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How to Merge Audio FIles? [Hi-Fi Audio Joining]

Some playback tools can cause audible pop/clicks at track borders. It may happen due to switch the device or software mode.
To avoid mode switching we can unite multiple audio files of music album in one solid file.
AuI ConverteR provides such audio joiner ability. It's merges of several input sound files to single big output one (WAV, AIFF, DSF, WavePack, FLAC, mp3, m4a, APE, DSD, and others) with CUE-sheet file with song indexes and metadata. Read step-by-step guide.

May 24, 2023 updated | since October 15, 2021

Author: Yuri Korzunov,
Audiophile Inventory's developer with 25+ year experience in digital signal processing,
author of the articles that make audio easy for beginners

How do I join audio files together?

To merge (join) two audio files together (file-to-file) and seamlessly with high sound fidelity:

  1. Launch AuI ConverteR software

  2. Push "Open files" button and open files.
  3. Click "Parameters"* tab in the left part of main window.
  4. In "Output file merging" list, select "Merge by source...".
  5. When input/output sample rates and bit depths are same.
    In Settings > check "Don't make DSP..." to store output without processing.
  6. Push "Start" button and wait for conversion end.

* Try in FREE demo. Audio joining without 2-second silence is fully available in configurations




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.

* 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.

FULL-FEATURED version [AuI ConverteR PROduce-RD]

[MINIMUM PRICE] for full functionality of AuI ConverteR, in comparison with Modula-R edition that is including all modules.

FULL-FEATURED version [AuI ConverteR PROduce-RD]
Best Seller


All abilities are included in PROduce-RD version. It allows saving budget, comparing purchasing of the full abilities (all modules) of Modula-R edition. Unlimited-time license, paid major updates (... 10.x > 11.x > 12.x ...).

Audio joiner of PCM files [Modula-R edition]

[MINIMUM PRICE] configuration to join WAV, FLAC, AIFF, ALAC (up to 24 bit / 192 kHz), mp3
audio files [consists of 2 modules]

Audio joiner of PCM files [Modula-R edition]
Best Seller


Minimum price configuration to conversion PCM files. It is capable to join several audio files to single one with CUE-sheet file and split audio files by indexes in CUE file. Don't support CD-audio. May be expanded by purchasing of other modules.

Audio joiner of DSD files [Modula-R edition]

[MINIMUM PRICE] configuration to join DSF/DFF (up to DSD128) audio files [consists of 4 modules]

Audio joiner of DSD files [Modula-R edition]


PCM to PCM, DSF/DFF to PCM, PCM to DSF/DFF conversions are included.

Read User Manual...

See more configurations of DSF/DFF to DSF/DFF converter...

Build custom configurations > Expand functionality > Ask for advice >




Frequently Asked Question

What is audio join?

Audio join is uniting of several files to one sequentially. Read how to join audio files...


What app puts two songs together?

Read how to join audio files together...


How do I compress audio files?

Read how to compress size of audio files...


How do I join MP3 songs?

Read how to join mp3 audio files...


How do I merge two audio files together?

Read how to merge audio files together...


Audio joiner. Merge music files