[Asterisk-Users] MP3 or OGG

Tue Nov 8 09:11:35 MST 2005

I'm using it for originating calls but the problem I have is that  
most of the recordings I have are from automatically recorded from  
the Queue command (in queues.conf), so I don't know if you can tell  
in queues.conf to use MixMonitor.

Thanks,
Waldo

On Nov 8, 2005, at 10:50 AM, BJ Weschke wrote:

>  Check out the new app_mixmonitor app with 1.2b2. It produces one file
> that is mixed already.
>
> On 11/8/05, Waldo Rubinstein <waldo at trianet.net> wrote:
>> Hilton,
>>
>> AFAIK, you can optionally record in gsm. However, I think * won't do
>> it natively. It will do -in and -out wav files, soxmix them together
>> and then convert them to gsm. I'm offloading all of that to a
>> different machine and just leaving * to create the raw -in and -out
>> wav files.
>>
>> Maybe I'm wrong too, so comments are welcomed.
>>
>> Thanks,
>> Waldo
>>
>> On Nov 8, 2005, at 3:14 AM, Quark IT - Hilton Travis wrote:
>>
>>> Hi Waldo,
>>>
>>> Doesn't * record to .gsm file initially and then convert these  
>>> to .wav
>>> later?  I may be totally off the mark here, and if I am, I  
>>> welcome the
>>> correction.
>>>
>>> In that case, why not leave the files in .gsm format instead of
>>> translating them into another lossy format?  Obviously if * records
>>> conversations as .wav files then I'd be leaning toward Speex
>>> (Vorbis) as
>>> it is a "suited to speech" compression format.
>>>
>>> Both Speex and ogg are Open Source, therefore patent issues are  
>>> likely
>>> non-existent.  MP3, otoh, is fine if you use one of their approved
>>> apps,
>>> and not if you use anything else.  I'm steering clear of .mp3 (and
>>> have
>>> been for quite a few years now).
>>>
>>> --
>>>
>>> Regards,
>>>
>>> Hilton Travis                          Phone: +61 (0)7 3344 3889
>>> (Brisbane, Australia)                  Phone: +61 (0)419 792 394
>>> Manager, Quark IT                      http://www.quarkit.com.au
>>>          Quark Group                   http://quarkgroup.com.au/
>>>
>>> Microsoft Small Business Specialists
>>>
>>> http://www.threatcode.com/ <-- its now time to shame poor coders
>>> into writing code that is acceptable for use on today's networks
>>>
>>> War doesn't determine who is right.  War determines who is left.
>>>
>>> This document and any attachments are for the intended recipient
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>>>
>>>> -----Original Message-----
>>>> From: asterisk-users-bounces at lists.digium.com
>>>> [mailto:asterisk-users-bounces at lists.digium.com]
>>>> On Behalf Of Waldo Rubinstein
>>>> Sent: Tuesday, 8 November 2005 11:32
>>>>
>>>> Wasn't aware of it, but if quality is good, it makes sense
>>>> since all I'm archiving is speech.
>>>>
>>>> Will evaluate further.
>>>>
>>>> Thanks,
>>>> Waldo
>>>>
>>>> On Nov 7, 2005, at 7:14 PM, Mark Edwards wrote:
>>>>
>>>>> I would recommend vorbis speex for this.
>>>>> You can get windows drivers to read speex files directly.
>>>>>
>>>>> Vorbis are the same bunch that develops ogg.
>>>>>
>>>>> Ogg and mp3 are more suited to music rather than speech.
>>>>> Speex is a much better fit for speech archiving.
>>>>>
>>>>> Mark
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: BJ Weschke [mailto:bweschke at gmail.com]
>>>>> Sent: Tuesday, 8 November 2005 5:52 AM
>>>>>
>>>>> You're probably not going to be violating any patent
>>>>> protections by using OGG instead of MP3. As far as
>>>>> compression goes, I've found the difference between
>>>>> the two of them to be negligible. I've always used
>>>>> OGG when possible to stay "IP safe".
>>>>>
>>>>> On 11/7/05, Waldo Rubinstein <waldo at trianet.net> wrote:
>>>>>> I'm trying to archive out call recordings and would
>>>>>> appreciate some feedback as to which audio compression is
>>>>>> more recommended MP3 or OGG. In the past, I've use lame
>>>>>> to convert to MP3, but I noticed the audio volume drops
>>>>>> significantly. Is it just a setting on the command line
>>>>>> of lame or is OGG better? Which achieves higher
>>>>>> compression rates while maintaining call quality?
>>>>>>
>>>>>> Thanks,
>>>>>> Waldo
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