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How convert DST compressed DFF under Windows


Educational line

Sometime a conversion DFF software can report about conversion error "compressed DFF" or "input file is compressed" or other. Usually for DFF files applied DST compression.

DST it is Direct Stream Transfer compression for decreasing of audio data size.

Below we step-by-step will consider example: how convert DST compressed DFF under Windows.

Audio Converter WAV, mp3, FLAC, AIFF, CD, DSF, DFF, ISO, DTS, APE, CUE


Download free HD audio converter AuI ConverteR 48x44 for high resolution music


Conversion DST compressed DFF to WAV, FLAC, AIFF, ALAC, DSF...

1. Search, download and unpack to a directory (further "decoder directory") command line DST decoder utility DstDecoder.exe

2. Download and install high resolution audio convertor AuI ConverteR 48x44 FREE.

3. Run AuI ConverteR 48x44.

4. In AuI ConverteR's main window click Settings button.

5. In Setting window click Input formats tab.

6. In upper left part of Input formats tab select DFF in Input file format list.

DFF DST converter settings

7. Click ... button about Input decompressor executable field and select installed in step 1 DstDecoder.exe in decoder directory.

8. In Input decompressor command line params field write

-i %inputfile% -o %outputfile%

9. Click OK button and restart AuI ConverteR.

10. Open DFF file. If AuI ConverteR ask download codec click Ok if you agree (codec need for DFF conversion to DSF native for AuI ConverteR 48x44). Wait for end of downloading and installing.

11. Select output format and push Start button.

12. In Log window appear red message like "error: input file is compressed" (DFF file is compressed).

13. Now AuI ConverteR must automatically launch the connected DST decoder.

14. DstDecoder.exe work enough slow (comparing DFF to DSF decoder). In Log window about 1 time per 10 seconds appear message "Decompressor app processing". It indicate about work of decompression utility. Other decompression utilities can output additional messages.

15. Wait for end of conversion.


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Also technical support considered by Audiophile Inventory as important part (like development). Troubles of our customers, linked with our product, we consider as own troubles. We try solve it better and faster as possibly.


For you Audiophile Inventory provide conversion quality at level of world class pro-standards and comfortable using.

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AuI ConverteR 48x44 FREE has restriction for converting DFF/DSF files: converted files with length more 3 minutes has 2 second of silence in middle of song.

In commercial versions