# 6. Motion Sensitivity Calibration

Every user's facial structure, camera position and lighting are different. These factors play a significant role in affecting the motion-capture algorithm and performance. 

The Motion Sensitivity Calibration feature enables users to calibrate motion-tracking sensitivity to fit the user's environment and facial structure.

<figure><img src="/files/A08WRW71VfbraJM64Thi" alt=""><figcaption></figcaption></figure>

## Motion Sensitivity Calibration

Calibrate motion detection sensitivity to fit the user’s environment and facial structure. The higher sensitivity value enables the avatar to respond more sensitively to the user’s smaller motions.

The default value is set to 0.

### 1. Eye

<figure><img src="/files/l7b667i6vuRMmTSDLBmF" alt=""><figcaption></figcaption></figure>

#### a. Eyelid

* The higher Eyelid sensitivity value enables the avatar’s eyelids to respond more sensitively to the user’s smaller eyelid movements. For example, an Eyelid sensitivity value of -100 will disable closed eyes.
* The default value is set to 0.

#### b. Pupil

* The higher Pupil sensitivity value enables the avatar’s pupils to respond more sensitively to the user’s smaller pupil movements. For example, a Pupil sensitivity of -100 will disable pupil movement.
* The default value is set to 0.

#### c. Wink

* Enabling Wink allows the avatar to move eyelids asynchronously.
* Wink is disabled as a default.

###

### 2. Eyebrow

<figure><img src="/files/1UGVqUOPzPgCpvtAARPI" alt=""><figcaption></figcaption></figure>

#### a. Height

* The higher Eyebrow Height sensitivity value enables the avatar’s eyebrows to respond more sensitively to the user’s smaller eyebrow movements. For example, an Eyebrow Height sensitivity of -100 will disable Eyebrow movement.
* The default value is set to 0.

### 3. Mouth

<figure><img src="/files/U1qicCyQOuA9yiLE5Rv7" alt=""><figcaption></figcaption></figure>

#### a. Width

* The higher Mouth Height Width sensitivity value enables the avatar’s horizontal movement of the mouth to respond more sensitively to the user’s smaller horizontal movement of the mouth. For example, a Mouth Width sensitivity of -100 will disable ‘eh’ or ‘ee’ mouth shapes.
* The default value is set to 0.

#### b. Height

* The higher Mouth Height sensitivity value enables the avatar’s vertical movement of the mouth to respond more sensitively to the user’s smaller vertical movement of the mouth. For example, a Mouth Height sensitivity of -100 will disable ‘ah’, ‘oh’ or ‘oo’ mouth shapes.
* The default value is set to 0.


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