AuI ConverteR 48x44 is DFF to DSF converter music files on Windows, Mac OS X. DFF DSF (DSD files) conversion may be done without losses. DSF files can store metadata (track name, album, year, artworks,...). It may be assigned to converted stuff via metadata editor. The software is intended for professional studios and music lovers.
Watch this user guide video and look at the conversion software configurations below.

July 4, 2023 updated | since March 6, 2015

Author: Yuri Korzunov,
Audiophile Inventory's developer with 25+ year experience in digital signal processing,
author of the articles that make audio easy for beginners



Watch and share: DFF DSF converter
video: DFF DSF converter


How to convert DFF to DSF

Read how to convert DFF to DSF here...



Remark: abilities are reliant on configuration.


DFF to DSF converter. Sound Quality


Sound quality: AuI ConverteR vs a converter software: DSD64 to DSD128 noise

AuI ConverteR vs a converter software: DSD64 to PCM 44.1 kHz


In the ideal case, should not be noise in the audible band. Lesser noise (darker background) means a higher sound quality.


True Gapless Mode resampling albums (operas, live concerts, musicals, etc.) as a solid stream without artefacts on neighboring track borders. See the main software window  > Parameters tab.

True Gapless Mode

The pure signal on border of two neighbor tracks, when True Gapless Mode turned ON.

If tracks are processed as separate files at the track border artefacts (noise splashes) appears due to processing re-initialized at beginning of the track. To avoid it  all album tracks should be processed as a continuous stream without re-initialization.

In True Gapless mode, the converting software processes album tracks sequentially. Because to convert the next track, it needs to have processing state of the previous track.


Auto level normalization allows maximizing of loudness without overload.

Resampling can cause overload. Overload can cause distortions. Manual gain control can solve the issue. But auto level normalization makes it automatically and keeps your time.


Bit-perfect conversion

Bit-perfect mode is available when input and output sample rates are equal. It is data container repacking.

The mode activation: open Settings window > General tab. "Don't make DSP..." switch must be checked (turn ON).

Bit-perfect conversion mode




Metadata editor

  1. Metadata (meta tag) editor DSF FLAC WAV AIFF able to:
  2. Edit text meta tags fields (track name, album name, performer, composer, year,...).
  3. Add/change/remove picture meta tags (album cover/back, artist, conductor, band photos,... - more than 20 pictures in a single DSF music file) formats png, jpeg, gif.
  4. Cancel of change edited data (before closing the software or opening another file).
  5. Group editing metadata of several files.




AuI ConverteR has several price/functionality options that allow saving your budget for the required functionality. You can expand Modula-R abilities later by purchasing new modules. Unlimited-time license, major updates (... 10.x > 11.x > 12.x > ... versions) are paid.

WARNING: Modula-R modules (parts of AuI ConverteR’s functionality) are NOT compatible with Free version.
ADD-ON modules work with certain CORE modules only (see details).
The module is license key received in order email. To activate module functionality, enter its key in Modula-R executable.
All "Modula-R" modules together have "PROduce-RD"'s abilities.
Full-featured "PROduce-RD" version is like a discount on price of full module kit of "Modula-R" version.

To expand functionality, module(s) (compatible with purchased major version number) may be ordered separately.
Modula-R license cannot be replaced with PROduce-RD.

* All prices on this page are in U.S. dollars without V.A.T. and other applicable taxes and fees. The prices are recommended. Information on this page is not a public offer.


Technical support

  1. Fast friendly solving of user issues.
  2. Development direction, based on your suggestions.
  3. Regular updates


Frequently Asked Questions


What is a DSF file?

DSF file is an audio file with DSD audio.



What is the difference between DSF and DFF?

DSF supports flexible music-information metadata standard way. DFF supports DSD data compression.



Is DSF better than FLAC?

DSF and FLAC provide audiophile sound quality. Technically, no one the better explicitly.



What is DFF audio format?

DFF is an audio file, that provides DSD audio.



Is DFF lossless?

DFF is a lossless audio format.



How do I convert a DSF file?

You can convert DSF file from/to other file types.

How to do it read here...


Can you convert DSF to FLAC?

To convert DSF to FLAC read the guide...


How do I play DSF files on my Mac?

You can play .dsf files on Mac via DSD player software...


How do I play DFF files?

DFF files are DSD files. Read how to play .dff files...


DFF to DSF Converter Mac, Windows [AuI ConverteR]


Read more


Recommended user guides


Read more about DFF

  1. DFF file format. DFF file extension >
  2. DFF to FLAC Converter >
  3. DFF to DSF Conversion on Mac OSX, Windows, Linux >
  4. How convert DST compressed DFF under Windows >


DFF format