Audio Track Manager – The easiest way to Mute, Replace and Mix the audio of a video.

By Administrator · Sunday, July 5 2026

In today's time, Video Editing is no longer limited to only professional creators. Students, Teachers, YouTubers, Social Media Creators and Visually Impaired Users also use different Audio Editing Tools to improve their videos. Sometimes the original audio present in a video is not required, sometimes new music has to be added to it, and sometimes the entire audio track has to be changed or background music has to be mixed with the original audio. Keeping these needs in mind, Audio Track Manager feature has been provided in Video Editor Hub of Tech Assistant for Blind app, which can be easily used with Screen Reader. With its help, you can completely mute the original audio of the video, add a new audio track, replace it with another audio, mix background music with the original audio, trim the audio, loop it if necessary and save the final video easily.

##What is Audio Track Manager? what is audio track manager? Audio Track Manager is a feature that allows you to completely manage the audio track of any video. If you want to remove the original audio from the video, replace it with another audio file or mix background music with the original audio, then this feature is very useful for you. There are three main options available in this feature:

Silence Video: Removes the entire audio track of the video and makes it completely silent.
Replace Audio: Adds a new audio file by removing the original audio.
Mix Background Audio: Mixes new background audio or voice-over with the original video audio. This feature makes the entire process simple. All you have to do is select the video, select the required audio option and export the new video after some easy settings. Its interface is fully compatible with TalkBack, so even Blind persons can use it without any difficulty.

Key Benefits of this feature

Facility to completely mute the original audio of the video.
The audio track of any video can be replaced with a new audio file.
Facility to mix background music or voice-over with original audio.
Audio Trim feature to select only the essential part of the audio track.
If the background audio is shorter than the video, it can be played throughout the video using the Loop Audio option.
The volume of background audio can be increased/decreased as per your requirement.
Easy to add Voice Recording, Narration and Background Music.
Fully Accessible Interface with TalkBack.
Useful for Content Creators, Teachers, Students and Blind Video Editors.

Step-by-Step Guide to use it

Step 1: Go to Video Editor Hub:

First of all, open the Tech Assistant for Blind app in your phone. After this, among the many features, go to Video Editor Hub section. Now double tap on Audio Track Manager feature from the available Video Editing Tools.

Step 2: Select Video:

Now using Pick A Video File option, select the video whose audio track needs to be changed from your internal storage. Now you will get 3 options.

Option 1: Silence Video

If you want to make the video completely silent, choose this option.

Step 3: Select Silence Video option:

Double tap on the Silence Video option. With this, the entire audio track of the video will be removed and the output video will be completely silent.

Step 4: Save Video

After this, click on Process and Save Video File button and save the new video.

Option 2: Replace Audio:

Select this option if you want to remove the original audio and add another audio.

Step 3: Select Replace Audio

Tap on Replace Audio option.

Step 4: Select Replacement Audio:

To replace the audio, click on the Pick Background Audio File to Replace Current Audio button and select the new audio file.

Step 5: Select Audio Segment:

To trim the audio, trim the required part of the audio by setting Start and End Duration and press Apply Trim Configuration Settings button. If the audio is shorter than the video, turn on the Loop Audio Track Continuously to Cover the Entire Video Duration option. You can also choose another audio file using Pick a Different Audio File option.

Step 6: Process Video:

After doing all the settings, click on Process and Save Video File button. Enter the name of the output file and save the video.

Option 3: Mix Background Audio

This option is best suited if you do not want to remove the original video audio and want to add background music or voice-over along with it.

Step 3: Select Mix Background Audio:

First of all select Mix Background Audio option.

Step 4: Select Background Audio:

Select your Audio File from Pick Background Audio File to Mix with Original Video Audio option.

Step 5: Set Start and End Time:

Set Start Time (seconds) and End Time (seconds) for where the background audio will start and how long it will last. After this, use Apply Trim Configuration Settings to keep only the necessary part of the audio. If the background audio is shorter than the video, turn on the Loop Background Track Continuously to Cover the Entire Video Duration option. With the help of Background Audio Volume option, increase/decrease the music volume as per your requirement. You can also choose another audio file using Pick a Different Background Audio File option.

Step 6: Save Video:

After making all the settings, press Process and Save Video File button. Now enter the File Name and click on Sev button. You will easily find your edited video in your file manager, in Downloads/Tech Assistant/video editor hub folder.

If you want to mute the audio of your video, replace the original audio, or mix background music or voice-over with the original sound, Audio Track Manager is a great and useful feature for you. Its simple interface, Screen Reader support makes it especially useful for Blind people. Tech Assistant for Blind is not just an app, but an all in one platform to make everyday digital tasks easier. With the help of Smart Features for Blind available in it, Document Editing, Audio Editing, Video Editing, File Management and many other tasks can be done easily. If you haven't used this app yet, download it today and experience a new approach to Accessible Technology.