I’m so excited after I got iPhone 4S from Apple store, maybe you have the same feelings. Now we can use this powerful mobile phone as we want. Ask Siri to report weather, record 1080P videos, play HD movies on iPhone 4S, or listen to music anytime, anywhere. iPhone 4S may attractive much attention in public place, at this time, we choose an appropriate ringtone is essential. Besides, you may want to use music as iPhone 4S’s ringtone, or just convert MIDI composed by yourself to iPhone 4S M4R format as ringtone. Here are some tips for you to convert audio to M4R format which is only supported by iPhone 4S.
1. Download Pavtube Video Converter. This software will help you to convert a few audio formats to M4R format, for example, convert MP3/WAV/WMA/MIDI to M4R, or convert OGG/APE/FLAC to M4R, etc. you can also convert audio between different formats.
2. Install and launch the converter. Import the audio file you want to convert. Then click format column to choose output format. In order to make ringtone for iPhone 4S, we choose iPhone > iPhone Ringtones (*.m4r). it’s the only ringtone format that iPhone 4S supported.
3. Before conversion, you can click settings to set the profile. You can change codec, sample rate, bitrate and channels to appropriate parameter.
4. Click conversion to start. The software runs smoothly, and the audio quality is perfectly guaranteed by Pavtube Video Converter.
After converting, you just need to load M4R audio to iPhone 4S, then you can set audio as ringtone to iPhone 4S, just enjoy it!
If you want to know how to convert YouTube MTV and common video to M4R as ringtone to iPhone 4S, you can follow this article: How to download YouTube MTV and make it ringtone to iPhone 4S?