Re: [LAU] Looking for Audio Watermarking Advice & Tools

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To: Paul Davis <paul@...>
Cc: <linux-audio-user@...>
Date: Wednesday, October 26, 2011 - 2:51 pm

On Mon, Oct 24, 2011 at 10:33 PM, Paul Davis wrote:

Ill take issue with that slightly. Namely that if you want to be that
technical, you have to explicitly state the conditions of the test.
Listening conditions probably make the largest difference to someone's
ability to discern the difference between a lossy compressed file and
the original. With good listening conditions, including a relatively
quiet environment and an even halfway decent pair of passive isolation
headphones, you will likely hear some difference if you are looking
for it. Then you get into how much someone would notice, but I
suspect until you get to 256 most people under such conditions(Which
are not even ideal) would be able to hear if they are listening for
it.

Note that it is hard for me to judge this as I would wager a fair
guess my ears are much better trained(As I would imagine most on this
list falls into this as well) than what would be considered the
'average' listener, so some assumptions I make are just that, while I
can keep in mind this fact it means I am not a particularly good judge
at times of what others will or won't hear. Then again I work under
the rule of 'a sound system is only as good as the sum of its weakest
components' and as a result will do everything as good quality as I
can in most cases assuming that even if people don't realize there is
a difference consciously, they might subconsciously.

If they are not listening for it however, aka casual listening, then
we are in a different realm entirely. I still suspect that for many
enthusiasts at least 192 would be the minimum for MP3s, with 128 being
the minimum for more efficient codecs(ie. AAC and Vorbis), likely why
those numbers can be found in the various online music stores that are
popular today, at least in a semi decent listening environment.

Now you get to an actual good listening environment, and especially
with enthusiasts in such, and your requirements will likely increase.

Seablade
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Messages in current thread:
[LAU] Looking for Audio Watermarking Advice &amp; Tools, Kevin Cosgrove, (Sun Oct 23, 3:13 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Thomas Vecchione, (Mon Oct 24, 11:35 am)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Sun Oct 23, 5:38 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Pedro Lopez-Cabanillas, (Mon Oct 24, 5:14 am)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Sun Oct 23, 9:42 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Mon Oct 24, 9:34 pm)
Re: [LAU] Looking for Audio Watermarking Advice & Tools, Thomas Vecchione, (Wed Oct 26, 2:51 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Tue Oct 25, 10:47 am)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Monty Montgomery, (Thu Oct 27, 11:40 am)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Thu Oct 27, 3:41 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Monty Montgomery, (Thu Oct 27, 3:47 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Thu Oct 27, 4:04 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Monty Montgomery, (Thu Oct 27, 4:06 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Florian Paul Schmidt, (Tue Oct 25, 8:20 am)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Mon Oct 24, 9:11 am)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Gabriel M. Beddingfield, (Sun Oct 23, 9:50 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Gabriel M. Beddingfield, (Thu Oct 27, 3:14 am)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Gabriel M. Beddingfield, (Sun Oct 23, 11:41 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Fons Adriaensen, (Sun Oct 23, 10:41 pm)
Re: [LAU] Looking for Audio Watermarking Advice &amp; Tools, Kevin Cosgrove, (Sun Oct 23, 10:07 pm)