audio recording support

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Nerre
Posts: 100
Joined: Thu Sep 25, 2014 10:22 am

Re: audio recording support

Post by Nerre » Mon Jan 11, 2016 8:10 am

As I wrote before: If/when ZM is rewritten to record video, recording audio will most likely come "at the same price".

But today ZM does not record video, ZM saves JPEG images.

shinji2009
Posts: 6
Joined: Tue Dec 08, 2015 7:16 am

Re: audio recording support

Post by shinji2009 » Mon Jan 11, 2016 8:18 am

is that so?? o_O but why is this written on the homepage "It supports capture, analysis, recording, and monitoring of video data" and "Recent versions of ZoneMinder also include optional DVR (digital video recorder) functions allowing you to pause, rewind and even digitally zoom both live and historical video." and so on ?

Nerre
Posts: 100
Joined: Thu Sep 25, 2014 10:22 am

Re: audio recording support

Post by Nerre » Mon Jan 11, 2016 1:30 pm

It is probably mostly a matter of differences in what is considered to be "video" and "video data".

From what I understand: image analysis in ZM works with JPEG images, events are stored as JPEG images, event playback makes a video stream from those JPEG images.

shinji2009
Posts: 6
Joined: Tue Dec 08, 2015 7:16 am

Re: audio recording support

Post by shinji2009 » Mon Jan 11, 2016 1:47 pm

right now i am experiencing a lack of english words to express how frustrated i am)

FrAllard
Posts: 2
Joined: Fri Apr 15, 2016 1:21 pm

Re: audio recording support

Post by FrAllard » Fri Apr 15, 2016 2:44 pm

I know it is a little bit later after the last post, but here what will be my solution to sound recording. (Said will because I'm waiting on my cameras)

The cameras I choose are Hikvision DS-2CD2532F-IS and they have the ability to directly record to a NAS. So I will be recording the sub-stream with audio to my NAS and ZM will do its thing of actually detect motion that matter in high resolution. Then when an event occur and I need to have the sound I will go into my camera and look for the low resolution recording that include the sound.

I know it is not pretty, but for my residential usage that's going to be enough.

The substream will consume a maximum 1024 kbps which will result in about 11 GB of video files per day per camera if they record 24/7, I will decide later if I will let the camera record on motion only to limit the amount of data. Also using VBR will probably not use all the 1024 kbps all the time.

noise
Posts: 1
Joined: Sun Apr 09, 2017 5:44 pm

Re: audio recording support

Post by noise » Sun Apr 09, 2017 5:54 pm

Hi at All

i hope this feature comes in the near future :?:

nosferatu
Posts: 2
Joined: Tue Jul 17, 2012 2:44 am

Re: audio recording support

Post by nosferatu » Fri Aug 11, 2017 5:51 am

I am new to zoneminder, having been a BlueIris user for many years.
I have IP cams capable of doing audio and video (DLINK DCS 930L cams). These work great in BlueIris, but I was shocked to find that zoneminder does not seem to support audio at all.

I know my cams are sending audio, albeit as a separate stream from the video. Video is sent as /video.cgi or /mjpeg.cgi. Audio is send as /audio.cgi. Unfortunately, these cams do not have the ability to send h264 which might combine the audio and video, It would be a nice enhancement to zoneminder to add the option of specifying an audio stream path that could be saved along with the video. That would probably be simpler than having zoneminder transcode the video and audio streams into an h264 stream or another format. I'm not sure how BlueIris does it, but I think they do transcoding since the resulting saved video is in a proprietary pvr (bvr) format that includes video and audio. BlueIris also has the option of exporting recorded video as mp4 which also includes audio with the video.

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