Xilisoft FLV to 3GP Converter FAQ
Q1: What are system requirements for running this FLV to 3GP Converter?
A: If you want to run this FLV to 3GP Converter on your PC, here are the system requirements:
- Microsoft® Windows XP (SP2 or later), Windows Vista or Windows 7 OS
- 1GHz Intel/AMD or faster processor
- 512MB or above RAM
- 100MB available disk space for installation
- Super VGA (800×600) resolution, 16-bit graphics card or higher
Q2: Where do I download this FLV to 3GP Converter?
A: Please download this FLV to 3GP Converter from our website at
Q3: I have gotten my license code and how to register?
A: First please run the program and click 'Help > Enter License Code…' option to open 'Registration' window. Then copy and paste your license code and user name in corresponding text boxes to register.
Q4: How to get started with this FLV to 3GP Converter?
A: You just need to click 'Add Files' button to load video/audio files into the file list and check items you want to convert, select the needed profile and then click 'Convert Checked Item(s)' button to start your video converting.
Q5:How should I do to check the loaded file's information in the program?
A: You need highlight it first and run 'Properties' item in the 'File' menu. Then you can read the information of the file, such as Bit Rate, Frame Rate, in the following dialog-box.
Q6:Where are the other settings like Frame Rate and Sample Rate appeared on the right of the main interface in the previous versions?
A: On the top right, beside the item 'Basic Settings', there is a button called 'Show Advanced Profile Settings'. An extendable panel will show other settings after clicking it. You can set audio Bit Rate and Sample Rate, as well as other items there.
Q7: How can I modify the settings on the right panel of the interface for my conversion job?
A: Before you modify anything, you must highlight the file you want to convert in the program. Besides the values we have offered, you can simply enter a number you want for the conversion of most output formats, such as audio Bit Rate, Sample Rate. Sometimes, it would be limited by the output format and other conditions.
Q8:Is it possible to save the profile with the modified settings as a new one for use next time?
A: It can be done by the 'Save As' button. After you finish the modifications, please click this button and finish other jobs following instruction. After the profile is created, you can delete or re-name it as you like.
Q9:Is it possible to get a clip/segment of my video file converted?
A: Yes. You need set 'Start Time' and 'Length' to get the clip you want. It is on the 'Advanced Profile Settings' panel. First of all, you should highlight your video file in the program. And then enter correct values for 'Start Time' and 'Length', which can be found on the right. panel of the interface. For example, if you want the first 3-minute-clip from the 10 minutes of the whole movie, please enter '00:00:00' for 'Start Time' and '00:03:00' for 'Length'.
Q10:How to avoid the glitch during the output audio playback?
A: Maybe you have set a smaller value for audio bit rate which is also on the 'Advanced Profile Settings' panel. Please try larger one for it. Generally speaking, the default value we offer can assure a good result.
Q11:What does 'Add Output Profile' mean?
A: If you want to get same source, title or chapter, converted into different target files with different formats or different configurations, this function will help you. It will be activated after you highlight the loaded file you want to convert. After clicking it, a new profile item is added below the file that you chose so that you can highlight it and select any other profiles for it.
Q12:How can I know the most proper values for video and audio bit rate within the output size I expect?
A: We have a small tool in the 'Tools' menu, Bit Rate Calculator. By this tool, you will get the proper values for video and audio Bit Rate respectively according to the output size you enter there. Once again, you must highlight the title or chapter that you want to convert first. What you decide there will be shown in the relevant items on the right automatically after you confirm them.
Q13:Can I make certain settings to improve the image quality of the output 3GP file?
A: The default settings which we offered for 3GP output are those requested by most of mobile phones. If you want to get better quality, please select 'mpeg4' as video codec instead of 'h.263', as well as set a larger number for video bit rate and video size. They will produce a file with better quality but you must be sure that those settings can also work with your phone.
Q14:The output 3GP files are playable well by QuickTime but the video and audio get out of sync after playback on my phone. Why?
A: Maybe your phone requires different settings from what we offer which can work for most of phones. Can you get to know what proper settings for frame rate and others your phone can support? If you have no clear idea about it, please send e-mail to our support team at firstname.lastname@example.org and they will help you out.
Q15:What do I need to do to get better audio quality in the output 3GP files?
A: The default audio codec for 3GP output is 'Amr_nb', which cannot support higher value for bit rate and sample rate. You need to select 'mpeg4aac' as audio codec first in the list so as to modify other audio settings.