How to Adjust Sample Rate of MP4, AVI, MKV, MP3, AAC, WAV, FLAC etc?

Overview

Sample rate means the number of times a piece of digital audio is recorded per second. If one video or audio file has higher sample rate, which means it also has the higher frequency. After test, 48kHz is commonly used for audio files, but sometimes, in order to pursue superior fidelity, some music producers want higher audio sample rate or for some specific requirement, some users want to decrease the video or audio sample rate. Is there a method to do that? Of course, the following article will just introduce a professional sample rate converter - iDealshare VideoGo to help users to adjust the video or audio sample rate.

Sample Rate Converter - iDealshare VideoGo

• Increase or decrease the sample rate of any video or audio file in any video or audio format, like MP4, AVI, MOV, WMV, MP3, AAC, WAV, WMA, FLAC, AIFF, etc.
• Change the video or audio format after adjusting the video or audio sample rate.
• Edit video or audio in other ways: trim video or audio, split big video or audio file, rotate video, change video or audio codec, bitrate, size, volume, etc, add or remove special effects, subtitles, watermark, logo, etc.
• Convert any video or audio format to any other one supported by any of your video or audio playing or editing devices or editors.
• Batch conversion function is supported when converting video or audio files.

Guide on Adjusting Video or Audio Sample Rate

The following guide will work to adjust video or audio sample rate easily. The following guide will take adjust MP4 file sample rate as the example.

Make Preparation: Run Sample Rate Converter

Free download the powerful AVI Video Frame Rate Converter Mac or Windows version - iDealshare VideoGo (for Windows, for Mac), install and run it, the following interface will pop up.

Step 1 Import video or audio files

In this step, we only need to add the video or audio files to this sample rate converter. Users can also drag and drop the files to this sample rate converter.

Step 2 Adjust sample rate

• Click "Setting..." button to open the "Advanced Settings" windows, then switch to the "Advanced" panel;
• In the "Advanced" panel, you may see the Sample Rate option under the Audio Codec;
• Then double click on the right side of "Frame Rate" tab to select preferable sample rate.
• Finally click "Apply to All" and OK.

Step 3 Define output video format and destination (Optional)

Click the "Profile" drop-down button to select desired video format as output profile from the "General Video" or "General Audio" or other categories

Step 4 Finish adjust audio sample rate

After all the above settings, click the "Convert" button to complete adjusting sample rate conversion process.