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Thread: Transmit audio to IP camera

  1. #1
    Join Date
    Mar 2013
    Posts
    3

    Default Transmit audio to IP camera

    Hello! Is there any way to transmit audio from microphone to IP camera (Axis) using Wowza and Flash?

  2. #2
    Join Date
    Dec 2007
    Posts
    21,962

    Default

    Maybe. This document links to Axis Audio API

    Audio API
    Supported from firmware 5.00

    This document explains the basic arguments and parameters to send, receive and configure an audio stream using HTTP or RTSP requests.
    So, it seems conceivable that you could use Wowza PushPublish in some way. I am not sure.

    Richard

  3. #3
    Join Date
    Sep 2011
    Posts
    1,934

    Default

    Hi,
    Please can you rephrase the question.
    I assume you're wanting to inject audio into a stream Wowza is receiving from an IP camera which does not have an audio track.

    When playback clients play the IP camera stream from Wowza, you want this stream to have audio and video?
    If so, please see the following article - Adding An Audio Track To A Video-Only Stream (ModuleAddAudioTrack)

    Jason

  4. #4
    Join Date
    Mar 2013
    Posts
    3

    Default

    No, i just want to send audio from microphone to IP camera with loud speakers.

    In Audio API manual of Axis cameras is written that i need to send audio data by http to http://<servername>/axis-cgi/audio/transmit.cgi.
    Like this:
    POST /axis-cgi/audio/transmit.cgi HTTP/1.0
    Content-Type: audio/basic
    Content-Length: 9999999
    Connection: Keep-Alive
    Cache-Control: no-cache
    Authorization: Basic cm9vdDpwYXNz
    <Audio data>
    <Audio data>
    <Audio data>
    Is it possible to create audio stream on Flash client, and forward it to Axis camera using Wowza?

  5. #5
    Join Date
    Sep 2011
    Posts
    1,934

    Default

    Hi
    It depends on the codec the camera supports and what Flash can generate to match.
    I think it's possible if the codec supported is MP3 or AAC on the camera.

    This would require custom work on your part. If required you can post in the Find a consultant forum or email support@wowza.com requesting the independent consultants list.

    Jason

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