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F.A.Q. About AuI ConverteR 48x44


Read here answers for some questions about AuI ConverteR 48x44.

If you need more info write here, please.

Q: How re-enter license key


You can re-enter key:
1. Run AuI ConverteR 48x44 software.
2. Push <Ctrl>+<F11> (for Windows version) or <fn>+<Ctrl>+<F11> (for Mac OS X version).
3. Enter key.
4. Push "OK" button.
5. Restart the software.


Q: What do if codec downloading/installing bug appear?


1. You can install codec manually.
2. You can inquire techical support.
For more easy solving of trouble it is desirable send content of installing log.
WARNING!!! DON'T START CONVERTING! It erase codec installing log.
2.1. Push Settings button on main window of AuI ConverteR.
2.2.In Settings window/Input formats push Default button
2.3.In Settings window/Output formats push Default button
2.4.Push OK button of Settings window
2.5. Restart AuI
2.6. In main AuI ConverteR's window push "Open files" button. Select audio file with error of codec downloading. Push Open button.
2.7. After it appear download request window. Push OK button.
2.7. Wait ending of downloading and installing (log must stopped).
WARNING!!! DON'T START CONVERTING! It erase codec installing log.
2.8. Copy and send log content.

Q: How access to log of AuI ConverteR 48x44?


For access to log click to Log tab button (marked red) placed into upper left corner of AuI ConverteR's main window
Log file AuI ConverteR 48x44


Q: Main useful features


- perfect sound with sample rate conversion algorithm alphaC

- sound friendly dithering algorithm alphaD

- supressing ultrasound intermodulations for HD records (read more about reasons ultrasound intermodulations...)

- pure sound due to linear characteristics

- no-preringing mode without artefacts before time front of sound

- parallel conversion of several files

- minimum settings, simple and convenient user interface and the control

- support broadcast pro formats:

    - WAV 64-bit (RF64) with size more 2 gigabyte read more...

    - Broadcast Wave Format (BWF) with automatical measurements of signal level read more...

- easy extension to support additional output file formats (mp3, wma, ogg, alac, etc.) with command line external encoders.


Q: AuI ConverteR 48x44 PRO & PRO Lite vs. Free (and/or Open Source) Sample Rate Converters


- original pure sound technologies optimized for listening: alphaC and alphaD

- supressing ultrasound intermodulations for HD records

- parallel conversion of several files

- simple and convenient graphical interface

- technical support*

- free individual consultations about audio*


Q: AuI ConverteR 48x44 vs. Pro Sample Rate Converters


- original pure sound technologies optimized for listening: alphaC and alphaD

- supressing ultrasound intermodulations for HD records

- parallel conversion of several files

- convenient interface

- support WAV 64-bit (RF64) and files with size more 2 gigabyte read more...

- free individual consultations about audio*


Q: PROduce-R vs. Audiophil-E vs. Lite


For upgrade contact us.

Comparison of Editions in Short

          Comparison in Details
from $22.1**

Configure options and order for saving budget >

Modula-R's modules are NOT compatible with Lite, Audiophil-E, PROduce-R, PROduce-RD.

You can upgrade your Modula-R in the future via ordering modules.

Minimal configurations:

  PCM to PCM
     WIN >    MAC >

  ISO to PCM
     WIN >    MAC >

  ISO to DSF
     WIN >    MAC >

     WIN >    MAC >

  PCM to DSF
     WIN >    MAC >

     WIN >    MAC >

  Safe CD ripper
     WIN >    MAC >

  Metadata editor
     WIN >    MAC >


  Ask for advice >


  Request for personal configuration >


  Configure / check price immediately >

 Free  Lite  Audiophil-E  PROduce-R  PROduce-RD

Comparison of Editions in Details






Output DSF D64/128/256/512 2 sec silence in middle file
≥ 3 min
Input DSF, DFF, ISO 2 sec silence in middle file
≥ 3 min



True Gapless Conversion        
FLAC/AIFF 32 bit        
Lossless formats WAV, FLAC, AIF, AIFF, AIFF/sowt, m4a (ALAC), APE
Lossy formats mp3, WMA, m4a, mp4, ogg and more
CD ripper get CD info from Internet 1 track
Input CUE + file    
Support meta tags (album and track name, artist, etc.)  
DSF, FLAC, WAV, AIFF tag editor
Batch processing of group of files 2 sec silence in middle output file:
- since 2 file for PCM to PCM,
- since 1 file for all other
Multiple files in parallel
Multichannel files (more 2 channels) output
≤ 3 min
Downmix 5.1 to stereo
Output volume adjust      
Inverting phase audio      
Input / output sample rates 352, 384 kHz WAV, AIFF, FLAC,...     WAV, AIFF, FLAC,... WAV, AIFF, FLAC,...
Output sample rates 705, 768 kHz WAV, AIFF     WAV, AIFF WAV, AIFF
Input / output sample rates 22, 44, 48, 88, 96, 176, 192 kHz
Bit-depth samples of input files: 16, 24, 32 (wav), 64 integer and 32, 64 floating point
Bit-depth samples of output files:  
        16 and 24 bit
        32 bit (wav)    
        32 bit (floating point)
        64 bit and 64 bit
          (floating point)
alphaC sample rate and bit-depth conversion algorithm
alphaD dithering algorithm
Audio processing 64-bit floating point
External format converters of files (download codec by demand, user can add own extensions) 9 only 9 only
Support extensible WAV-file's formats (sampler's notes, BWF - Broadcast Wave Format etc.)      
Support WAV 64-bit (RF64) format (size more 2 gigabyte)  
Search files by sample rate, bit-depth, format
No pre-ringing (minimum phase filter)
Launch via command Line    
Possible start more one instance of application simultaneously    
Additional skins, editing and creating custom skins  
Count skins   10 10 10
Commercial using  
Extra Warranty    

    *All prices without EU VAT and/or other applied taxes and/or local fees



Q: What is technical support


- consultations*

- fix bugs*

- release some suggestions of our customers*


Q: What is workflow of purchasing


1) Click here. Click to product icon (at top of comparison table) and go to payment page. Select your language and currency.

2) Pay MasterCard, or VisaCard, or PayPal, or WebMoney, or check, or other method (available in your country). Receive e-mail with license key (keys), instructions and download link.

3) Download the software.

4) Install and run the software. Input license key.


Q: AuI ConverteR show message "unregistred"


1) In main the software window push the key <F11>. Input license key from received e-mail by Share-It.

2) If trouble is not fixed contact us.


Q: How I get individual consultation?


Send your question from this form. Input there e-mail which used in your Share-It order.

Not need registering at


Q: I have paid for the pro version of your product, I have installed it, and entered the license code. I am still getting the message "unregistered" when I try to convert files. I have re-started the program, and I have also re-started the computer. Still says unregistered.


After clean (first) installing of AuI ConverteR 48x44 after start appear window “Load Key File” (see attachment “Lic key win.png”).

1) Copy license key from received from online store e-mail (without whitespaces, returns etc.) to field “Input license key number”.

2) Push OK button.

3) Restart AuI ConverteR 48x44.


After see file:

For Win x32: c:\Program Files\Audiophile Inventory\ConverteR 48x44\data.lic


For Win x64: c:\Program Files (x86)\Audiophile Inventory\ConverteR 48x44\data.lic

File data.lic must contain your license code from online store e-mail (without any other symbols, single line).


Check logged user rights for directory “c:\Program Files (x86)\Audiophile Inventory\ConverteR 48x44”. May be it is reason why file data.lic not created.

If window "Load Key File" don't appear, press <F11> hot key at main window of AuI ConverteR 48x44 and input key again.


Q: Available only 32-bit version AuI ConverteR 48x44 for Windows. Have 32-bit program code influence for performance or sound quality?


For same processing tasks no 32-bit program's code influence. All calculations performed in 64-bit float (double float precision) format.


* - during the warranty period (1 year from selling date).


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