Kinemaster is one of the applications used for video editing. People who had little experience with the app, know about sound amplifying that can be done using two possible ways, using volume envelope, and normal volume adjusts button. But, you can further amplify the sound, by simply "cascading"!!, yeah, you just need to extract the audio file, and just duplicate it enough times, so that the desired audio level is reached. Here is my example for you: 1. The initial file, the audio level can be seen clearly, which is much below the average level: 2. Extract the audio file, and then click on the audio file to find the audio envelope menu, where you can increase volume further: 3. You can click the audio file and then click the three dots menu appearing over the top left corner, where you can find the "Duplicate" option: 4. Here you can observe the change in the audio level when compared with the first pic, for the first duplication: 5. Finally, for getting further a