# AC3 decoding support - all patents expired

**URL:** <https://community.wowza.com/t/ac3-decoding-support-all-patents-expired/50090>\
**Category:** Wowza Streaming Engine\
**Tags:** transcoder\
**Created:** [November 8, 2017, 11:25am UTC](https://community.wowza.com/t/ac3-decoding-support-all-patents-expired/50090 "2017-11-08T11:25:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Przemyslaw\_Sobala](https://avatars.discourse-cdn.com/v4/letter/p/977dab/32.png) [@Przemyslaw\_Sobala](https://community.wowza.com/u/Przemyslaw_Sobala)\
**Post date:** [November 8, 2017, 11:25am UTC](https://community.wowza.com/t/ac3-decoding-support-all-patents-expired/50090/1 "2017-11-08T11:25:23Z")

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Hello

Can AC3 decoding support be added to Wowza Transcoder as all patents related to AC3 expired in 2017-03-19?

sources:  
[https://web.archive.org/web/20170401170436/https://ac3freedomday.org/](https://web.archive.org/web/20170401170436/https://ac3freedomday.org/)  
[https://www.cnx-software.com/2017/02/10/dolby-digital-ac3-us-patent-has-expired-on-february-1-2017/](https://www.cnx-software.com/2017/02/10/dolby-digital-ac3-us-patent-has-expired-on-february-1-2017/)  
[http://www.networkedmediatank.com/showthread.php?tid=74212](http://www.networkedmediatank.com/showthread.php?tid=74212)

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**Author:** ![Andrew\_Ramberg](https://avatars.discourse-cdn.com/v4/letter/a/7c8e57/32.png) [@Andrew\_Ramberg](https://community.wowza.com/u/Andrew_Ramberg)\
**Post date:** [November 10, 2017, 2:50am UTC](https://community.wowza.com/t/ac3-decoding-support-all-patents-expired/50090/2 "2017-11-10T02:50:21Z")

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Hello,

I will add your transcoder AC-3 request to our feature request backlog. Our Product Development Team does review all requests but we don’t have a timeframe on when this may be added.

Best regards,  
Andrew