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What you call a fold down is called a downmix in ac3 standards. The default settings for an ac3 decoder making a downmix of a 5.1 stream to a stereo output is the following (as mentioned here : http://www.dolby.com/us/en/technologies/dolby-metadata.html) : Left and Right channels are sent to their respective L and R channels. Center channel is sent to both ...

Yes and no. The order is: L - R - C - LFE - LR - RR alright, but the LT and RT is for format mastering purposes only (not to be confused with the pre-mastering normally just called mastering in music), and not used in the actual 5.1-track at all. It is, however, used for the stereo-track and other similar applications. The AC3/DTS/etc. coding comes after ...

It's been a while since this was posted and as it has had no replies I thought I would tell you I know. Hopefully others will fill in additional details. AC-3 file has 48KHz sample rate, 16-bit resolution and the data is encoded using a lossy compression format. As far as I am aware 24-bit data is not supported and the data cannot be left unencoded (PCM), ...

Compressor can output an ac3 (stereo or up to 7.1) for $50, which I think is absolutely worth it. Much cheaper than Dolby Media Encoder SE ($595).

In my experience, if I'm reading you right, is that you're experiencing the discrepancy between a theatrical and a DVD mix, or rather, the professional versus consumer differences. Think of it sort of like the -10 versus +4 of line level. On a home theater system calibrated properly, when I boosted the amp's playback level to 100, it sounded proper for a -...