8
Nyquist C4000 User Guide
Managing Audio
With Nyquist’s audio file management feature, you can:
• Specify an audio program for distribution to stations or zones.
• Record and play tones and announcements to stations or zones.
Audio programs for distribution to stations or zones can include line-input from the MMPA, Nyquist
2-channel or 4-channel amplifiers, user-supplied songs via playlists, and Internet Radio Services. The
Audio Distribution, tones, and announcement files added through the audio file management feature
can be set through the Schedules feature to automatically play during specified times. Through the
Internet Radio Services, you can listen to live radio stations and add media catalogs and music services
without updating devices or software.
Default tone and song files include white noise and pink noise that allows you to tune paging and audio
distribution volumes.
Note: Before using the audio file management feature, make sure that stations and zones have been
configured and that the station you are using to launch announcements, tones, or Audio Distribution
has the appropriate Class of Service (CoS) parameters set. The navigation bar does not appear if you are
not authorized to make changes to the C4000 configuration. Contact your system administrator or refer
to the Nyquist C4000 System Administrator Guide.
Audio Distribution
Suppose you want to use an audio source, such as a radio station accessed via the Internet, in a cafeteria
but prevent that source from being played in a conference room. This feature, called Audio Distribution,
can be turned on by zone (an area or group of stations) or stations (group of devices such as VoIP
speakers). You can add the speakers, or stations, in the cafeteria to a zone that allows Audio Distribution
while the speakers in a conference room would not be placed into that zone.
Audio Distribution involves creating a playlist or selecting an input source and specifying which zones
hear the playlist or input source. Through the Scheduled Audio feature, Audio Distribution can be tied
to a specific event in a schedule. (For information about creating events, refer to the Nyquist C4000
System Administrator Guide.)
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