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exhale, which is an acronym for "Ecodis eXtended High-efficiency And Low-complexity Encoder", is a lightweight library and application to encode uncompressed WAVE-format audio files into MPEG-4-format files complying with the ISO/IEC 23003-3 (MPEG-D) Unified Speech and Audio Coding (USAC, also known as Extended High-Efficiency AAC) standard. In addition, exhale writes program peak-level and loudness data into the generated MPEG-4 files according to the ISO/IEC 23003-4, Dynamic Range Control (DRC) specification for use by decoders providing DRC. Command line software.

Free software
OS: Win Linux
File size: 287KB
Other versions
Old versions
Version history
8.0/10
6 votes
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Screenshots

exhale screenshot

exhale screenshot 2
Latest version

1.2.1 (December 23, 2023)



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Download exhale 1.2.1 Windows 64-bit  342KB  Win64

Download exhale 1.2.1 Windows  287KB  Win

Download exhale 1.2.1 Linux  138KB  Linux




Download old versions


Download exhale old versions



Software License

Free software / FOSS (Free download and also Free and Open Source Software)



Supported operating systems

WinWindows LinuxLinux



More information and other downloads

The Windows builds are from Rarewares!

This is a COMMAND LINE SOFTWARE! For usage run it from the COMMAND PROMPT!



Version history / Release notes / Changelog / What's New


v1.2.1
exhaleApp: always determine MPEG-4 instantaneous bit-rate across 2048 samples
exhaleLib: added code for MSE optimized encoding (for tests, disabled by default)
exhaleLib: code cleanup in quantization.*, increase max. IPF AU size to 10 kbit/ch
exhaleLib: fix two rare high-rate quality issues (only affects CVBR modes above 5)

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6 reviews, Showing 1 to 5 reviews


Quote from the author himself: "lower-rate USAC coding tools (ACELP, TCX, Enhanced SBR
and MPEG Surround with Unified Stereo coding) won't be integrated."

So does that mean one is actually better staying with regular he-aac as the lower bitrate sbr enhancement tweaks etc are integrated and part of the code already in commercial versions or setting, but not in this Opensource project due to tough stringent patent laws? Great work nonetheless. Better still go Opus or just stick with 64kbps LC aac which outperforms He-aac in some tests.


Review by DEREK on Sep 15, 2021 Version: 1.17 OS: Windows 8 64-bit Ease of use: 3/10 Functionality: 8/10 Value for money: 10/10 Overall: 8/10




Dear Rarewares please make Dropbox gui for this excellent software. Thankyou very much!

Review by Pete on May 11, 2021 Version: 1.1.5 OS: Windows 7 64-bit Ease of use: 3/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Drop box please like Lame or ogg drop box gui as in rarewares tools which allow dropping in an audio input eg wave etc, click an option on the gui and you are good to go. Too complicated to use and sadly will be avoided by most PC users. I understand command prompts well and still find using this tool a pain to use.

Review by Ron on Mar 2, 2021 Version: 1.1.3 OS: Windows 8 64-bit Ease of use: 1/10 Functionality: 9/10 Value for money: 10/10 Overall: 6/10




Totally needs a GUI or dropbox like rarewares has done for ogg or Lame. Well made, but not for the casual user or tech dummy.

Review by Mike on Aug 1, 2020 Version: 1.0.6 OS: Windows 7 64-bit Ease of use: 1/10 Functionality: 7/10 Value for money: 10/10 Overall: 6/10




Like everything on rarewares superb software.
P.S rarewares: pertaining to your LameDropXPd, please update Lame to 3.100.21 in Dropbox. Version used is nearly 2years old. Thankyou


Review by Mike on Jun 10, 2020 Version: 1.0.4 OS: Windows 7 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10


6 reviews, Showing 1 to 5 reviews

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Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)


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