Verify Google Regional Endpoint STT Config

[erj]

Hi Arsen,
    I've been asked to verify that it's possible to support Google's region data processing for Google STT ( https://cloud.google.com/speech-to-text/docs/endpoints ).

Looking at https://www.unimrcp.org/manuals/pdf/GoogleSRUsageManual.pdf I can see the following settings:

service-uri - String - Specifies the service endpoint and defaults to speech.googleapis.com:443. Available since GSR 1.20.0.
region - String - Specifies the region. The global endpoint is used if the region is not specified. Available since GSR 1.20.0.

Am I correct in thinking that these cover specifying a regional end point in Google ?

Also if the service-uri was for example "https://eu-speech.googleapis.com" then would it be "EU" in the region field ?

Thanks
Ed James

[erj]

Hi Arsen,

Sorry to hassle you (again !) but I'm coming under pressure to be able to guarantee that client traffic will stay inside the EU as data processing outside the EU is a no for many of our customers.

Thanks

Ed James

[Gercel F]

Hello,

For info. We managed using EU using the following parameters in our plugin configuration files :

      service-uri="eu-speech.googleapis.com"
      region="eu"

Be careful to use lower case for region. We tried using EU but it kept failing.

I hope it can help.

Gercel

[erj]

Hi Gercel,

Thanks very much, that's very helpful.

Regards

Ed

[Arsen Chaloyan]

One more observation. It is sufficient to have only the region parameter specified in the configuration. The service-uri will be composed implicitly based on the region.

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Arsen Chaloyan
Author of UniMRCP
http://www.unimrcp.org

[bharath kumar]

Is it possible to set the region during mrcp session via SRGS grammar?

[Arsen Chaloyan]

Yes, using the meta element. For example:

<?xml version="1.0"?>
<grammar mode="voice" root="root" version="1.0" xml:lang="en-US" xmlns="http://www.w3.org/2001/06/grammar">
  <meta name=" gapp-credentials-file" content="project-60ddaa456a34.json"/>
  <meta name="region" content="eu"/>
  <meta name="root" content="hint"/>
      <rule id="spell">
            <one-of>
                <item>$OOV_CLASS_ALPHANUMERIC_SEQUENCE</item>
            </one-of>
      </rule>
</grammar>

As a result, the regional service endpoint eu-speech.googleapis.com will be used.

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