If you wished to know which sound pack a sound is from, right-click on the chosen sound after it has been added to your project and click Go to Soundpack. The sound browser will then display the sound pack of that sound.
If you wished to know which sound pack a sound is from, right-click on the chosen sound after it has been added to your project and click Go to Soundpack. The sound browser will then display the sound pack of that sound.