain the principle of analysis of synthesis used in CELP speech production model?
speech model? 14. Explain encoding operation of CELP speech production model? 15. What are the ... Page 1 of 1. sample questions from lecture 18-24.pdf.
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A call center agent has a list of 305 phone numbers of people in alphabetic order of names (but she does not have any of the names). She needs to quickly ...
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Circle with a radius of 6 inches. 8. 9. Square with a diagonal of 5. â¬. 6 . 9. 10. White area inside the triangle. 10. 11. Shaded area inside the circle. 11. 12. Volume ...
Page 2 of 4. Name Date. page 1 of 2. TSI Assessment. Geometry and Measurement Sample Questions. Answer the following without the use of a calculator. 1.
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