Hi, I need the wav format to play in some of my cd players that do not accept mp3. 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. David
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 <[EMAIL PROTECTED]> wrote: > > > From: David Ryder <[EMAIL PROTECTED]> > > Subject: My _intended_ emal re: soundconverter anomolies > > To: "Ubuntu-au mailing list" <ubuntu-au@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@lists.ubuntu.com > > https://lists.ubuntu.com/mailman/listinfo/ubuntu-au -- ubuntu-au mailing list ubuntu-au@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-au
