Alan Freedman -- The Computer Language Company - Computer Desktop Encyclopedia
Computer Desktop Encyclopedia
Longest-Running Tech Reference on the Planet

A CDE Definition

You'll love The Computer Desktop Encyclopedia (CDE) for Tech Term of the Day (TTOD)

LOOK UP ANOTHER TERM


G. standards

The following is a summary of digital voice standards as well as DSL standards from the ITU. The voice standards are used in the speech codecs that sample voice and convert it into digital code. The DSL standards are used to convert telephone lines to data lines. See G.711, G.bond and DSL.


 VOICE STANDARDS

 Codec            --- Rates ---
 G.       Coding  Sampling  Bit
 Number   Method    (kHz)  (kBps)

 G.711    Mu-Law PCM  8   64

 G.711    A-Law PCM   8   64

 G.721    ADPCM       8   32

 G.722    ASPCM       7   48/56/64

 G.722.1  MLT        16   24/32

 G.722.2  ACELP      16   6.6 to 23.85

 G.723    (withdrawn)

 G.723.1  MP-MLQ      8   6.3

 G.723.1  ACELP       8   5.3

 G.726    ADPCM       8   16/24/32/40/64

 G.727    ADPCM       8   16/24/32/40/64

 G.728    LD-CELP     8   16

 G.729    CS-ACELP    8   8


 DSL STANDARDS (See DSL).

 G.991.1  HDSL

 G.991.2  SHDSL - Single Pair HDSL

 G.992.1  ADSL

 G.992.2  Splitterless ADSL

 G.992.3  ADSL2

 G.992.4  Splitterless ADSL2

 G.992.5  ADSL2+

 G.993.1  VDSL

 G.993.2  VDSL2

 G.994.1  Handshaking Procedures

 G.995.1  Overview

 G.996.1  Test Procedures

 G.997.1  Physical Layer Management

 G.9700   Gfast
 G.9701   Gfast





Personal Use Only

Before/After Your Search Term
BeforeAfter
FYIG.711
GG.721
G-byteG.722
G-DriveG.723
G/LG.723.1
G-listG.726
G-OSG.727
G SuiteG.728
G-SyncG.729
G+G.729.A

Terms By Topic
Click any of the following categories for a list of fundamental terms.
Computer Words You Gotta KnowSystem design
Job categoriesUnix/Linux
Interesting stuffPersonal computers
InternetIndustrial Automation/Process Control
Communications & networkingAssociations/Standards organizations
HistoryDesktop publishing
Audio/VideoGraphics
MainframesSecurity
ProgrammingHealthcare IT
System design