Video processing approaches for a portable multimedia SoC
By Kobi Gur, Senior Field Applications Engineer, CEVA, Inc.
October 27, 2006 -- dspdesignline.com
Strong consumer demand together with advances in technology for portable multimedia devices are challenging device manufacturers to integrate more features and services into smaller, cheaper and more versatile products. Nowadays, the list of technologies integrated into a typical cell phone extends far beyond cellular capabilities. Embedded cameras, MP3 players and LCD screens supporting imaging and video playback are de facto standards in every mid- to high-end phone on the market. Along with Personal Media Players (PMP), MobileTV and Personal Navigation Devices (PND), the markets for these multimedia-rich portable devices are expected to grow at a phenomenal rate. Research firm IDC predicts worldwide sales of mobile phones to top 1.2 billion units in 2010 with Informa Telecoms & Media forecasting the MobileTV market to grow from a total of 0.13 million units in 2005 to 83.5 million by 2010.
Three of the key parameters for developing a successful product capable of taking a share in this lucrative portable multimedia market are price, performance and reusability. The implications of the price and performance parameters are well quantified as it has direct implications on the cost of goods (COGs) of the chip. The same goes for reusability, but moreover, the importance of reusability goes beyond the COGs. Reusability has significant importance on the company's ability to easily adapt and leverage its R&D investments to generate incremental revenue out of multiple markets and applications.
To better understand how to create a value-rich, differentiated and reusable platform, let's first look at the range of technologies that a typical portable multimedia device is capable of performing:
- Multimedia: video, audio and imaging decode and encode of multiple standards such as H.264, VC-1, MPEG4, AAC, MP3, JPEG and many more
- Wireless: Legacy standards such as GSM or CDMA; evolving standards such as WCDMA, TD-SCDMA, 1xEV-DO, etc. and; going forward, standards such as WiMAX.
- Graphics: Including 2D and 3D used for gaming and advanced GUI.
- Voice Recognition: Standard in almost every new cell phone on the market today.
- Connectivity and Location based technology: Such as Bluetooth, GPS, WiFi, UWB, WiMAX including antennas, RF and baseband processing.
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