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Posted by NRen2k5 on 10/03/29 11:52
David Morgan (MAMS) wrote:
> "NRen2k5" <nomore@email.com> wrote in message news:E2wsg.24479$We.625410@wagner.videotron.net...
>> Scott Dorsey wrote:
>>> The thing is, that field is ALWAYS maxed out whenever anyone hands you
>>> an MP3, because all the encoders want their products to play back as loudly
>>> as possible. So you can usually turn it down, but seldom can you turn it
>>> up.
>> No.
>>
>> It's the music industry that wants their *songs* to play as loudly as
>> possible, so they use dynamic compression to be able to make them as
>> loud as possible on CD.
>>
>> You would never *want* to turn *up* the gain on these files, since it
>> will make the already-existing clipping even worse, but you can do it.
>
> Thus altering dynamic range even further, or living with massive distortion,
> the latter of which I'd hope most products would not consider as an option.
No, dynamic range is not altered at all.
The massive distortion can be undone. MP3 doesn't really have a noise
ceiling or floor like PCM does. The signal peaks don't actually get
clipped in the MP3 itself... just in the playback. So this "clipping"
distortion can be fixed by just reducing the gain of the MP3.
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