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MADI 1
This MADI port (switchable between coaxial or optical input connections using the front panel Touch
Screen) provides users with up to 64 channels of MADI I/O for use with the system. The signal sent to
the MADI Outputs (both Coaxial and Optical are available simultaneously) are configurable in blocks of
8 channels and can be sourced from any other module in the Horus.
MADI 2 (Expansion Slot)
An expansion slot allows a second MADI card to be fitted into the Chassis, bringing the total MADI I/O
up to 128 channels. When using the RAVENNA connection to deliver sound to your Pyramix or Ovation
system, this increases the total possible Inputs and outputs in a single Pyramix/Horus combination to a
mind-boggling 176 x 178 channels (combined Analogue/AES/MADI).
AES-EBU
3 x D-SUB25 connectors providing 24 channels (12 AES pairs) of AES-EBU I/O are Included as
standard (as is the MADI 1 module).
Signal routing paradigm
Horus is quite possibly the most flexible audio interface ever designed. Users can literally route any
input signal to any output module. Better yet, it can route any input signal to any combination of output
modules. Routable in blocks of 8 channels, a user can send 8 Mic Inputs to 8 AES outputs. At the same
time these 8 mic inputs can also be sent via the MADI outputs and included in the RAVENNA stream.
RAVENNA IP Audio
Using RAVENNA IP audio, Horus can connect to a standard network, using off the shelf switches and
other IT technology to become a node on a LAN. From that point, any other RAVENNA node can
receive information from and deliver information to, any combination of RAVENNA devices on the
network. It is a revolution in Audio technology and will soon mean the end to costly audio routers and
matrices and allow any facility an immense amount of flexibility. From Broadcast and TV/Film post-
production, to music, live events, theatres, cruise ships and many more applications, the RAVENNA
Enabled Horus interface will reinvent how systems come together.
Synchronization and Control information
Audio is not the only information that can pass down the RAVENNA connection. Horus is able to send
sync and control information such as LTC/MIDI/RS-422 and GPIO down the same wire to and from the
Horus unit.
Key Specifications
Please see the sections below for the measurement performed on the circuitry inside the Horus unit.
Horus Modules Capabilities
Modules
AD standard AD premium DA standard DA premium
√
44.1/48kHz
√
88.2/96kHz
√
176.4/192kHz
DXD/384kHz
DSD64
DSD128
DSD256
* The Headphone gain slider for level adjustment is not supported
Horus Modules Latencies
Modules
AD standard / premium
44.1/48kHz
88.2/96kHz
176.4/192kHz
DXD/384kHz
* The DA Slow Roll Off filter has 9 samples latency and the Sharp Roll Off filter has 36 samples latency
√
√
√
√
√
√
√
√
√
√
DA standard / premium
15 samples
9 samples* (Slow Roll Off)
10 samples
9 samples* (Slow Roll Off)
8 samples
9 samples* (Slow Roll Off)
8 samples
9 samples* (Slow Roll Off)
www.merging.com/horus
Headphone
MADI
√
√
√
√
√
√
√
√
√
√ *
√
√ *
√
Headphone
MADI
15 samples
3 samples
8 samples
3 samples
8 samples
3 samples
8 samples
3 samples
Horus User Manual
AES
√
√
√
√
√
√
√
AES
3 samples
3 samples
3 samples
NA
Page 26
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