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# Face Demographics Engine Configuration Parameters

The Face Demographics analysis engine provides demographic information such as age, gender, and ethnicity for detected faces.

This section describes the parameters that you can set in the configuration section for a Face Demographics task.

Configuration Parameter | Description
--- | ---
FrameRate | The number of frames to analyze per second of video.
Input | The track that you want to process.
Type | The analysis engine to use. Set this parameter to `Demographics`.

## Output Tracks

Output track | Type | Description | Output1This column indicates whether the information contained in the track is included by default in the output created by an output task (when you don't set the Input parameter for the output task).
--- | --- | --- | ---
`Result` | DemographicsResult | Contains a record with the results of analysis for each detected face. | Yes
`ResultWithSource` | DemographicsAndImage | Contains the same information as the `Result` track, but each record also includes the best source frame. | No

DemographicsResult

Field name | Type | Description
--- | --- | ---
id | UUIDData | A universally unique identifier to identify the face
face | FaceData | Information about the detected face
ethnicity | String | The person's ethnicity
age | String | The person's age
gender | String | The person's gender

DemographicsAndImage

Field name | Type | Description
--- | --- | ---
id | UUIDData | A universally unique identifier to identify the face
face | FaceData | Information about the detected face
ethnicity | String | The person's ethnicity
age | String | The person's age
gender | String | The person's gender
image | ImageData | The source image

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