So I guess it would be advisable to set burning to audio, at least that is what I have it set for, simply because I want this pause between songs. Mine is set for 3 seconds, just enough time for me to change gears into a different kind of music or song. It irritates me when they all run together. Thanks also for the sound check bit. Never knew what that button would do. So I will keep it selected. And I shall immediately start finding out what format all of my tracks are in. Another mystery solved. Thanks Bryan for that at least $ 100.00 course you gave all of us. I am sure we are much "enlightender" as Winnie the Pooh would say/ Marta On Jan 25, 2005, at 10:03, Bryan Forrest wrote:
> Burning a CD: > > Audio CD - this is a typical audio CD that will play in pretty much > any music CD player. The gap is the space between tracks, and can be > set to whatever you choose. A typical gap would be about 2 seconds. If > your songs average four minutes each, you should be able to burn about > 19-20 of them on a typical 80 minute CD. Songs that are in iTunes as > MP3 or AAC will be re-encoded to AAIF format before burning to CD. > Tracks from a standard audio CD would be converted from AIFF to AAC or > MP3 (depending on your settings) upon import into iTunes. > > Sound check is an option that will compare volume level of each track > and make them all about the same. In other words, you won't have to > crank up the volume to hear track 1, only to have your eardrums blown > out when track 2 starts. > > MP3 CD - This is basically a data disk with nothing but MP3s on it. > Some newer stereos will play MP3 disks. This format allows you to burn > many songs on a single CD for either playback on a computer or on a > newer CD player with MP3 capability. This is not meant for most > standard audio CD players. > > Data CD or DVD - this is used to archive your library to CD or DVD in > case of a system crash. This is not meant for playback. > > You can find out what format a track is in by clicking on it to > highlight it and then either selecting Get Info under the Find menu, > or using Command-i to get info. The info window will tell you the > format of the song, the bitrate, frequency, and, if available, album > art. > > Bryan > > On Jan 24, 2005, at 11:47 PM, Marta Edie wrote: > >> Thanks Bryan, this day was surely a great learning experience for me, >> and i am not quite sure how i shall process it all, but I shall have >> recourse to the stuff and that is a help. - No. I am not finished >> with my questions as yet. When i open the iTunes preferences and >> click on burning, I have two options : it says : preferred speed - >> then Audio CD, then MP# 3 CD and sound check in between and then >> comes Data CD or DVD and that tells me that this might not play on >> all players. Now: if I click the audio CD ( being AAC standard if it >> is music I bought from the music store, and AIFF if I imported it >> myself if that is the standard Apple uses in outside the music store >> bought CDs because it would not embed the DRM?) I can have a gap >> between the songs which apparently I cannot have if I choose the MP# >> format, the songs running together in that format without a pause. >> Am I correct here? And what does it do when I check "sound check" ? >> Who checks what sound and how do I know according to which criteria >> the sound is checked? >> Of course when I import now I have the possibility to choose the >> format which I did not know a year ago, so I actually cannot tell >> anymore now what format all my songs and operas etc were imported >> in, because as a fledgling I knew little about the preferences and >> would not have known even if I opened the preference panel. >> To repeat : if I check the output as Audio CD, will my CD then be >> in the AIFF format unless I choose the MP3 format ? Is there a way >> to check the format a CD is in at all? By trial and error - meaning >> taking it to a player somewhere and see whether it plays? Or >> something more professional? >> Marta >> On Jan 24, 2005, at 20:18, Bryan Forrest wrote: >> >>> Ok, I know others have already answered this, but I spent a good 20 >>> minutes working on it earlier, and I'm gonna send it anyway... so >>> there! :-p >>> >>> >>> >>> The AIFF (Audio Interchange File Format) is the default format Apple >>> uses to read audio files from regular music CDs, i.e., the kind you >>> would play in your stereo. These files typically run about 10-12MB >>> per minute of audio. So a typical 3.5 minute song would be about >>> 35-40MB. >>> >>> MP3 (Mpeg Layer 3) is the most common form of audio file on the >>> internet. The MP3 compression algorithm allows the 35-40MB AIFF (or >>> WAV for Windows) file to be compressed to about 1/10th its original >>> size (allowing for standard settings of 44.1Khz/128Kbps). >>> >>> Apple's current standard is AAC (Advanced Audio Codec). This is the >>> format that is sold via the iTunes Music Store. It provides higher >>> quality audio than MP3 at approximately the same size. In addition, >>> Apple is able to embed its DRM, or Digital Rights Management, key >>> into each audio track, to prevent unauthorized copying of purchased >>> music. AAC currently will only play on iPods and iTunes. >>> >>> One thing to keep in mind is that both MP3 and AAC are considered >>> lossy formats, meaning data is lost in translation. It's not likely >>> you will hear the difference unless you have a very well trained >>> ear, but it's good to keep in mind. Let's say you have a song on a >>> music CD you want to add to your iTunes library. You import the song >>> as an AAC file. You probably would have a hard time telling which is >>> the original CD and which is AAC, even if you played them both side >>> by side. But if you were to burn the AAC back to an audio CD, the >>> data that was originally lost in translation to AAC is still gone. >>> It's not going to miraculously reappear just because you're >>> converting it back to its original format. Then if you play the two >>> CDs side by side, you might be more likely to hear the difference, >>> even though the difference would be very small. >>> >>> Data loss can be reduced by using a higher bitrate (128Kbps is >>> standard) and a higher frequency (44.1Khz is standard). By default, >>> when I import a CD, I use the AAC codec, since I only use iTunes and >>> my iPod, and I use a bitrate of 160Kbps with a frequency of 48Khz. >>> This increases the size of the files by maybe 33%, but they sound >>> much better than using the standard settings. So instead of a file >>> being 3.5MB, it might be 5MB. Not a huge difference with today's >>> hard drives. If I used a 3rd party MP3 player, I would probably use >>> MP3 at 192Kbps and 48Khz. Again, files would be about 50% larger >>> than if I had used the default settings. >>> >>> Hope this helps! >>> >>> Bryan C. Forrest >>> Macintosh Specialist >>> LifeNet >>> http://www.lifenet.org >>> >>> -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 6799 bytes Desc: not available Url : http://www.math.louisville.edu/pipermail/macgroup/attachments/20050125/3f764aed/attachment.bin
