问题：
Does the PQA300 support other frame-rates and resolutions besides SDI+ NTSC and PAL?
答案：
The PQA300 currently only supports SDI 525/625 digital formats and PAL/NTSC analog formats. Tektronix does offer another tool; the MTS4EA which is capable of performing PSNR measurements in just about any resolution and frame rate but this is a software only tool and has no analog inputs. Also, the fidelity comparison is made against two files, one of which must be a digital, uncompressed YUV file and the other can be either a similar YUV file or an MPEG compressed file.
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常见问题 ID 63396
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