On 29/09/2017 07:27, ORL - AMMD wrote:
Hmmm. Those links are pretty "discutable". Telling that 128kbps is OK
for mobile and/or non critical material like rock or heavy metal seems
to me completely false: have you never heard "swiiiiiiish" in the hi
hats of such productions when using low bitrate mp3 (in which I include
128kbps)?
http://www.npr.org/sections/therecord/2015/06/02/411473508/how-well-can-you-hear-audio-quality
By the way, mp3 works on psycho-acoustics, and is based on the concept
of masking frequencies, so using a spectral view to explain that the
frequency content is or is not there is a non-sense when the principle
lies on the fact that those frequencies wouldn't have been "heard" in
the real world when positionned after certain other frequencies.
And I don't think "sacrifying" low and high ends means that low and high
ends aren't present, it just means that they are altered, and that you
can't check with a spectral view.
Still, I suggest using flac, bandcamp does accept that file format.
IMHO:
- FLAC for long-term archiving / preservation (because if you are
archiving big quantities of audio even the ~ 0.5 compression counts...)
- Transparent compression [1] for online streaming / everyday listening.
Better if with an open, non-patent-encumbered format as MP3 is (ogg,
opus, ...)
Opus is pretty remarkable in terms of quality [2] vs. compression
rates... Wonder why it's not spreading faster.
Lorenzo
[1] https://en.wikipedia.org/wiki/Transparency_(data_compression)
[2] http://opus-codec.org/
Le 29/09/2017 à 00:30, Paul Davis a écrit :
There is no significant effect of MP3 encoing bitrate on low end
frequency.
https://www.mp3-tech.org/tests/pm/MP3-128k.htm
https://www.mp3-tech.org/tests/pm/MP3-160k.htm
On Thu, Sep 28, 2017 at 5:49 PM, Be <be.0@xxxxxxx
<mailto:be.0@xxxxxxx>> wrote:
Soundcloud uses 128 kbps MP3, so extreme highs and lows will be
sacrificed. If you want to distribute your tracks as you hear them
when you're making them, make them available as lossless
downloads. Bandcamp is a good option for that.
On 09/27/2017 11:09 PM, jonetsu wrote:
Hello,
This is a fast-paced 'organic techno' (of sorts) synth track.
It was
fun to mix.
https://soundcloud.com/nominal6/too-late-for-goodbyes
<https://soundcloud.com/nominal6/too-late-for-goodbyes>
Unfortunately the bass was mostly eaten by soundcloud. Almost
sounds
AM-like. I'll have to figure this one out when mixing: why is
the bass
largely diminished on soundcloud and how to compensate, if
possible,
for this.
Cheers.
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