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High Resolution Audio Converter | for audio files WAV, mp3, FLAC, AIFF, DSF, DFF, ISO, CD, more


AuI ConverteR 48x44 is high resolution audio converter software (Windows and Mac OS X) for accurate conversion popular formats audio files with export metadata from source to target files and meta tags editor (names of track, album, performer, ..., embedded pictures: album cover, performer, ...).

Supported format, bit depth, sample rate conversion for WAV, mp3, FLAC, AIFF, CD, DSF, DFF, ISO, APE, CUE, ALAC and other, safe audio-CD ripper.

AuI ConverteR is intended for music productions and home audio (hi-fi systems, portable audio players, mobile phones, car audio and other).

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

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

WARNING: Input DSF, DFF, ISO supported in Audiophil-E, PROduce-R and configurable Modula-R
Output DSF supported in maximal PROduce-RD and configurable Modula-R


For saving your money audio converter AuI ConverteR have 4 ready-configuration editions (Lite, Audiophil-E, PROduce-R, PROduce-RD) and flexibly configurable Modula-R edition.

Supported formats by editions (sound processing quality is identical for any ediion):

  • Simple essential PCM, CUE+PCM to PCM (FLAC, WAV, AIFF, ALAC, mp3,...) converter (Lite, Modula-R)







Other features:

  • Supported multichannel files.
  • Downmix 5.1 to stereo
  • Wideband DSF (1-bit audio) conversion: up to 100 kHz (depend on input output sample rate).
  • True Gapless Conversion - seamless conversion album tracks as solid audio stream.
  • Auto Normalizing Level album audio files.
  • Gentle dithering mode alphaD.
  • Safe CD ripping algorithm with displaying ripping error and trying of restoring data.
  • Assigning album artwork for converted or ripped files before start conversion.
  • Auto receiving metadata for ripped files from free Internet CD database.
  • Fast and friendly technical support.
  • Intended for music production, music stores and audiophiles.


mp3 converter with supporting exporting metadata during conversion.

CDA to mp3 converter audio files.


Editor meta tags DSF, WAV, FLAC, AIFF

1. Read DSF tags

2. Edit meta tag text fields (track name, album, artist,...).

3. Add/change meta tag picture (album cover/back, artist, conductor, band photos,... - adding more 20 picture in single audio file) formats png, jpeg, gif.

4. Cancellation of changing for selected file (before closing the software or opening other file).



Technical support

1. Fast and friendly response to user's troubles. Your suggestions is base of development direction.

2. New updates released 1-3 times per month

3. Simple advices about audio conversion improving quality conversion and other recommendations


F.A.Q. AuI ConverteR - audio converter

1. Why AuI ConverteR?

AuI ConverteR is pro studio software that may be used in project of any level.

Main our aim is sound quality (minimal loses: minimal noise and distortions) during conversion.

We appreciate time and needs of our customers ant try decide issues as faster as possible or before its appearing.


2. What proofs about audio qualty?

AuI ConverteR FREE demo available for download and have full quality of commercial editions.

Some conversion modes have limitation (2 second silence in middle of track). I allow check borders and total quality of tracks.

You may do different benchmarks: listening and measurements.

In commercial version you will get absolutelly same quality that in FREE demo version.


3. Why AuI ConverteR too expensive?

It only seems at first look.

AuI ConverteR is designed as pro-audio tool for studio. So need compare AuI ConverteR's price with world the best pro-audio decissions.

You can be assured, that you have studio quality available at home computer for resonable price.

Indeed, maximal edition PROduce-RD's price look too high for audio conversion software. But you can compare it by price and available functionality with other studio tools.

AuI ConverteR intended not only for studios, but it have rich functionality that need for home applications: converting audio formats for hi-fi and portable music devices, changing resolution audio, metadata management, safe ripping of audiophile CD collection.

We always try keep audio quality and save your money simultaneously.

Read about it below.


4. How buy audio converter for minimal price?

AuI ConverteR have many configurations the can flexible cover your need on minimized budget.

There are 4 editions with different functionality: from minimal Lite to maximal PROduce-RD.

But we provide flexible configurable Modula-R edition. It allow get any functionality, that available in maximal edition, and pay for this functionality only only.

You may right now configure Modula-R edition online >

Or ask us configure for you >

Configurations Lite, Audiophil-E, PROduce-R and PROduce-RD have lower price, than Modula-R's module kits that have identical functionality.


5. Why I see at spectrum cut at 20 kHz?

AuI ConverteR have several conversion modes (band output signal):

- optimized (cut ultrasound upper 20 kHz);

- non-optimized (cut ultrasound DSF upper 20 ... 24 kHz, PCM up to 384 kHz - depend on sample rate);

- wide non-optimized (cut ultrasound DSF upper 20 ... 100 kHz, PCM up to 384 kHz - depend on sample rate).

Some apparatus cause non linear distortions that generate audible products (distortions) by inaudible ultrasound. Band limitation allow to reduce the distortions for the apparatus.

You can choose preferable mode in Settings window (push Settings button in main window) > General tab > Filter mode list.

General recommendation (and default settings) is optimized mode. But you can choose resampling filter mode that you like more.


6. What signal processings you use?

In our audio converter we use only own algorithms:

  • alphaC - resampling algorithm with individual manually adjusted filter for each of combinations input/output sample rates;
  • alphaD - gentle dithering algorithm, its aim is minimization of impact to musical signal;
  • alphaS - low distortion/noise sigma delta modulator (DSF)/demodulator (DSF, DFF, ISO) 1-bit audio;
  • Clickless processings - processing for click eliminations during album/track (ISO, DSF, DFF, FLAC, WAV and other) conversion (true gapless conversion, smoothDC);
  • Safe CD ripping - forced detection of CD reading errors with trying of restore damaged audio data.



List audio converters (articles and pages)

  1. Audio converter DFF to DSF files with supporting metadata >
  2. mp3 converter audio files from/to WAV, FLAC, AIFF, mp4, m4a,... >
  3. Free Audio Converter >


Tutorials (articles and videos)

  1. How to Convert ISO to FLAC under Mac and Windows >
  2. How to Convert ISO to DSF under Mac and Windows >
  3. How to Convert CDA to mp3 on Windows 10, 8, 7 >
  4. Other tutorials ... >

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

WARNING: Input DSF, DFF, ISO supported in Audiophil-E, PROduce-R and configurable Modula-R
Output DSF supported in maximal PROduce-RD and configurable Modula-R


Last News

Where is the Limit of Audio Quality?

I read many endless discussions about audio equipment: cables, lossless vs. lossy, compression algorithms, jitter, ultrasound, playback files from different places of hard disk, power conditioners, etc.

I suppose, reason of the discussions is small perceived sound difference, that is not obvious for everybody, or no difference.

It is the end of high-end?

Below I want to discuss: can we get sound improvement, obvious for almost everyone, in future audio equipment?

New AuI ConverteR 48x44 v.6.4.7. ISO's Album Catalog Number

Released new studio audio converter AuI ConverteR 48x44 v. 6.4.7 CD ripper, ISO, DFF, DSF, WAV, FLAC, AIFF, ALAC. Album catalog number is extracted from ISO and stored into metadata of converted files.

How to Convert with Downmix 5.1 to stereo


Music stuff conversion with downmix 5.1 to stereo used to playback multichannel audio files at stereo systems.

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


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