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CMMB What is a comb filter? Search results

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What is a comb filter?
A comb filter is a bandpass filter used to process audio and video signals by mixing the original with a delayed signal. Comb filters allow selected frequencies to pass while blocking their harmonics and all other frequencies. (Souce: EE Times)
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2009-11-13 Vimicro, CSMBC drive CMMB mobile TV
Vimicro will develop chip solutions and CSMBC will provide handset testing and certification.
2008-12-05 Tandem to work on CMMB solutions for PCTV
Mirics Semiconductor and Spreadtrum Communications Inc. have teamed up to deliver embedded TV solutions for portable PC platforms that support the CMMB standard.
2009-08-13 Innofidei tapes out CMMB IC with Chips&Media IP
Chips&Media Inc. announced that Innofidei Inc. completed its China Multimedia Mobile Broadcasting (CMMB) single-chip design tape out.
2007-12-14 Firms unite to deliver CMMB solutions for China's mobile DTV
Siano Mobile Silicon has entered a collaboration deal with China Mobile Broadcasting Satellite and Beijing Huaqi Information Digital Technology to provide advanced solutions for the CMMB standard based on STiMi, starting at the 2008 Olympics.
2009-07-29 CMMB receiver IC offers -100dBm sensitivity
Siano Mobile Silicon has rolled out the SMS1186 TV receiver chip, touted to offer a complete, high quality, cost-effective and secure solution for the new business models of the emerging CMMB market.
2009-01-23 China phone makers pick Siano chip for CMMB Mobile TV
China phone makers ZTE, Tianyu, CEC Telecom and MP3/4 giant AIGO have selected Siano Mobile Silicon's CMMB receiver chip, the SMS1180, to power CMMB mobile TVs.
2007-09-11 China mobile TV options down to CMMB, TDBM
Shedding light on the status of China's mobile TV standard, a former state executive disclosed that "China will have two mobile TV standards by the end of this year: CMMB and TDBM."
2009-02-20 65nm SoC caters to CMMB
Newport Media Inc. has announced a 65nm SoC that can serve as a receiver for China Multimedia Mobile Broadcasting (CMMB) broadcasts.
2008-03-07 Will mobile TV in China be in analog?
Telegent Systems claims that analognot digitalwill dominate the mobile TV market, especially in developing countries like China.
2008-02-19 Optimism stirs in mobile TV market
Calling 2007 'a rock-bottom year' for mobile TV, DiBcom CEO Yannick Levy said he is hoping that things will start to get a little better this year.
2008-08-06 Now showing: Olympics on analog TV
How many people in China will watch the Beijing Olympic Games on mobile phones? Plenty, but most will not tune in to China's fledgling digital mobile TV broadcasts. Instead, they will use the old-school analog signals.
2011-08-12 Innofidei, Siano settle dispute
Siano and Innofidei have announced that they have resolved their dispute amicably and expeditiously. The companies are dropping the court cases against each other on the basis of mutual respect.
2006-12-15 China mobile TV spec similar to Europe's
China's new broadcast mobile TV spec bears a striking resemblance to a European satellite spec called DVB-SH, short for digital video broadcast from satellite for handhelds.
2007-10-03 CCID: Address four issues to drive mobile TV growth in China
CCID Consulting in its latest report identified four key difficulties that must be overcome to propel the development of mobile TV in China.
2007-04-04 China's homegrown mobile TV spec gains chip support
Beijing Innofidei Technology claims that it has developed the first mobile TV chip based on a domestic specification called China Multimedia Mobile Broadcasting (CMMB).
2009-01-27 ZTE picks Apexone's amplifiers for advanced handsets
ZTE Corp., one of China's top handsets OEMs/ODMs providing mobile solutions to customers around the world, has selected Apexone Microelectronics' A7013 Class D audio amplifier.
2008-07-03 Will China mobile TV take off in time for Olympics?
Looks like China's much much-touted mobile TV broadcast service will crawl its way to the Beijing Olympic Games in August, as it is missing one leg.
2008-08-07 Trio collaborates on mobile TV chip for Olympics
SMIC announced that Telepath Technologies Co. Ltd successfully integrated its demodulator chip, TP3001, in a majority of mobile TV phones distributed at the 2008 Beijing Olympics.
2010-02-12 Subsidies to fuel China 3G handset market
Domestic shipments of 3G handsets in China are expected to rise by nearly a factor of six in 2010 driven by aggressive subsidies from wireless carriers that reduce consumer pricing for cellphones.
2007-04-17 STMicro supports China AVS standards
STMicroelectronics will initially take a software-based approach to decode China's Audio Video Coding Standard, using media processors in its existing STi520x and STi710x families that are used in IP STBs.
2010-09-10 Signal analyzer gets new test applications
Nine new measurement applications released for Agilent's CXA signal analyzer
2012-11-08 Nufront squares in on mobile apps processors
Nufront will try to outdo competitors in the apps processor market with wireless offerings such as its first-generation GSM/WCDMA 3G baseband chip.
2009-03-11 Multimedia processor packs DDR memory
Solomon Systech has launched the introduced the SSD1935 multimedia processor with a stacked DDR memory on-chip to significantly lower the total BOM cost of a portable multimedia device.
2009-09-14 Mobile TV RF tuners extend battery life
Analog Devices Inc. has beefed up its lineup of mobile TV RF product family with the introduction of what the company claims is the smallest terrestrial mobile TV RF tuners.
2008-09-30 Mirics bags design win in multiband TV receiver chip
Mirics has won its first design win for its FlexiTV multiband receiver chip from Taiwan wireless module specialist AzureWave Technologies, which is using it in a part in preparation for PC TV receivers.
2006-12-06 Mandating China mobile TV spec, bad move
China's move to force-feed a new mobile TV standard is a bad move and adds further pressure to implement some sort of mobile TV service by the 2008 Summer Olympics.
2008-12-08 Make way for software-based mobile TV
Armed with a reconfigurable multi-standard tuner IC, Mirics Semiconductor, a U.K.-based startup, claims that it still remains the only company offering a software-based TV and radio demodulator.
2007-01-01 Major China telecom picks AVS for IPTV rollout
AVS backers scored a significant victory when China Netcom picked it over H.264 for an IPTV rollout.
2011-02-28 ITE Tech., Alvand to co-develop frontend receivers
ITE Tech. and Alvand Technologies will co-design highly integrated, low power mobile TV frontend receivers.
2006-11-10 IPTV standards battle heats up in China
Backers of a domestic codec believe the nation's top telco will also switch away from H.264 and over to the Audio Video Coding Standard.
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