Tech Assistant for Blind user guide

Volume Normalizer in Tech Assistant for Blind – Normalize Audio Loudness Professionally

By Administrator · Sunday, July 5 2026

If you have ever recorded an audio whose sound is somewhere very low (low volume) and somewhere very loud (high volume), then it becomes very difficult to listen to it. Clear and consistent audio is especially important for visually impaired users. Understanding this problem, the Volume Normalizer feature given in the Audio Editor Hub section of Tech Assistant for Blind normalizes the loudness of your audio file according to professional standards. This keeps the sound balanced throughout the audio, making it more comfortable to listen to and better for any needs like Podcast, YouTube, Streaming, Film or Voice Recording. If you are looking for an Accessible Volume Normalizer For Blind, then this feature will prove to be very useful for you. ##What is Volume Normalizer? (What is Volume Normalizer?) Volume Normalizer is an audio processing tool that sets the loudness of your entire audio file to a certain level. This means that the sound of different parts of the audio is balanced so that somewhere the sound does not feel too loud and somewhere too soft. This feature provides two different Normalization Algorithms, so that you can get the best result as per your requirement.

EBU R128 (loudnorm)

This is a professional broadcast standard that normalizes the overall loudness of the audio very accurately.

Dynamic (dynaudnorm)

It dynamically adjusts different parts of the audio so that the entire recording sounds more natural and balanced.

Main benefits of this feature. (Key Benefits):

  • The sound of the audio remains the same throughout the file.
  • No sudden very loud or very slow sound is heard anywhere.
  • Professional quality is available for Podcast, YouTube, Audiobook and Voice Recording.
  • Audio sounds clearer for screen reader users.
  • Loudness Standard can be selected according to different platforms.
  • With the help of Custom LUFS Settings, you can prepare the output as per your choice.

Step by step guide to use it:

Step 1: Open Audio Editor

First of all, open Tech Assistant for Blind app in your phone. After this go to Audio Editor Hub section. Now click on Volume Normalizer feature from the available Audio Editing Tools.

Step 2: Select Normalization Algorithm

After this select the audio which you want to edit. Now you will see two options:

  • EBU R128 (loudnorm) – For Professional Loudness Standard.
  • Dynamic (dynaudnorm) – For Dynamic Volume Adjustment. Select any one of these algorithms as per your requirement.

Step 3: Select Target Settings

Now select Target Profile as per your audio usage.

  • Streaming (-14 LUFS) – For YouTube, Music Streaming and Online Platforms.
  • Broadcast (-23 LUFS) – For Radio and Television Standards.
  • Podcast (-16 LUFS) – For Podcast and Voice Content.
  • Film/Video (-24 LUFS) – For Film, Video Projects and Professional Editing.

Step 4: Custom Settings

If you chose Custom, set the options below as per your requirement.

Target LUFS

This determines the target loudness of your audio. - Decrease Target LUFS Button will reduce the Loudness. - Increase Target LUFS Button will increase the Loudness.

True Peak

It controls the maximum peak level of the audio so that distortion does not occur. - It can be increased or decreased as per requirement.

Loudness Range

It determines the difference between soft and loud parts of the audio. - By keeping the range low, the entire audio will sound more uniform. - By keeping more range, Natural Dynamic Effect will remain.

Step 5: Apply

After all the settings are completed, click on Apply and Save Audio. Now write the name of the audio in Enter File Name and click on Save button. You will find your Normalized Audio in your file manager.

Volume Normalizer is not just a tool to increase or decrease the audio volume, but it also provides professional quality to your entire recording. Whether you're creating a podcast, recording online content, creating an audiobook, or doing a simple voice recording, this feature makes your audio more clear, balanced, and professional sounding. The aim of Tech Assistant for Blind is not only to provide different tools, but also to provide Visually Impaired friends with an Accessible Android App that will make their everyday digital life easier, faster and more independent. If you want an app that combines many useful features in one place, Tech Assistant for Blind is definitely a great choice for you. So now without any delay, install this application from Play Store now, and experience it yourself.