Answered: Run the matlab software.  Create your…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Run the matlab software.
 Create your own M-file (name it: file5.m or any name).
 Select the sampling frequency Fs= 8000 samples/sec
 Select the Time for Audio signal 5 sec
 Select the frequency of analog signal f1 Hz
 Select the frequency of analog signal f2 Hz
 generate cosine wave of f1+f2 Hz &define a closely spaced time vector.
 Generate a suitable time scale
 Sample the analog signal at the instant specified by n.
 Filter the combined signal to get the lowest frequency signal
 Generate and plot the Audio signal in time domain and in frequency
domain before and after filtering .
 Compare the generated analog audio signals.

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