Depends on the power of your PC and the selected model. The larger the model, the longer and more accurate the recognition.
Below are the applied data on the recognition speed of a 1 minute long file on the largest model.
Infographic:
8gb ram, integrated graphics card ( $300 laptop) - 1.5 to 5 minutes
16gb ram, integrated graphics card ($500 laptop) - 1 min to 3 min.
16gb ram, integrated graphics card ($1000 laptop) - 0.5 to 2 minutes
Gaming pc with 16gb VRAM - 5 sec to 1 min