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Basics of DSP
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Objective

 

To study quantization and aliasing effects.

To synthesize vowels /a/, /i/ and /e/

 

Sequence of steps

 

  • Record a short utterance of speech for 2 to 3 sec (8 kHz, 16 bits).
     
  • Listen to speech at different bit rates (16 bits/sample, 8 bits/sample and 1 bit/sample).
     
  • Listen to speech at different sampling rates (8 kHz, 4 kHz and 2 kHz).
     
  • Synthesize vowels /i/, /e/ and /a/ for the actual pitch period, half thepitch period and twice the pitch period.
     
  • Write a brief note on the observations.

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