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ISO (aka SACD ISO) to DSF DFF Converter Software | Mac Windows [AuI ConverteR 48x44]

AuI ConverteR 48x44 is ISO (aka SACD ISO) to DSF, DFF (DSD files) converter software (Mac OS X, Windows). Read about quality, settings and minimum price option.

Audio Converter ISO to DSF - AuI ConverteR 48x44

Audiophile converter of SACD ISO to DSF, DFF

    for playback audio files on:
        digital audio player (DAP),
        media server/streamer,
        DSD-audio-capable car stereo.

    Multichannel and stereo
    Resampling DSF, DFF from DSD64 to DSD1024*
    Clickless technologies >

* depends on configuration;

** 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.

WARNING: DVD-audio/video, Blu-Ray, DVD/BluRay/CD ISO are NOT supported.
For Modula-R version, SACD ISO, DSF, DFF are supported in proper configurations.
For ISO tracks, DSF, DFF longer than 3 minutes, FREE edition mutes 2-second silence in the output middle and has other restrictions
Free version has processing sound quality identical commercial editions.




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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.


Watch and share: How Convert ISO to DSF (1-bit high resolution audio)


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  • Extract ISO (SACD ISO only) to DSF, DFF (DSD audio files);
  • Stereo or multichannel;
  • Downmix 5.1 to stereo DSF, DFF file to save free disk space on portable players;
  • Audio processing by user option in top-level studio quality:
  • Batch conversion of several ISOs;
  • Creating directories by ISO's metadata (performer/album) with naming files by track name;
  • Export metadata from ISO to DSF;
  • Album artwork assigning to target DSF;
  • Non-English symbols (in file and track names) and long path correct support;
  • Extraction from ISO to big DSF file + CUE sheet;
  • SACD ISO decoding for additional processing with AuI ConverteR: sacd_extract or other command line utility, compatible with AuI ConverteR.

The options depend on configuration.

Bit-perfect mode is possible for equal sample rate both ISO and target DSD files.


DVD/BluRay/CD ISOs and optical disks are not supported. CD-audio is supported.


SACD ISO audio files contain both or one of track types: stereo and multichannel.

In one converting session, either stereo or multichannel files may be extracted from ISO.

Channels number as source as target files is identical. You can use downmix 5.1/5.0 to stereo, if it is supported in your configuration. Read details...

Metadata (artist, album, track name, year) are exported from ISO to output DSF file.

Optionally, metadata editor is supported.



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Audio quality of the converter editions


For all AuI ConverteR’s editions independent on price supported fully identical studio quality (quality of mathematical processing). Different editions have differences in available functionality and limited by sample rate, bit depth values, supported audio formats, etc. Read below about configurations for ISO to DSF converter.

Sound quality comparison of AuI ConverteR and a converter (resampling of DSD audio files)

Sound quality comparison: AuI ConverteR vs a converter


More dark background is lesser noise. Lesser noise is higher sound quality.


Read more about quality issues >

Check sound quality in free version.


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How to convert SACD ISO to DSF


Read user manual [How to convert SACD ISO to DSF] >


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December 3, 2023 updated


ISO converter

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