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Biamp goes to Court
The Adelaide Commonwealth Law Courts building represents one of the largest judicial A/V jobs to date. There are 22 courtrooms - including an Indigenous courtroom - in the new building which accommodates the High Court of Australia, Federal Court of Australia, Family Court of Australia and Federal Magistrates Court of Australia. A very advanced beam-steered loudspeaker design solution was chosen, allowing for the exact distribution of the audio, and for high levels of speech intelligibility and directionality within these very reflective and acoustically challenging rooms. A/V consultant Rod Louey-Gung and his team chose Biamp’s AudiaFLEX for the central processing because of the quality of its automatic microphone mixing and acoustic echo canceling algorithms – nothing else comes close, according to Rod. As well as input processing and matrixing, the AudiaFLEXes were also equipped as CobraNet models, and CobraNet was the chosen medium to send multiple channels of uncompressed audio down to the court recording and transcription centre located elsewhere in the building. There, further AudiaFLEX CM units passed the audio on to the FTR hard-disk recording systems. Currently, the annotation and transcription were both done on-site, but Auscript, the company responsible for these services, ultimately hopes to move this function to multiple remote locations. One of the defining features of the A/V solution was the use of beam-steered loudspeakers – an innovative way of controlling the dispersion of the audio signals from the loudspeakers in order not to excite the room and therefore lose intelligibility – something that happens in almost all courtrooms worldwide. Beam-steering is a very complex algorithm and only a handful of people worldwide are able to design these systems. Glenn Leembruggen designs arguably the world’s most advanced beam steered loudspeakers and luckily he is based close by in Sydney. Beam-steered loudspeakers require advanced processing as well as multiple channels of amplification, and Glenn chose to use Biamp’s NEXIA SP digital signal processing units for the processing and MCA8050 8-channel amplifiers for the amplification of each loudspeaker. The processing power and audio quality of NEXIA made it uniquely suitable for this job, while the competitive pricing and excellent quality of the MCA8050’s completed the picture.
The integration of audio, video, videoconferencing and control in these courtrooms is at a very high level and Rod Louey-Gung ensures that this is all done seamlessly and without fuss. He is very experienced in such integration and this skill-set becomes more and more salable as these three areas of a system increasingly converge. It was good to see AudiaFLEX, NEXIA and BIAMP amplifiers help facilitate such an excellent outcome at the Adelaide Commonwealth Law Courts building. Details: Site: Commonwealth Law Courts, Adelaide, Australia Biamp Equipment installed: Central Processing and Matrixing: AudiaFLEX CM (29 units in total) For more information please visit www.audioproducts.com.au or www.biamp.com.
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