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Blind Separation of Speech With a Switched Sparsity and Temporal Criteria
White Papers A Blind Signal Separation algorithm (SCAtemp) that exploits both the sparse time-frequency representation and temporal structure of speech is proposed. SCAtemp compares each speech signal's adherence to the sparsity and temporal criteria, before...
[May 31, 2007, 1:00]
Blind surfers win concessions from travel sites
News Priceline.com and Ramada.com have agreed to make their Web pages easier to navigate for the blind and visually impaired as part of a settlement with New York Attorney General Eliot Spitzer. The settlement, announced on Friday, is designed to bring...
[August 23, 2004, 8:25]
Blind Israeli hacking brothers baffle authorities
News A pair of blind computer-mavericks from Israel have been detained and charged with cracking into the Israeli Defence Force radio station using customised braille and voice-activated gadgetry. Munther and Muzhir Badir have been blind since birth but...
[October 22, 1999, 11:36]
Blind brother hackers appear in court
News Three Israeli brothers -- all blind, all hackers -- appeared in court in Israel Tuesday accused of 42 separate cyber-crimes. All three brothers have been blind since birth but were able to weave their computer wizardry thanks to specially created...
[November 2, 1999, 14:02]
Blind and Semiblind Spatio-Temporal Diversity for OFDM Systems
White Papers A blind method is firstly proposed for the maximization of the temporal Signal to Noise plus Interference Ratio (SNIR) in frequency selective channels exploiting the temporal redundancy introduced by the Cyclic Prefix (CP).
[April 14, 2007, 1:01]
Blind man faces prosecution for listening to child porn
News A blind South African man may be the first person in the world to be prosecuted for accessing child pornography on the Internet without looking at it. The blind suspect could be the first person in the world to receive a prison sentence for...
[June 25, 2001, 18:24]
Blind Carrier Frequency Offset Estimation in SISO, MIMO, and Multiuser OFDM Systems
White Papers Relying on a kurtosis-type criterion, a low-complexity blind carrier frequency offset (CFO) estimator is developed for orthogonal frequency-division multiplexing (OFDM) systems. The paper demonstrates analytically how identifiability and...
[March 30, 2005, 3:00]
A Year Ago: Blind brother hackers appear in court
News Blind Israeli brother hackers accused of 42 cybercrimes Three Israeli brothers -- all blind, all hackers -- appeared in court in Israel Tuesday accused of 42 separate cybercrimes. All three brothers have been blind since birth but were able to...
[November 2, 2000, 6:16]
A Blind Frequency Offset Estimator for OFDM/OQAM Systems
White Papers A new blind carrier frequency estimator is introduced herein for OFDM- /OQAM systems by exploiting the non-circularity of the received signal. Like other OFDM-like systems, OFDM/OQAM systems are very sensitive to carrier frequency offset.
[April 11, 2007, 1:01]
Anti-spam tricks block the blind
News But it is also increasingly hindering the progress of Web surfers with visual disabilities -- raising the ire of advocates for the blind, spurring plans for alternatives from a key Web standards group, and eliciting warnings from legal experts who...
[July 2, 2003, 13:28]
Minimum-Output-Energy Method for Blind Equalization of OFDM and Systems With Sufficient or Insufficient Cyclic Prefix
White Papers In this paper, a new blind equalization method is proposed for systems with cyclic prefix such as OFDM. With constrained Minimum-Output-Energy (MOE) optimization, a bank of equalizers can be derived without the help of FFT/IFFT.
[April 11, 2007, 1:01]
CCNA Curriculum No Barrier to Motivated Blind Student
White Papers For Tony, who was born blind, the lab-oriented nature of the Cisco classes might have posed an insuperable barrier. Tony McCloskey did something rather unusual, even though he already had a degree in electrical engineering; he enrolled in the Cisco...
[April 13, 2007, 1:01]
Generalized 8-PSK for Totally Blind Channel Estimation in OFDM
White Papers Most blind channel estimation approaches are based on higher order statistics and converge slowly, making them unsuitable for mobile environments. The concept of totally blind channel estimation makes pilots completely unnecessary and even works in...
[October 21, 2004, 0:00]
Totally Blind Channel Estimation for OFDM on Fast Varying Mobile Radio Channels
White Papers A new blind channel estimation scheme for OFDM-systems is proposed based on the ML-principle. A novel approach is also proposed for resolving the phase ambiguity of the blind channel estimate without the need for any reference symbols.
[April 13, 2007, 1:01]
Robot-busting ploy 'shuts out the blind'
News This type of visual verification comes at a huge price to users who are blind, visually impaired or dyslexic," W3C Web accessibility specialist Matt May wrote in the draft. An increasingly popular robot-busting technique shuts out the visually...
[November 7, 2003, 14:15]
Word docs for the blind
Talkback So now Microsoft is preying on the blind, trying to get an, as yet, unproven format in place. How low can they go? Greed can be an all consuming force.
[November 15, 2007, 13:04]
Olympics Web site riddled with blind spots
News He did, however, point to individual pages of the Web site -- the opening page, sport schedule page and torch relay page -- all of which contained images no blind user would know were there. Complainant Bruce Maguire, who is blind, first made the...
[August 9, 2000, 13:22]
A Comparison of Blind Channel Estimation Schemes for OFDM in Fading Channels
White Papers This paper brings together three recently proposed blind detection schemes which are specific to Orthogonal Frequency Division Multiplexing (OFDM) systems. The aim is to study the performance of these schemes in fading channels and thus give a...
[April 14, 2007, 1:01]
Xerox copier can 'talk' to the blind
Talkback need to know about blind people
[February 20, 2005, 10:23]
Poker Blind Timer
Downloads This Poker Blind Timer controls blinds increases allowing to determine how often they increase, breaks and duration of breaks, playercount, chipcount. It plays a warning sound one minute before the blinds increase and every blind modification.
[August 18, 2008, 8:00]
