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HD - Sound in telephony - Unmatched voice quality in VoIP telephones
HD-Sound in telephony uses wideband technologies to offer a transmission range of 50 Hz to 7.0 kHz or beyond. This article explores the hurdles associated with delivering HD performance in telephony, and its potential new applications. Details... more...
"Loudspeakers" authors respond to feedback
The authors of "Loudspeakers: The effects of amplifiers and cables" respond to some reader feedback on the article series. Details... more...
Frame grabber combines compression, motion detection
Sensoray’s latest USB model 2251 frame grabber converts an NTSC- or PAL-composite analog-video source into an MPEG stream along with optional synchronized audio all in 1.5×3.5-in. form factor. Details... more...