[Asterisk-Users] Opinions of Sphinx?

[end1r]

Hi,

I would like to get some Voice Recon working with a small asterisk server I
have (10 endpoints). We would have no more than 3 calls at the MOST up
trying to do recon, so volume is not a problem.

Anyone have a link to the download AND a HOWTO for Sphinx /w Asterisk?

Regards,
-Eric

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of mattf
Sent: Sunday, June 12, 2005 8:52 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] Opinions of Sphinx?

Hello,

Very true, we actually convert the 8k 8bit wav files to 16 bit files and
normalize the audio through SoX for sphinx.  We spent a couple weeks
developing a custom limited vocabulary and we do the recognition in 2
phases, the first phase is the quick and dirty, we then analyze the results
of that and if our internal score is high enough to recognize the words we
finalize that recording(about 90%), if not we put the non-recognized ones in
a second batch to be analyzed  at a higher level of analysis by sphinx. we
then analyze and score those(about 50% finalize). so we are left with about
95% of our total recordings that finalize correctly with 5% that need to be
manually listened to for confirmation. This was a rather complicated process
to build with many stumbles along the way. The hardest part is the building
of the vocabulary and the tuning of the analysis of the conversions. 

Here's the batch launching script, although that is a very small part of the
whole that you need for this all to work:
http://astguiclient.sourceforge.net/experimental_code/sphinx2_pltest.pl


MATT---


-----Original Message-----
From: Race Vanderdecken [mailto:asteriskusers at codetyrant.com]
Sent: Saturday, June 11, 2005 9:21 PM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] Opinions of Sphinx?


Curious, which codec are you using with Sphinx?

The smaller the bandwidth, generally, the harder it is to do
recognition.

Sphinx4 is a tool built on JAVA (one moment while I clear my throat and
spit to get the coffee taste out of my mouth.)

Write me offline; I am curious about doing batch reco for several
projects, if you don't want to answer here.

Race "the tyrant" Vanderdecken

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of mattf
Sent: Saturday, June 11, 2005 9:04 PM
To: 'Brian Roy'; 'Asterisk Users Mailing List - Non-Commercial
Discussion'
Subject: RE: [Asterisk-Users] Opinions of Sphinx?

We use batch sphinx to analyze recordings at night. We attempted
real-time
sphinx, but it is way too slow and resource-intensive to use for
realtime on
Asterisk with more than a couple lines at once(and that's at the poor
quality settings). We have not tried sphinx4, but I wouldn't imagine
that it
would be that much improved in speed over version 3.

MATT---


-----Original Message-----
From: Brian Roy [mailto:mister.roy at gmail.com]
Sent: Saturday, June 11, 2005 6:56 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Opinions of Sphinx?


On 5/31/05, Alistair Cunningham <acunningham at integrics.com> wrote:

> 
> Has anyone tried Asterisk and Sphinx (bonus points if in a production
> environment)? If so, what's your opinion on quality of recognition,
> stability, resource usage, etc?

Alistair,

Well, it's been a couple weeks and no answers on the list. That isn't
encouraging, but I'm hoping to accomplish some of the same thing. Have
you made any progress on your own with this? Let me(us) know...

Thanks,

-Brian
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