From a64069abbc95d2b8a371cfd85b6e904c58af2166 Mon Sep 17 00:00:00 2001
From: Laurens Valk <laurens@pybricks.com>
Date: Tue, 14 Jan 2020 19:36:08 +0100
Subject: [PATCH] doc/signaltypes: add decibel

---
 doc/api/signaltypes.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/api/signaltypes.rst b/doc/api/signaltypes.rst
index 1d13bce..92aa176 100644
--- a/doc/api/signaltypes.rst
+++ b/doc/api/signaltypes.rst
@@ -210,3 +210,10 @@ power: mW
 
 Power is the rate at which energy is stored or consumed. It is expressed in
 milliwatt (mW).
+
+.. _sounddb:
+
+sound intensity: dB
+---------------------
+
+Sound intensity is expressed as decibel (dB).