# SpeechAlignment

> Tracon documentation. Tracon is a .NET package family that adds a control
> plane on Microsoft Agent Framework, published as NuGet packages that run
> inside your own ASP.NET Core application.
>
> Page: https://tracon.dev/http-api/schemas/speechalignment/
> Summary: OpenAPI request or response schema for SpeechAlignment, including required fields, defaults, constraints, and linked nested types.

[← All HTTP schemas](/http-api/schemas/)

One character's position in the generated audio.

**Shape:** `object`

| Property | Required | Type | Description | Rules |
|---|---|---|---|---|
| `character` | yes | `string` | The character, as sent in the request text. | — |
| `start` | yes | `string` | When the character starts, relative to the start of the audio. | pattern `^-?(\d+\.)?\d{2}:\d{2}:\d{2}(\.\d{1,7})?$` |
| `end` | yes | `string` | When the character ends, relative to the start of the audio. | pattern `^-?(\d+\.)?\d{2}:\d{2}:\d{2}(\.\d{1,7})?$` |