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On the decoding part of IQOYA X/LINK, a program is the decoding of an audio or MPX source to the audio or MPX outputs.
A program can be composed of three decoding priorities, with automatic switching from a priority to another in case the audio
source is lost. Audio sources of the decoding priorities can be:
●
an RTP stream (raw RTP),
●
audio inputs,
●
sound files or playlists stored locally.
For an output program defined to output an MPX signal, possible sources of a decoding priority can be:
- RTP IP stream carrying PCM MPX
- IP stream carrying µMPX format
- 192 kHz MPX sound file stored on a local SDHC card
5.3 IP services
IP services are the way programs are streamed over the IP network.
An IP service can be sent to one IP destination (unicast or multicast), or several IP destinations (multi-unicast or
multi-multicast). The main parameters that define an IP service are:
●
the streaming protocol: RTP for audio or uncompressed MPX, UDP for µMPX)
●
the FEC scheme (except for µMPX which FEC is selected in the Program).
●
the destination IP address and port. Several destination IP addresses and ports can be declared (multi-unicast /
multi-multicast).
When IQOYA decodes, it listens to IP services and unpacks the IP frames in order to extract and decode the audio contents.
6 INSTALLATION
6.1 Grounding IQOYA X/LINK-MPX
Attach a ground wire to the chassis (ideally the ground wire has a ring terminal). Connect the other end of the ground wire to
a good electrical ground point.
The equipment's PE (protective earth) and building's PE must be connected (use of a socket outlet with PE is required).
The sockets outlets to which the equipment is connected must be easily accessible.
Once IQOYA is installed and properly grounded, you can connect the Eth ports and audio I/Os as required for your
installation.
6.2 Connecting IQOYA X/LINK-MPX to the network
We recommend that the first connection to the IQOYA codec is done on a LAN. The default IP addresses of IQOYA X/LINK
Eth ports are:
●
Eth1: 192.168.0.100
●
Eth2: 192.168.1.100
●
Eth3: 192.168.2.100
●
Eth4: 192.168.3.100
In case you do not know the IP addresses of the IQOYA X/LINK unit you want to connect to, you can read its IP addresses
from the front panel (see paragraph "LCD display and keypad").
IQOYA X/LINK-MPX user manual
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