Recent content by nmn

  1. N

    Send voice wav file to Hikvision horn speaker DS-PA0103-B

    I like to send a voice wav file to DS-PA0103-B to voice out from the ip speaker. Found a few discussion for Hikvison camera for implementing as twowayaudio. How can I implement the same thing for DS-PA0103-B speaker? May I know the url format? USER:PASS@IPCAM/ISAPI/System Or any reference I can...
  2. N

    Sending audio file to Hikvision camera

    This is the output for the command and no voice came out. Why voice didn't come out? atic@ubuntu:~$ curl --digest -V "application/binary" -X PUT -d @alert1.wav admin:xxxx@xxx.xxx.1.64/ISAPI/System/TwoWayAudio/channels/1/audioData curl 7.68.0 (aarch64-unknown-linux-gnu) libcurl/7.68.0...
  3. N

    Sending audio file to Hikvision camera

    I am trying to send a .wav file to a Hikvision camera to make alert voice at camera. The camera is activated for twowayaudio as below. Twoway audio is activated with ourputs as below. Then when I send audio file Why there is Unauthorized error?
  4. N

    Post audio to Hikvision ip speaker DS-PA0103-B

    I like to send audio mp3 file to ip speaker DS-PA0103-B . May I know what is the http format for DS-PA0103-B ? The following url has discussion for using curl POST to send audio to Sercomm RC8021 camera. I like to know same format to ip speaker. May I know the format or any sample?
  5. N

    CCTV streaming has distortion

    ic thanks
  6. N

    CCTV streaming has distortion

    So how you solved for this old problem?
  7. N

    CCTV streaming has distortion

    I am streaming from 4 CCTVs to my device and one camera has bad noises. I used gstreamer to stream. Three CCTVs are ok, but one has bad noises. That CCTV has also been streamed to NVR from mainstream and at display it is fine. My device is streaming from substream and image has a lot of noises...
  8. N

    Streaming IP camera images from NVR for Hikvision

    Yes thanks. I can stream now. I need to add User at network setting and enable ONVIF.
  9. N

    Streaming IP camera images from NVR for Hikvision

    I use VLC player and set the RTSP url at VLC. Codec I need to check.
  10. N

    Streaming IP camera images from NVR for Hikvision

    I have Hikvision NVRs and IP-cameras at my office. I am doing streaming images from ip-camera. Ip-cameras are connected to NVR. I have 10 NVRs and each NVR has 20 ip-cameras. I like to stream images of one ip-camera from one of the NVRs. All NVRs are connected to Network switch. I connect to...