> For the complete documentation index, see [llms.txt](https://docs.vdo.ninja/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vdo.ninja/advanced-settings/video-parameters/and-buffer2.md).

# \&buffer2

Viewer-Side Option! ([`&view`](/advanced-settings/mixer-scene-parameters/view.md), [`&scene`](/advanced-settings/mixer-scene-parameters/scene.md), [`&room`](/advanced-settings/setup-parameters/room.md))

## Options

Example: `&buffer2=500`

| Value           | Description |
| --------------- | ----------- |
| (numeric value) | delay in ms |

## Details

`&buffer2=500` is the same as [`&buffer`](/advanced-settings/video-parameters/buffer.md), but instead also tells the system to include the round-trip-time in the buffer delay calculation. This way 500-ms of buffer on a connection that has a 200ms ping time will result in a smaller 300-ms buffer, leading to an end-to-end playout delay of \~500ms.

It won't work that well with [Meshcast](/advanced-settings/meshcast-parameters/and-meshcast.md).

It's not super precise, but on a stable connection maybe within 20-ms of flux?

## Related

{% content-ref url="/pages/-MZdtO5YNVAt2R8vG5Us" %}
[\&buffer](/advanced-settings/video-parameters/buffer.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MZdvss-ktTf4GVpebJs" %}
[\&sync](/advanced-settings/audio-parameters/sync.md)
{% endcontent-ref %}


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