[asterisk-users] Speech recognition in asterisk using google voice API

[Israel Gottlieb]

wow i just tried in hebrew and i'll say just 1 word "WOW"

On Wed, Jan 4, 2012 at 9:48 PM, sean darcy <seandarcy2 at gmail.com> wrote:

> On 1/4/2012 2:26 PM, Lefteris Zafiris wrote:
>
>>
>>> Works beautifully. Amazing job Lefteris. Thanks.
>>>
>>> The best result I got in probability was 0.9725632 by saying, "hello". I
>>> think there is some non-phonetic logic built-in as well. I tried, "1, 2"
>>> and
>>> I got "0.86534226" in accuracy. While I tried "1, 2, 3, 4, 5" I got,
>>> "0.97256315". Probably Google sees the pattern?!
>>>
>>> What are some of the other tricks (if any) or consideration that one
>>> should
>>> make while creating a strong speech recognition enabled IVR?
>>>
>>
>> Google accepts sound files at any sampling rate (up to 44.1kHz) so if
>> you can use some wideband codec ( eg g722)
>> It can greatly improve the sound quality and the detection rates. For
>> now the script supports 8kHz and 16kHz sampling rates
>> for recording and it can be set by editing the scripts user defined
>> parameters ( the variable $samplerate).
>> Anything that improves the recording sound clarity will help, a good
>> phone, low background noise level etc.
>> I have also read that normalizing the recording and setting the gain
>> to -5 db improves detection rates. I m experimenting with this at the
>> moment and there will be some new code soon (as soon as i get sox
>> working in RHEL/Centos 5 :P ).
>>
>>
> This is really spectacular. Thanks.
>
> I'm running Fedora 15, so I can use flac or sox. Any reason to prefer one
> over the other?
>
> sean
>
>
>
>
> --
> ______________________________**______________________________**_________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
>              http://www.asterisk.org/hello
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>  http://lists.digium.com/**mailman/listinfo/asterisk-**users<http://lists.digium.com/mailman/listinfo/asterisk-users>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20120104/a3785dc1/attachment.htm>