ImTOO 3GP Video Converter 3.1 - User Guide and FAQ

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Frequently Asked Questions - ImTOO 3GP Video Converter

1. What is 3GPP, 3G2 and MPEG-4 file format?
   
   • 3GPP: GSM Network, Video: MPEG-4, H.263, Audio: AAC, AMR
   • 3G2 : CDMA Network, Video: MPEG-4, h.263, Audio: AAC, AMR, QCELP
   • MPEG-4: allows you to optimise every part of the movie, while maintaining compatibility. MPEG-4 contains a wide variety of compression technologies to deliver the best performance for every kind of content.
   
   
   
2. How to get best quality on cellular phone with MPEG-4 format?
   You can enter your screen size directly to getting best quality for your cellular phone. For example, you want a 220x176 video to play on your Motorola V3 Raza, you should change the default "video codec" (h.263) to "mpeg4", then set the resolution to 220x176, you get the movie with current resolution which you want.
   
   
3. What can I choose as the output format for my cellular phone?
   ImTOO 3GPP Converter now supports output file format 3GPP, 3G2, MPEG-4, RA, RM, AAC, M4A and Xvid.