My _intended_ emal re: soundconverter anomolies
davaweb at bigpond.net.au
Tue Nov 11 04:00:01 GMT 2008
I need the wav format to play in some of my cd players that do not
I know I can not regain what was lost - the objective is as above.
Even in just a straight mp3 to wav conversion using soundconverter the
files were, IMHO, very large.
On Mon, 2008-11-10 at 19:38 -0800, daniel sobey wrote:
> A standard cd is 700mb and holds about 80 minutes of audio at 44100hz 16 bit I believe.
> It is more or less just the contents of the wave files plus a simple table of contents that has when the tracks start and not much more.
> Depending on the length of song you can get about 16-22ish songs per cd.
> You will not gain any more data by converting them back into wave as that data has already been lost from the original.
> mp3 is a lossy format so it throws away a lot of the data from the original.
> If you are doing this to just burn them back onto cd i would not bother converting them into wave then burning, i would instead just use your favorite media player and get that to do that step on the fly.
> with point 2 you are probably not resampling it at all, 44100 is reasonably standard as that's what the original cd uses, the artifacts get worse when you change this.
> so what is the end purpose of this? You should go back to the original if you are going to do any audio changes.
> --- On Tue, 11/11/08, David Ryder <davaweb at bigpond.net.au> wrote:
> > From: David Ryder <davaweb at bigpond.net.au>
> > Subject: My _intended_ emal re: soundconverter anomolies
> > To: "Ubuntu-au mailing list" <ubuntu-au at lists.ubuntu.com>
> > Received: Tuesday, 11 November, 2008, 12:13 PM
> > Hi,
> > First, I sincerely apologise for mucking people up this
> > morning with two
> > emails I should have written when not being interrupted.
> > OK. Hardy 32 bit, Intel Core 2 CPU @ 2.13GHz
> > I am trying to convert 124.9MB of 18 mp3 files to wav
> > format. (Actually,
> > a lot of mp3's but this is my 'test' case in
> > Hardy).
> > My tests:
> > 18 mp3s totalling 124.9MB
> > 1. In Hardy, using soundconverter 1.0.1 (from the
> > repository), I noticed
> > loading the program used 50% CPU resources and was non
> > responsive for
> > about 15 seconds and greyed out, then was available to use.
> > There is no
> > resampling available in this version and converting the 18
> > mp3 files to
> > wav format resulted in 1.5GB.
> > 2. I installed manually the latest soundconverter 1.4.1. It
> > loaded
> > faster and worked faster. As it permits resampling for wav
> > files, I
> > chose 44100. The resultant size was again 1.5GB. I expected
> > more as I
> > thought resampling would make the files larger.
> > 3. As 1.5GB seemed large, I used a Windows machine, trying
> > three of the
> > plethora of software audio converters available. I
> > converted the 18 mp3
> > files to 44100 resampled. The resultant size was between
> > 580MB and
> > <800MB.
> > This seemed to confirm soundconverter's results were
> > excesssively large,
> > especially when compared to the 580MB - <800MB in
> > Windows.
> > Can anybody help please? I need to convert a lot of files
> > (preferably by
> > gui because of the volume I have to do) and want the best
> > quality for cd
> > burning. (K3b is not an option for me. The only burning
> > program I have
> > ever found successful is Imgburn via Wine.)
> > Many thanks,
> > David
> > --
> > ubuntu-au mailing list
> > ubuntu-au at lists.ubuntu.com
> > https://lists.ubuntu.com/mailman/listinfo/ubuntu-au
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