what is the video and Audio settings for a good quality 3gp file?

It helps you converter moving videos between all popular formats, Enjoy the highest conversion speed on the market!I think the Need4 Video Converter is your best choice,It alway works well for me.
Inut Video Formats: AVI (DivX, XviD, etc.), DV AVI, MP4 (Sony PSP, Apple TV, iPod, iPhone, BlackBerry, etc), WMV (including Zune), ASF, FLV, 3GP, 3GP2, 3GPP, 3GPP2, QuickTime (MOV, QT), DVD, VOB, IFO, VIDEO_TS, AUDIO_TS, MPG, MPEG 1,2,4, MOD, DAT, MJPEG, VCD, SVCD, H.263. NEW! M2T, MTS, MKV, VRO.DVD MP4 Converter for MAC provides fast access to high-qualified, easily handle DVD to MP4 conversion.
Output Video Formats: AVI (including DivX, XviD, MJPEG, and other codecs), MP4 (Sony PSP, Apple TV, iPod, iPhone, etc), WMV (including Zune) 3GP, 3GP2, 3GPP, 3GPP2, QuickTime (MOV, QT), FLV, MPG, MPEG 1,2,4, H.263, H.264, Real Media (RM, RMVB).
Output Video for Mobile Devices: iPod, iPhone, Apple TV, PSP, Zune, PDA/Pocket PC (including BlackBerry), Creative Zen, Archos, Epson media players, any cellphone.
You can see detail and Guides in here:
A fast DVD to iPod for Mac converter which can convert DVD to iPod, rip DVD to iPod on Mac OS with high quality.
I hope this may help you.
You can try Tipard Video Converter. It supports the mutual conversion between all the video formats.
Input Formats: MPG, MPEG, MPEG2, VOB, MP4, M4V, RM, SWF, RMVB, WMV, ASF, TS, MKV, AVI, 3GP, FLV, MPV, MOD, TOD, MP3, MP2, AAC, AC3, WAV, MID, MIDI, WMA, M4A, RA, RAM etc..
Output Formats: MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, Mov, RM, RMVB, M4A, AAC, WAV, OGG, RA etc..DVD to Apple TV Converter for Mac, top Mac DVD to Apple TV converter, can rip DVD to Apple TV video MP4 and transfer DVD to Apple TV on Mac easily.
It also has strong editing functions of video effecting, video trimming, video cropping, video joinning.
For more informaion and free download from:
tipard
It is easy to operate. Just few clicks are OK.
Here is the specific guide for you to follow:
tipard
Hope it useful for you.