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What is a codec?
Codec can stand for enCOder/DECoder or COmpressor/DECompressor. It can be a hardware circuit that performs analog-to-digital conversion and digital-to-analog conversion. It can also refer to any SW or HW that compresses and decompresses audio and video data streams.
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2006-10-12 Imsys makes three versions of reconfigurable MPU available
Imsys used the re-configurability of its IM3000.x microprocessor architecture to develop three new versions optimized for different wired and wireless network apps.
2003-01-16 IC suppliers ramp system-level design
Many IC suppliers are morphing into subsystem-level suppliers for system integrators, so chip companies must therefore master integration at multiple levels - from IC to board to system
2010-02-17 HD video processor offers face detection
Ceva Inc. will introduce its software-programmable multimedia video processor MM3000 that comes complete with C compilers, power management provision and an RTOS/multithreading scheduler.
2009-02-12 HD video IP core supports mobile apps, DTV
Video core technologies developer Chips&Media will showcase its latest pre-configurable HD video codec IP core at International IC-China Conference and Exhibition in Shanghai, China from March 9-11.
2008-10-09 HD audio codecs optimize capacity of mobile devices
Integrated Device Technology has released a new set of high-definition audio codecs that offer improved capability and fidelity, and design flexibility for multimedia notebooks and enterprise desktops.
2013-03-11 Hardware IP from Renesas boasts low-delay processing
The multi-format video codec hardware IP targets car information terminals that support HDTV, mobile devices such as smartphones and tablets, and industrial equipment.
2007-06-29 H.264 codecs to turn on flash-based TVs
Mobilygen is betting its new H.264 codecs will spur development of TVs that can accomplish "pause" and "instant replay" of broadcast programming without the use of a hard drive.
2004-11-01 GSM vocoders improve speech transmission
The evolution of signal-processing cores has led to the enhancement of speech coders used for GSM systems.
2001-05-17 G.729/A speech coder: multi-channel TMS320C62x implementation
This application note provides a detailed description of the implementation of the G.729 speech encoder and decoder (codec) on Texas Instruments' TMS320C6201 DSP.
2006-09-26 Fujitsu enables one-third image compression rate in cars
Fujitsu Laboratories announced an image compression technology for automotive use that complies with the IDB-1394 standard for in-vehicle digital imaging transmission system networks.
2004-02-13 ESS chip integrates decoder, encoder core
ESS Technology's Vantage II MX single chip MPEG-2 codec provides the capability to playback DivX video content.
2008-12-01 Ensure multichannel surround sound
The challenge for audio subsystem designers is to ensure that the multiple concurrent audio channels get where they need to goand to make it easy to set up, debug and maintain.
2006-01-01 Engineer-entrepreneur challenges market rules
Phison Electronics in its fourth year gained approximately more than $119 million (NT$4 billion) revenue, making itself a legend in the Taiwan IC design industry.
2003-01-02 Encoding MPEG-2 audio signals
MPEG-2 is today's standard for audio and video digital storage; knowledge on MPEG compression, encoding and decoding can help decide on which MPEG-2 layer to utilize.
2004-09-16 Embedded VoIP implementations using SIP
Broadband adoption has laid the pavement for mass-market VoIP implementation. Find out the advances that have made 2004 the year of VoIP.
2004-12-01 Effectively manage power in portable devices
Learn how to best manage power in portable multimedia devices critical to the success of wireless services.
2008-01-02 Double treat: Pentamicro's security boost
Pentamicro Inc. has recently introduced MultiStream II, which the company claims is the first multichannel H.264 codec targeted at Korea's security market. H.264 technology provides double compression rates compared with MPEG-4, boosts today's DMB, VoDs and IP STBs by enabling transfer of high-definition (HD) images through networks.
2005-03-16 Don't pay much for mixed-signal tools
Cost-effective analog tools work well with advanced digital tools. They will let you get better payback on your next SoC project and integrate into your design flow at just the right points.
2006-03-16 DLNA,UPnP pave way for home video nets
The DLNA and UPnP are but two of recent attempts at making the vision of a networked digital home a reality.
2005-07-01 Developing software for audio/visual devices
Experts offer useful guidelines for implementing audio and video software for consumer products
2002-12-06 Demonstration board for the UDA1325PS
This application note presents the solder side of the UDA1325 USB codec evaluation board.
2006-11-16 Cypress, Winbond team on VoIP headset demo kit
Cypress has introduced a demonstration kit for a VoIP headset that pairs the interference immunity of the company's low-power WirelessUSB LP 2.4GHz radio SoC with the clean signal delivery of Winbond Electronics' W681360 codec.
2007-11-21 CSR toolkit designs sub-$10 MP3 players
Bluetooth chip pioneer CSR plc has started shipping a single-chip MP3 reference design platform with an electronic BOM of less than $10.
2007-09-10 CSR fields new Bluetooth chips for handsets, headsets
CSR has launched its sixth generation of BlueCore silicon for Bluetooththe BC6-ROM chip for handset applications and the BC6-Audio-ROM for headset applications.
2001-04-16 CS4297A/CS4299 EMI reduction techniques
This application note describes EMI reduction techniques for Crystal Semiconductor's CS4297A and CS4299 AC '97 audio codecs.
2007-05-16 Create multistandard video engines
Unlike conventional 32bit processors that suffer from performance bottlenecks, programmable processors provide more flexibility than RTL blocks to support multiple video standards.
2001-09-05 Continuously variable slope delta modulation: A tutorial
This application note discusses the basics of uniform and non-uniform quantization (non-adaptive), differential quantization and CVSD (Continuously Variable Slope Delta modulation) quantization.
2004-08-02 Content portability takes priority
Address all issues involved in moving digital entertainment content across different platforms.
1999-11-01 Considerations for mixed signal circuit board design (how to design a PCB layout/assembly compatible with the AD1845 and CS4231 codecs)
This application note explains the design issues involved in designing a codec
2001-04-16 Compatibility between CS4299 and AD1881
This application note discusses the problems and possible solutions that are associated with populating a CS4299 into a socket designed for the AD1881.
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