How to Convert Video/Audio to M4R for Your iPhone Ringtone

Questions:
1. How to make an iPhone Ringtone from any video/audio files?
2. I want to make a ringtone out of a song that I bought off iTunes. How can I make an iPhone ringtone out of a song in my library?
3. Is there any way that I can get the songs from the movie I have downloaded as my ringtone?

Have you ever met such troubles? Do you have the same demand that wondering how to convert the downloaded or collected videos, movies or audio files to M4R as your iPhone Ringtone? If the answer is "yes", please check the following instruction to learn how to make iPhone ringtones from any video/audio files:

What You Need: Aimersoft Video Converter Ultimate

Aimersoft Video Converter Ultimate is a powerful M4R Converter which can convert all video formats like AVI, WMV, MKV, MP4, MPEG, MOV, FLV, etc. and all audio formats like AAC, MP3, WMA, M4A, 3GP, AC3, etc. to M4R format. Below are the detailed steps to convert any video/audio files to M4R for your iPhone, iPhone 3G, iPhone 3GS, iPhone4, etc.

1 Load any video or audio files into the program

Tap the files Add button at the upper-left of the interface to locate the file you would like to convert as your iPhone ringtone into the program.

2 Customize iPhone ringtone

Move the slider bar to trim any segment of the video or audio file that you preferred; or just input the exact start and end time that you would like to delete. In a word, you can get the part you want in many ways.

3 Choose M4R to output

Select M4R and a proper path before tapping the Start button.

In order to sync the converted ringtone to your iPhone successfully, please make sure you're the length of your converted file is not longer than 40s, which is the limit of iTunes.