AD3

ADPCM 3-bit compressed voice
File type: Audio and sound file
An ad3 file extension is related to the ADPCM 3-bit compressed voice file format.
Found 3 different file type records with the same ad3 filename suffix.
What is ad3 file?
File type category:
Audio and sound file
Date updated: August 23, 2017
The ad3 file extension is used for an ADPCM audio file format.
Adaptive Differential Pulse Code Modulation (ADPCM) codecs are waveform codecs which instead of quantizing the speech signal directly, like PCM codecs, quantize the difference between the speech signal and a prediction that has been made of the speech signal.
The ad3 file stores 3-bit compressed voice.
How to open ad3 file?
Use SoX to work with *.ad3 files.
How to convert ad3 file?
Compatible tools may be able to export *.ad3 files to other formats.
Suggested software to open ad3 file:
Associated software actions with the ad3 file
Apps designed for playing ad3 files:
SoX (Multiplatform)
ADHOCw data
File type category:
Various data file
Date updated: September 19, 2019
The ad3 file extension is related to ADHOC, software developed and used by the Interferometric Group of Marseille's Observatory to reduce the 3D data coming from Photon Counting or CCD observations.
It contains also general 2D modules useful for simple imagery. It is commonly used to reduce CIGALE, TIGER and PYTHEAS observations.
Demand Activated Manufacturing Architecture
File type category:
Various data file
Date updated: September 5, 2018
The ad3 file extension is also related to DAMA (Demand Activated Manufacturing Architecture).
The DAMA project (created in 1993) was part of the American Textile Partnership (AMTEXTM). DAMA represents a nationwide effort focused on increasing the competitiveness of the fiber, textile, sewn products, and retail industries. For purposes of this project, we collectively refer to these industries as the U.S. Integrated Textile Complex (ITC).
The support for AMTEX and the DAMA Project resulted from funding from the US Department of Energy (DOE) and a consortium of industry companies and universities.DAMA developed an inter-enterprise architecture and analysis methodology for supply chains that enables improved collaborative business across the supply chain.
How to open ad3 file?
Use compatible tools to work with *.ad3 files.
How to convert ad3 file?
Probably cannot be converted to other formats.