[asterisk-bugs] [JIRA] (ASTERISK-21901) speex16 call to app_record with wav format results in a playable, but horrible sounding audio file

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-21901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-21901:
------------------------------------

    Attachment: speextovoicemail.txt
                speextoRecord.txt

Reproduced
Attaching two files from reproduction.

files include CLI"core show channel" output and shell "# file <filename>" output for two scenarios:

* call from jitsi (speex16) to Asterisk(sip user set to speex16 only) and app_record (with options ".wav,,,k")

* call from jitsi (speex16) to Asterisk(sip user set to speex16 only) and app_voicemail (voicemail.conf configured for wav49|gsm|wav)

Both result in recordings.

The recording resulting from app_record is playable but sounds horrible and is mostly unintelligible.

The recording resulting from app_voicemail is playable and sounds fine.

See respective files for details

speextoRecord.txt
speextovoicemail.txt
                
> speex16 call to app_record with wav format results in a playable, but horrible sounding audio file
> --------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-21901
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21901
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_record
>    Affects Versions: 1.8.20.2, 10.12.2
>         Environment: ubuntu linux
>            Reporter: Peter Katzmann
>            Assignee: Peter Katzmann
>            Severity: Critical
>         Attachments: 73.wav, 76.wav, record-failled.log, record-ok.log, speex16err.pcap, speextoRecord.txt, speextovoicemail.txt
>
>
> A call is forwarded from server b to server a fro voicemail recording
> codec is speex16
> recording sound like a drunken robot
> asterisk cli is very unresponsive/slow during recording
> when if force speex or ulaw/alaw is codec recording is good.

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