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Published byMiriam Worland Modified over 10 years ago
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Designing Audio for AV Applications
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Professional Audio Consultants UK Distribution & Wholesale
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Audio Solutions Background music Presentation Speech Speech Reinforcement Teleconferencing Surround Sound
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Background Music: Audio source Amplifier mixer Ceiling speakers or Wall mount speakers or In wall speakers
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Room dimensions Speaker size and type Look, size and power for application Room properties Choosing appropriate equipment Speakers
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Genelec 1036A Active studio monitors
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Choosing appropriate equipment for the application: Amplifiers Integrated amplifier Professional power amplifier Professional DSP and Network linked amplifier AV amplifier
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Hi-Fi Integrated Amplifier: Low cost Rack mountable units available Multi source inputs with IR remote Remote volume control 2 x speaker outputs
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Professional power amplifier Balanced connections Bridged mono option Lo Z or 100V
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Combined mixer/amplifier 100 volt or low impedance
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Pro amplifier networkable with DSP
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DSP software for amp monitoring and control
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Advantages of Balanced Audio Noise cancellation +4dB operating level Impedance balancing High signal-to-noise ratio Cable runs up to 100m 5 metre limit -10dB operating level
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100v line amplifiers & speakers Daisy chain by parallel wiring Individual speaker tapping Number of speakers limited only by amplifier headroom and the tappings Transformer version ceiling speaker
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Low impedance amplifiers Amp = 4 ohm 2 x 4 ohm speakers Or 4 x 8 ohm speakers Or 8 x 16 ohm speakers Better quality, stereo option or bridge mono
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Presentation Speech Microphone choice Speaker Choice Signal Processing
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Microphone & Speaker positioning 3.5 watts7.5 watts15 watts Speech Presentation
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Feedback Loops Mic Choice Pickup patterns Graphic Equalisers Feedback Eliminators
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Speech Reinforcement Boundary table top mics Mic & Speaker placement
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Automatic Microphone Mixers Noise Gates Compressors/Limiters Microphone Choice
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Wireless microphone & Speaker for speech reinforcement
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Multiple Zones
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BSS Soundweb DSP unit
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Denon DNA 7100 Genelec active surround 5.1 system
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