Technology

Indexing Voice and Video

Hossein Eslambolchi CTO/CIO of AT&T shared their “Miracle”, literally speaking. Based on an AT&T lab research work to index video and voice, it offers a variety of interesting application, such as indexing movie clips and allow searching of a word/phrase said in a TV programe. Or indexing a voice conference and search segment of the […]

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Technology

SHA-1 broken

From Bruce Schneier: SHA-1 has been broken. Not a reduced-round version. Not a simplified version. The real thing. The research team of Xiaoyun Wang, Yiqun Lisa Yin, and Hongbo Yu (mostly from Shandong University in China) have been quietly circulating a paper announcing their result SHA is a US standard hash function which is used […]

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Open Source Technology

More on Software Patents

Remember my rant about Software Patent few months back? Dealing with ‘non-bogus’ patent are tough, especially if it is held by non-OSS-friendly company, like Microsoft. (Microsoft have huge patent portfolios btw, but so far, they have not use it aggressive against competition yet). This is where we need a ‘Cold War’ in software patents – […]

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Technology

DoCoMo achieves 1Gbps in 4G trials

From Telecom.com The operator said the 4G equipment employs variable-spreading-factor spread OFDM radio access and multiple-input-multiple-output multiplexing techniques, achieving 1Gbps data transmission with 100MHz bandwidth in the downlink. DoCoMo said it achieved 100Mbps and 20Mbps data rate transmission in the downlink and uplink respectively in outdoor tests moving at speeds of about 30km/h.

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