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How to Downmix 5.1 to stereo [Step-by-step Guide]



Downmix 5.1 to stereo used to playback multichannel audio files at stereo systems. To convert multichannel to stereo, converting software should unite source channels especial way.

At portable audio players and mobile phones stereo headphones are used to music listening. We can convert 5.1 to 2.0 to reduce music file size to place at limited space of disk drive of portable audio player or other device.

How to convert with downmix 5.1 to stereo

To convert 5.1 audio to stereo (convert 6 channels to 2 channels) music files perform next steps:

  1. Launch 5.1 to stereo converter software AuI ConverteR 48x44.
  2. Open multichannel 5.1 audio file(s) (it may be 1-bit audio ISO file).
  3. In main window select target directory at Directory output files field.
  4. Click Tools button.
  5. In Tools window click Downmix tab.
  6. To downmix check Downmix to stereo switch. To keep original channel number uncheck the switch.
  7. Select downmix mode (see details below).
  8. Click OK button.
  9. Click Start button and wait end of conversion.


Downmix is not pure technical procedure. The processing have element of art.

Played back multichannel record may have different sound depending on listening room, apparatus and its settings.

AuI ConverteR provide 2 downmix modes:

1. Mode 0 : artifical easy spatial expanding is applied.

2. Mode 1 : minimalistic processing is applied.

Convert with Downmix 5.1 to stereo: settings

You may select mode where you like sound more.


Downmix option available in AuI ConverteR 48x44 PROduce-RD edition. You can check sound of the option in free DEMO edition.

For Modula-R edition added module "Downmix (add-on)" (purchased separatelly).

Go to Modula-R's configurator >



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