compressing aiff files
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From: Leo on 12 Jun 2006 18:27 I'm shifting some of my old audio cassettes to cd and find that some of them are just a little long to squeeze onto a cd. Is there any way of compressing an aiff file (just a little! the sound quality loss isn't a problem since the cassettes aren't perfect to start with) to burn on a cd that will work in a regular cd player? I tried the various compression options that Sound Studio offers, and they all seemed to work when I burnt a cd with iTunes. But then when I tried the whole album, no go, still wouldn't fit - I guess iTunes decompresses the files as it burns and I didn't notice with my test cd since there was plenty of space. Any suggestions? I don't really want to split 850Mb over two cds (partly because, of course, the original was a single cassette). Thanks! Leo.
From: Erik Richard Sørensen on 12 Jun 2006 19:28 Hei Leo Leo wrote: > I'm shifting some of my old audio cassettes to cd and find that some of > them are just a little long to squeeze onto a cd. Is there any way of > compressing an aiff file (just a little! the sound quality loss isn't a > problem since the cassettes aren't perfect to start with) to burn on a > cd that will work in a regular cd player? The only compression format that's really useable is the AIFC format, but not all std. CD players in a HiFi system is able to take advantage of this format. > I tried the various compression options that Sound Studio offers, and > they all seemed to work when I burnt a cd with iTunes. But then when I > tried the whole album, no go, still wouldn't fit - I guess iTunes > decompresses the files as it burns and I didn't notice with my test cd > since there was plenty of space. Yes, when you burn a compressed file - made with SoundStudio, Amadeus II or other apps that can compress the AIFF files, the burner program again will expand the file to a normal CD audio file, and you won't be able to gain any advantage of the compression. And to all this come that the compression is not lossless, - it's rather easy to hear that the quality has lowered quite a lot. - I've just made the experiment with a 42:32 min. radio recording with the size of 432,4mb in normal AIFF format. With a 3:1 compression made using Amadeus II the size is down to 72,4mb, but dragging the file to fx. Toast 7.0.1 expands it again to 432,4mb - but with a rather high loss in both treble and bass. With a 6:1 compression it's even worse.:-( > Any suggestions? I don't really want to split 850Mb over two cds > (partly because, of course, the original was a single cassette). There is no way you can press 850mb onto a 80min/700mb CD. You might be able to do it, if the size was as low as 725mb, since then any empty space in the file will be erased, and a 80min. CD can go up to apprx. 82 mins.. Using a 90min/800mb CD media is not recommendable, since not all CD players in a HiFi system is able to detect these medias, and you'll get a read error on your CD. - And to this also come that neither Finder, nor iTuynes support the 800mb media and only will put about the 700mb onto the 800mb media. And the only two programs that I'm aware of that supports the AIFC file format is Cubase and LogicAudio Pro - e.g. full professional audio programs... So I don't think it's possible to make any kind of useable compression for normal audio CDs. But if your CD player supports mp3 files, you could make the files into mp3 with a bitrate of 320kbps - the best mp3 quality. by this method you fx. can have all 3 double MCs from The Beatles - 1962-66 (88min.), 1966-70 (92min), The White Album (103min) - on a single mp3 CD. - That's the best 'compression' that I can recommend.:-) cheers, Erik Richard -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ KMLDenmark by Erik Richard Sørensen, Member of ADC <kmldenmark_NOSP(a)M_stofanet.dk> *Music Recording, Editing & Publishing - Also Smaller Quantities *Software - For Theological Education - And For Physically Impaired *Nisus - The Future in Text & Mail Processing <http://www.nisus.com> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From: Mike Rosenberg on 12 Jun 2006 20:13 Warren Oates <warren.oates(a)gmail.com> wrote: > > cd that will work in a regular cd player? > > Why not use MP3? You can a whole bunch of cassettes on one CD-R. That would prevent him playing the CD in a regular CD player as he desires. -- Mike Rosenberg <http://www.macconsult.com> Macintosh consulting services for NE Florida <http://www.cafepress.com/macconsult,macconsult4> Mac-themed T-shirts <http://bogart-tribute.net> Tribute to Humphrey Bogart
From: matt neuburg on 12 Jun 2006 20:39 Leo <leo_bloom476(a)hotmail.com> wrote: > I'm shifting some of my old audio cassettes to cd and find that some of > them are just a little long to squeeze onto a cd. Is there any way of > compressing an aiff file (just a little! the sound quality loss isn't a > problem since the cassettes aren't perfect to start with) to burn on a > cd that will work in a regular cd player? No, not with a "regular cd player". Some cd players can now also play mp3s, though, in which case you could burn an mp3 cd using iTunes or Toast and that would work. There would be some reduction in quality, but since you are starting with audio cassette, this might not be noticeable, as you say yourself. Check your cd player's specs to see if it can play mp3 cds. What I do in this case, however, is use the computer as the cd player. (I have a computer which serves this purpose only; it is hooked right into my stereo system.) This means that I can use other formats. There is a format called FLAC that compresses with *no* loss of quality; it doesn't compress very much, but it can be just enough to fit a whole opera on a CD. And there is of course also mp3. m. -- matt neuburg, phd = matt(a)tidbits.com, http://www.tidbits.com/matt/ Tiger - http://www.takecontrolbooks.com/tiger-customizing.html AppleScript - http://www.amazon.com/gp/product/0596102119 Read TidBITS! It's free and smart. http://www.tidbits.com
From: Reginald Dwight on 12 Jun 2006 23:46
In article <1150151252.763689.137300(a)y43g2000cwc.googlegroups.com>, "Leo" <leo_bloom476(a)hotmail.com> wrote: > I'm shifting some of my old audio cassettes to cd and find that some of > them are just a little long to squeeze onto a cd. Is there any way of > compressing an aiff file (just a little! the sound quality loss isn't a > problem since the cassettes aren't perfect to start with) to burn on a > cd that will work in a regular cd player? The CD is time length-based ultimately. It ain't gonna happen. > I tried the various compression options that Sound Studio offers, and > they all seemed to work when I burnt a cd with iTunes. But then when I > tried the whole album, no go, still wouldn't fit - I guess iTunes > decompresses the files as it burns and I didn't notice with my test cd > since there was plenty of space. It's all length-based, ultimately. You could have a mono 90 minute AAC file at 8kHz that weighs in at 2MB and it's still not gonna fit. This isn't a compression issue. > Any suggestions? I don't really want to split 850Mb over two cds > (partly because, of course, the original was a single cassette). Side A on CD 1 and Side B on CD 2? How 'bout a DVD of the whole thing instead? |