#10175 NORM 1.5-sof: Record-81 generates audio/ogg file with silent start of varying length

[Zarro Boogs per Child]

#10175: Record-81 generates audio/ogg file with silent start of varying length
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 Reporter:  Quozl            |                 Owner:  dsd                              
     Type:  defect           |                Status:  new                              
 Priority:  normal           |             Milestone:  1.5-software-later               
Component:  record-activity  |               Version:  Development build as of this date
 Keywords:                   |           Next_action:  diagnose                         
 Verified:  0                |   Deployment_affected:                                   
Blockedby:                   |              Blocking:                                   
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 Audio recordings contain silence before the captured audio.

 Reproducer:
  * start Record activity,
  * select Audio tab,
  * start recording and count seconds with voice,
  * stop recording at a count of five,
  * play back (there will be a period of silence in the played back
 recording),
  * stop Record activity,
  * locate the recording in Journal,
  * right-click, resume with, Jukebox, and the same period of silence is
 present,
  * ''copy-from-journal'', open the file in Audacity, the same period of
 silence is shown.

 The amount of silence varies.  It increases as further recordings are made
 in the same activity instance.

 First instance (one recording):

 ||''Test File''||''Recording time''||''Playback length''||''Prepended
 silence''||
 ||qk-a-1.ogg||~15 sec||40 sec||25 sec||

 Second instance (three recordings):

 ||''Test File''||''Recording time''||''Playback length''||''Prepended
 silence''||
 ||qk-b-1.ogg||~5 sec||22 sec||17 sec||
 ||qk-b-2.ogg||~5 sec||27 sec||22 sec||
 ||qk-b-3.ogg||~5 sec||44 sec||39 sec||

 XO-1.5 C1 os126 Record-81.

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Ticket URL: <http://dev.laptop.org/ticket/10175>
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