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Topic: Digital signal processor

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In the News (Fri 19 Apr 19)

  Digital signal processor - Wikipedia, the free encyclopedia
In 1978, Intel released the 2920 as an "analog signal processor".
Both processors were inspired by the research in PSTN telecommunications.
Most DSPs use fixed-point arithmetic, because in real world signal processing, the additional range provided by floating point is not needed, and there is a large speed benefit; however, floating point DSPs are common for scientific and other applications where additional range or precision may be required.
en.wikipedia.org /wiki/Digital_signal_processor   (571 words)

 Digital signal processing - Wikipedia, the free encyclopedia
Digital signal processing (DSP) is the study of signals in a digital representation and the processing methods of these signals.
Since the goal of DSP is usually to measure or filter continuous real-world analog signals, the first step is usually to convert the signal from an analog to a digital form, by using an analog to digital converter.
Specific examples are speech compression and transmission in digital mobile phones, equalisation of sound in Hifi equipment, weather forecasting, economic forecasting, seismic data processing, analysis and control of industrial processes, computer-generated animations in movies, medical imaging such as CAT scans and MRI, image manipulation, and digital effects for use with electric guitar amplifiers.
en.wikipedia.org /wiki/Digital_signal_processing   (1386 words)

 DSP Tutorial
A Digital Signal Processor is a special-purpose CPU (Central Processing Unit) that provides ultra-fast instruction sequences, such as shift and add, and multiply and add, which are commonly used in math-intensive signal processing applications.
A DSP, on the other hand, is often used as a type of embedded controller or processor that is built into another piece of equipment and is dedicated to a single group of tasks.
DSPs are classified by their dynamic range, the spread of numbers that must be processed in the course of an application.
www.wave-report.com /tutorials/DSP.htm   (593 words)

 Digital signal processor : Dsp   (Site not responding. Last check: 2007-10-20)
A Digital Signal Processor (DSP) is a specialized microprocessor designed specifically for digital signal processing.
DSPs can also be used to perform general-purpose computation, but they are not optimised for this function.
Or, in other words, inasmuch naturally-disposed mud beds the lowest are the oldest, we should come exists between the animal and vegetable life of an epoch and that which the end of this Lecture.
www.termsdefined.net /ds/dsp.html   (147 words)

 Digital Signal Processor
DSP systems are designed to sample incoming analog signals at fixed time intervals, it must be fast enough to accurately describe the signal, with enough resolution to keep the noise level low.
The important role of a DSP chip's address generator is to control the addresses sent to the program and data memories, specifying where the information is to be read from or written to.
Such advantages are: a strong price/performance ratios for DSP applications, consume little power when processing DSP tasks, the architecture is simplify for digital signal processing programming, and often have a support of DSP-oriented application and development tools [2].
cda.mrs.umn.edu /~lopezdr/seminar/fall2000/Vue.htm   (3562 words)

 Digital video signal processor - Patent 4825287
In high definition digital TV systems, 3-dimensional filters with inter/intraframe processing are used as filters for separating illuminance and chrominance from composite video signals such as NTSC or PAL, in place of a band-pass filter or a 2-dimensional comb filter according to the prior art, or used as a motion-detection filter for motion compensation.
An input signal delay circuit 34 is provided to ensure a synchronization between the two delays of the output register R13 and the register L7 of the ALU and an input signal even if the two delays come from the cascade connection.
This digital signal is delayed a predetermined amount by line memories 108 and a delay memory 109 until it is fed as signals S1 to S9 to a signal difference estimator 15 or a differential estimator 116.
www.freepatentsonline.com /4825287.html   (5093 words)

 Digital Signal Processor   (Site not responding. Last check: 2007-10-20)
Since the CPU is a digital device, it clearly processes digital data, so you might wonder what the difference is between digital data and a digital signal.
Its myopic focus on math means that a DSP can continuously accept and modify a digital signal, such as an MP3 music recording or a cell phone conversation, without stalling or losing data.
DSPs can be used to search for specific patterns of frequencies or intensities in a signal.
www.computerworld.com /printthis/2001/0,4814,58457,00.html   (864 words)

 Tensilica - Markets and Applications
The Diamond 545CK is the highest performing licensable DSP core, according to BDTI.
The Diamond 545CK, which combines a base CPU controller and a DSP containing 8 parallel 18-bit single-cycle MAC units, is unique in the industry, allowing system control and industry leading data processing throughput in a single core with a single compiler and single instruction stream.
DSPs are increasingly used in SOC applications due to pressures to decrease costs and increase performance, especially in consumer markets.
www.tensilica.com /markets/digital-signal-proc.htm   (599 words)

 Gerdes System Technology: Projects using digital signal processors (DSP) for motor control.   (Site not responding. Last check: 2007-10-20)
The TMS 320F24x is a series of specialized Digital Signal Processors (DSP) for the motor control and embedded process automation realm.
The DSP core is optimized for these tasks in many ways.
The processor's JTAG interface allows real time emulation of the hardware design without the need for an expensive hardware emulator.
www.gsystech.de /engl/dsp.html   (293 words)

 DSP-3 Digital Signal Processor
This external power supply is used for the DSP-3 Digital Signal Processor under special circumstances.
This dataport cable is used to match a DSP-3 Digital Signal Processor to a QSC dataported amplifier.
This serial cable includes an inline ferrite filter for better signal transfer between a control computer and an active DSP unit.
www.qscstore.com /lf3.html   (348 words)

Digital Signal Processors have approximately the same level ofintegration, the same clock frequencies as general purposemicroprocessors.
DSP Boards: A Buyer's Guide - Fortunately, it's not necessary for a designer to start from scratch when dealing with complex DSP chips, an essential component for many communication systems- thanks to an array of preconfigured and customizable DSP boards and related software.
DSPs for next-generation cell phones balance performance and power - DSP vendors are fighting the battle on several fronts for high-performance, low-power operation and offering scalable architectures and optimized instruction sets.
www.epanorama.net /links/dsp.html   (2967 words)

 Digital Signal Processor Resources   (Site not responding. Last check: 2007-10-20)
Digital Signal Processor A Digital Signal Processor is a special-purpose CPU (Central Processing Unit) that provides ultra-fast instruction...
Digital signal processor to assist in upgrade of MK-48 wire-guided, thermal torpedo Dec 7, 2004 4:04 PM.
Digital Signal Processors (DSPs), one of the fastest-growing electronics components employed in systems, will grow to approximately 2..8 billion units by the end of 2009, up from an estimated at 1.5 billion units in 2004, says In-Stat.
www.everythingcomputer-guidez.info /digital-signal-processor   (1162 words)

 Product Folder : TMS320C31 - Digital Signal Processor
General-purpose applications are greatly enhanced by the large address space, multiprocessor interface, internally and externally generated wait states, one external interface port, two timers, one serial port, and multiple-interrupt structure.
Interfacing the TLV5639 DAC to the TMS320C31 DSP (slau071.htm, 9 KB)
Interfacing the TLV2541 ADC and the TLV5618A DAC to the TMS320C31 DSP (slaa111.htm, 9 KB)
focus.ti.com /docs/prod/folders/print/tms320c31.html   (894 words)

 Digital Signal Processor   (Site not responding. Last check: 2007-10-20)
is a digital signal processing Java applet designed upon principle integration formulas, signal data set and their graphical presentations.
Originally this module was developed as a part of seismic data processing system WSG for Windows 9x/NT/ME/2000/XP and was written in Microsoft Visual C++.
W padding by zeros to signal length will be power of 2.
www.ceme.gsras.ru /dsp/DspApplet.htm   (648 words)

 Digital signal processor - a reference guide from Electronicstalk
We see from your search that you're looking for information on the term "Digital signal processor", and we have a large number of manufacturers' news releases and technical articles here on Electronicstalk which will be of interest.
Start with the news release DSP powers up 24-voice synthesiser from Texas Instruments (April 2006-), which we summarised at the time by saying "Korg is using the high-performance low-power TMS320VC5502 DSP in its latest 24-voice synthesiser which offers a variety of synthesis algorithms together with multiple effects.".
Earlier in the week, we featured the news release WiMAX tester to be previwed at June 2006 PlugFest from Aeroflex: "Aeroflex and Cetecom Spain have outlined the roadmap for the development and introduction of the WiMAX Forum's 802.16e protocol conformance test solution.".
www.electronicstalk.com /guides/digital-signal-processor.html   (566 words)

 Quantics W9GR Digital Signal Processors
It's best to be able to leave a DSP in line all the time, rather than waiting for noise or interference to appear before switching it in.
The first three DSP functions are different combinations of noise reducers and automatic notch filters, using the Widrow-Hoff LMS adaptive filtering algorithm.
I could copy signals on 160 meters that were virtually impossible; I found several stations that I could switch the unit in and out and verify the effectiveness.
www.w9gr.com   (3067 words)

 Digital Signal Processors by Vorsis
Roger Crawford, Assistant to the General Manager at WNCW, won the AP-3 Digital Signal Processor as grand prize via a drawing featured at the SCMS HD Radio Conference in Charlotte on June 1.
The Vorsis AP-1000 Digital Spectral Processor is the winner of Radio Magazine's NAB 2006 Pick Hit Award, which is given by a panel of engineering judges and radio professionals.
Vorsis AP-1000 Digital Spectral Processor is the winner of radio's most prestigious technology honor, the "Cool Stuff" Award, given by a panel of engineering judges on behalf of Radio World newspaper at the NAB 2006 convention in Las Vegas.
www.vorsis.com /news.html   (269 words)

 Crane Song Website
HEDD, short for harmonically enhanced digital device, is a technological breakthrough in signal processing.
HEDD is engineered to be musically transparent while providing the capability of generating tube/analog sounds in the digital domain.
HEDD has transformerless balanced analog inputs and outputs, transformer isolated digital inputs and outputs, and uses separate power transformers and supplies for the analog and digital sections.
www.cranesong.com /hedd192.html   (201 words)

 SAA7715H; Digital Signal Processor
The SAA7715 is a cost effective and powerful high performance 24-bit programmable DSP for a variety of digital audio applications.
The SAA7715 can be configured for various audio applications by downloading the dedicated DSP program code into the DSP program RAM or using the ROM or a combination of both.
All digital inputs are tolerant for 5 V input levels
www.semiconductors.philips.com /pip/saa7715h   (563 words)

 [No title]
Single Processor can changing the sound of the instrument or other sound source with equalizers, limiters, compressors and other devices thereby "processing" them to be recorded onto a master.
The MidiVerb?4 is the perfect effects processor for professional project studios and musicians who require an affordable solution for...
The Alesis PlayMate Vocalist being a vocal remover and microphone processor is an eventual performance and practice tool for all vocalists.
www.gigasonic.com /cat-signal-processors.htm   (487 words)

 Product Folder : TMS320VC5407 - Digital Signal Processor
The 5407/5404 are based on an advanced modified Harvard architecture that has one program memory bus and three data memory buses.
These processors provide an arithmetic logic unit (ALU) with a high degree of parallelism, application-specific hardware logic, on-chip memory, and additional on-chip peripherals.
The basis of the operational flexibility and speed of these DSPs is a highly specialized instruction set.
focus.ti.com /docs/prod/folders/print/tms320vc5407.html   (640 words)

 Digital Signal Processor - Compare Prices, Reviews and Buy at NexTag - Price - Review
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PRENTICE HALL Digital Signal Processing Applications With Motorola's Dsp56002 Proc...
Bosch 1/4'' Color CCD Cameras with Varifocal Lenses varifocal lens Digital signal processor, video motion color, sharpness and contrast Extreme low light sensitivity provides...
www.nextag.com /digital-signal-processor/search-html   (179 words)

 ST | Digital signal processor   (Site not responding. Last check: 2007-10-20)
STMicroelectronics ' innovative ST100 DSP processor core architecture has been conceived specifically for embedded applications in custom system-on-chip products for demanding markets like cellular phones, hard disk drives, engine management units, telecommunication systems and advanced multimedia products...
In this approach, modern DSP architectures must suppor t High - Level programming languages (" C ", ' C + + '...) and software tool chains able to provide fully efficient code (execution speed, code size) and powerful debug facilities....
Each may be defined as DSP I / Os, PLD I / Os, latched DSP address outputs or special function...
www.st.com /site-index/Digital-signal-processor.htm   (1304 words)

 Title page for etd-0623102-183014   (Site not responding. Last check: 2007-10-20)
In this thesis, we present an implementation of a low-power digital signal processor.
We design the hardware units and analyze the instruction set for digital signal process applications.
We also discuss the test pattern generations to verify this DSP processor.
etd.lib.nsysu.edu.tw /ETD-db/ETD-search/view_etd?URN=etd-0623102-183014   (71 words)

 eBay - digital signal ..., Satellite, Cable TV, Car Electronics items on eBay.com   (Site not responding. Last check: 2007-10-20)
Hands-On Digital Signal Processing by Inc Athena Gro...
Digital Optical Signal Amplifier With Power Supply NEW
search-desc.ebay.com /search/search.dll?query=digital+signal+...&krd=1   (429 words)

 digital signal processor - Find, Compare, and Buy digital signal processor at Shopping.com
Sen M. Kuo et al - Digital Signal Processors: Architectures, Implementations, and Applications
Mohamed El-Sharkawy - Digital Signal Processing Applications With Motorola's Dsp56002 Processor
Tell us why our search results for digital signal processor were not helpful.
www.shopping.com /xGS-digital_signal_processor   (290 words)

 LSI403WLP Digital Signal Processor   (Site not responding. Last check: 2007-10-20)
The LSI403WLP is a Wafer Level Package (WLP) version of the award-winning LSI403LC voice processor.
The WLP format allows the die to be mounted directly on a multi-chip module or printed circuit board with the same reliability and performance characteristics as packaged ICs.
May 23,2005 - LSI Logic ZSP® Voice Processor Chosen to Simplify Integration of Voice-over-WiFi in Mobile Phones
www.lsilogic.com /products/zsp_dsp_standard_products/lsi403wlp.html   (80 words)

 DIGITAL signal processor   (Site not responding. Last check: 2007-10-20)
Digital Signal Processor cards have special chips on them that can
these tasks to the DSP and perform them.
manufacturers of digital video, audio, and telephony software are
homepages.uel.ac.uk /4589n/digital.html   (58 words)

 Comp.dsp Frequently Asked Questions (FAQs)
The world-wide web version of the comp.dsp FAQ is maintained and sponsored by Berkeley Design Technology, Inc. For information on BDTI, visit the BDTI home page at http://www.bdti.com.
3.1 What are the available DSP chips and chip architectures?
3.2 What is the difference between a DSP and a microprocessor?
www.bdti.com /faq/dsp_faq.htm   (342 words)

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