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   RTSP & h.264

   A) AAC (recommended, higher quality)
or
   B) alaw or ulaw (G.711)

   A) Do you want to capture ambient sound, such as background noise, birds, and similar sounds? Then, you will most probably be okay with a built-in microphone.

   B) Do you want to have a crisp sound with low noise, hear every word, or broadcast a conference, concert, or another event? Then, use an external microphone or even a professional sound mixer with 3,5mm or RCA cable.

Any microphone with a 3,5 mm plug or RCA will work. RCA microphones typically offer higher quality. Microphones optimized for security cameras exist as well, e.g.:

👉We have had a great experience with AXIS V59. It has fluent 30x PTZ (managed via the camera's web interface or over IP and SDI ), and XLR inputs for high-quality audio - so it's easy to connect the output from your sound mixer to a camera. It has also HDMI output so you can use a camera in your video mixer as well.

💡If possible, use Angelcam-ready or Angelcam-powered cameras - most models from AXIS and many models from HIKVISION are supported, and you will get Plug'n'Play, secure, and reliable connection (no need for port-forwarding).

In case none of the listed models works for you, use AngelBox.
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​Professionals can use, if needed, while not recommended, port-forwarding as well.
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If you need help picking a specific model, please contact your local security dealer or explain your needs in our community forum. Camera dealers (and our team as well) are answering! 

😇 We are here to help

Just say hello@angelcam.com or check out Angelcam Community to connect with other users sharing their experiences and insights into various security topics.