> 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/audio-parameters/aec.md).

# \&echocancellation

Sender-Side Option! ([`&push`](/advanced-settings/setup-parameters/push.md))

## Aliases

* `&aec`
* `&ec`

## Options

Example: `&echocancellation=1`

| Value | Description                               |
| ----- | ----------------------------------------- |
| `0`   | Turns OFF the automatic echo-cancellation |
| `1`   | Turns ON the automatic echo-cancellation  |

## Details

Automatic echo-cancellation is ON by default in VDO.Ninja.

You can turn off echo-cancellation by adding `&aec=0` to a source link (guest). If you are using [`&proaudio`](/advanced-settings/audio-parameters/and-proaudio.md), echo-cancellation gets turned off. You can enable it again with `&proaudio&aec=1`.

You can also switch it on or off via the audio settings. If you want the guests to be able to change the audio settings by themselves, use [`&mediasettings`](/advanced-settings/video-parameters/and-mediasettings.md) on the link of the guests, as per default only the director can change the audio settings of the guests.

![](/files/HdJo4b61rj5qpFKDB8bp)

May need to be disabled to use [`&proaudio`](/advanced-settings/audio-parameters/and-proaudio.md) on some older browsers.

## Related

{% content-ref url="/pages/tGoy09fN91prKCjzOlc7" %}
[\&proaudio](/advanced-settings/audio-parameters/and-proaudio.md)
{% endcontent-ref %}

{% content-ref url="/pages/-Mj8Z0VEEeXvU7RMwuTI" %}
[\&noisegate](/advanced-settings/audio-parameters/noisegate.md)
{% endcontent-ref %}

{% content-ref url="/pages/8c31Okh6sYPWaoHhjhpr" %}
[\&screenshareaec](/advanced-settings/screen-share-parameters/and-screenshareaec.md)
{% endcontent-ref %}


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