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i once read that AAC 64kbps = 128kbps mp3.
i tried one of the songs i have, converted it to 64kbps aac from mp3 128kbps and didnt notice much difference.
Though i still prefer mp3's...
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Posted: 2005-09-20 21:18:28
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What you all are missing is that converting from one lossy format to anothe can not make it sound better. Once a file is encoded in mp3 or aac or ogg some data is lost, you can never get it back. However comparing a cd ripped to the different formats will produce different quality. Ogg and aac are superior to mp3, but not if you recompress an mp3. Look at hydrogenaudio's forums for comparisons. And get a better pair of headphones.
This message was posted from a T610
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Posted: 2005-09-20 21:28:11
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for a quick comparison of different lossy formats check out this page
http://www.rjamorim.com/test/multiformat128/results.html
as you can see from the charts ogg vorbis is almost always on top, and in the final results aac is only slightly better than mp3, whereas musepac (mpc) and ogg vorbis are definately superior. with windows audio and sonys (now outdated and hopefully dead) atrac3 pulling up the rear quite sadly.. this is a test done at 128kbps.
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Posted: 2005-09-20 21:38:13
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Quote:
On 2005-09-20 21:18:28, Shit_Happens wrote:
i once read that AAC 64kbps = 128kbps mp3.
i tried one of the songs i have, converted it to 64kbps aac from mp3 128kbps and didnt notice much difference.
Though i still prefer mp3's...
The songs i have are not converted from mp3's but actually encoded at 320kbps aac.
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Posted: 2005-09-20 23:22:13
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I've been experimenting with sound qualities of mp3 and mp4 and I have always stuck to 128 kbps mp3 for my compilation because of the id3tags. The sound quality is practically the same as the original to my ear. For aac, I can already hear obvious degradation when using bitrates lower than 112 kbps so I keep a minimum of 112 kbps if I need it to be in aac format.
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Posted: 2005-09-21 03:12:19
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Quote:and in the final results aac is only slightly better than mp3
so?
are you forgeting aac files are way smaller than their mp3 equivalents???
hence if a 128kbs is better, slightly ot not, than a 128kbs, and plus itīs a smaller file, thereīs really no interest using mp3, except for the id tags (k750 doenīt read id tags from aac, yet)
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Posted: 2005-09-21 10:26:38
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i was not making any comparrisons to the size saving advantages of aac, musepack, or ogg vorbis over mp3. the comparrison was only about sound quality at the same bitrate. as that was the topic of the discussion..
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Posted: 2005-09-22 00:26:40
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I personally find some aac codecs better than others. FAAC vbr (variable bitrate) encoded tracks are AWESOME quality, but about the same size as mp3's of the same bitrate. For example a FAAC track encoded at 100, is not much smaller than a 128Kbps mp3. Bit comparing variable to non-variable bitrates is not the best comparison.
However 96Kbps FAAC abr (adaptive bitrate) tracks are about 75% the size of an mp3 of 128Kbps for very similar audio quality ( when I encode my existing 128Kbps mp3's to 96Kbps mp4's, I notice virtually no difference in audio quality. When encoded at 64Kbps quality is still very good, but the difference is noticeable. (I have only had problem's when re-encoding mp3 to mp4 when the original mp3 was ripped with a shitty encoder). However the file size of a FAAC 64Kbps mp4 is close to 50% the size of the mp3
iTunes mp4 encoding is less efficient, with a 64Kbps MP4 (M4a in itunes language) being about 75% the size of a 128Kbps mp3. The itunes and FAAC 64Kbps tracks are about equivelent audio quality, IMHO. So I would highly recommend the FAAC (I use dbpoweramp to encode) codec over the itunes version.
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Posted: 2005-09-22 04:20:41
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Can we use another than mp3 format (ogg, aac, etc) as a ringtones as well?
This message was posted from a K750
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Posted: 2005-09-22 04:37:07
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on K750/W800, you can use mp3, aac only.
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Posted: 2005-09-22 07:49:59
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