---
title: "RTCRtpContributingSource | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface RTCRtpContributingSource

interface RTCRtpContributingSource {  
    [audioLevel](#audiolevel)?: number;  
    [rtpTimestamp](#rtptimestamp): number;  
    [source](#source): number;  
    [timestamp](#timestamp): number;  
}

#### Hierarchy ([View Summary](https://docs.maptiler.com/sdk-js/api-reference/hierarchy/#Externals.RTCRtpContributingSource))

-   RTCRtpContributingSource
    -   [RTCRtpSynchronizationSource](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpSynchronizationSource/)

##### Index

### Properties[](#properties)

[audioLevel?](#audiolevel) [rtpTimestamp](#rtptimestamp) [source](#source) [timestamp](#timestamp)

## Properties[](#properties-1)

### `Optional`audioLevel[](#audiolevel)

audioLevel?: number

### rtpTimestamp[](#rtptimestamp)

rtpTimestamp: number

### source[](#source)

source: number

### timestamp[](#timestamp)

timestamp: number