The AUD-1 audio accessory is an external adapter that connects directly to the accessory port of compatible Pelco devices. The AUD-1 is
compatible with Spectra® HD Series dome systems and all Sarix™ camera models that do not have built-in audio.
The AUD-1 audio accessory is designed to work with microphones that provide a line-level output (+4 dBu). The AUD-1 provides 12 VDC for microphones that require it, but a preamplifier is required for microphones that require more power. The AUD-1 encodes audio from the microphone into a digital G.711 format. The audio can be streamed with the video to be played back and recorded at the headend. The AUD-1 can also receive the G.711 digital audio from the headend and convert it to an analog signal to be played through a speaker.
The AUD-1 audio accessory can be used in conjunction with the ALM-1 alarm accessory. If the Pelco device has only one accessory port, a USB hub is required.
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