On Tue, 16 Jan 2007, Chuck Hast wrote:
> On 1/16/07, Ron Youvan <ka4inm@tampabay.rr.com> wrote:
>> >> >> I have been moving some music from CD's to a HD I have.
>> >> >> I notice that on the CD it is one size but as the file is moved to
>> >> >> the HD it grows larger,
>>
>> >> Chuck, when you say "moving" are you using the copy (cp) command, or
>> >> loading the MP3 file into an application, then saving it to the hard
>> >> drive? There should be very little difference if you copy. But if you
>> >> load the MP3 file into an application and save, then you are actually
>> >> decompressing the file, then recompressing - that could make a huge
>> >> difference in file size.
>>
>> > Ken when I stick the CD in the drive I get a window that ask me if I want
>> > to open it, play it, rip it, play it with (gives the usual list of
>> > guilty ones).
>>
>> We are going to figure out if we are talking about a "music CD" which
>> contains wav files or a DATA CD that contains mp3 files.
>>
>> Music CDs are not mounted, they are ripped to the hard drive,
>> and unless they are converted on the fly they land as wav files.
>> DATA CD that contains mp3 files must be mounted before being accessed,
>> then they are handled the same as text or program files.
>>
>> The same song as a wav file will be on teh oprdder of 25 to 50 Megs
>> and as a mp3 it would be 2-5 Meg depending on sample rate and other
>> settings.
>
> OK, now I am konfused... This CD as most of the ones I have has in the
> parent directory WAV files then there are directories for CDDB, MP3
> OGG and one more format.
What you're seeing is the result of some program interpreting the audio
data on the CD, and presenting it as if it were a real filesystem, while
doing stuff on demand to satisfy your "cp"s etc. Sorta like /proc in that
respect.
> I tried to mount the things, but no joy, but the system would open them
> and mount them under system. In fact it was as folllows:
> system://media/hdc
Further evidence that it's not really mounted.
> I looked at it from every direction and still could not get it to mount, on
> my own. Anyhow, I figured out how to get the MP3's off without the in-
> flation, I will continue to figure it out but at least I can get the files
> now.
Good job. Now mimize the bitrate, as long as you don't hear flaws in the
sound.
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