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Serge Smirnoff

Is ATRAC3(plus) worth testing @128 kbit/s ?

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Hi All,

New “128 kbit/s” listening test is scheduled at SoundExpert. Codecs that were already tested there three monthes ago:

- aac VBR@134.5 (iTunes 6.0)

- mp3 VBR@112.7 (Lame 3.97b2)

- ogg VBR@129.9 (OggEnc 2.8)

- wma 9.1 pro VBR@108.8

The results of testing are here.

Now it’s time to add new contenders to this crew. Some probable ones are:

- wma 10 CBR standard (WMP 11, Vista)

- wma 10 CBR pro (WMP 11, Vista)

- wma 10 VBR (WMP 11, Vista)

- aac LC CBR (Winamp 5.2)

- aac HE CBR (Winamp 5.2)

- aac LC CBR (Nero 7)

- aac LC VBR (Nero 7)

Would it be interesting for the MD community to include also ATRAC codecs from SonicStage:

- ATRAC3plus@128 and may be

- ATRAC3@132 (LP2)

I’m not sure these encoding modes are used today in real life. Your opinions would be helpful. Thank you.

Edited by Serge Smirnoff

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I think that many people use LP2 across the world as it is a favored middle ground for those who have NetMD equipment (which there are many tens of millions of), but not so much for those with Hi-MD. It'd be a worthwhile test..

LP2 isn't so bad, I used to use it alot before the days of Hi-MD for some tracks.

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I’ve noticed that SonicStage 3.4 adds watermarking when decoding .oma files (either converting to .wav or creating Audio CD). Is there any way to avoid this as watermarking slightly decreases perceived quality margin thus lowering overall rating of ATRAC3 (LP2) codec. I suppose MD players don’t alter PCM signal in any way when playing encoded music.

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Atrac3plus @128kbps?? Can a HiMD unit play that? Please reply this, since i'd like something better than the low 64kbps, without being as big in size as the 192kbps atrac3plus...And atrac3 LP2 isn't a really good idea since it sounds for me almost the same as Atrac3Plus@64kbps...

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A3+ 128kbps could be much more useful if it was possible to use with Hi-MD. Maybe in the next Sonicstage release. I'm not sure is there would be a significant improvement to LP2 though.

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