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Atrac 292 SP vs Atrac3+ 352

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Hammond

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352kbps for me means awesome clarity and high ends, of course it beats atrac SP !

The basses are deeper, fuller, the trebles more precise.

Is the only bitrate I can't distinguish from CD quality anymore.

Edited by Shion
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From my extensive listening experience (and double-blind ABX testing), I can say that neither are perfect, but suffer from different problems. For ATRAC3+ 352kbps, it is a grainy, electronic sound on wind and brass instruments, and occasionally percussion. I haven't tried, but I would assume that it wouldn't do well with pre-echo "torture tests" like harpsichord or castanet samples, either.

ATRAC 292kbps (SP) smears sharp attacks (pre-echo), leading to things like cymbal taps and acoustic guitar sounding thicker and "stickier" than the CD. ATRAC SP also brings the soundstage forward; there's less space between you and the instruments compared to the CD (or even LAME –preset standard). Most annoyingly for a jazz listener like myself, ATRAC SP has an awful time with trumpets; try "Flamenco Sketches" off of Miles Davis' landmark "Kind of Blue" album. There's a nasty, electronic ringing artifact every time Miles blows hard into his horn.

That being said, both are transparent 99% of the time – all lossy codecs have problem samples. 352kbps is kind of a ridiculous size, though, for lossy audio when codecs like Vorbis, MPEG-4 AAC, LAME MP3 and MPC (Musepack) hit transparency in the 160-220kbps range. I suspect that ATRAC3+ has the latent potential to be transparent in that range, too, but hasn’t been tweaked enough yet.

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The easiest answer is record something you are familiar with using both bitrates, and listen to them both with good headphones, or a good quality hi-fi setup. Arguments to which is best are pointless as everyone has different sound percetions and hearing losses.

HTH

Bob

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