Technical Specification: Context-based Audio Enhancement (MPAI-CAE) V2.2 specifies technologies that improve the user experience for audio-related applications including entertainment, communication, teleconfer­encing, gaming, post-production, restoration etc. in a variety of contexts such as in the home, in the car, on-the-go, in the studio etc. using context information to act on the input audio content, and potentially deliver the processed output via an appropriate protocol. MPAI-CAE specifies four Use Cases and one Composite AIM.  The Use Cases are: Emotion Enhan­ced Speech (EES), Audio Recording Preservation (ARP), Speech Restoration System (SSR), and Enhanced Audioconference Experience (EAE); the Composite AIM is Audio Scene Description (ASD).


Each Use Case normatively defines:


The word normatively implies that an Implementation claiming Conformance to:

  1. An AIW, shall:
    1. Have the AIW Function specified in the appropriate Section of Chapter 2.
    2. Have all its AIMs and their Connections conforming with the AIW Reference Model specified in the appropriate Section of Chapter 2.
    3. The AIW and AIM input and output data should have the Formats specified in the approp­riate Subsection of Section 6.
  2. An AIM, shall:
  3. A data Format, the data shall have the Format specified in Section 6.


Users of this Technical Specification should note that:

This version of the MPAI-CAE Technical Specification has been developed by the CAE-DC Dev­elopment Committee. Future Versions may revise and/or extend the Scope of the Standard.