How to make hl2 characters talk

When adding sound, at the bottom of your scream, right click on music or whatever and click add to track. Now pick the sound that you want

Now you have the model that you want, Right click the model in the animation set editor and click show in element viewer and click animation set. Now right click on the name of the model at the top and click phomenes.

Now click on your piece of sound and expand the model and right click on face then extract phomenes.

Hope this helped you out. Comment any spelling mistakes or sections.

have a good day!!