| Comparison of Movie Sound Formats | ||||||||
| Surround Formats | Dolby Pro Logic | Dolby Pro Logic II | Dolby Pro Logic IIx | Dolby Digital | Dolby Digital EX | DTS Digital Surround | DTS-ES/NEO:6 | DTS 96/24 |
| Media | DVD, VCR, TV, LD, CD | DVD, VCR, TV, LD, CD | DVD, VCR, TV, LD, CD | DVD, LD | DVD, LD | DVD, LD, CD | DVD | DVD |
| Reproduction Channels | 4 Channels | 5.1 Channels | 6.1 Channels | 1-5.1 Channels | 6.1 Channels | 5.1 Channels | 6.1 Channels | 5.1 (6.1) Channels |
| Channel Configuration | Left, Centre, Right and Surround | Left, Centre, Right, Left Surround, Right Surround and LFE (Low Frequency Effect) | Left, Centre, Right, Left Surround, Centre Surround, Right Surround and LFE | Left, Centre, Right, Left Surround, Right Surround and LFE (Low Frequency Effect) | Left, Centre, Right, Left Surround, Centre Surround, Right Surround and LFE | Left, Centre, Right, Left Surround, Right Surround and LFE | Left, Centre, Right, Left Surround, Right Surround and LFE | Left, Centre, Right, Left Surround, Right Surround and LFE |
| Encode System | Matrix | AC-3 (Digital) | AC-3 (Digital) | AC-3 (Digital) | AC-3 (Digital) | Coherent Acoustics | Coherent Acoustics | Coherent Acoustics |
| Sound Process | Matrix | Discrete | Discrete and Matrix | Discrete | Discrete and Matrix | Discrete | Discrete and/or Matrix | Discrete (Discrete and Matrix) |
| Frequency Response (Front) | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-40,000 Hz |
| Frequency Response (Rear) | 100-7,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-40,000 Hz |
| Resolution Ratio | - | 20 Bit | 20 Bit | 20 Bit | 20 Bit | 20 Bit | 20 Bit | 24 Bit |
| Sampling Frequency | - | 48 kHz | 48 kHz | 48 kHz | 48 kHz | 48 kHz (LD/CD: 44.1 kHz) | 48 kHz (LD/CD: 44.1 kHz) | 96 kHz |
| Conversion Rate (CD/LD) | - | 348 kbps (LD) | 348 kbps (LD) | 348 kbps (LD) | 348 kbps (LD) | 1,411 kbps | 1,411 kbps | 1,411 kbps |
| Conversion Rate (DVD) | - | 448 kbps | 448 kbps | 448 kbps | 448 kbps | 1,536 kbps | 1,536 kbps | 1,536 kbps |
| Remarks | - | - | Centre surround signal is matrix processing | - | Centre surround signal is matrix processing | - | Centre surround signal is discrete or matrix processing | - |