System overview, Voice (narrowband and wideband), Ystem – Vortex Media VTX 1000 User Manual

Page 8: Verview

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S

YSTEM

O

VERVIEW

Below are three system examples that illustrate the signal flow between a Vortex device and a
SoundStation VTX 1000.

V

OICE

(N

ARROWBAND AND

W

IDEBAND

)

Here, a local talker uses a Vortex device and a SoundStation VTX 1000 to send audio, both narrowband and
wideband, to a remote person via the Public Switched Telephone Network (PSTN). We will assume that
the Remote Talker has a SoundStation VTX 1000 and can receive wideband calls. The Vortex device
receives audio from a microphone in the local room and sends the remote speech to a loudspeaker also in
the local room.

8

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