Advanced Systems Format, also known as ASF, was created by Microsoft. It works well with Windows media player and is an ideal format for the streaming of audio and video content on the internet. But it has poor compatibility with most media players. If you hope to extract the audio from an ASF video for wider users, converting ASF files to MP3 will be a wise choice. So you need to find a decent format converter, such as WonderFox HD Video Converter Factory Pro.
WonderFox HD Video Converter Factory Pro is a beginner-friendly video converter that you can convert ASF to MP3 in clicks. Meanwhile, it features a batch mode allowing you to convert multiple ASF files to MP3 in one go. Aside from that, you can convert ASF to any desired format as it supports over 500 output presets. Additionally, this functional video converter allows you to edit the ASF video and adjust the parameter settings freely. For instance, you can switch mono to stereo, customize the bitrate and sample rate of the output audio files, and it also allows you to amplify the volume.
Launch the ASF converter and select Converter among the five modules: Converter, Downloader, Recorder, GIF Maker, Toolbox. Next, click the center + button or the top Add Files to import the ASF videos into the converter. You can also drag all files into the program directly.
On the right side of the interface, click the format image to open the output format list. Go to the Audio section and select MP3 from the profiles below. Then, the converter will automatically smart fit the best settings for your output.
After you choose MP3, the program will smart fit the audio settings. But you can hit the Parameter settings tab and continue to modify specific parameters like channels, bitrate, sample rate, or volume based on your needs. Don’t forget to save your changes by hitting Ok.
Finally, click the bottom triangle button to specify an output folder or leave it as default. Then hit the Run button to change ASF to MP3 file type in bulk.
If you don’t want to install third-party software or your disk space is in an emergency, you can try an online converter to complete the conversion. But most web-based services have their own limitations. Take Convertio as an example. It is very easy to use but it is limited to a file up to 100MB. And the unregistered account is limited to process two files at a time. If you just perform video conversion occasionally and the files are small, try online tools. The following are the simple steps:
Step 1. Visit https://convertio.co/;
Step 2. Upload the ASF video you want to convert;
Step 3. Choose MP3 as the output audio format;
Note: You can click the gear-shaped Setting icon to cut and modify the audio parameters for the output MP3 file;
Step 4. Press the Convert button to start conversion and download the converted files.
Online tools are more accessible to users while the desktop converter has better stability and exports audio files with higher quality. On top of that, WonderFox HD Video Converter Factory Pro can do more than convert videos to audio, it can also function as a powerful online video downloader, video and audio editor, ringtone maker, GIF maker, screen splitter... Just GETGET it here and take a shot now. It will never let you down!