MODULE 15 COMPANDING Prepared by: Engr. Jo-Ann C. Viñas OBJECTIVES 1. Advantages and Disadvantages of Digital Communications 2. Review of Pulse Code Modulation (PCM) 3.…
ECE 246/446: Digital Signal Processing http://www.ece.rochester.edu/courses/ECE 446 Fall 2003 Introduction The aims of this lecture are: To To To…
Slide 1ANALOG TO DIGITAL CONVERSION Lecture 3,4 Syed M. Zafi S. Shah احسان احمد عرساڻي Slide 2 ANALOG TO DIGITAL CONVERSION SAMPLING SAMPLING THEOREM, ALIASING…
Slide 1 Slide 2 1 From: Er Manjit Singh Sr Lect ECE GPC,Bathinda 110/31/2012Punjab Edusat society Slide 3 2 INTRODUCTION Modulation is the process of frequency translation…
Slide 1 Slide 2 1 1 Slide 3 2 INTRODUCTION Modulation is the process of frequency translation in which any one parameter(Amplitude, frequency or phase) of high frequency…
1.Audio Compression2. Introduction Audio signal or analog signal uses PCM Digitization process whichinvolves SAMPLING. Sampling rate > or = to : 2(Highest frequency…
1. phase shift keying • The phase of the carrier is changed in response to information and all else is kept fixed. • To transmit 0, we shift the phase of the sinusoids…
INFORMATION THEORY Communication theory deals with systems for transmitting information from one point to another. Information theory was born with the discovery of the fundamental…