Mainconcept is a DV conversion utility to convert DV files into MPEG Layer 2 (DVD) quality video files. We use a 1.2GB test file and convert it into a MPEG-2 video at 720x576 and 25fps with stereo sound, and calculate the time each system takes to encode the file. The less the time, the better.
Here we see VIA lose some ground to the Intel i848P. While we aren't able to determine why it lost the ground, it was no fluke as four test runs revealed the same trend.
XMPEG is a high quality converter based on lossless MPEG/AC3 decoders. It decodes MPEG1 (Audio & Video) and MPEG2 streams and offers you the possibility to re-encode them in the format you want. It exports video and audio frames through an Adobe Premiere interface. To keep the maximum quality of your film, it integrates HQ Bicubic (0, 0.75) and Bessel (for audio) filters. The plugins furnished in this package allow you to create your own DivX, DVD, or SVCD files with the maximum output quality.
For this we used the same file for Mainconcept, however, this time we used XMPEG to convert the file into a MPEG-4 or DIVX video.
Here, though, a different story unfolds. VIA takes out the XMPEG tests with flying colors.
Lame MP3 is an audio encoding utility that can turn your large wav files into simple MPEG-3 (MP3) files. For this we used a 200MB wav file and converted it to MP3 at 128-bit and 44kHz.
In the final encoding test we see VIA equal out with the Intel i848P; still well ahead of the Ali and SiS chipsets.
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