Posted by Hammerer on 03/31/06 19:06

"CooperFan" <CooperFan@gmail.com> wrote in message
news:1143819311.061637.95890@u72g2000cwu.googlegroups.com
>
> Hi, I'm new here and I've got a question. (small one)
>
> If an mp3 has for exemple a constant bitrate of 128kbps and 44,1 Khz
> (12,8 KB/s if I'm right)
> and I save 1 second of audio, the filesize should be around 12KB right?
> With this redenation, 10 seconds of audio should be 128KB large.
>
> This is what I did:
> I used two songs:
> - Deep Purple - Fireball
> - Deep Purple - Black Night
>
> And used the following wave editors:
> - Nero WaveEditor
> - Audacity
>
> With both editors, I saved the first 10 and the first second of both
> songs.
> All the 10s length samples should be of the same size, and so should be
> the 1s samples.
> That's true.
>
> But, after removing the tags, the 1s samples are 16,3 KB, and the 10s
> are 157 KB.
> If 1 Second should be 12,8 and 10 should be 128, then there's a
> difference of 3,5 and 29 KB which is variable.
>
> Can someone explain this to me?
>

What were the songs again?

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