| 1 Function | 2 Reference Model | 3 Input/Output Data |
| 4 SubAIMs | 5 JSON Metadata | 6 Profiles |
| 7 Reference Software | 8 Conformance Texting | 9 Performance Assessment |
1 Functions
- Receives Spherical Harmonic Decomposition Coefficients, Transform Speech, Audio Scene Geometry, and Source Model KB info.
- Eliminates background noise and reverberation which reduce the audio quality, acting as a Passthrough AIM if environmental conditions do not substantially add ambient noise to the desired speech.
- Produces Denoised Transform Speech
2 Reference Model

3 Input/Output Data
| Input data | Semantics |
| Spherical Harmonics Decomposition Coefficients | Result of the transformation of Transform Multichannel Audio into the spherical frequency domain. |
| Transform Audio | |
| Audio Scene Geometry | |
| Source Model KB info | Discrete-time and discrete-valued simple acoustic source models used in source separation. |
| Output data | Semantics |
| Enhanced Transform Speech | Transform Speech whose noise level has been reduced. |
4 SubAIMs
No SubAIMs.
5 JSON Metadata
https://schemas.mpai.community/CAE1/V2.4/AIMs/NoiseCancellationModule.json