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How does Opus compare to AAC and other codecs in general transparency?, [TOS #5: split from “Listening test using 2013-03-09 build”/TID:99841]
post Mar 11 2013, 19:33
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I wonder, do you guys, who are following and testing Opus more closely.
Think that it will or it is, competing against AAC good in overall transparency?

I donīt know if AAC is one of the best in Transparency or not. But i really like it compared to MP3, which sounds very bad at 192 and below,
it sounds like it has some kind of noise filtering activated. But maybe itīs just me?

But how is Opus compared to AAC and similar in overall today?

I understand that there is no Correct answer, and that it also changes with time as Opus isnīt finished.

But just want to here what you think about it, is it a competitor, or is it just a speech codec in your ears?


(I am NOT asking if itīs the Best, or what is the Best or anything like that. Just want to know how you feel about it in itīs current time)

This post has been edited by zerowalker: Mar 11 2013, 19:34
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post Mar 12 2013, 02:30
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I am personally not trying to achieve any General Transparency with music encoding, because as mentioned above it depends on the overall conditions, e.g. noisy environment, equipment one's using etc. However, ABX-ing hard samples will help you during the development stage, but for general use a person would be happy using some lower bitrate than the one proven to be transparent for a variety of hard samples.

For instance, I had a party at my place the other day. There was loud music and a few tracks were encoded with Opus 1.1-alpha at 128kbps. Even though 128kbps is not believed to be transparent, I didn't hear any complaints from the guests saying that music was to any extent 'different'. Because the people were just listening to it, and for them it sounded as it should. So, I'd agree that there is a Generally Accepted Level of Transparency, e.g. lame -V2. And for me it's Opus at 128kbps.

All above is IMHO.
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