- A
voice frequency (VF) or
voice band is the
range of
audio frequencies used for the
transmission of speech. In telephony, the
usable voice frequency band...
- had
dropped to 60% by 2003, and
stood at 36% in 2006.[citation needed]
Voiceband modems were once the most po****r
means of
Internet access in the US,...
- The ITU-T V-Series
Recommendations on Data
communication over the
telephone network specify the
protocols that
govern approved modem communication standards...
-
legislative framework is in place,
expected by
ARCEP for
autumn 2009. The
Voiceband Dial-up
internet access offer counts for a very
small number of subscribers...
-
faster data
transmission over
copper telephone lines than a
conventional voiceband modem can provide. ADSL
differs from the less
common symmetric digital...
-
narrowband is
usually considered to
cover frequencies 300–3400 Hz, i.e. the
voiceband. In
radio communications, a
narrowband channel is a
channel in
which the...
-
reduce attenuation for
voiceband frequencies but
increase it on
higher frequencies. Load
coils reduce distortion in
voiceband on very long lines. In this...
-
resulting in a
pulse rate of 20 megabaud. The "connection speed" of a V.92
voiceband modem typically refers to the
gross bit rate,
since there is no additional...
-
multiplexor applied to
voiceband signals, and a low rate
encoding stage which exploits correlation between successive voiceband samples on an individual...
- in its V.Everything line,
released in 1996. With the
reduced usage of
voiceband modems in
North America in the
early 21st century, USR
began branching...