[Home](./index.md) > [@soulmachines/smwebsdk](./smwebsdk.md) > [Scene](./smwebsdk.scene.md) > [startRecognize](./smwebsdk.scene.startrecognize.md) ## Scene.startRecognize() method Start the speech to text recognizer **Signature:** ```typescript startRecognize(audioSource?: AudioSourceTypes): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | audioSource | AudioSourceTypes | _(Optional)_ The audio source either smwebsdk.audioSource.processed or smwebsdk.audioSource.squelched, defaults to processed. | **Returns:** Promise<any>