the_excerpt_embed()

function the_excerpt_embed() {
	$output = get_the_excerpt();

	/**
	 * Filters the post excerpt for the embed template.
	 *
	 * @since WP-4.4.0
	 *
	 * @param string $output The current post excerpt.
	 */
	echo apply_filters( 'the_excerpt_embed', $output );
}