[asterisk-bugs] [JIRA] (ASTERISK-26581) codec_opus: Poor quality MOH when using DTX of FEC

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=233613#comment-233613 ] 

Asterisk Team commented on ASTERISK-26581:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> codec_opus: Poor quality MOH when using DTX of FEC
> --------------------------------------------------
>
>                 Key: ASTERISK-26581
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26581
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Codecs/codec_opus
>    Affects Versions: 13.12.1
>         Environment: Ubuntu 14.04. Asterisk 13.12.1
>            Reporter: Sam For
>
> If FEC with 10% packet loss OR DTX is enabled for Opus then MusicOnHold will sound extremely poor.
> Sounds recordings are attached to this ticket.
> These are the three codec settings that were tested:
> DTX & FEC at 10%
> [opus24]
> type=opus
> fec=yes
> packet_loss=10
> dtx=yes
> cbr=yes
> bitrate=24000
> complexity=8
> FEC at 10%
> [opus24]
> type=opus
> fec=yes
> packet_loss=10
> dtx=no
> cbr=yes
> bitrate=24000
> complexity=8
> DTX & FEC disabled
> [opus24]
> type=opus
> fec=no
> packet_loss=0
> dtx=no
> cbr=yes
> bitrate=24000
> complexity=8



--
This message was sent by Atlassian JIRA
(v6.2#6252)