[Freeswitch-users] uuid_record

[Michael Jerris]

We have a long history of known issues with Ubuntu 12.04 including known kernel timing issues.  I strongly recommend switching.

> On Jun 9, 2015, at 3:57 PM, Martyn Davies <martyn at magiccow.co.uk> wrote:
> 
> Thanks, yes it's running on Ubuntu 12.04 LTS, on a real machine. Load is light (there were on average 5 calls at the time I was working on it).  
> 
> With raw record, the recording looks as expected, i.e. no silent prefix.
> 
> I've noticed that when recording WAV, the recording on the call is ok, then subsequent recording (i.e on the same call uuid) have the silent prefix.
> 
> Thanks for the recommendations, I will try a later FS version as soon as I can do so without disrupting the trial.  It does look like it could be connected with the reported windows problem (although here it isn't windows).
> 
> Regards,
> Martyn
> 
> 
> 
> 
> On 9 June 2015 at 16:43, Brian West <brian at freeswitch.org <mailto:brian at freeswitch.org>> wrote:
> You make no mention of what platform you're running on, I would highly recommend you try 1.4.19, I recall a similar bug already being reported resolved.
> 
> On Tue, Jun 9, 2015 at 10:38 AM, Martyn Davies <martyn at magiccow.co.uk <mailto:martyn at magiccow.co.uk>> wrote:
> After a problem reported by a customer, I've been experimenting with uuid_record from fs_cli to find out where leading silences might be coming from. A couple of files I just recorded had >30s of silence at the start of the wav file that I wasn't expecting.  The experiment goes like this:
> 
> 
> 1.  I say "one" on the call
> 2.  uuid_record <uuid> start xx.wav
> 3.  I say "two" on the call
> 4.  short pause
> 5.  I say "three" on the call
> 6.  uuid_record <uuid> stop xx.wav
> 7. I say "four" on the call
> 
> The resulting xx.wav file contains 33s of silence, "two", pause, "three" end of file. It is silence at the start rather than ambient noise.
> 
> The call itself has been up for several minutes now, so I'm not sure where the 30 sec comes from?
> 
> The FreeSWITCH version is 1.4.12-1
> 
> Regards,
> Martyn
> 
> 
> 
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