Nowadays, many people will have the question about downloaded online FLV. Why can some FLV converters not recognize them for extracting audio? Why are these FLV files recognized as invalid files? Actually, now the online video-sharing web sites especially YouTube start accepting all types of Adobe FLV files including encoding with H264, H.263, VP6, VP6 alpha and so on.
Know more about F4V:
For FLV encoded with H.264 is a new type. Currently some FLV converters do not support this type of FLV input. Thus this results in failing to input downloaded FLV into some converters. This type of FLV is also called F4V. Generally it is also called HD FLV which owns better video quality compared with other types of FLV files.
How to extract the audio from F4V? It is not difficult as long as you choose an FLV converter that can accept F4V for extracting audio. FLV to Video Converter Pro 2 is just this kind of program. It can convert FLV including F4V to other video formats like AVI, MPEG, MP4, WMV, MOV, 3GP and more. In addition, if you want to get the beautiful music from F4V, it can help extract audio to MP3, M4A, WMA and AAC.
Know more about these audio formats:
It is most popular audio format currently. Generally it can be put into most portable devices due to its smaller size and better music quality. It is easy to download and send through the Internet.
It is short for MPEG-4 Audio file which uses MPEG-4 audio compression. This kind of audio format use the same compression as an MP4 video file but no a video track. It is always known as Apple Lossless, Apple Lossless Encoder, or ALE. It is a new codec designed to provide lossless encoding in less storage space. Not all the programs can open it except for Apple iTunes, Apple QuickTime Player or Microsoft Windows Media Player.
It is developed by Microsoft. The full name is Windows Media Audio. Apart from Windows Media Player, it can be played using RealPlayer, Winamp, Zune, ALLPlayer and MPlayer.
The full name of this audio format is Advanced Audio Coding. AAC is well-known as the default audio format of Apples iPhone, iPod, iTunes, and the format used for all iTunes Store audio. From the advertising word of Apple Company for this audio format, small files and large sounds, you can see its advantage compared with other audio formats.
The simple steps to extract audio from F4V:
Download and install FLV to Video Converter Pro 2. Run to see the main interface.
Import F4V into the software via clicking Add FLV icon.
The program firstly will prompt that you are importing F4V and you need to convert and save it as a traditional FLV. Click OK to continue. Then the F4V will be input successfully.
Configure the output settings.
Choose the output folder in Export to box and specify the output audio formats including MP3, M4A, WMA and AAC.
Start extracting audio from F4V.
Click Convert tab and hit start to begin extracting audio from F4V. You can find the output audio files on your specified folder after it finishes encoding. Now enjoy it.