Digital signal processing
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Digital signal processors (DSPs) are specialized microprocessors optimized for digital signal processing. The first DSP was developed by Texas Instruments in 1978. DSP technology has since advanced through several generations with improved instructions and speeds. The DSP market is large and growing due to increasing demand for electronic solutions. DSPs are used in a wide range of applications including communications, consumer electronics, healthcare, industrial, and automotive due to their ability to perform real-time signal processing.
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Digital signal processing
- 1. DIGITAL SIGNAL PROCESSING PRESENTED BY: MD ABDUR RAHMAN ID: 1402EEE00019 DEP OF EEE
- 2. CONTENT Introduction to DS Processors Historical Development DSP Market Internal Architecture Applications of DSPs Examples Conclusion
- 3. WHAT IS DIGITAL SIGNAL PROCESSOR? A digital signal processor (DSP) is a specialized microprocessor with an architecture optimized for the operational needs of digital signal processing. Typical DSP system : Conversion from Analog to Digital and Digital to Analog signals. A lot of Interaction with outside world.
- 4. HISTORICAL DEVELOPMENT: First transistor: 16 December 1947, at the Bell Company by William Shockley. First IC: by Jack Killby 12 September 1958 at Texas instruments Laboratories.
- 5. First Microprocessor: 15 November 1971 by Intel Company the Intel 4004. First DSP: 1978 : Texas Instruments TMS5100 DSP.
- 6. 1978 : Intel and AMI, released to unsuccessful DSPs the 2920 and the S2811. 1980 : the NEC µPD7720 DSP by PSTN Telecommunications. 1995: the appearance of the 3rd generation of DSPs : new special instructions in the data path and hardware acceleration, using very complex problems like Fourier- Transform, or Matrix Operations like “ Motorola MC 68356. And TI TMS 320C541 and the TMS 320C80. The fourth generation is best characterized by the changes in the instruction set and the instruction encoding/decoding. The fastest digital signal processor (DSP) is the TMS320C6416, by Texas Instruments (USA). On 12 March 2003, a clock speed of 720 megahertz (MHz) was demonstrated at the Texas Instruments Laboratories, Stafford, Texas, USA.
- 7. MARKET OF DSP’S: • The DSP market is very large and growing rapidly. • Incessant demand of cheaper and better electronic solutions,
- 8. APPLICATIONS OF DSPS : • - Automation & Process Control (Barcode Scanner, Machine Vision) • - Automotive & Transportation (Active Noise Cancellation ANC) • - Communications & Telecom ( Miltary Radar/Sonar, Oscilloscopes) • - Consumer & Portable Electronics (MP3 Players, Mobile Phones, Guitar Effects)
- 9. • Health Tech (MRI: Magnetic Resonance Imaging, Ultrasound System) • Industrial (High-Speed Data Acquisition and Generation) • Security & Safety ( Fingerprint Biometrics, Camera Surveillance) • Space, Avionics & Defense (Military and Avionics Imaging)
- 10. EXAMPLES: • Music (Guitar Effects) :
- 11. CONCLUSION DSP technology has enabled many applications. Size of DSP market has attracted many competitors with a broad set of optimized solutions. DSP’s are very fast and optimal for real time processing.
- 12. THANK YOU