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  • OVERVIEW

    The ADX-3981 from Grass Valley, a Belden Brand, is an advanced, high quality audio processor which de-embeds up to eight AES signals at 48 kHz from a 3G/HD/SD video signal. The ADX-3981 can simultaneously process up to 32 channels of audio (16 channels from the embedded audio input plus others generated internally). Functions include downmixing, proc amp, mixing and loudness measurement. Options include automatic loudness control and dynamic processing (limiter, compressor and expander). The ADX-3981 generates audio/video fingerprints (via an iControl option) to detect and measure lip-sync errors in a broadcast facility.