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Community Launches New DXP4800 Digital System Controller
Community Professional Loudspeakers has announced the launch of the new DXP4800, a Digital System Controller that provides precision digital signal processing for Community full-range and subwoofer loudspeaker systems. The DXP4800 can also be used as a generic DSP device for other loudspeaker products.
New system configurations are possible with the abundant number of audio channels. The 4 inputs and 8 outputs allow stereo 4-way, stereo 3-way + mono 2-way, 4 bi-amp mixes and 8 channel zone capability. The DXP4800 enables the audio engineer to come up with creative system architectures via the 4 x 8 matrix feature and programmes allow for fast A/B comparison. The matrix feature allows any of the four inputs to be assigned or mixed to any output.
The audio converters in the DXP4800 are carefully selected for no compromise performance in signal reproduction, distortion and noise. The sampling rate is 96 kHz and signal-to-noise ratio is optimized at around 115dB (unweighted). The employed DSP is a true 32-bit (40-bit extended) floating point DSP (600MFLOPS peak). Floating point DSP prevents induced noise introduced by the truncation error resulting from fixed-point calculations. With the DSP word length of 40-bits it further increases the dynamic range, hence preserving the original signal as much as possible.
The performance is far superior to the 24-bit fixed point DSP's that are widely used in the industry today. The DXP4800 can be controlled via front panel controls or remotely by PC via RS232. The firmware of the unit can be flash upgraded when new features become available, eliminating frequent upgrade of the hardware for new software functions.
4th November 2004
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