:: > This gap is a pain in the arse and is THE thing I hate most about MP3. When
:: > this problem has been sorted in LAME i will be happy. Personnaly i feel a
:: > 'fix' to this problem is long overdue.
::
:: Haven't made a study of the subject, but surely there is a purpose to this gap,
:: other than that the standard dictates it (if it does)? What other reason would
:: there be for all the encoders to put it there in the first place?
::
:: Apart from this, I remember reading about a decoder gap as well-- a silent
:: pause that the decoder put there. So it's a two-way problem. You'd need a fixed
:: encoder as well as a fixed decoder. But I assume the Winamp gapless plugin
:: takes care of the decoder part.
::
The problem isn't so symmetric as you mentioned.
* A broken°) decoder produces faulty PCM files or produces gaps on the Hifi
equipment.
* A broken encoder produces faulty MP3 files
Now we assume the bug is fixed. What is to do:
* Decoder:
- Replace the decoder and be happy (if the encoder was not broken
while coding the MP3 files)
- Decode all PCM-from-MP3 files from their sources
+ Note: Usually you have all MP3 source files, because they are
* much smaller
* Transport of MP3 is done as MP3, not as PCM
* Encoder:
- Encode all PCM files again
+ take your own CD and borrow all CDs you have borrowed
+ RIP the CDs
+ Code the PCM files again
- MP3 files you haven't code yourself
+ Buy the CDs, RIP the CDs and code it
Note: Coding is much slower than encoding, but can be done automatically
RIPing without a PC CD changer can not be done automatically
The output of a decoder is mostly a temporary output so fixes
have an immediate effect. Decoder output is seldom stored for a long time.
Encoder output IS usually stored for a long time, is transmitted via
WAN networks.
That's the "little" difference.
--
Mit freundlichen Grüßen
Frank Klemm
°) I use the term "broken" if there is a detectable (in this case audible)
malfunction. If a standard (ISO, OSI, DIN, ANSI, ...) demands such a
malfunction, the standard itself is broken and should be replaced by an
unbroken and as much compatible as possible version.
A lot of standards are broken or not definite enough.
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