Designate a unique ringtone for each specific contact and immediately know who’s calling! AVCWare iPhone Ringtone Maker for Mac helps you create iPhone ringtones from various audio and even video sources, then transfer the M4R ringtones directly onto your iPhone 3G. Audio and video formats supported: AVI, MPEG, WMV, DivX, MP4, H.264/AVC, AVCHD, MKV, RM, MOV, XviD, 3GP, MP3, WMA, WAV, RA, M4A, AAC, AC3, OGG, etc.
To help you customize your iPhone ringtones, this iPhone ringtone creator allow Mac users the possibility of trimming video/audio files and adding fade-in effects. Preview your audio section and make further customizations to complete your perfect iPhone ringtone with the AVCWare iPhone Ringtone Make for Mac.

Device Supported
iPhone, iPhone 3G, iPhone 3GS, iPhone OS 3.0
Input File Format Support
Video	AVI, MPEG, WMV, MP4, FLV, MKV, H.264/MPEG-4, DivX, XviD, MOV, RM, RMVB, M4V, VOB, ASF, 3GP, 3G2, SWF, H.261, H.264, DV, DIF, MJPG, MJPEG, DVR-MS, NUT, QT, YUV, DAT, MPV, NSV AVCHD Video (*.mts, *.m2ts), H.264/MPEG-4 AVC (*.mp4), MPEG2 HD Video (*.mpg; *.mpeg), MPEG-4 TS HD Video (*.ts), MPEG-2 TS HD Video (*.ts), Quick Time HD Video (*.mov), WMV HD Video (*.xwmv), Audio-Video Interleaved HD Video (*.avi)
Audio	MP3, WMA, AAC, WAV, CDA, OGG, FLAC, APE, CUE, M4A, RA, RAM, AC3, MP2, AIFF, AU, MPA, SUN AU Format
Output File Format Support
Audio	M4R

Components	Recommended Configuration
OS	Mac OS X v10.4 - 10.5
Processor	PowerPC® G4/G5 or Intel® processor
RAM	512MB RAM
Free Hard Disk	30MB free hard disk space for installation
Graphic Card	Super VGA (800×600) resolution, 16-bit graphics card or higher