audio file converter for music production and hi‑end audio
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DFF to FLAC Converter Software [Mac Windows]

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AuI ConverteR 48x44 is DFF to FLAC converter (Mac OS, Windows) of audio files. For music production and hi-end home audio. In this article minimal price configurations are reviewed.
Read step-by-step guide below

How to convert DFF to FLAC

To convert DFF to FLAC (DSD to PCM file):

  1. Launch AuI ConverteR 48x44.
     
  2. Push Open files button and select *.dff file.
    First time, codec request window appear. To auto download and install the codec, push OK button.
     
  3. Choose FLAC in main window (right middle part) Format field.
     
  4. Choose output directory:
    In main window of the conversion software (left lower part) Directory output files fieldSet output directory for converted files
    It can be as absolute as relative source-stuff directory.
     
  5. Push Start button. Wait until end of conversion.
    Look for converted stuff into directory that selected in goal 3.

 

Set output compression level:

  1. In the conversion software's main window push Settings button, Settings window is appear.
  2. In Settings window > General tab > set the level via FLAC compressing slider.

Any compressing level provide same sound quality.

 

Audiophile DFF to FLAC converter software

DFF to FLAC converter audio

    prepare music for:
        computers,
        digital audio players,
        mobile phones,
        media servers/streamers,
        car stereo systems;
    convert 1-bit audio stuff
        for PCM DAC.

    Multichannel and stereo
    DFF D64 / 128 / 256 / 512 / 1024
    FLAC 16 / 24 / 32 bit, 44.1 ... 352/384 kHz
    Auto loudness normalizing
    Uncompressed FLAC

Check minimal price options (from $55.4*) >


Download HD audio converter AuI ConverteR 48x44 FREE for high resolution music
WAV, FLAC, AIFF, ALAC, (1-bit audio) ISO, DFF, DSF, WMA, mp3, CD-audio...

WARNING: DSF, DFF is supported in maximal PROduce-RD and configurable Modula-R
FREE demo mute 2 second silence in the output middle of ISO tracks, DSF, DFF
with length more 3 minutes
 
Watch and share: Audiophile DFF to FLAC converter
 

Features

  • Studio sound quality
  • DFF sample rates: D64/128/256/512/1024
  • FLAC sample rate: 44.1 to 352.8, 384 kHz
  •            bit depth: 16, 24, 32 bit
  •            adjusted compression level: yes
  • Stereo and multichannel both are supported
  • Downmixing multichannel 5.1 to 2.0
  • True gapless conversion (see below)
  • Auto level normalization (see below)
  • 3 resampling fiter modes (into DFF decoder), including audio optimization to reduce audible distortions at some systems;
    (from optimized mode (eliminating of audible ultrasound intermodulation products at some equipment) to 100 kHz wide band mode)
    Metadata editor (add/edit/remove album, song names, year, performer, genre and other, add/remove artworks *.png, *.jpg)
  • group metadata editing of several files.
Watch and share: Experiment with audio optimization
 

 

True Gapless Mode

True gapless mode intended for albums, that should sound as solid stream. It is live concerts, operas and other. After resampling at track borders, artefacts can appear. It happens due processing re-initialization at the begin each track. In True gapless mode initialization is performed at begin of first album track.

If True Gapless Mode turned on, album tracks are converted sequentially, one-by-one. There is need information about end of previous track before start processing next one.

True gapless mode

 

Auto level normalization

As rule, 1-bit records have -6 dB headroom by sigma-delta modulator stability issues.

Auto level normalization allow to maximize album level with keeping relative levels of its tracks.

Watch and share: Loudness normalization by peak level
 

 

 

Sound quality

Sound quality (distortion value) is first point of attention in design professional software. Tranformations should be transparently to original stuff quality as possibly.

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

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

 

In ideal case, should not be repeatable lines with lower brightness (aliases). The aliases are audible distortions, that correlate with original signal.

Any AuI ConverteR’s version provide fully identical signal processing quality.

But functional restrictions and available formats, sample rates, etc. are different.

The software convert DFF audio file to FLAC as sigma-delta-modulation noise filtering.

Operas, musicals, live concerts and same albums are solid music stream. Recording is done in single file. Before placement at optical disk the stream is divided into tracks. At its borders non-zero loudness are possible. It can cause border artefacts.

Converting such tracks as separate files, cause aftefacts at track borders. Because processing is initialized at begin of next track. True gapless conversion process these tracks as single stream with initialization at first album composition begin only.

1-bit formats maximal value is  -6 dB limited. It is DSD modulator's stability issues. Auto level normalizing magnify (or reduce in some cases) loudness of all tracks so maximal peak level of full converted album is 0 dB.

Resampling filters of the conversion software are reviewed here.

 

 

DFF to FLAC Converter Configurations

Audio quality is fully identical in DEMO, PROduce-RD, Modula-R. In the DEMO at the middle of converted tracks, two seconds are muted.

The software configurations to convert DFF to FLAC:

Modula-R edition is single software unit. You can order modules (module's license keys) and enter it there. Each key make accessible relevant functionality.

 

Minimal price options [Modula-R]

Below placed order’s links. There you can see price of configuration. To the price can be applied V.A.T. and/or other local taxes in your country.

Minimal configuration that allow to convert DSF/DFF (D64/128) to FLAC (up to 192 kHz, 24 bit, 32 bit float):

[ Mac OS X ]      [ Windows ]
 

DSF/DFF to FLAC converter with faster parallel processing of several songs (multi-CPU batch processing)

[ Mac OS X ]      [ Windows ]
 


Convert DSF/DFF to FLAC with True Gapless Mode
If True Gapless Mode turned on, album tracks are converted sequentially, one-by-one. There is due need information about end of previous track to start processing next one.

[ Mac OS X ]      [ Windows ]
 

Set true gapless mode

 

 

Convert DSF/DFF to FLAC with Auto Normalizing Level

[ Mac OS X ]       [ Windows ]


Convert DSF/DFF to FLAC with True Gapless Mode and Auto Normalizing Level

[ Mac OS X ]       [ Windows ]


Configuration with faster parallel processing, True Gapless Mode and Auto Normalizing Level

[ Mac OS X ]     [ Windows ]


Also additional modules of functionality extension available as separate order:

Parallel Processing
[ Mac OS X ]      [ Windows ]

True Gapless Mode
[ Mac OS X ]       [ Windows ]

Auto Loudness Normalizer
[ Mac OS X ]       [Windows ]

Manual Loudness Control
[ Mac OS X ]       [ Windows ]

Metadata Editor
[ Mac OS X ]       [ Windows ]

Support 352/384 kHz
[ Mac OS X ]       [ Windows ]
 

 

Watch all modules here >

 


Read more

About FLAC (Free Lossless Audio Codec) >

About DSD demodulator >

 

References

DFF format specification

Free Lossless Ausio Codec format specification

 

 


Read more about DFF

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

 

Read more about FLAC

 

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