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Introduction
6
P 64 Digital Audio Matrix
Owner’s manual
1.2 P 64 features
The P 64 is an all-purpose digital audio Matrix Manager with outstanding performance features.
A high quality system design provides excellent audio quality and clear sound, which is achieved
by the application of high-end 24 Bit A/D and D/A converters with 120 dB volume range, high-
quality input and output circuits in the analog domain and digital signal processing with optimized
48 bit double-precision algorithms. Hence, the P 64 is even particularly suitable for demanding
applications in theatres, concert halls, big churches etc.
The P 64 is highly flexible due to the modular hardware design which renders many other
applications possible. Four slots with 8-channel audio modules at the rear of the device offer up
to 32 local audio channels. Each slot can be equipped either with an audio input module or an
audio output module. So, various configurations (e.g. 8-in/8-out, 8-in/16-out, 8-in/24-out, 16-in/
16-out, 24-in/8-out) can be realized in only one single device. In addition, P 64 can be equipped
with a CobraNet™ network module. Therefore, several P 64 can be integrated in a network and
be connected to a large, sophisticated system.
The signal processing in the P 64 is effected on powerful audio signal processors where,
depending on the stage of expansion, up to 8 DSPs are available. The software contains a
multitude of freely programmable signal processing components. Among other things, these are
filters with all possible characteristics, parametric and graphic equalizer, crossover network,
matrix router and matrix mixer, delays, dynamic functions, etc. Diverse configurations can be
created by combining and connecting these DSP blocks. The programming is done via the PC
software IRIS-Net. With that, you choose the desired components from a signal processing
library, place them in a working area on the screen and wire them to a signal flow chart. Thus, the
resulting DSP configuration has only to be transferred to the P 64 and is ready for immediately
use.
The powerful signal processing allows complex configurations for the adjustment and control of
the sound system, depending on the application or type of event. Thus, the sonic quality of PA
speakers, monitor speakers, front fill systems as well as of the sound reinforcement of adjoining
rooms, lobbies, areas for the staff etc. can be optimized and tuned individually. In other words,
the P 64 copes with every application - even with large and complex systems - absolutely exactly
and reliably.
In addition to the audio processing, the P 64 is equipped with diverse control functions. The
scheduling with calendar function makes it possible to program one-time or recurring events. The
recurrence can occur annually, monthly, weekly, daily, hourly or even within smaller time
intervals. Furthermore, daily programs can be set up and can also be combined to weekly
operations. With the event control, reactions to certain events or system states can be
configured, e.g. in case of overstepping or undershooting of threshold values. Faults in the
device or in the complete P 64 system are detected automatically and can be displayed on the
PC screen or transmitted to external sites if necessary.
Faults and other events are recorded in an internal log file with date and time. Furthermore, it can
be defined which types of errors or events should be recorded. The log can be read out and
displayed on the screen at any time. In P 64 individual functions can be integrated into complex
operations. For example, several parameters can be set with various values or states in a scene
and can be changed manually or automatically at any time.