Linked by Thom Holwerda on Fri 28th Oct 2011 20:42 UTC, submitted by poundsmack
Apple Apple has open sourced ALAC. "The Apple Lossless Audio Codec is an audio codec developed by Apple and supported on iPhone, iPad, most iPods, Mac and iTunes. ALAC is a data compression method which reduces the size of audio files with no loss of information. A decoded ALAC stream is bit-for-bit identical to the original uncompressed audio file. The Apple Lossless Audio Codec project contains the sources for the ALAC encoder and decoder. Also included is an example command line utility, called alacconvert, to read and write audio data to/from Core Audio Format and WAVE files. A description of a 'magic cookie' for use with files based on the ISO base media file format (e.g. MP4 and M4A) is included as well. The Apple Lossless Audio Codec sources are available under the Apache license."
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24bit music
by fran on Sat 29th Oct 2011 13:20 UTC
fran
Member since:
2010-08-06

Listening to music in 24 bits is such a treat that i hope more and more download sites including google music will support it.
I have some 24bit 44Hz WAV files i listen to regularly and there is a perceptible difference.

Reply Score: 1

RE: 24bit music
by zima on Sun 30th Oct 2011 06:24 in reply to "24bit music"
zima Member since:
2005-07-06

Did you properly ABX your perceptions?

Reply Parent Score: 3

RE[2]: 24bit music
by fran on Sun 30th Oct 2011 13:44 in reply to "RE: 24bit music"
fran Member since:
2010-08-06

Yes, what do i know.

Most will not hear it because they dont have the equipment. (monitor quality speakers ect.)
Also the majority of music is beat, emo orientated.
It will comes into its with music with higher timbral complexity.

"The advantages of 24-bit audio will vary with different recordings, different equipment, different listeners--but if you’re an audiophile with excellent gear and a trained ear, you should notice the bump up in quality. Now that we’ve got a handle on 24-bit audio, it’s time to broaden our focus; bit depth and sample rates aren’t the only factors in the quality equation."

http://www.tested.com/news/the-real-differences-between-16-bit-and-...

Reply Parent Score: 2

RE: 24bit music
by ruinevil on Tue 1st Nov 2011 01:04 in reply to "24bit music"
ruinevil Member since:
2009-01-08

It's pretty hard to find 24bit music, since audio CD's are only 16bit 44.1khz PCM streams. Converting 16 to 24 would just add 8 0s to every value, changing nothing.

I probably would not be able to hear the difference with foobar2000 feeding a receiver via SPDIF using WASAPI.

Everyone can agree lossless always sounds better than MP3, especially electronica and classical; psychoaural compression has its limits.

Reply Parent Score: 1

RE[2]: 24bit music
by zima on Fri 4th Nov 2011 23:59 in reply to "RE: 24bit music"
zima Member since:
2005-07-06

Everyone can agree lossless always sounds better than MP3, especially electronica and classical; psychoaural compression has its limits.

I can't; with "always" this claim is also too strong.

You can quite easily find examples / settings where lossless will sound better than lossy, sure, but not anywhere near "always" - not only this requires just one counterexample to falsify, there are also many cases of people (also those previously thinking they can easily hear the difference) who were "shocked" at how low bitrates they still couldn't tell a difference from the originals, when performing for the first time a proper ABX testing.

Edited 2011-11-05 00:05 UTC

Reply Parent Score: 2