[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:comment-tabpanel&focusedCommentId=207585#comment-207585 ] 

Rusty Newton edited comment on ASTERISK-21901 at 7/1/13 3:44 PM:
-----------------------------------------------------------------

Reproduced in SVN-branch-1.8-r391778 (from this afternoon)
Attaching two files from reproduction.

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

* 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

Same test with app_record using speex (not speex16) results in a fine sounding audio file.
                
      was (Author: rnewton):
    Reproduced
Attaching two files from reproduction.

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

* 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

Same test with app_record using speex (not speex16) results in a fine sounding audio file.
                  
> 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, Codecs/codec_speex
>    Affects Versions: 1.8.20.2, 10.12.2
>         Environment: ubuntu linux
>            Reporter: Peter Katzmann
>         Attachments: 73.wav, 76.wav, record-failled.log, record-ok.log, speex16err.pcap, speextoRecord.txt, speextovoicemail.txt
>
>
> [Edit by RNewton: speex16 to app_record results in a bad sounding audio recording. speex works fine. See details in comments and attachments.]
> 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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