# Creating an audio encode from scratch
<a name="create-audio-scratch"></a>

1. On the **Create channel** page, find the output group that you [created](creating-a-channel-step4.md). 

1. Under that output group, find the output where you want to set up an audio encode.

1. If you need to add a new audio to this output, choose **Add audio**, then choose **Create a new audio description**,

1. Choose the audio encode, and in **Codec settings**, choose the codec to use for this encode. More fields appear.

1. In **Audio selector name**, choose the selector that is the source for this audio encode, according to [your plan](channel-map-output-source.md). You [created this selector](input-audio-selectors.md) earlier.

1. Complete other fields as appropriate. For details about a field, choose the **Info** link next to the field. 
   + The fields in the **Codec settings** section are different for each type of codec.
   + The fields in the **Remix settings** section are optional.
   + The fields in the **Audio normalization** settings are optional.
   + The fields in the **Additional settings** section are optional.