AD3 File Description

Author:   |   Amended: November 26, 2018

Microsoft Silver

AD3 File Summary

Most AD3 files can be viewed with SoX from Open Source (the only known affiliated software application) and associated with the ADPCM 3-bit Compressed Voice format as it's primary file type. AD3 files are traditionally categorized as Audio Files.

AD3 files are found on both mobile and desktop platforms and can be opened using Windows, Mac, and Linux operating systems. The main AD3 file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

If you are having problems opening AD3 files, or would simply like to learn more about the software programs and developers that are associated with them, please see the complete information contained below.

Low
Popularity
8078
Ranking

/ 11690

Active

State

26

November

2018

Amended

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Varieties of AD3 Files


Primary AD3 File Association

.AD3
Formatting:.ad3
Type:ADPCM 3-bit Compressed Voice

The AD3 file extension may refer to an audio file that is used for an audio file format called ADPCM. ADPCM stands for Adaptive Differential Pulse Code Modulation. ADPCM codecs are waveform codecs that quantize the difference between the speech signal and a prediction of the speech signal. It differs from PCM codecs that directly quantize the speech signal. The AD3 file contains 3D-bit compressed voice.

Created by: Open Source
Division:Audio Files
Key: HKEY_CLASSES_ROOT\.ad3

Software Programs That Open The ADPCM 3-bit Compressed Voice:


SoX by Open Source

Windows
Mac
Linux

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AD3 Popularity


Operating System Rank

7 (45.73%)
10 (44.56%)
8.1 (5.41%)
XP (2.79%)
8 (0.97%)


Troubleshoot AD3 Files


Common AD3 Opening Problems

SoX Disappeared

When you double-click your AD3 file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If so, it typically means that you don't have SoX installed for %%os%%. Your operating system cannot associate your AD3 with SoX, so double-clicking the file won't work.


Tip: If you don't have SoX installed, and you know of another program to open your AD3 file, you can try opening it by selecting from the programs listed under "Show Apps".


Obsolete Version of SoX

It is possible that your version of SoX isn't able to open your ADPCM 3-bit Compressed Voice file due to incompatibility. If you do not have the proper version SoX (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: If you right-click on your AD3 file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Summary: In either case, the majority of problems opening AD3 files are related to not having the correct software application installed on your computer.


Associated Difficulties Loading AD3 Files

Even with the correct version of SoX installed, you can still experience difficulties opening AD3s. If you are continuing to have errors with loading AD3 files, other external issues might be to blame. Other contributing causes:

  • AD3 file type Registry entries are wrong
  • Corruption of the AD3 file description inside the Registry
  • SoX or another AD3 application experienced a flawed installation
  • AD3 file corruption
  • Your AD3 has adversely impacted by malware
  • Hardware related to AD3s has device driver corruption
  • Your computer does not have the adequate system resources to open the ADPCM 3-bit Compressed Voice format

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