This week we will be discussing “Sound and Audio”. In addition, we have VGA adapter and a couple of Water cooled cards from EVGA as our hardware pick of the week To kick things off we have a bit of Tech news on a possible HDMI replacement technology. Listen to show for more information. We hope you enjoy this episode and remember to post your comments and questions on the forums.
HDMI Alternative? - http://news.yahoo.com/s/ytech_wguy/20100706/tc_ytech_wguy/ytech_wguy_tc3048
Feature - Audio
· Internal built in audio
· Discreet Audio Card
· Computer Speakers
· Audio/Video Receiver
Definitions and reference material
Dolby 5.1 Surround - http://www.dolby.com/professional/technology/pc/dolby-digital-51-creator.html
Dolby (Digital surround EX) 6.1 - http://www.dolby.com/professional/technology/home-theater/dolby-digital-surroundex.html
DTS formats: - http://www.dts.com/DTS_Audio_Formats/DTS_Audio_Formats.aspx
PCM - Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals, which was invented by Alec Reeves in 1937. It is the standard form for digital audio in computers and various Compact Disc and DVD formats, as well as other uses such as digital telephone systems. A PCM stream is a digital representation of an analog signal, in where the magnitude of the analogue signal is sampled regularly at uniform intervals, with each sample being quantized to the nearest value within a range of digital steps. PCM streams have two basic properties that determine their fidelity to the original analog signal: the sampling rate, which is the number of times per second that samples are taken; and the bit-depth, which determines the number of possible digital values that each sample can take.
LPCM - LPCM is used for the lossless encoding of audio data in the compact disc
Hardware Picks of the Week
USB VGA Adapter
From $50 to $70 after rebates from EVGA
Virtual Driver, not a GPU
Two new Hydro Cards from EVGA
GeForce GTX 480 ($650) and 470 ($480) Hydro Copper FTW
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