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Real-Time SignalReal-Time Signal
Processing:Processing:
Implementation andImplementation and
ApplicationApplication
By
SAT...
Contents:Contents:
What does real-time signal processingWhat does real-time signal processing
mean?mean?
Why use real-time...
Real-Time Signal ProcessingReal-Time Signal Processing
Ability to collect, analyze, and modifyAbility to collect, analyze,...
Contents:Contents:
What does real-time signal processingWhat does real-time signal processing
mean?mean?
Why use real-time...
Why Use Real-Time ProcessingWhy Use Real-Time Processing
Conventional methods:Conventional methods:
Data collected at some...
Why Use Real-Time ProcessingWhy Use Real-Time Processing
Results:Results:
Time and money lostTime and money lost
Possibili...
Why Use Real-Time ProcessingWhy Use Real-Time Processing
Real-Time Method:Real-Time Method:
Data isData is collected, anal...
Why Use Real-Time ProcessingWhy Use Real-Time Processing
Results:Results:
No cost of money or time on movement ofNo cost o...
Contents:Contents:
What does real-time signal processingWhat does real-time signal processing
mean?mean?
Why use real-time...
Platforms for ImplementationPlatforms for Implementation
Four Categories:Four Categories:
Software/PC (MATLAB/LabView)Soft...
Platforms for ImplementationPlatforms for Implementation
Which is Right for Me?Which is Right for Me?
FlexibilityFlexibili...
Platforms for ImplementationPlatforms for Implementation
Software/PC Based Signal ProcessingSoftware/PC Based Signal Proce...
Platforms for ImplementationPlatforms for Implementation
Benefits of SoftwareBenefits of Software
FlexibleFlexible
Resilie...
Platform for ImplementationPlatform for Implementation
Drawbacks of SoftwareDrawbacks of Software
ExpensiveExpensive
SlowS...
Platforms for ImplementationPlatforms for Implementation
HardwareHardware
Programmable Logic DevicesProgrammable Logic Dev...
Platforms for ImplementationPlatforms for Implementation
FPGA DevelopersFPGA Developers
Xilinx (www.xilinx.com)Xilinx (www...
Platforms for ImplementationPlatforms for Implementation
FPGAsFPGAs::
ProgrammableProgrammable
logiclogic chipchip
Thousan...
Platforms for ImplementationPlatforms for Implementation
Benefits of HardwareBenefits of Hardware
FastFast
InexpensiveInex...
Platforms for ImplementationPlatforms for Implementation
Drawbacks of HardwareDrawbacks of Hardware
FragileFragile
Difficu...
Platforms for ImplementationPlatforms for Implementation
Firmware/Hardware Based SignalFirmware/Hardware Based Signal
Proc...
Platforms for ImplementationPlatforms for Implementation
DSP DevelopersDSP Developers
Texas Instruments (www.ti.com)Texas ...
Platforms for ImplementationPlatforms for Implementation
DSPs:DSPs:
Microprocessor specifically designed forMicroprocessor...
Platforms for ImplementationPlatforms for Implementation
Benefits of DSPsBenefits of DSPs
Faster than softwareFaster than ...
Platforms for ImplementationPlatforms for Implementation
Drawbacks of DSPsDrawbacks of DSPs
Not as straightforward as soft...
Platforms for ImplementationPlatforms for Implementation
Code Generation ApplicationsCode Generation Applications
Mathwork...
Platforms for ImplementationPlatforms for Implementation
MathworksMathworks
Real-Time WorkshopReal-Time Workshop

Generat...
Platforms for ImplementationPlatforms for Implementation
Embedded Target for TIC6000 DSPEmbedded Target for TIC6000 DSP
Pl...
Platforms for ImplementationPlatforms for Implementation
System Level ProcessorsSystem Level Processors
Hardware systems t...
Platforms for ImplementationPlatforms for Implementation
Opal-RTOpal-RT
Simulators for mostly power and controlSimulators ...
Platforms for ImplementationPlatforms for Implementation
RT-LabRT-Lab
Real-Time simulationReal-Time simulation
Ability to ...
Platform for ImplementationPlatform for Implementation
RT-LabRT-Lab
Platforms for ImplementationPlatforms for Implementation
dSpacedSpace
IDE to developIDE to develop
control systems incontr...
Platforms for ImplementationPlatforms for Implementation
TargetLinkTargetLink
Convert MATLAB/Simulink/Stateflow modelConve...
Platform for ImplementationPlatform for Implementation
TargetLinkTargetLink
Contents:Contents:
What does real-time signal processingWhat does real-time signal processing
mean?mean?
Why use real-time...
TI C6711 OverviewTI C6711 Overview
In form of development kit (DSK) forIn form of development kit (DSK) for
development pu...
TI C6711 OverviewTI C6711 Overview
TI C67xx DSPTI C67xx DSP
Floating point DSPsFloating point DSPs
100-, 150-, 167-,100-, ...
TI C6711 OverviewTI C6711 Overview
TI C67xx DSPTI C67xx DSP
Orthogonal multiplier and arithmetic unitsOrthogonal multiplie...
TI C6711 OverviewTI C6711 Overview
C6711 DSKC6711 DSK
TI C6711 DSKTI C6711 DSK
Data/Program MemoryData/Program Memory
32Kbits L1D Cache (Direct), 32Kbits L1P32Kbits L1D Cache (...
Implementation on C6711 DSKImplementation on C6711 DSK
Code written, compiled/assembled andCode written, compiled/assemble...
Implementation on C6711 DSKImplementation on C6711 DSK
Code Composer Studio (CSS)Code Composer Studio (CSS)
IDE specifical...
Implementation on C6711 DSKImplementation on C6711 DSK
Code Composer StudioCode Composer Studio
DSP/BIOSDSP/BIOS

Gives p...
Implementation on C6711 DSKImplementation on C6711 DSK
CodeCode ComposerComposer StudioStudio
Implementation on C6711 DSKImplementation on C6711 DSK
Implementation ExampleImplementation Example
Signal acquired from o...
Contents:Contents:
What does real-time signal processingWhat does real-time signal processing
mean?mean?
Why use real-time...
ApplicationsApplications
Very broadVery broad
AerospaceAerospace
PowerPower
AutomotiveAutomotive
Control systemsControl sy...
Biomedical ApplicationsBiomedical Applications
Large amounts of signals are produced byLarge amounts of signals are produc...
Biomedical ApplicationsBiomedical Applications
Distortion ProductDistortion Product
Otoacoustic EmissionsOtoacoustic Emiss...
DPOAEDPOAE
Conventional testing methods involve longConventional testing methods involve long
testing periods to collect e...
DPOAEDPOAE
DPOAE Implementation (Software)DPOAE Implementation (Software)
Real-time simulations done inReal-time simulatio...
DPOAE ImplementationDPOAE Implementation
Next Step: DSPNext Step: DSP
Clinical prototype to perform DPOAEClinical prototyp...
DPOAE ImplementationDPOAE Implementation
Results:Results:
Low cost, fast, reliable means to test theLow cost, fast, reliab...
THANK
YOU
THANK
YOU
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Real-Time Signal Processing: Implementation and Application

  1. 1. Real-Time SignalReal-Time Signal Processing:Processing: Implementation andImplementation and ApplicationApplication By SATHISHKUMAR G (sathishsak111@gmail.com)
  2. 2. Contents:Contents: What does real-time signal processingWhat does real-time signal processing mean?mean? Why use real-time signal processing?Why use real-time signal processing? Platforms for implementationPlatforms for implementation Implementation on Texas InstrumentsImplementation on Texas Instruments C6711 DSPC6711 DSP Applications (concentration on biomedical)Applications (concentration on biomedical)
  3. 3. Real-Time Signal ProcessingReal-Time Signal Processing Ability to collect, analyze, and modifyAbility to collect, analyze, and modify signals in real-timesignals in real-time Real-Time: As these signals are occurringReal-Time: As these signals are occurring In other words, we want to analyze andIn other words, we want to analyze and process signals while collecting them, notprocess signals while collecting them, not at a later time.at a later time. Signal Real-Time Signal Processor Refined Data
  4. 4. Contents:Contents: What does real-time signal processingWhat does real-time signal processing mean?mean? Why use real-time signal processing?Why use real-time signal processing? Platforms for implementationPlatforms for implementation Implementation on Texas InstrumentsImplementation on Texas Instruments C6711 DSPC6711 DSP Applications (concentration on biomedical)Applications (concentration on biomedical)
  5. 5. Why Use Real-Time ProcessingWhy Use Real-Time Processing Conventional methods:Conventional methods: Data collected at some locationData collected at some location Once all of data is collected, it then has toOnce all of data is collected, it then has to be processed in order to have usablebe processed in order to have usable informationinformation Quite frequently, data is collected andQuite frequently, data is collected and processed in two separate locationsprocessed in two separate locations Collector Signal Raw Data Processor Refined Data
  6. 6. Why Use Real-Time ProcessingWhy Use Real-Time Processing Results:Results: Time and money lostTime and money lost Possibility of different machines to doPossibility of different machines to do collecting and processingcollecting and processing Possibility of even differentPossibility of even different organizations/companies doing collectingorganizations/companies doing collecting and processingand processing
  7. 7. Why Use Real-Time ProcessingWhy Use Real-Time Processing Real-Time Method:Real-Time Method: Data isData is collected, analyzedcollected, analyzed andand processedprocessed all inall in one locationone location, on, on one machineone machine Signal Real-Time Signal Processor Refined Data
  8. 8. Why Use Real-Time ProcessingWhy Use Real-Time Processing Results:Results: No cost of money or time on movement ofNo cost of money or time on movement of datadata No cost of separate machines to collectNo cost of separate machines to collect and processand process Ability to produce results much fasterAbility to produce results much faster
  9. 9. Contents:Contents: What does real-time signal processingWhat does real-time signal processing mean?mean? Why use real-time signal processing?Why use real-time signal processing? Platforms for implementationPlatforms for implementation Implementation on Texas InstrumentsImplementation on Texas Instruments C6711 DSPC6711 DSP Applications (concentration on biomedical)Applications (concentration on biomedical)
  10. 10. Platforms for ImplementationPlatforms for Implementation Four Categories:Four Categories: Software/PC (MATLAB/LabView)Software/PC (MATLAB/LabView) Firmware/Hardware (DSPs)Firmware/Hardware (DSPs) Hardware (FPGA/Digital Circuits)Hardware (FPGA/Digital Circuits) System Level ProcessorsSystem Level Processors
  11. 11. Platforms for ImplementationPlatforms for Implementation Which is Right for Me?Which is Right for Me? FlexibilityFlexibility SpeedSpeed CostCost PracticalityPracticality Each type hasEach type has benefits and drawbacksbenefits and drawbacks
  12. 12. Platforms for ImplementationPlatforms for Implementation Software/PC Based Signal ProcessingSoftware/PC Based Signal Processing MATLAB/SimulinkMATLAB/Simulink LabViewLabView Numerous other software applicationsNumerous other software applications Signal collected by data acquisitionSignal collected by data acquisition hardwarehardware Processed by software applicationProcessed by software application
  13. 13. Platforms for ImplementationPlatforms for Implementation Benefits of SoftwareBenefits of Software FlexibleFlexible ResilientResilient Overall easier to useOverall easier to use
  14. 14. Platform for ImplementationPlatform for Implementation Drawbacks of SoftwareDrawbacks of Software ExpensiveExpensive SlowSlow Requires additional platform to run on (PCRequires additional platform to run on (PC for example)for example) Requires additional hardware to collectRequires additional hardware to collect datadata
  15. 15. Platforms for ImplementationPlatforms for Implementation HardwareHardware Programmable Logic DevicesProgrammable Logic Devices Field Programmable Gate Arrays (FPGAs)Field Programmable Gate Arrays (FPGAs) Digital Circuits consisting of ICs and otherDigital Circuits consisting of ICs and other componentscomponents Signals are collected and processed bySignals are collected and processed by hardwarehardware
  16. 16. Platforms for ImplementationPlatforms for Implementation FPGA DevelopersFPGA Developers Xilinx (www.xilinx.com)Xilinx (www.xilinx.com) Altera (www.altera.com)Altera (www.altera.com)
  17. 17. Platforms for ImplementationPlatforms for Implementation FPGAsFPGAs:: ProgrammableProgrammable logiclogic chipchip Thousands ofThousands of gatesgates
  18. 18. Platforms for ImplementationPlatforms for Implementation Benefits of HardwareBenefits of Hardware FastFast InexpensiveInexpensive
  19. 19. Platforms for ImplementationPlatforms for Implementation Drawbacks of HardwareDrawbacks of Hardware FragileFragile Difficult to useDifficult to use Requires knowledge of all aspects of itsRequires knowledge of all aspects of its functioning and componentsfunctioning and components
  20. 20. Platforms for ImplementationPlatforms for Implementation Firmware/Hardware Based SignalFirmware/Hardware Based Signal ProcessingProcessing Digital Signal Processor (DSP)Digital Signal Processor (DSP) Embedded code to run DSP (Firmware)Embedded code to run DSP (Firmware) Signal both collected and processed bySignal both collected and processed by DSPDSP ““Middle of the road” between software andMiddle of the road” between software and strictly hardware platformsstrictly hardware platforms
  21. 21. Platforms for ImplementationPlatforms for Implementation DSP DevelopersDSP Developers Texas Instruments (www.ti.com)Texas Instruments (www.ti.com) Motorola (www.motorola.com)Motorola (www.motorola.com) Analog Devices (www.analogdevices.com)Analog Devices (www.analogdevices.com)
  22. 22. Platforms for ImplementationPlatforms for Implementation DSPs:DSPs: Microprocessor specifically designed forMicroprocessor specifically designed for signal processing applicationssignal processing applications  Good at arithmetic operationsGood at arithmetic operations (multiplication/division)(multiplication/division) Mostly programmed with Assembly and CMostly programmed with Assembly and C through Integrated Developmentthrough Integrated Development Environment (IDE)Environment (IDE) Similar to writing programs for softwareSimilar to writing programs for software applictionsapplictions
  23. 23. Platforms for ImplementationPlatforms for Implementation Benefits of DSPsBenefits of DSPs Faster than softwareFaster than software Less expensive than softwareLess expensive than software More flexible than hardwareMore flexible than hardware Easier to use than strictly hardwareEasier to use than strictly hardware platformsplatforms
  24. 24. Platforms for ImplementationPlatforms for Implementation Drawbacks of DSPsDrawbacks of DSPs Not as straightforward as softwareNot as straightforward as software  Need knowledge of hardware and how it worksNeed knowledge of hardware and how it works (registers/memory map)(registers/memory map) Still has some limitations on speed whenStill has some limitations on speed when compared to strictly hardware (CPUcompared to strictly hardware (CPU overhead/Memory access)overhead/Memory access)
  25. 25. Platforms for ImplementationPlatforms for Implementation Code Generation ApplicationsCode Generation Applications MathworksMathworks Ability to take code written for applicationsAbility to take code written for applications like MATLAB or Simulink block diagramslike MATLAB or Simulink block diagrams and download them directly to a particularand download them directly to a particular DSP platform.DSP platform.
  26. 26. Platforms for ImplementationPlatforms for Implementation MathworksMathworks Real-Time WorkshopReal-Time Workshop  Generate efficient ANSI C code from SimulinkGenerate efficient ANSI C code from Simulink for downloading to a DSPfor downloading to a DSP Embedded TargetsEmbedded Targets  Provides for rapid development and efficientProvides for rapid development and efficient ANSI C code from Simulink for a specific DSPANSI C code from Simulink for a specific DSP  Embedded target for TIC6000 DSP PlatformsEmbedded target for TIC6000 DSP Platforms www.mathworks.comwww.mathworks.com
  27. 27. Platforms for ImplementationPlatforms for Implementation Embedded Target for TIC6000 DSPEmbedded Target for TIC6000 DSP PlatformsPlatforms
  28. 28. Platforms for ImplementationPlatforms for Implementation System Level ProcessorsSystem Level Processors Hardware systems that work withHardware systems that work with MATLAB/SimulinkMATLAB/Simulink Enable simulation of real-time systemsEnable simulation of real-time systems along with implementation in hardwarealong with implementation in hardware Opal-RTOpal-RT dSpacedSpace
  29. 29. Platforms for ImplementationPlatforms for Implementation Opal-RTOpal-RT Simulators for mostly power and controlSimulators for mostly power and control applicationsapplications  AerospaceAerospace  AutomotiveAutomotive  Power SystemsPower Systems  IndustrialIndustrial  Robotics and ControlsRobotics and Controls RT-LABRT-LAB
  30. 30. Platforms for ImplementationPlatforms for Implementation RT-LabRT-Lab Real-Time simulationReal-Time simulation Ability to transferAbility to transfer product developedproduct developed through simulation tothrough simulation to embedded targetembedded target Works with SimulinkWorks with Simulink and LabViewand LabView Compatible withCompatible with programmingprogramming languages such aslanguages such as Visual Basic and C++Visual Basic and C++ www.opal-rt.comwww.opal-rt.com
  31. 31. Platform for ImplementationPlatform for Implementation RT-LabRT-Lab
  32. 32. Platforms for ImplementationPlatforms for Implementation dSpacedSpace IDE to developIDE to develop control systems incontrol systems in real-timereal-time TargetLinkTargetLink www.dspace.dewww.dspace.de
  33. 33. Platforms for ImplementationPlatforms for Implementation TargetLinkTargetLink Convert MATLAB/Simulink/Stateflow modelConvert MATLAB/Simulink/Stateflow model specs into efficient ANSI C code.specs into efficient ANSI C code.
  34. 34. Platform for ImplementationPlatform for Implementation TargetLinkTargetLink
  35. 35. Contents:Contents: What does real-time signal processingWhat does real-time signal processing mean?mean? Why use real-time signal processing?Why use real-time signal processing? Platforms for implementationPlatforms for implementation Implementation on Texas InstrumentsImplementation on Texas Instruments C6711 DSPC6711 DSP Applications (concentration on biomedical)Applications (concentration on biomedical)
  36. 36. TI C6711 OverviewTI C6711 Overview In form of development kit (DSK) forIn form of development kit (DSK) for development purposesdevelopment purposes DSK includes supporting hardware such asDSK includes supporting hardware such as A/D conversion, External Memory InterfaceA/D conversion, External Memory Interface (EMIF), parallel port connection, etc.(EMIF), parallel port connection, etc. Member of TI C6000 family of DSPsMember of TI C6000 family of DSPs High Performance DSPsHigh Performance DSPs Performance audio and imagingPerformance audio and imaging applicationsapplications
  37. 37. TI C6711 OverviewTI C6711 Overview TI C67xx DSPTI C67xx DSP Floating point DSPsFloating point DSPs 100-, 150-, 167-,100-, 150-, 167-, 200-MHz clock200-MHz clock 600 – 1350600 – 1350 MFLOPSMFLOPS VLIW ArchitectureVLIW Architecture  Highly parallelHighly parallel  EmphasizesEmphasizes maximum codemaximum code perfomanceperfomance
  38. 38. TI C6711 OverviewTI C6711 Overview TI C67xx DSPTI C67xx DSP Orthogonal multiplier and arithmetic unitsOrthogonal multiplier and arithmetic units provide many execution resources to theprovide many execution resources to the assembler and compiler optimizerassembler and compiler optimizer Total of eight functional units are allowed toTotal of eight functional units are allowed to run in parallel or serial/parallel combinationrun in parallel or serial/parallel combination Results: Fewer program fetches, smallerResults: Fewer program fetches, smaller code size, and a reduction in powercode size, and a reduction in power consumptionconsumption
  39. 39. TI C6711 OverviewTI C6711 Overview C6711 DSKC6711 DSK
  40. 40. TI C6711 DSKTI C6711 DSK Data/Program MemoryData/Program Memory 32Kbits L1D Cache (Direct), 32Kbits L1P32Kbits L1D Cache (Direct), 32Kbits L1P Cache (2-Way set associative), 512KbitsCache (2-Way set associative), 512Kbits L2 RAM/CacheL2 RAM/Cache 16 channel EDMA16 channel EDMA 32 bit EMIF32 bit EMIF 2 Multichannel Buffered Serial Ports2 Multichannel Buffered Serial Ports (McBSPs)(McBSPs) 1.8V core supply/3.3 V IO supply1.8V core supply/3.3 V IO supply
  41. 41. Implementation on C6711 DSKImplementation on C6711 DSK Code written, compiled/assembled andCode written, compiled/assembled and built on PC in IDE and downloadedbuilt on PC in IDE and downloaded through parallel port to DSKthrough parallel port to DSK DSP stores code in different sections forDSP stores code in different sections for memory as directed in linker command filememory as directed in linker command file External RAM, Stack, Internal RAM (Cache), etc.External RAM, Stack, Internal RAM (Cache), etc. IDE: Code Composer Studio (CCS)IDE: Code Composer Studio (CCS)
  42. 42. Implementation on C6711 DSKImplementation on C6711 DSK Code Composer Studio (CSS)Code Composer Studio (CSS) IDE specifically designed for TI DSPsIDE specifically designed for TI DSPs Allows programmer to use Assembly, C, orAllows programmer to use Assembly, C, or even C++even C++ In-line assembly is another option (higherIn-line assembly is another option (higher level assembly)level assembly) Code optimizationCode optimization  Assembly/In-line Assembly: 100%Assembly/In-line Assembly: 100%  C: 80-100%C: 80-100%
  43. 43. Implementation on C6711 DSKImplementation on C6711 DSK Code Composer StudioCode Composer Studio DSP/BIOSDSP/BIOS  Gives programmer many avenues of insightGives programmer many avenues of insight into program performanceinto program performance Animation of graphsAnimation of graphs Clock cycle counterClock cycle counter Profiler to locate bottlenecksProfiler to locate bottlenecks Real-Time Data Exchange (RTDX)Real-Time Data Exchange (RTDX)  DSP will transfer data to PC in real-timeDSP will transfer data to PC in real-time  Only minor code adjustments necessaryOnly minor code adjustments necessary
  44. 44. Implementation on C6711 DSKImplementation on C6711 DSK CodeCode ComposerComposer StudioStudio
  45. 45. Implementation on C6711 DSKImplementation on C6711 DSK Implementation ExampleImplementation Example Signal acquired from outside sourceSignal acquired from outside source through A/D conversion and McBSPthrough A/D conversion and McBSP  int x = McBSP_read()int x = McBSP_read() Discrete signal value is then processedDiscrete signal value is then processed accordinglyaccordingly  Several input values may need to beSeveral input values may need to be buffered for a timebuffered for a time DSP sends processed signal throughDSP sends processed signal through McBSP and D/A converter to output jackMcBSP and D/A converter to output jack  McBSP_write(y)McBSP_write(y)
  46. 46. Contents:Contents: What does real-time signal processingWhat does real-time signal processing mean?mean? Why use real-time signal processing?Why use real-time signal processing? Platforms for implementationPlatforms for implementation Implementation on Texas InstrumentsImplementation on Texas Instruments C6711 DSPC6711 DSP Applications (concentration on biomedical)Applications (concentration on biomedical)
  47. 47. ApplicationsApplications Very broadVery broad AerospaceAerospace PowerPower AutomotiveAutomotive Control systemsControl systems BiomedicalBiomedical
  48. 48. Biomedical ApplicationsBiomedical Applications Large amounts of signals are produced byLarge amounts of signals are produced by the human body (heart, brain, etc.)the human body (heart, brain, etc.) Real-time signal processing can enable usReal-time signal processing can enable us to understand the meaning of theseto understand the meaning of these signals as they are occurring.signals as they are occurring. Results in better testing methods, betterResults in better testing methods, better diagnoses, prevention of fatal events.diagnoses, prevention of fatal events.
  49. 49. Biomedical ApplicationsBiomedical Applications Distortion ProductDistortion Product Otoacoustic EmissionsOtoacoustic Emissions (DPOAE) Testing(DPOAE) Testing Auditory testing (focusAuditory testing (focus on infants)on infants) Two sinusoids (f1, f2)Two sinusoids (f1, f2) introduced into theintroduced into the inner ear (f2 = 1.2*f1)inner ear (f2 = 1.2*f1) Cochlea returns lowCochlea returns low level emission atlevel emission at frequency fd = 2*f1-frequency fd = 2*f1- f2f2 Want to be able toWant to be able to locate this frequencylocate this frequency among input sineamong input sine waves and noisewaves and noise
  50. 50. DPOAEDPOAE Conventional testing methods involve longConventional testing methods involve long testing periods to collect enough data astesting periods to collect enough data as well as the necessity for a noiselesswell as the necessity for a noiseless environmentenvironment DPOAE MethodDPOAE Method Fast technique (real-time)Fast technique (real-time) High noise immunity (due to Dr. Ziarani’sHigh noise immunity (due to Dr. Ziarani’s method of extraction of non-stationarymethod of extraction of non-stationary sinusoids)sinusoids)
  51. 51. DPOAEDPOAE DPOAE Implementation (Software)DPOAE Implementation (Software) Real-time simulations done inReal-time simulations done in MATLAB/Simulink environmentMATLAB/Simulink environment  Electronic data sets usedElectronic data sets used Implementation in MATLAB/SimulinkImplementation in MATLAB/Simulink environment through data acquisitionenvironment through data acquisition hardwarehardware  Clinical probe system from Etymotic ResearchClinical probe system from Etymotic Research (www.etymotic.com)(www.etymotic.com)  Data Acquisition Board from NationalData Acquisition Board from National Instruments (www.ni.com)Instruments (www.ni.com)
  52. 52. DPOAE ImplementationDPOAE Implementation Next Step: DSPNext Step: DSP Clinical prototype to perform DPOAEClinical prototype to perform DPOAE testingtesting Same probe system from EtymoticSame probe system from Etymotic ResearchResearch Texax Instruments C6711 DSPTexax Instruments C6711 DSP
  53. 53. DPOAE ImplementationDPOAE Implementation Results:Results: Low cost, fast, reliable means to test theLow cost, fast, reliable means to test the auditory response of humans in real-timeauditory response of humans in real-time
  54. 54. THANK YOU THANK YOU
  • TarunThamminaina

    Jan. 21, 2021
  • SuhasAralikatti

    Jul. 26, 2020

Real-Time Signal Processing: Implementation and Application

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