Two-Track Audio Mixer
The two short audios are superimposed according to the gain and the second track delay, and the mixing WAV is output.
Files and results are only processed in this browser, and the server is not uploaded. Files are not preserved after leaving or emptying the page; the original file will not be modified.
The audio output is 16-bit PCM WAV. Please reduce the device volume before playing; up to 60 seconds per segment, the maximum file is 16MB. Does not play automatically.
Two-Track Audio Mixer User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- The second track is delayed by 1 second on the background sound of the first segment.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Add tracks at a common sample rate with the selected offset. Use the later end time and optionally reduce gain to avoid clipping.
scope of use
Only two tracks can only be processed, and the vocals or matching beats are not automatically separated; the results containing delays are up to 120 seconds.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Only two tracks can only be processed, and the vocals or matching beats are not automatically separated; the results containing delays are up to 120 seconds. Please compare the input unit, rounding method, applicable rules and data version first.



