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How To Setup Two-Way Audio On Your DVR / CCTV Camera World ...
https://www.cctvcameraworld.com/setup-two-way-audio-on-dvr/
To talk back to the person you would connect your own speaker to the RCA audio output on the back of the DVR. By using an audio amplifier, it is possible to use a PA speaker and connect it to the RCA audio output of one of our DVRs. Below is a quick video that demonstrates this two-way talk feature on one of our DVRs.
How to Enable Audio Recording and Streaming on your DVR ...
https://www.cctvcameraworld.com/enable-audio-recording-stream-dvr/
CCTV DVR Speaker Kit | DVR Audio Output Speakers (Set of 2)
https://ellipsesecurity.com/product/dvr-speak1-dvr-speaker-kit/
DVR-SPEAK1 DVR Speaker Kit for CCTV DVR’s. This Plug and Play DVR Speaker Kit works with just about any CCTV DVR that has a composite (RCA) Audio Output. Great especially if your monitor does not have audio or if your VGA monitor has the wrong audio input. Just hook these speakers to your DVR with the included adapter.
16 Channel Tribrid DVR with 16 Audio - CCTV Camera World
https://www.cctvcameraworld.com/16-channel-1080p-tribrid-dvr-16-audio.html
If you are using one of our IP cameras with built-in microphone, then this DVR can capture audio from those cameras as well. In total it can recorder 24 channels of video and audio, 16 from BNC cameras and 8 from IP cameras. The 16 Channel Security DVR XVR is truly the state-of-the-art in security DVR technology.
Amazon.com: security camera with audio: Electronics
https://www.amazon.com/security-camera-audio-Electronics/s?k=security+camera+with+audio&rh=n%3A172282
DVR Recorder for DVR Security Systems - CCTV Camera …
https://www.cctvcameraworld.com/cctv-security-dvrs.html
DVR recorders are security camera recorders that accept up to 3 different types of camera signal types. The first type is standard definition D1 and 960H camera commonly known as analog security camera.The second type of camera technology is HD security camera which allows a high definition video signal to be transmitted over RG59U coax cabling; some DVRs accept only …
audio recording / CCTV Camera World Knowledge Base
https://www.cctvcameraworld.com/audio-recording/
For the analog CCTV camera DVR and the HDCVI DVR it is necessary to enable audio recording through the user interface, whereas for IP cameras with built-in mic the NVR auto detects the presence of an audio stream. The quick guide below demonstrates how to enable audio recording and streaming on your DVR. Continue reading →
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