Performance
We tested both tuner performance and video input capture quality. Tuner strength testing compares the PVR-550 tuner to a Sharp VC-H810 VCR tuner, representing "typical" reception for standalone TV’s. Capture Quality compares an original DVD image to those received by the PVR-550 S-Video and Composite Video inputs, using a Panasonic DVD-RV31 as the source.
To enable simultaneous capture, VCR tuner video was input through the test system’s All-In-Wonder composite connection. This is the only place where additional input hardware was used.
While all images are shown at full resolution and cropped, the DVD captures are clickable to reveal their pre-cropped form.
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| Test System | |
|---|---|
| CPU | Intel Pentium 4 2.6 GHz, 512k Cache |
| FSB | 200 MHz |
| Motherboard | Soyo P4I875P Dragon 2 V1.0 |
| Memory | 2x Corsair XMS4000 Pro, 1024 MB |
| Graphics | ATI All-In-Wonder X800 XT |
| HDD | Western Digital WD800JB 80 GB ATA (8 MB) |
| DVD | Compaq DVD-115 |
| LAN | Intel Pro/1000 onboard |
| Power Supply | Custom |
| Drivers & Configuration | |
| Graphics | ATI Catalyst v5.4 |
| Chipset | Intel Inf. Update |
| OS | Windows XP Prof. SP1a |
| DirectX | DirectX 9.0c |
