Use Flv Converter to convert audio from Flv video to the mp3 audio. Flv Converter is free application.

FLV - One of the most recognized and used formats on internet today. Created specifically for online usage, flv format is choice of most online video services like youtube. Flv can contain an audio stream, which is often encoded in AAC or MP3. Flv is based on traditional "seek points" and keyframes for indexing and searching through the material. A Flash Player must be present on a host system in order to play flv files. Since FLV files on internet contain an audio stream users often download flv files to listen to music contained within the flv file. The problem with that is, flv is not meant and not really suitable as a format to playback audio. Many audio players and almost all portable music devices doesn't support flv audio playback. The solution is to convert flv into the mp3, ie to "extract" the audio tract from flv and convert it to mp3 format. To do this (convert flv to mp3) you'll need a program like Flv Converter, which is a completely free solution to convert downloaded flv to mp3, or other formats.

MP3 - Mp3 is hugely popular digital lossy audio format. Today it represents a standard for compressing music and transfer over internet. All media players available on any operating system today recognize mp3 and almost all portable music players use mp3 as the format of choice. Mp3 is a "lossy" format, which means information's are lost during the compression, which means lower audio quality. Luckily, mp3 is designed in such a way that most of the removed frequencies are outside of what a typical human ear can hear, so most people can not notice any difference listening to a mp3 versus original, uncompressed music, especially on a ordinary mp3 players, which aren't amplified and doesn't give the most clear sound. Files produced by mp3 compression algorithm are very small, and the final file size of mp3 file will depend on the bit rate used for compression.
A number of utilities for converting, or ripping cd's into the mp3 files are available. Often people want to take a music from a flv video clip and save it as a mp3 file. You can download Flv Converter for this purpose, to "extract" a sound from flv and convert it into the mp3. Flv to mp3 conversion is fast and cost nothing, because Flv Converter is free software.

Flv to Mp3 - to convert Flv flash video to mp3 use free Flv Converter program which you can download from this site. Note that mp3 is an audio only format and flv contains both video and audio compressed material, thus when you convert flv to mp3 only audio contained within flv will be converted into the mp3. To convert flv to mp3 import the source flv into application, adjust the quality settings if needed and click on "Convert" icon.

To download Flv Converter use the link bellow.