Global Digital Signal Processor (DSPs) Industries Future Scope and Forecast to 2016

What is a Digital Signal Processor?

• Digital signal processors accept the digital signal and enhance it to impose the signal into speedy information, smoother voice or sharper pictures.
• Digital Signal Processors use sound, voice, video, temperature or position signals that have been digitized and arithmetically manipulate them
• A Digital Signal Processor, or DSP, is a special kind of microprocessor that has an architecture which is optimized for the fast operational needs of digital signal processing.
• A Digital Signal Processor (DSP) can process data in real time, making it ideal for applications that can’t tolerate delays
• A digital signal processor is designed to perform these mathematical functions rapidly. The signals are processed so the information contained in them can be displayed or converted to another type of signal.

 

·     A Digital Signal Processor is required to do the following Digital Signal Processing tasks in real time 

 

Signal Modeling 

•  Difference Equation 
• Convolution 
• Transfer Function 
• Frequency Response 

Signal Processing

• Data Manipulation
• Algorithms
• ƒFiltering
• Estimation 

 

Types of Digital Signal Processors:

Today there are various types of programmable digital signal processors available and at Future Electronics we stock many of the most common types categorized by

1. Clock Frequency 
2. RAM size 
3. Data Bus Width 
4. ROM Size
5. Flash size
6. packaging type
7. MMAC/MIPS/FLOPS and 
8. I/O Voltage

DSP Applications

1. Audio applications

• MPEG Audio
• Portable audio

2. Digital cameras

3. Wireless

• Cellular telephones
• Bas station

4. Networking

• Cable modems
• ADSL
• VDSL

 

Another Look at DSP Applications 

 

High-end

• Wireless Base Station - TMS320C6000
• Cable modem 
•  gateways

Mid-end

• Cellular phone - TMS320C540
• Fax/ voice server

Low end

• Digital camera - TMS320C5000
• Storage products - TMS320C27
• Portable phones 
•  Wireless headsets
• Consumer audio

  

DSP Characteristics:

1. Guaranteeing a repeatable, desired performance as DSP programs execution time can be implemented accurately. And hence Deterministic operation. 
    
2. Re-programmability by software. Different system behaviour might be obtained by re-coding the algorithm executed by the DSP instead of by hardware modifications.     
    
3. Real-time digital signal processing capabilities. DSPs typically have to process data in real time, i.e., the correctness of the operation depends heavily on the time when the data processing is completed.
    
4. High throughput. DSPs can sustain processing of high-speed streaming data, such as audio and multimedia data processing.

 

Market:

The worldwide DSP market has come back to the developing stage after the worldwide financial retreat and is required to develop consistently throughout the following 5 years. Huge scale reception of digital signal processing in the most recent reach of purchaser hardware has lead to expanded utilization of DSP chips, which are entering into a few requisitions which utilize advanced state-of-the art digital signal processing.

The worldwide DSP market by income is assessed to increse from $6.20 billion in 2011 to $9.58 billion in 2016 at a CAGR of 9.09%. The rate offer of DSP industry in the worldwide semiconductor income was pretty nearly between 1% and 3% throughout the years, and it right now remains at 1.97% in 2011.

GLOBAL DSP MARKET REVENUE SHARE BY APPLICATIONS IN END-USER VERTICALS, 2011 ($MILLION) 

Source: MarketsandMarkets

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