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Course OutlineIntroduction to Digital Signal Processing
ET317 : Digital Signal Processing
An Introduction
V. R. Gupta
Assistant Professor
Department of Electronics and Telecommuiction Engineering
Y. C. College of Engineering, Nagpur
December 12, 2013
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
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Course OutlineIntroduction to Digital Signal Processing
Outline
1 Course OutlinesyllabusCourse Objectives
Course OutcomesPrerequisitesCourse Assessment
2 Introduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
course outline
Course Code : ET317
Course Name : Digital Signal processing
Course Teacher : V. R. Gupta
Class Room : ET-203Office : DSP Lab
Office Hours : 9.00 am to 4.00 pm.
Phone : 09665381684
Email : [email protected]
Number of Lectures per Week : 03
Number of Tutorials per Week : 01
Lab. hours per week : 02
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Syllabus
Unit:1:Discrete time systems and Discrete Fourier transform:
Review of discrete time systems and their analysis
The Discrete Fourier Transform
Computation of DFT
Properties of DFT
Finding convolution of long data sequences
FFT algorithms: Decimation in time, Decimation inFrequency & radix-n algorithms.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Syllabus
Unit:2: Digital filter structures:
Block diagram representation.
Equivalent structures.
Basic FIR structures.
Basic IIR structures.
All pass filters.
IIR tapped cascaded lattice structures.
FIR cascaded lattice structures.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Syllabus
Unit:3: Architectures For Programmable DSP Devices :
Basic Architectural features, DSP Computational Building
Blocks, Bus Architecture and Memory, Data AddressingCapabilities, Address Generation Unit, Programmability andProgram Execution, Speed Issues, Features for Externalinterfacing.
Execution Control and Pipelining: Hardware looping,
Interrupts, Stacks, Relative Branch support, Pipelining andPerformance, Pipeline Depth, Interlocking, Branching effects,Interrupt effects, Pipeline Programming models.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabus
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Syllabus
Unit:4: Programmable Digital Signal Processors:
Commercial Digital signal-processing Devices
Data Addressing modes of TMS320C6XXX DSPsMemory space of TMS320C6XXX Processors
Program Control
TMS320C6XXX instructions and Programming
On-Chip PeripheralsInterrupts of TMS320C6XXX processors
Pipeline Operation of TMS320C6XXX Processors.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabus
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Syllabus
Unit:5: IIR Filter Design:
Bilinear transformation
Impulse invariant transformation
Lowpass IIR digital filter
Butterworth filter
Chebyshev filterSpectral transformations
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabus
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Syllabus
Unit:6: FIR Filter Design:
Filter design using windowing techniquesFrequency sampling technique
Lowpass IIR digital filter
Park Mc Clellen Method of FIR filter
Design Remez Exchange Algorithm
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabus
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Course OutlineIntroduction to Digital Signal Processing
syllabusCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Books
Text Books
Digital signal processing- A computer based approach By S.K. Mitra,2nd Edition,Tata McGraw Hill, 2002
Discrete time signal processingBy V. Oppenheim, R. W.
Schafer,2nd Edition,PHI, 2008
Reference Books
Digital signal processing Principles, algorithms and
applicationsBy J. G. Proakis, D. G. Manolakis,2ndEdition,PHI, 2002.
Digital Signal Processors, Architecture, Programming and
ApplicationsBy Venkataramani, Bhaskar,2nd Edition,TataMcGraw Hill, 2008.
Introduction to DSPby JohnyR Johnson, PHI, 2nd editionV. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabus
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Course OutlineIntroduction to Digital Signal Processing
yCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabus
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Course OutlineIntroduction to Digital Signal Processing
yCourse ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Course Objectives
To Develop the Decimation in time and frequency FFTalgorithms for efficient computation of the DFT.
Learn the Architectures of programmable DSP processors.
Implement real time applications on DSP processor.Implementing digital filters in a variety of structures: directform I and II, parallel, and cascade.
Design digital filters using transformation techniques fromanalog designs;
Design digital filters using windowing techniques;
Evaluate the performance of a digital filter, in terms of itsfrequency response;
Organize and make technical presentations.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabus
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Course OutlineIntroduction to Digital Signal Processing
Course ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Course Outcomes
After successfully completing this course, students will be
able to:
Use Fast Fourier Transform techniques for the analysis ofarbitrary signals;
Programme a DSP processor in assembly or C-language.Implement real time applications on DSP processor such asreal time filter.Apply DSP techniques to real-world signal acquisition,spectral analysis and signal filtering.
Design digital IIR filters by designing prototypical analog filtersand then applying analog to digital conversion techniques.Design digital FIR filters meeting given specifications;Evaluate the performance of a digital filter, in terms of itsfrequency response;
Organize and write technical reports;V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabusC Ob
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Course OutlineIntroduction to Digital Signal Processing
Course ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Prerequisites
To take this course, you should have knowledge and understandingof
1 ET305-Signals and systems;
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabusC Obj i
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Course OutlineIntroduction to Digital Signal Processing
Course ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Prerequisites
To take this course, you should have knowledge and understandingof
1 ET305-Signals and systems;
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabusCo se Objecti es
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Course OutlineIntroduction to Digital Signal Processing
Course ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Prerequisites
To take this course, you should have knowledge and understandingof
1 ET305-Signals and systems;
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabusCourse Objectives
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Course OutlineIntroduction to Digital Signal Processing
Course ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Course Assessment
1 Home Assignments:= 4%
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
syllabusCourse Objectives
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Course OutlineIntroduction to Digital Signal Processing
Course ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Course Assessment
1 Home Assignments:= 4%
2 Surprise Test:= 2%
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
C O li
syllabusCourse Objectives
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Course OutlineIntroduction to Digital Signal Processing
Course ObjectivesCourse OutcomesPrerequisitesCourse Assessment
Course Assessment
1 Home Assignments:= 4%
2 Surprise Test:= 2%
3 Quiz:= 2%
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
C O tli
syllabusCourse Objectives
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Course OutlineIntroduction to Digital Signal Processing
Cou se Object esCourse OutcomesPrerequisitesCourse Assessment
Course Assessment
1 Home Assignments:= 4%
2 Surprise Test:= 2%
3 Quiz:= 2%
4 Attendance:= 2%
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course Outline
syllabusCourse Objectives
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Course OutlineIntroduction to Digital Signal Processing
jCourse OutcomesPrerequisitesCourse Assessment
Course Assessment
1 Home Assignments:= 4%
2 Surprise Test:= 2%
3 Quiz:= 2%
4 Attendance:= 2%
5 Mid Sem. Exam-1:= 15%
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course Outline
syllabusCourse Objectives
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Course OutlineIntroduction to Digital Signal Processing
Course OutcomesPrerequisitesCourse Assessment
Course Assessment
1 Home Assignments:= 4%
2 Surprise Test:= 2%
3 Quiz:= 2%
4 Attendance:= 2%
5 Mid Sem. Exam-1:= 15%
6 Mid Sem. Exam-2:= 15%
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course Outline
syllabusCourse Objectives
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Course OutlineIntroduction to Digital Signal Processing
Course OutcomesPrerequisitesCourse Assessment
Course Assessment
1 Home Assignments:= 4%
2 Surprise Test:= 2%
3 Quiz:= 2%
4 Attendance:= 2%
5 Mid Sem. Exam-1:= 15%
6 Mid Sem. Exam-2:= 15%
7 End Sem. Exam:= 60%
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
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Course Outline
syllabusCourse ObjectivesC O t
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Introduction to Digital Signal ProcessingCourse OutcomesPrerequisitesCourse Assessment
Examination
Examination
There will be 2 scheduled exams and at least one Surprise Test asdetailed below. The schedule of these examinations is given in the
Academic Calendar for the session published by the Dean(Academic Matters)
1) Mid Sem. Exam-1: On the basis of Unit 1 & 2.
2) Mid Sem. Exam-1: On the basis of Unit 3 & 4.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course Outline
syllabusCourse ObjectivesCourse Outcomes
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Introduction to Digital Signal ProcessingCourse OutcomesPrerequisitesCourse Assessment
Examination
Examination
There will be 2 scheduled exams and at least one Surprise Test asdetailed below. The schedule of these examinations is given in the
Academic Calendar for the session published by the Dean(Academic Matters)
1) Mid Sem. Exam-1: On the basis of Unit 1 & 2.
2) Mid Sem. Exam-1: On the basis of Unit 3 & 4.
3) End Sem. Exam : On the basis of Unit 1 to 6
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course Outline
syllabusCourse ObjectivesCourse Outcomes
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Introduction to Digital Signal ProcessingCourse OutcomesPrerequisitesCourse Assessment
Examination
Examination
There will be 2 scheduled exams and at least one Surprise Test asdetailed below. The schedule of these examinations is given in the
Academic Calendar for the session published by the Dean(Academic Matters)
1) Mid Sem. Exam-1: On the basis of Unit 1 & 2.
2) Mid Sem. Exam-1: On the basis of Unit 3 & 4.
3) End Sem. Exam : On the basis of Unit 1 to 64) Surprise Test : On the topics taught till the day of
examinations.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineS
What is Signal?What is Signal Processing?
C f S
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Introduction to Digital Signal Processing Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
Introduction to Digital Signal Processing
What is Signal?
Any physical quantity that varies with time, space or any otherindependent variable is called as signal.
Example
speech signal, video signal
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineI d i Di i l Si l P i
What is Signal?What is Signal Processing?P d C f Di i l Si l P i
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Introduction to Digital Signal Processing Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
Introduction ..............
Types of Signal
Analog Signal : Continuous in time; Continuous inamplitude.
Discrete Signal : Discrete in time; Continuous in amplitude.
Digital Signal : Discrete in time; Discrete in amplitude.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineI t d ti t Di it l Si l P i
What is Signal?What is Signal Processing?P d C f Di it l Si l P i
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Introduction to Digital Signal Processing Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
Introduction..................
What is Signal Processing?
Signal processing is the analysis, interpretation, and manipulation
of signals like sound, images time-varying measurement values andsensor data etc.
Example
Removing noise from the music signal;
Amplification of a speech signal;
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal Processing
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Introduction to Digital Signal Processing Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
Introduction..................
Need of Signal Processing
When a signal is transmitted from one point to another there isevery possibility of contamination /deformation of the signal byexternal noise. So to retrieve the original signal at the receiversuitable filters are to be used. i.e the signal is processed to obtainthe pure signal.
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Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal Processing
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Introduction to Digital Signal Processing Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
Advantages of Digital Signal Processing
Less sensitive to component tolerances & environmentalchanges.
Volume production without the need for adjustment duringconstruction or use.
Amenable to full integration
Accuracy increases with the increase in word size (but cost )
Dynamic rangeTime multiplexing
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal Processing
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Introduction to Digital Signal Processing Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
Advantages of Digital Signal Processing
Storage of digital signal
FlexibilityMultirate processing
Easy adjustment of processor characteristics by changing thecoefficients. E.g. adaptive filter, variable cutoff filter
No loading problem due to cascading
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal Processing
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g g g g g gApplications of Digital Signal Processing
Disadvantages of Digital Signal Processing
Sampling causes loss of information
Limited speed of processorsQuantization and round-off errors
Increased complexity
Power dissipation
Sampling rate is limited due to sample & hold , DAC, ADC
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal Processing
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Applications of Digital Signal Processing
Choice of Signal Processing
Finally we make a conclusion that the choice of analog or digitalapproach for the solution of signal processing problem can only bedetermined by the following points.
The application of interest.
The resources available.
The cost involved in building the system.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal Processing
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Applications of Digital Signal Processing
Applications of Digital Signal Processing
The Digital Processing of Signal plays a vital role in almost everyfield of Science and Engineering. Some of the applications ofdigital signal processing in various fields of Science andEngineering are as given below:
Speech ProcessingSpeech compression and decompression to reduce memoryrequirement of storage system.
Speech recognition for voice operated systems and voicebased based security systems.
Speech synthesis for various voice based warnings orannouncements.
Speech compression and decompression for effective use oftransmission channels.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingA li i f Di i l Si l P i
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Applications of Digital Signal Processing
Applications of Digital Signal Processing
Communications
The spectrum analysis of modulated signals helps to identify
the information bearing frequency component that can beused for transmission.
The analysis of signals received from radars are used to detectflying objects and their velocity.
Generation and detection of DTMF signals in telephones.Echo and noise cancellation in transmission channels.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingA li ti f Di it l Si l P i
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Applications of Digital Signal Processing
Applications of Digital Signal Processing
Biomedical
ECG is used to predict heart diseases.
X-ray images are used to predict the bone fractures andtuberculosis.
Ultrasonic scan images of kidney and gall bladder is used topredict stones.
MRI scan is used to study minute inner details of any part ofhuman body.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
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Applications of Digital Signal Processing
Applications of Digital Signal Processing
Audio and Video Equipments
The analysis of audio signals will be useful to design systems
for special effects in audio systems like stereo, woofer, karoke,equalizer, attenuator, etc.
Music synthesis and composing using music keyboards.
Audio and Video compression for storage in DVDs.
Filtering operations on images to extract the features orhidden information.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
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Applications of Digital Signal Processing
Applications of Digital Signal Processing
Image processings
Image compression and decompression to reduce memory
requirement of storage systems.Image compression and decompression for effective use oftransmission channels.
Image recognition for security systems.
Filtering operations on images to extract the features orhidden information.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
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Applications of Digital Signal Processing
Applications of Digital Signal Processing
Geology
The seismic signals are used to determine the magnitude of
earthquakes and volcanic eruptions.The seismic signals are also used to predict nuclear explosions.
The seismic noise is also used to predict the movements oeearth layers tectonicplates
Filtering operations on images to extract the features orhidden information.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
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Applications of Digital Signal Processing
Applications of Digital Signal Processing
Astronomy
The analysis of light received from a star is used to determinethe condition of the star.
The analysis of images of various celestial bodies gives vitalinformation about them.
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
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pp g g g
Common DSP Algorithms and Typical Applications
DSP Algorithms System Applications
Digital Cellular Telephone;Speech coding and Decoding Multimedia computers;
secure Communications.
Robotics;Speech recognition Automotive applicationsMultimedia Workstations
Noise Cancellation Professional Audio;Industrial Applications
Beam forming Navigation;RADAR/SONAR
Echo Cancellation Speaker phones;modems
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
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pp g g g
Typical Applications of DSP
DSP is used in numerous applications :1 video compression
2 digital set-top box
3 cable modems
4 portable video systems/computers5 Digital audio
6 Multimedia and wireless communication
7 Speech processing
8 Digital cameras9 Radar imaging
10 Medical imaging
11 Biomedical signal processing
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
Course OutlineIntroduction to Digital Signal Processing
What is Signal?What is Signal Processing?Pros and Cons of Digital Signal ProcessingApplications of Digital Signal Processing
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Thank You!
V. R. Gupta Assistant Professor ET317 : Digital Signal Processing
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