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* [watsonstt] initial contribution Signed-off-by: Miguel Álvarez Díez <miguelwork92@gmail.com>
66 lines
3.2 KiB
Markdown
66 lines
3.2 KiB
Markdown
# IBM Watson Speech-to-Text
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Watson STT Service uses the non-free IBM Watson Speech-to-Text API to transcript audio data to text.
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Be aware that using this service may incur cost on your IBM account.
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You can find pricing information on [this page](https://www.ibm.com/cloud/watson-speech-to-text/pricing).
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## Obtaining Credentials
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Before you can use this add-on, you should create a Speech-to-Text instance in the IBM Cloud service.
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* Go to the following [link](https://cloud.ibm.com/catalog/services/speech-to-text) and create the instance in your desired region.
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* After the instance is created you should be able to view its url and api key.
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## Configuration
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### Authentication Configuration
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Use your favorite configuration UI to edit **Settings / Other Services - IBM Watson Speech-to-Text** and set:
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* **Api Key** - Api key for Speech-to-Text instance created on IBM Cloud.
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* **Instance Url** - Url for Speech-to-Text instance created on IBM Cloud.
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### Speech to Text Configuration
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Use your favorite configuration UI to edit **Settings / Other Services - IBM Watson Speech-to-Text**:
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* **Background Audio Suppression** - Use the parameter to suppress side conversations or background noise.
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* **Speech Detector Sensitivity** - Use the parameter to suppress word insertions from music, coughing, and other non-speech events.
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* **Inactivity Timeout** - The time in seconds after which, if only silence (no speech) is detected in the audio, the connection is closed.
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* **Opt Out Logging** - By default, all IBM Watson™ services log requests and their results. Logging is done only to improve the services for future users. The logged data is not shared or made public.
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* **No Results Message** - Message to be told when no results.
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* **Smart Formatting** - If true, the service converts dates, times, series of digits and numbers, phone numbers, currency values, and internet addresses into more readable. (Not available for all locales)
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* **Redaction** - If true, the service redacts, or masks, numeric data from final transcripts. (Not available for all locales)
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### Configuration via a text file
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In case you would like to setup the service via a text file, create a new file in `$OPENHAB_ROOT/conf/services` named `watsonstt.cfg`
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Its contents should look similar to:
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```
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org.openhab.voice.watsonstt:apiKey=******
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org.openhab.voice.watsonstt:instanceUrl=https://api.***.speech-to-text.watson.cloud.ibm.com/instances/*****
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org.openhab.voice.watsonstt:backgroundAudioSuppression=0.5
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org.openhab.voice.watsonstt:speechDetectorSensitivity=0.5
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org.openhab.voice.watsonstt:inactivityTimeout=2
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org.openhab.voice.watsonstt:optOutLogging=false
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org.openhab.voice.watsonstt:smartFormatting=false
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org.openhab.voice.watsonstt:redaction=false
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org.openhab.voice.watsonstt:noResultsMessage="Sorry, I didn't understand you"
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```
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### Default Speech-to-Text Configuration
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You can setup your preferred default Speech-to-Text in the UI:
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* Go to **Settings**.
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* Edit **System Services - Voice**.
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* Set **Watson** as **Speech-to-Text**.
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In case you would like to setup these settings via a text file, you can edit the file `runtime.cfg` in `$OPENHAB_ROOT/conf/services` and set the following entries:
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```
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org.openhab.voice:defaultSTT=watsonstt
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```
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