Connecting Your Microphone to your Samsung DVR
I briefly went over a few ways to connect a powered microphone to the Samsung DVR's in the previous post, but even I found it to be a bit confusing with all the words and options.
This post is about using a powered microphone and a BNC cable to enable sound recording on a Samsung DVR.
As most of you who are reading this at the moment will know, Samsung no longer has any microphone-embedded security cameras any more. At best, the IP cameras and baby monitors are the only ones with sound recording. Because of this fact, most of us have turned to powered microphones since the DVR's actually do have sound ports in the back.
If you have a SDS or SDH
system, you'll see that you have 4 RCA ports on the back of the DVR labeled from 1 to 4. These ports are labeled "audio in" and can support the microphone feature as long as you have the know how. In the case you want to plug in a speaker, you also have the "audio out;" however, that's a story for another time.
The microphone that we currently sell is quite mainstream in the sense that most other vendors carry similar style microphones. As you can see here, it has a microphone (STS-240SMP), power plug, and an RCA plug. There are several different ways to install it, but we will be going over the BNC cable
The following are the required pieces: Powered microphone (STS-240SMP
), 2 x RCA adapters (SRC-450
), a DVR, desired length Siamese BNC Cable .
Sounds fairly simple enough so far, right? I'll go through these with
picture explanations so hopefully we can avoid losing anyone in this tutorial. The adapter I mentioned is an RCA to BNC connector (as seen below.) You'll need two at this point, one for each end of the BNC cable. These adapters will essentially be changing your coaxial tips to RCA male jacks.
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This animated picture (to the right) should show you exactly what I mean about converting your BNC coaxial tips. The first frame you see is your normal BNC cable. The adapters will clip into the coaxial portions of the cable and lock in. At that point, you've completed 1/4 of the procedure. Plugging those in completes 25% of the process; can't get much simpler than that.
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Next you'll be connecting your microphone to the cable. As this microphone is a powered microphone, the microphone requires a power source. Powered microphones generally have more power than your standard microphone so that's why they're favored when doing surveillance. At this point, you're half way done!
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The next step is connecting your remaining portion of the cable to the DVR and power source. This step is identical to how you would normally plug in your cameras. The only thing that
changes is the fact that you won't be plugging anything into the BNC port; rather, you'll be plugging it into the RCA port that was shown earlier. It doesn't really matter which of the 4 ports you plug the microphone into as you can select the microphone in the menu options, but there is an exception. If you are using a 4 channel system, you'll have to plug your mic into the correctly labeled port that is correlated to your camera as the 4 channels have already been preassigned. You'll only have the option of enabling or disabling the microphone feature.
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The last part of setting up your microphone is to actually enable it in your system. Once you've logged in with your password on your DVR, you'll be able to get into the Camera
section under Devices.
When you've gotten to this point, you'll see that there are several tabs and one of the columns is labeled "Audio." This is where you'll be assigning your microphone to your cameras. As mentioned before, a 4 channel system will only allow you to enable or disable as opposed to being able to assign your microphone to a certain camera.
When you click on the drop down menu for one of the tabs in the "Audio" section, you'll notice an array of numbers from 1 to 4. By associating a number in the "Audio" column with a channel as marked on the leftmost side column, you'll be assigning the microphone to record based on that channel. This is important because you don't want to back up video footage of one channel only to find out that you've associated the sound files with completely different footage. Below is a picture of the menu as mentioned above.
I hope this little tutorial was simple to follow for you. I tried to break it down as much as possible so that this "complicated" mess doesn't seem so complicated; because it really isn't when you look at it. It can be a bit daunting at first because you need this and that, but in the end you'll realize, just as I did, that it was just a few things being plugged in here and another few things being plugged in at the other end.
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