1. Converting / Compressing PCM Format WAVs without distortion?
I'm a newbie when it comes to (converting) Audio Formats, and have a simple
question that I'm sure has already been answered many times. It's just a
matter of finding it... I've Searched around a bit, but there are millions
of pages out there. Can someone please point me to it (a suitable FAQ or
similar), or offer an answer here?
I need to convert several 10's of 000's of very small PCM Format Audio
Files(voice-quality only, ranging in size from about 3KB to about 50KB),
currently in either:
PCM, 22,050 Hz, 8 bit, Mono or
PCM, 11,025 Hz, 8 bit, Mono
to another very common Windows WAV format, but which is at least 30 - 50%
smaller so they can all fit onto one CD. Ideally, the new format should
also not require High Performance hardware, say minimum 200MHz Pentium or
lower if possible, so as to maintain compatibility with still common
hardware out there.
I have tried converting using ACM Station 2.1 by Andreas Leeb, which seems
like it should do the job, but I'm not having much luck. So far, I seem to
be suffering a loss of sound quality. [Presumably, I must convert each file
to a format of identical Sample and Bit rate to perfectly preserve the
quality? There don't seem to be very many options available, in terms of
formats that support these identical parameters.]
Am I wrong in thinking this is possible? Does compression always involve a
loss of quality? As I say, I'm a newbie, but I figure that quality can
still be preserved, in spite of some compression? Can anyone advise me
which format(s) will work for this, and which would be most recommended -
especially in terms of common hardware and commonly available Windows O/S
Also, another problem: the files are a mixture of the two formats shown
above. Is there any utility that can sort them into their different
formats, so I can run the appropriate conversions on each type?
Last question: Is there a Codec that does this best but is not commonly
installed with Windows, and if so, what's required to install and if
necessary, licence it?
Any help would be most appreciated.
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