Comparisons of Current and Previous Generations

Dolby® Home Theater® was replaced by Dolby Home Theater v3 and Dolby Sound Room® was replaced by Dolby Advanced Audio. To help you understand the differences between these generations of our PC surround sound technologies, refer to the charts below.

Dolby Home Theater v3 Compared to Dolby Advanced Audio

Technology	Dolby Home Theater v3	Dolby Advanced Audio
Surround Expansion
Dolby Pro Logic® IIx	•
Virtualization
Sound Space Expander	•
Dolby Headphone	•	•
Enhancements
Audio Optimization	•	•
Natural Bass	•	•
High-Frequency Enhancer	•	•
Interface
Dolby Digital Live	•

Dolby Home Theater v3 Compared to Dolby Home Theater

Technology	Dolby Home Theater v3	Dolby Home Theater (Previous Generation)
Surround Expansion
Dolby Pro Logic® IIx	•	•
Virtualization
Sound Space Expander	•	•
Dolby Headphone	•	•
Enhancements
Audio Optimization	•
Natural Bass	•	•
High-Frequency Enhancer	•
Interface
Dolby Digital Live	•	•

Dolby Advanced Audio Compared to Dolby Sound Room

Technology	Dolby Home Theater v3	Dolby Sound Room (Previous Generation)
Virtualization
Sound Space Expander		•
Dolby Headphone	•	•
Enhancements
Audio Optimization	•
Natural Bass	•	•
High-Frequency Enhancer	•