Ringtone Maker is a compact full-featured ringtone maker which allows you to make ringtones from any sound, be it your favorite song, a soundtrack from your favorite movie, your friends' voices, your kids' laugh, your cat or your doorbell.

Open the "itunes", select the menu bar "File" - "Add File to Library"
Choose songs to be the ringtone, and click "Open"
The song will appear in the "music" of "database"
Right-click the song and select "Get Info"
Select "Options" fill in "start time" and "stop time" (40 seconds), - "OK"
Right-click the song again and select "Create ACC Version"
Rise to the same file name, but is a long file within 40 seconds
Right-click the newly created song and select "windows explorer display", then make "m4a" format converted to "m4r", click "Yes" in pop-up window.
ps: If you do not see the "m4a", the choice is "in windows explorer display", in the menu bar select "Tools" in the "Folder Options", select "View" in the "Advanced Settings" , remove the "hide known file extensions" in front of the hook, and then click "OK."

Check: Find "Preferences" in the "itunes" menu bar "Edit" and open
In the "common" - "source" in the "ring" in front of the tick, and then click "OK"
Then in the "database" you can see "ring"
Open the "ring", you can see whether your files have been converted into ringtones

Then in the "equipment" to open "iphone", you need select the "ring" in the "Sync ringtones" tick items, or select "All ringtones" or "selected ringtones" and select "Sync", you can see successful synchronization "ring" after the ring will appear in the phone's "Settings" - "Sound" - "ringtones" - "Custom" which Use this ringtone, simply select it. "Custom" option is above the "standard" option.

Step one: Open itunes, into the music list, find the songs you want to make as ringtones. Then double-click it to play, you can see the upper part shows the itunes playing time, and record the ring as part of the climax. For example, 1:05 - 1: 35, you need remember iphone ringtone file size must be no more than 40 seconds.

Step Two: Right-click the name of the song to be the ringtones, into the "Info" tab at the top menu bar go to "Options", and respectively, enter the start and stop times, and then it is OK.

Step Three: Return to itunes music list interface, right-click the song again in the menu, select "Convert Selection to AAC", then you will see the song list after more than an audio file at the same name, but playing time is much shorter than The original file. This is the file we want for ringtones: Right-click the file, select menu "in the display windows Explorer" in the pop-up window, and change from "m4a" directly to "m4r" of the file extension. Just a few minutes would be cost in converting the pieces you cut from a big audio file to a MP3 or AMR file. Then a new mp3 ringtone can be used immediately. Also, you can mark the cutting start-time or end-time just when pre-listening to the song and listen to the selected song at the same time before you save it. Just try to download AVS Ringtone Maker to convert audio file to mp3 ringtone !

Note: Many comrades flying SMS tell me they can't change the file extension, if you see the file name suffix does not show the back, please operate as the following: 1, just open a file, the following window appears. For example, open My Computer, On the menu bar click "Tools" - "Folder Options". 2, in the "view" inside the "hide known file extensions" remove the hook before the hook, you can change the suffix. Then double-click the file, you can see the file itunes ringtone list one more, hey, ring is produced, taking less than 2 minutes. Many crazy friends who fly the letter as described above, in the double-changing for the better after the ringtone file suffix, itunes ringtones list ringtones does not appear, because you did not use the computer itunes set to play. m4r format is of the default player, so not open the ringtone file through itunes, it will not be added to itunes ringtone database. The solution: to change the ringtone file extension unified into a folder, then import the music file as the same, through itunes menu File - Add Folder to Library feature to add ringtones to itunes database file, or operation in the original double-clicks the square, into a right-click, then choose to use itunes to open the file. The final step: the iphone sync with itunes, select all in the ring inside the ring, or individually select the ringtones you want to synchronize, and then point the lower right corner of the "sync" get.