AIFC files

I exported a clip as an AIFF file but it shows up as an AIFC file. That's fine if I'm playing it on my Mac. But it won't play on a CD player. In fact, it won't even indicate that there are two tracks on the CD. The time reader moves but no sound. Any ideas?

You need to make an audio CD. ITunes can do that for you, or Toast. In Itunes, create a playlist and then do a burn.

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Missing Sound in Video Game... QuickTime Can't open "AIFC" Files

Recently bought "Alida," whose sound files are in AIFC format. Understand this is a common Mac sound file format, but for some reason no sounds show up in the game, and if I open QuickTime player and double-click any of the ".aifc" sound files stored in the game folder, QT returns the error message "The movie could not be opened." Clicking "OK" sends me another message stating that QuickTime needs another component to play the movie. Clicking "OK" there sends me to this page:
http://www.apple.com/quicktime/resources/components.html?os=OSX&ctype=73646563&c subtype=696d6134
Unfortunately, on that page are 11 different codecs, none of which address ".aifc" files. I've looked up the AIFC file format information on Google, and there is a lot, but no pointers to the correct codec for a Mac. Can anyone suggest what I need? My version of QuickTime is 7.6.4 (Pro).

Could the "invalid track" be something the game uses to call the file?
There are lots of tricks like that that Games use as a sort of protection, even skewing files so as to make only their application know how to read them... not sure on this of course.
Why would I convert a sound file to the same format?
One thing about "Standards"... there are as many interpretations of them as there are companies. There are likely more than one kind of .aifc files. I'm thinking the Game itself is only going be looking for "certain_file.aifc" so it would have to be at least named that, though converting it to .aiff or even .mp3 might work if the extension was renamed to .aifc.
To just play them outside the Game converting it to anything should work.
There's also a know bugabo with certain .aifc files...
With the development of the Mac OS X operating system, Apple created a new type of AIFF which is, in effect, an alternative little-endian byte order format.
Because the AIFF architecture has no provision for alternative byte order, Apple used the existing AIFF-C compression architecture, and created a "pseudo-compressed" codec called sowt (twos spelled backwards). The only difference between a standard AIFF file and an AIFF-C/sowt file is the byte order; there is no compression involved at all.[3]
Apple uses this new little-endian AIFF type as its standard on Mac OS X. >When a file is imported to or exported from iTunes in "AIFF" format, it is actually AIFF-C/sowt that is being used. When audio from an audio CD disc is imported by dragging to the Mac OS X Desktop, the resulting file is also an AIFF-C/sowt. In all cases, Apple refers to the files simply as "AIFF", and uses the ".aiff" extension.
For the vast majority of users this technical situation is completely unnoticeable and irrelevant. The sound quality of standard AIFF and AIFF-C/sowt are identical, and the data can be converted back and forth without loss. Users of older audio applications, however, may find that an AIFF-C/sowt file will not play, or will prompt the user to convert the format on opening, or will play as static.
All traditional AIFF and AIFF-C files continue to work normally on Mac OS X (including on the new Intel-based hardware), and many third-party audio applications as well as hardware continue to use the standard AIFF big-endian byte order.
Note: As of Mac OS X version 10.4.9, the system will sometimes incorrectly display the AIFC icon for files with the .aif extension, whether or not the actual file format is AIFF or AIFF-C. This can be verified by opening the files in a hex editor and checking the FORM chunk's form type. This can sometimes happen when exporting files from QuickTime, and frequently happens when sending and receiving files between Windows and Mac computers or extracting files from an archive.
http://en.wikipedia.org/wiki/AudioInterchange_FileFormat
EDIT: Get HexEdit and open that file for a look...
http://hexedit.sourceforge.net/
Message was edited by: BDAqua

How do I change AIFC files to AIFF?

My 5 year old MacBook Pro had no problems editing AIFF files off of burned CD's that I used to copy records with, but I tried it today with my brand new MacBook Pro, Garage Band says It cannot open AIFF-C files. So is there anyway to change iTunes to not use AIFF-C (or AIFC) files so I can edit them in Garage Band?

Purchased music cannot be converted, due to the protection scheme (part of the deal between the iTMS and Record Companies/right holders).
You can however burn them on an Audio CD.
And you already know how to import Audio CDs as AIFF files.
Hope this helps.
M

Trouble reading AIFC files in AA3 (& 1.5 too)

As you may all know avid/digi (in their infinite wisdom) chose on their MAC versions to use AIF- compressed format (AIFC) for Audio files, but without any compression, so in a way the same as straight AIF & the files have an "AIF" extension.
As you may also know I'm beta testing AATranslator & one of the many things we can do is to extract xxx.AIF files from an OMF & these files load fine into all DAW's, bar for me AA3 (or v1.5). They load into AA3 on my colleagues AA3 PC too, but not mine.
I get a totally nonsense Msg about these being video files that need to be inserted in the MT page (which I am in btw, if loading one of our conversions).
If i drag one of these "aif" files to a blank, either EV or MT page they will open just fine. But "Insert" on MT or File open on EV page gives the same rubbish msg about this being a video file bla bla, total crap.
If I convert the file from AIFC to AIF, then that is ok too. unfortunatly converting inside AA, (Raw -WAV) is not an option because the header (that AA doesn't bother to read) becomes a "splat" at the head & another at end of the audio.
what is happening, & why? How can I make AA read these files?
John L

It's probably an artefact of the weird format. Instead of treating the erroneous header information for what it is as far as Audition is concerned, and simply ignoring it, it's treating it as part of the audio. But why it would do this under some circumstances and not others, and even on some machines and not others - well, that is a bit strange. If you want to post a short file of the offending type, I can check it here tomorrow; I certainly don't have any of these myself.

Convert AIFC/Recordit File

Hello there, many many years ago, before iTunes, before OS X, I used an Iomega program called "Recordit" to create a playlist of my favorite songs onto my Hard Drive and some Zip 250MB Disks.
Unfortunately now I am unable to convert them out of their AIFC file format,
and neither QuickTime or iTunes will read the files.
In the Finder it has a Quicktime icon and it is set to open default with Quicktime.
However I receive an error of (-2009) when Quicktime attempts to load it.
I have also tried opening it in VLC however that program doesn't recognize it.
No other program on my Mac seems to be able to play the file except for Recordit (running in Classic.)
Any advice on how to get it out of AIFC format and into at least AVI, WAV, or even MP3,4

Try this freeware:Audacity
If Audacity will not read the files then look for SoundApp, a Classic sound utilty.

Save logic .aiff as quicktime file

Hey,
I posted this question in the iweb board and got some interesting ideas but was curious if anyone here had any other thoughts.
I'm adding short .aiff's to an iweb site for people to right click and save.
-I'm making the .aiff using logic express.
-Bouncing to desktop.
-under "get info" I'm changing the .aiff to "open using quicktime player" which makes the file look like a quicktime file with the big "Q" on it. When I double click on the file, it opens with quicktime player. All's good!
-I create a text box in iweb and link the .aiff (actually they are .aifc) file to text box, just regular stuff for creating links for files.
-After I publish site to folder. When I go in and right click on the link to save to desktop, the file I thought used quicktime player becomes an itunes associated .aiff file with the itunes colors (green) and opens using itunes, thus adding the file to my itunes library.
I'd like people to be able to click on the .aiff and quicktime player would automatically open and play the file, this way unwanted stuff won't be added to people's itunes library. Maybe I'm making a mountain out of a mole hill, but it would be nice to stay out of peoples itunes libraries, it's kind of annoying when stuff is added to mine that I don't want. Know what I mean (in a cheesy Elvis voice)?
Any thoughts on how to keep the file a quicktime associated file after download?
Thanks, byt
ps, I've been looking up the difference between .aiff and .aifc. It looks as though they are about the same except you can compress .aifc. Does it really matter which is which if you're not compressing or anything and just clicking and playing?

iWeb only uses QuickTime formats (or those it can play) in your html files. It (version 1.1) uses special javascript files to hold the source code and for non "standard" QT formats it use the special qtsrc tag to "force" the browser plug-in to play the file.
Setting the Get Info properties on your computer doesn't change the file format for other users or viewers of your file.
Since the QuickTime browser plug-in will be opening the file only QT Pro users will be able to "save" it.
If you are "linking to a file" instead of using the browser plug-in the viewer will either get a download or the file will open in a new browser window. If the QT browser preferences are set to open .aiff (or aifc) your file will open in new window. You make these settings via the QuickTime sys prefs/Advanced and clicking on the MIME Settings button. You'll see .aiff under Audio.
If you want to "force" a download you should use the Finder to create an Archive. Your file will now become something.aifc.zip and users will download it when the click the link.
It will still open in iTunes for those users that have .aiff set to open in that app.
Better would be to convert it to .mov format which is always associated with the QuickTime Player. You would still want to archive it before adding it to iWeb so that it downloads instead of playing in the browser window.

Save as quicktime file so quicktime player can be used after right-click

Hey,
I'm adding short .aiff's to a site for people to right click and save.
-I'm making the .aiff using logic express.
-Bouncing to desktop.
-Changing file to "open using quicktime player" which makes the file look like a quicktime file with the big "Q" on it. When I double click on the file, it opens with quicktime player.
-Creating text box and linking .aiff (actually they are .aifc) file to text box, just regular stuff for creating links for files.
-After I publish site to folder. When I go in and right click on the link to save to desktop, the file I thought used quicktime player becomes an itunes .aiff file with the itunes colors (green) and opens using itunes, thus adding the file to my itunes library.
I'd like people to be able to just open the .aiff and quicktime player would automatically play the file, this way unwanted stuff won't be added to itunes library.
Any thoughts?
Thanks, byt
ps, I've been looking up the difference between .aiff and .aifc. It looks as if they are about the same except you can compress .aifc. Does it really matter which is which if you're not compressing or anything and just clicking and playing?
imac g5 Mac OS X (10.4.5) Woodwinds, presonus firebox, Garageband and Logic Express, iweb

-After I publish site to folder. When I go in and
right click on the link to save to desktop, the file
I thought used quicktime player becomes an itunes
.aiff file with the itunes colors (green) and opens
using itunes, thus adding the file to my itunes
library.
I think this is a function of how someone's browser is set up or maybe system preferences that associate file types with certain default applications. For instance, you can take the .aiff file on your desktop that is currently associated with iTunes (and has the iTunes icon)....right click on it and select "Open with..." In the opened window select QuickTime player and then check the "Always Open With" box. This will make QuickTime player the default player of .aiff files instead of iTunes. So you see how it is a user defined variable in terms of which application opens which document.
I'd like people to be able to just open the .aiff and
quicktime player would automatically play the file,
this way unwanted stuff won't be added to itunes
library.
An alternative would be to convert your sound files to .mov files that will by system default be opened by QuickTime player directly...just like iTunes is the system default for .aiff sound files.
If you have found any of this information to be useful to you, please take the time to provide me with feedback by marking my reply as "solved" or "helpful" using those little buttons that you see in the title bar of this reply. I'd really appreciate it!

Exporting an .aif file

I can export out an .aif file but it says that it's an AIFC file when I click on it's information.
Is there anyway to export out a simple .aif file?
-Evan Jacobs

AIFC is a compressed version of AIFF.
I've had experiences with certain audio apps not recognizing AIFC.
I haven't been able to find a clear answer as to how AIFC is compressed but IMHO there should be a way to produce the file format of choice and get what you ask for.
If AIFC is indeed different from AIFF then we should have the ability to select between the two.
Another interesting point is that on the occasions when I do receive AIFC files from clients they always think they are sending regular AIFF.
I think the OP's concern is valid.
g

What to do about iTunes files constantly disappearing?

Often, and more and more recently, when I go to my iTunes folders to burn a CD one of more
selections in the playlist are suddently "lost" (I'm a performer and a composer, and I often make CDs of my own works for demo). These are from Sibelius files, that I have to convert into AIFC format with a program named WireTap Pro, because Sibelius files are not properly formatted to convert directly into iTunes. (Does anyone know of a better way to do this than WireTap Pro?) Today I want to burn a couple of CDs and the first playlist contains 4 of 17 numbers that are somehow "lost" in the program. The only way to get them back in is to convert the Sibelius files once again to AIFC and then drop that icon into iTunes. This has often happened and now more and more.
Perhaps related: when the WireTap file is created, Quicktime opens although I DO NOT WANT THAT
TO HAPPEN! I think I've done everything in Quicktime preferences to prevent the program from
opening when I insert a CD, for instance, but these files are created within my G4, so the goddam
Quicktime keeps opening. As well, these AIFC files take up LOTS of space, so when I have dropped
them into iTunes I take the desktop icons to the trash.
SHOULD I NAME THESE FILES SOMETHING OTHER THAN .aifc WHEN THEY APPEAR ON THE DESKTOP?
Maybe that's what I'm doing wrong. Thanks, James Johnson in Plattsburgh NY (big snowstorm today)

Are the files truly lost or just that iTunes has lost track of them? I occasionally find iTunes has lost track of a file but I can use Spotlight to find it again (if it isn't in some logical location since I don't have iTunes automatically consolidate my music). If the tracks are misplaced you can re-associate them when iTunes asks you if you wish to do this when trying to play a track. If files are randomly disappearing from your computer you have bigger issues than iTunes not finding something!

AIFC to Dolby Digital...

My movie Soundtrack right now is an AIFC file. In FCP6 I used File --> Export --> Audio to AIFF. I think it sounds good. It comes up on my DVD player as PCM 48 2 channel file for the audio.
Is it necessary to go into Compressor and change this format (AIFC) into Dolby Digital (AC3)? Is there a big difference?
I am curious about this one. I sent my movie screener to a few festivals in this PCM 48 2 channel format for the movie. For the master I should use Dolby?

AIFC is a variation on the AIFF audio format that +allows for+, but does not neccessarily have to be compressed.
AIFF and AIFC files are quite large when compared to highly compressed Dolby ac3 audio.
The question you should be asking is whether your video quality is being compromised because it has to have a lower bit rate to accomodate your large audio file and is their an audible difference in using ac3. But only you can answer that.

Have imovie 6.0.3 problem

I am using imovie 6.0.3- altho I have imovie 8 on the laptop as well. I am still not used to the newer version. In the older version-- I am having a glitch. When i put photos into the movie pane, the cursor goes over each one, but the pictures do not show up in the movie being played- it may skip one picture until the very end of the 5 seconds, then show it for 1 second, then do the same for other photos.
Could this be caused because I have a newer version on the computer?
ANy ideas as to what may be causing this glitch, and how to fix it? HELP!!
Thanks

You can use WireTap Pro to record the sound effect, creating an AIFC file. Name it whatever you wish, save it to your desktop, and drag/drop it directly into iMovie's audio track. You can put it into iTunes so it will be available whenever you want.
WireTap Pro is a neat little app that records anything that will produce sound in your computer. I use it a lot to make audio clips of part of a song, or to copy the audio of one of my video clips that I replace with still photo. It is much faster than extracting audio from a short clip. I also use it when iMovie won't play a purchased tune instead of burning to cd and reimporting. WireTap can be run while iMovie is open. It also can be used to drag/drop an audio file into iDVD.
iMac FP 1GHz 80GB 1.25RAM, ext drives: Maxtor, Lacie Mac OS X (10.4.8) iPhoto6.0.5, iTunes7.0.2, iMovie6.0.3, iDVD6.0.3

How does this program work???

My Mac Powerbook G4 has GarageBand 3.0.4, which I have not yet used.
Now I want to create a file which has one track entered from an aifc file
(converted from Sibelius 4 with Wire Tap Pro). Once I have this as a GB
file, I want to overlay a second vocal track. Haven't a clue how to do this.
Help, help! James Johnson, Plattsburgh NY

Thanks very much for the nudge, and I'm beginning to get the feel of it.
One thing I don't quite "get" already: having created a real instrument track,
why is it necessary to select a sound? I selected basic male vocal of course --
haven't tried to record anything yet.
Also: if I have already installed the track which is my completely composed instrumental
of the song, why should I (or do I?) have to select a tempo and key? I am guessing that
I don't have to do that.
If you please, you can reply to me at [email protected] JJ

Can't import itunes songs from imovie

When I try to play a song from my itunes list on imovie it doesn't play. Then if I drag it into the movie I get the following error message:
"The file could not be imported: The file could not be found."
If I open itunes I can drag the same song in and it will work. It's just a hassle to do so. Any help?
Mackbook Mac OS X (10.4.9)

Hi, Trevor,
Sorry that didn't work.
Are the songs you cannot import purchased songs from iTunes Music Store? If so, you will need to burn them to a CD and reimport them into iTunes and then they will work.
Or, if you are having problems with only one or two songs, you can use WireTap to record these and then import the resultant AIFC file into iMovie. You can find WireTap here
If you are having problems with all songs regardless of whether they were purchased or imported from your own cds, then the problem is with your iTunes. Try deleting the iTunes plist (Same pathway, just a different com.apple.iTunesplist).
Post back if neither of these helps.

Minor AIFF Sound Effect

I realize this is a minor problem but I have an Sound effect in iMovie 6.0.3 , along with many others, and it will not burn in my iDVD project. Not to a DVD or Disc Image, nothing.
I remove it from iMovie and it will burn in iDVD. I realize this is the solution to burn it but would like this sound effect in if possible. As I said , I have much music and other sound effects in this movie but this one is giving me trouble. I was looking for suggestions that I could try from any of you.
Thanks

You can use WireTap Pro to record the sound effect, creating an AIFC file. Name it whatever you wish, save it to your desktop, and drag/drop it directly into iMovie's audio track. You can put it into iTunes so it will be available whenever you want.
WireTap Pro is a neat little app that records anything that will produce sound in your computer. I use it a lot to make audio clips of part of a song, or to copy the audio of one of my video clips that I replace with still photo. It is much faster than extracting audio from a short clip. I also use it when iMovie won't play a purchased tune instead of burning to cd and reimporting. WireTap can be run while iMovie is open. It also can be used to drag/drop an audio file into iDVD.
iMac FP 1GHz 80GB 1.25RAM, ext drives: Maxtor, Lacie Mac OS X (10.4.8) iPhoto6.0.5, iTunes7.0.2, iMovie6.0.3, iDVD6.0.3

A/V Syc Problems

Hey everybody.
I'm the videographer for one of my school plays, and I'm having editing problems. In order to get better voice recordings from the stage, I used a microphone seperate from that of the video camera. I have had no troubles syncing the audio and video in iMovie at the beginning, but when I shuttle to the other end of a the scene, the audio is roughly fifteen seconds out of sync. The scene itself is about 20 minutes long. I tried slowing down the video to compensate, but a one pixel difference damatically overcorrected the issue. Back to square one.
So then I tried importing the audio into Audacity to see if a could spped it up the tiny amount required. Unfortunately, Audacity seems to be having problems importing AIFC files. I'm unfamiliar with them, too.
I want to try converting the files inside Quicktime Pro, but I don't have it, and my parents won't buy it until someone else says it'll work.

This sounds like you've been using a Canon camcorder, and with the audio possibly set to 12bit (32kHz) instead of 16bit (48kHz).
Canon audio tends to slip out of sync in any single continuous clip over about 20 mins.
You should be able to adjust it with Audacity: try importing again, and just snip off half-a-second of audio here and there - say every fifty seconds or so ..just under every minute.
To edit it with Audacity, just 'Extract' the audio in iMovie. Then do the following:
1 - In iMovie, double-click the extracted audio clip to see what iMovie calls it: ignore the 'Name', but make a note of the 'Media file:' ..it'll probably be called "Extracted Audio 01.aiff". Save your movie and close iMovie.
2 - In the Finder, go to your 'Movies' folder (or wherever you've stored this particular movie) and Ctrl-click (or right-click) on the particular movie's name, and then choose 'Show Package Contents'.
3 - Then open the 'Media' folder, and drag the file "Extracted Audio 01.aiff" (..or whatever it was called..) onto your Desktop or into the 'Movies' folder ..anywhere as long as it's out of the Media folder within the 'Package' which comprises your movie (because Audacity won't be able to find it if it's hidden within the 'package' which comprises your movie).
4 - Open Audacity, and choose File and Open, and navigate to where you've stored that "Extracted Audio 01.aiff", and choose that. It should import into Audacity with no problem.
5 - Do your editing (see below) and then Save and close Audacity.
6 - With the Finder, open that 'Package' which is your movie - by ctrl-clicking or right-clicking on it again - and drop the edited "Extracted Audio 01.aiff" back into the 'Media' folder.
When you re-open iMovie, your edited "Extracted Audio 01.aiff" should play correctly.
When editing it in Audacity, try to snip out a bit of silence just before someone speaks: the very slight resultant lack of sync probably won't be noticeable in the video from where your camera was standing. Try to chop out teeny bits of silence, rather than cutting out actual sounds.
Congratulations on choosing to use an external mic instead of the camcorder mic, though!
Oh, and welcome to iMovie Discussions.

AIFC files

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