automatically detects to the cell phone and switch the input
from mode 2-paths (land lines) to 4-paths (cell phone).
•
An
audio compressor
in reception equals the sound level
for all lines, as well as originating on phone lines of high or
low level.
•
Audio limiter:
The transmission channel to the remote
speaker, has a band filter to eliminate frequencies below
250 Hz and above 2.500 Hz, to limit the return of signal.
Also, a peak limiter at the filter output increase the
perceived loudness at the other end of the line, freeing to
the operator from the level controls of the on-air console.
•
A
Priority System
reduces the level of the interviewed
people (the caller) when the local journalist interrupts them.
•
The
operation
is very
simple
and error free, despite its
security's logical and automated control circuits.
•
A
Recording Output
allows recording the conferences
directly from the hybrid. This output is a mix of the audio
coming from the phone lines and the hybrid's audio input
(audio from studio console).
•
Hold lines cue:
An output brings the audio of all hold lines.
1.1.2 HL203-VQ features
•
Wireless
link using Blue-tooth.
•
VQR
signal processing
to improve the audio quality of the
phone calls.
•
Expander-Gate
at the audio output; to reduce the
background noise present in most telephonic
communications, since the norms for telephony requires
dynamic ranges of 40 to 50 dB; while FM broadcasting
requires 70 dB.
•
Reception VU-meter, needle-type with back light.
1.1.3 Bluetooth
The HL203 supports audio transmission and reception using a cell
phone linked via Bluetooth.
Page 8
Telephonic Hybrids
SOLIDYNE