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Originally Posted by Chriso ...I hate to say it but those results wouldn't lead me to that conclusion. They are subjunctive results, not absolute. You're comparing audio formats at low bitrate to others at low bitrate. They are only being compared to each other and cannot prove that "the quality at 48 kbps is acceptable" as there was no high bitrate option for people to choose. |
Of course there was - the high anchor iTunes LC-AAC at 96 kbps. There was also a low anchor: iTunes LC-AAC at 48 kbps. The anchors are not seen in the zoomed plot.
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Originally Posted by Chriso At the end of the day, music encoded at that bitrate can't compare to music at 128 or 192kbps or above, and such low bitrates as 48 were really only intended for speech recordings. |
Did you take the test? Also, as my last listening test at 128 kbps demonstrated, bitrates such as 320 kbps, 256 kbps or even 192 kbps are overkill
most of the time (not always - there are some killer samples that demand for higher bitrate but these are very rare) because all contenders ended being tied on first place with ratings around 4.5 from 5 points.