What ringtone formats that Motorola supports?

About Midi Musical Instrument Digital Interface - a high quality audio file format. About MP3

MP3 is slang for "MPEG Layer-3". MPEG stands for "Moving Picture Experts Group," and refers to the experts who developed MPEG - a set of industry standards for digitally encoding video and audio information.

About AMR

AMR( AdaptiveMultiRate ) is an audio format which is extensively used in mobile devices in various applications ranging from normal audio player/recorder to VoIP kind of applications.

Ringtone formats that Motorola supports

A1000 : MIDI, MP3 A630 : MIDI, MP3, AMR A780 : MIDI, MP3, AMR A840 : MIDI, MP3, QCP, AMR A845 : MIDI, MP3, AMR C650 : MIDI, MP3, AMR, AAC E815 : MIDI, MP3, QCP, AMR MPx: MIDI, MP3, AMR PEBL: MIDI, MP3, AMR Q : MIDI, MP3 RAZR V3 : MIDI, MP3 ROKR E1: MIDI, MP3, AMR, AAC ROKR E2: MIDI, MP3, AMR SLVR L2 : MIDI, MP3 SLVR L6 : MIDI, MP3, AAC SLVR L7 : MIDI, MP3, AMR SLVR L7c :MIDI, MP3, AMR MPX 220 : MIDI, MP3, AMR MPx 200 : MIDI, WAV KRZR K1m : MIDI, MP3, QCP, AAC

V176 : MIDI,AMR V177 : MIDI, AMR V195 : MIDI, MP3, AMR V180 : MIDI, MP3 V186 : MIDI, MP3 V188 : MIDI, MP3 V190 : MIDI, AMR V220 : MIDI, MP3, AMR V235 : MIDI, MP3, AMR, AAC V265 : MIDI, MP3, AMR, AAC V276 : MIDI, MP3, AMR, AAC V300 : MIDI, MP3, AMR V325 : MIDI, MP3, AMR V330 : MIDI, MP3, AMR V360 : MIDI, MP3, AMR V365 : MIDI, MP3, AMR V400 : MIDI, MP3, AMR

V500 : MIDI, MP3, AMR V505 : MIDI, MP3, AMR V505 : MIDI, MP3, AMR V540 : MIDI, MP3, AMR V557 : MIDI, MP3, AMR V600 : MIDI, MP3, AMR V635 : MIDI, MP3, AMR V710 : MIDI, MP3, AMR, AAC

About AAC

(Advanced Audio Coding). A file format developed by the MPEG group and similar in nature to mp3, though not as widely used. The AAC format is the format used by Apple's iTunes music download service.

About QCP

The QCP file format is used by many cellular telephone manufacturers for providing voice ring tones.

About WAV

An audio file format, developed by Microsoft and IBM. The conversion process from an analogue signal to a digital file can be done over several levels - 8-bit or 16-bit depth and 11, 22 or 44.1kHz sampling rate.