From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benno Senoner Date: Fri, 11 Feb 2000 08:15:03 +0000 Subject: Re: best sound format and app. for recording voice. Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sound@vger.kernel.org On Fri, 11 Feb 2000, Bryan Bolden wrote: > I am in school and I tape my classes. what I would like to do is to begin > to keep digital copies of the taped classes on my computer without taking > up so much disk space. what I will do is have the output jack of the tape > recorder connected to the input jack of my sound card. I need to know the > best sound format and a good (maybe free but I am open to buying a good > app) application that will allow me to make digital samples with mono > recording and at least radio quality that will not take up a lot of space > for a taped class of about an hour. > > I would prefer the application run on linux but I am open to a good M$ > windows based sound application (please forgive me but I am desperate :) vor pure voice it's enough to use bitrates lower that 32kbit/sec I think Realaudio isn't that bad for this purpose (windows and linux encoder exists). for example the 16kbit codec uses 2kbytes/sec the 24kbit coded 3kbytes/sec that means 1hour of realaudio at 24kbit = 3kbyte/sec*3600secs = 11MBytes A 10GB disk can hold 1000 hours or speech , that is 500-1000 tapes. John as you see compressed audio on disk isn't more expensive than tapes. a 10GB disk costs almost nothing these days :-) PS: IBM just rolling out 75GB (!) 3 1/2 inch SCSI disks , EIDE versions will follow soon. (I think in the 50GB area but dirty cheap :-) ) Benno.