Voice Gateway Parameter Details¶
Cognigy Voice Gateway comes with a large number of configuration settings which can be controlled directly from within your Cognigy Flow. These settings can be applied individually to two scopes:
Setting Session Parameters
Session parameters can comfortably be set with the "Set Session Config" Node. When executed, the settings will apply for the remainder of the session.
Setting Activity Parameters
Activity parameters can be set per activity/node. If for example barge in is set on the Play Node, barge in will only be activated during the execution of this node. Therefore, the user will be able to interrupt the bot during this output, but not afterwards.
Overview¶
Synthesizer - Text-To-Speech - Settings
The TTS settings can be chosen from a pre-filled dropdown for Microsoft Azure, AWS and Google.
| Parameter | Type | Description |
|---|---|---|
| TTS Vendor | Dropdown | Select the desired TTS Vendor |
| TTS Language | Dropdown | Defines the language of the Voice Bot output |
| TTS Voice | Dropdown | Defines the voice that should be used for the Voice Bot output |
| Custom | CognigyScript | The custom fields can be used to choose a TTS voice, which is not in the dropdown list. This can be the case for region specific voices. The format to use is depending on the TTS Vendor e.g. de-DE-ConradNeural |
Recognizer - Speech-To-Text - Settings
The STT settings can be chosen from a pre-filled dropdown for Microsoft Azure, AWS and Google.
| Parameter | Type | Description |
|---|---|---|
| STT Vendor | Dropdown | Select the desired STT Vendor |
| STT Language | Dropdown | Defines the language that should be recognized |
| STT Hints | Text | Array of words or phrases to assist speech detection. Note: This requires support from the STT engine |
| Enable Voice Activity Detection | Toggle | Delay connection to cloud recognizer until speech is detected |
| VAD Sensitivity | Slider | Detection sensitivity, the lowest value has the highest sensitivity |
| Minimal Voice Duration | Slider | Milliseconds of speech activity required before connecting to the cloud recognizer |
| Disable STT Punctuation | Toggle | Prevents the STT response from the bot to include punctuation marks |
Barge In
Barge In enables the interruption of the bot.
| Parameter | Type | Description |
|---|---|---|
| Barge In On Speech | Toggle | Enables to interrupt the bot with speech. |
| Barge In On DTMF | Toggle | Enables to interrupt the bot with DTMF digits. |
| Barge In Minimum Words | Slider | Defines the minimum number of words that the user must say for the Voice Gateway to consider it a barge in |
User Input Timeout
Defines what should happen when there is no input from the user.
| Parameter | Type | Description |
|---|---|---|
| User No Input Mode | Dropdown | Define the action if a user does not provide input to the bot in time |
| User No Input Timeout | Number | Define the timeout for user input in ms |
| User No Input Retries | Number | Defines how often the bot should retry to get an input from a user before completing the call |
DTMF
Enables DTMF collection.
| Parameter | Type | Description |
|---|---|---|
| Capture DTMF signals | Toggle | Enables capturing of DTMF signals by the bot |
| DTMF Inter Digit Timeout | Number | Defines the timeout in between collected DTMF digits |
| DTMF Max Digits | Number | Defines the maximum number of digits which can be entered by the user, the digits are being submitted automatically once this limit is reached |
| DTMF Min Digits | Number | Defines the minimum number of digits before they are forwarded to the bot. This can be overridden by a submit digit |
| DTMF Submit Digit | CognigyScript | Defines the DTMF submit digit which will be used for submitting the previously entered digits. This overrides the minimum digits validation |
Continuous ASR
Continuous ASR enables the Voice Gateway to concatenate multiple STT recognitions of the user and then send them as a single textual message to the bot.
| Parameter | Type | Description |
|---|---|---|
| Enable Continuous ASR | Toggle | Enable or disable Continuous ASR |
| Continuous ASR Submit Digit | CognigyScript | Defines a special DTMF key, which sends the accumulated recognitions to the flow |
| Continuous ASR Timeout | Number | Defines the number of milliseconds of silence before the accumulated recognitions are send to the flow |