Whatever you use, Gold Wave, Sound Forge, Studio Recorder, a CD can hold up to 80 minutes of data, audio data, which equals about 703 megabytes, so if your cassettes are, as you say, 72 minutes in length, it should work fine, since you'll have 7 plus minutes left over. If you wish to put analog audio on a cd, you won't make it any format before recording except *.wav since you'll tell the cd burning package you use to make the audio for you. (Nero, easy_CDA_creator, Roxio, premier cd Creator, (whatever)), make them into just straight audio sound which a normal cd player handles. If you put *.mp3 files or any compressed format as data onto a cd, the cds will handle a great deal more subjective time of 80 minutes, ten times that easily, but a specialized cd player will be needed to play them which are, as you know, readily available. Gold wave makes the *.wav files, I'd suggest one per track of the newly created cd, and then you can either make GoldWave burn the cd, or another package which specialty is, burning audio cds, including one I use called "Acoustica cd burner," or Nero. Changing the sampling rate from 16Bit to 24Bit will not change a length or make it possible to fit more, it will not do anything to the already recorded audio. Newly recorded audio, meaning not a copy of a cassette, certainly, the higher sampling rates take up more room, not less, 8Khz, 16Khz, 24Khz, 32Khz, etc but you're making a copy, not a new recording. "Sampling rate," is a quality capability, not a compression or "fit more" capability into a space, that is when making mp3s at different rates of compression, e.g. 32K 40K 64K 128K 256K etc. Higher "compression" rates of 32K compared to 256K take up less room, but the K, mentioned here, is a different standard of handling audio than the K mentioned in "sampling" rate. I hope this gives you a glimmering. What you can do is this; after the recording onto cds is done, you can save all tracks on your computer, later, as *.mp3 or *.ogg or ... there are many possible compress formats, and if not in stereo, you can save them in mono at 64K bit rate, and will have no degradation, since cassettes will not go as high as 16Khz on the high end anyway unless there is specialized recording methods taken and the material contains a lot of 16Khz energy which is extremely unlikely considering the sources you're talking about. You can then make, if needed, more copies of the material onto straight audio cds, using one of the above mentioned packages, who will convert, on the fly, most compressed formats right back into audio format for you. When recording, since these are kids in different circumstances of excitement, play, calm, etc. you will probably also wish to make sure clipping does not happen, so record at a relatively low level, and then normalize afterwards so the computer can handle the optimal level for you after the initial recording is done.
Curtis Delzer At 08:13 AM 8/13/2008, you wrote: >Hi, > I have never done the following proceedure before, and could use >suggestions. I have been asked to copy quite a number of cassettes of >greatly varying lengths to be preserved onto cds. These cassettes are old >family cassettes of kids singing and talking etc. Because the amount of >material on each cassette varies from 7 minutes, to at least 30 minutes, I >want to copy them consecutively. I will be using Goldwave. These cds >should be able to be played on any cd player, so not an mp3 formate for now. > So, if I change the byt rate, from 16 to 24, can I squeze more onto a >cd? With premier cd Creator, when I put a new cd into the computer, it will >tell me I have 703 megabytes free. I have been able to put about 72 minutes >of material onto a cassette. Is there any way I could squeze a few minutes >more onto each cd without having to go to mp3 format? Thanks very much for >your help >Vinny Samarco? > > > >Jonathan Mosen List Founder >Audio List Help, Guidelines, Archives and more... >http://www.pc-audio.org >To unsubscribe from this list, send a blank email to: >[EMAIL PROTECTED] Jonathan Mosen List Founder Audio List Help, Guidelines, Archives and more... http://www.pc-audio.org To unsubscribe from this list, send a blank email to: [EMAIL PROTECTED]
