# RTMP live stream sound detection

**URL:** <https://community.wowza.com/t/rtmp-live-stream-sound-detection/39801>\
**Category:** Wowza Developer Dojo\
**Tags:** wowza-streaming-server-java-api\
**Created:** [January 11, 2013, 12:04pm UTC](https://community.wowza.com/t/rtmp-live-stream-sound-detection/39801 "2013-01-11T12:04:47Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![dan\_ionut](https://avatars.discourse-cdn.com/v4/letter/d/90ced4/32.png) [@dan\_ionut](https://community.wowza.com/u/dan_ionut)\
**Post date:** [January 11, 2013, 12:04pm UTC](https://community.wowza.com/t/rtmp-live-stream-sound-detection/39801/1 "2013-01-11T12:04:47Z")

</div>

I was wondering if there is any possibility to detect if a rtmp live stream has sound in wowza server-side code.

Thank you.

---

<div class="post-metadata">

**Author:** ![Richard\_Lanham](https://avatars.discourse-cdn.com/v4/letter/r/c68b51/32.png) [@Richard\_Lanham](https://community.wowza.com/u/Richard_Lanham)\
**Post date:** [January 11, 2013, 3:45pm UTC](https://community.wowza.com/t/rtmp-live-stream-sound-detection/39801/2 "2013-01-11T15:45:03Z")

</div>

You should be able to tell with IMediaStreamActionNotify3.onCodecInfoAudio(). Or you can tell if there is no sound if that does not fire.

[https://www.wowza.com/docs/how-to-use-imediastreamactionnotify3-interface-to-listen-for-rtmp-stream-events-includes-codec-info](https://www.wowza.com/docs/how-to-use-imediastreamactionnotify3-interface-to-listen-for-rtmp-stream-events-includes-codec-info)

Richard