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Originally Posted by honai
I guess he's refering to bass response with AC3 vs DTS, i.e. due to higher attenuation of low-level frequencies before encoding AC3 does not sound as "bass-rich" as DTS.
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This thread is going off topic, but no I wasn't only referring to bass response. I can actually hear finer details and more presence with DTS @ 1536 over Dolby @ 640. I can see that a few of you don't agree here which is fine but I can only go with what my ears tell me.
However, I have noticed bass heavy DTS tracks present on quite a few DVD's but for some reason this seems to be different on Blu-ray discs. Whether it is because most DVD's used 768 Kbit/s instead of 1536 Kbit/s or they used an older encoder, I am not sure.
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Originally Posted by shon3i
How hell no? like comparing simple algo (DTS) with some hevy efficient algo (AC3). Like comparing MPEG2 and MPEG4 and say that MPEG2 still better. AC3 @ 640kbps clearly produce higher sound quality than DTS @ 1536kbps, even AC3@448kbps can be comparable to DTS 1536kbps.
I proved to myself several times on different equipment, even now when I had access to the DTS-HD MA Encoding Suite, which mean i encode my samples with up to date DTS encoding tool.
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Comparing MPEG2 and MPEG4 (AVC) to Dolby and DTS is nowhere near a similar comparison. There has got to be at least a decade between MPEG2 and MPEG4 (AVC). Computing power and technology has had a quantum leap since then. I believe there was only about a year difference between the first commercial use of Dolby and DTS. I understand what you meant by this in terms of codec efficiency but I really don't think it's as clear cut as that.
Just out of curiousity, what sort of equipment are you comparing these on?
Looks like I am not alone on these thoughts...
http://www.audioholics.com/education...of-the-formats
http://www.practical-home-theater-gu...by-vs-dts.html
http://ezinearticles.com/?Dolby-vs-D...ter?&id=553768
As I mentioned above, all these reference the fact that you need the right equipment to hear the difference.