Aiseesoft iPhone 4 Ringtone Maker is able to help you rip any DVD disc and convert popular video/audio files, including MPG, MPEG, MPEG 2, VOB, DAT, MP4, M4V, TS, RM, RMVB, WMV, ASF, MKV, AVI, 3GP, 3G2, FLV, SWF, MPV, MOD, TOD, QT, MOV, DV, DIF, MJPG, MJPEG, HD video and MP3, MP2, AAC, AC3, WAV, WMA, M4A, RM, RAM, OGG, AU, AIF, AIFF, APE, FLAC, NUT audio, to iPhone 4 M4R ringtone, then transfer it to iPhone 4 directly. Also it allows you to export the iPhone 4 ringtones to computer, iTunes and other iPhone devices. Moreover, this software is highly compatible with the iPhone 4S, iOS 5 and iTunes 10.5.1.42 after upgraded. Key Functios 1. Create iPhone 4 ringtone from any DVD/video/audio files Aiseesoft iPhone 4 Ringtone Maker can convert almost all the video (AVI, MPEG, WMV, MP4, FLV, MKV, MOV, RMVB, M4V, VOB, ASF, 3GP, 3G2, etc.), audio (MP3, WMA, AAC, WAV, OGG, M4A, RA, RAM, AC3, MP2, etc.) and DVD files to M4R as the iPhone 4 ringtone. 2. Customize the output iPhone 4 ringtones With this iPhone 4 Ringtone Maker, you can trim the loaded DVD/video/audio length and convert any video segment to the iPhone 4 ringtones. 3. Manage added iPhone 4 ringtones Using the iPhone 4 Ringtone Maker, you are free to remove and rename the added iPhone ringtone directly. Also you can export the iPhone 4 ringtones to computer, iTunes and even other iPhone devices. 4. Transfer to iPhone 4 as ringtone directly This iPhone 4 Ringtone Maker can not only make iPhone 4 ringtone, but also import various files to iPhone 4 directly. Besides, you can keep the output ringtones to computer and iTunes. 5. Built-in player You can pre-listen the sound of the video/audio sources and the converted audio before generate ringtone. 6. Ringtone volume and fade-in/fade-out effect To have a better enjoyment, users can adjust the video volume and add the fade-in and fade-out effect.