From 2c8316307adb4703bf70f15f06f975f10aae7108 Mon Sep 17 00:00:00 2001
From: Kieran <kieran@harkin.me>
Date: Wed, 29 Jan 2025 10:22:08 +0000
Subject: [PATCH] Update 71.md

---
 71.md | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/71.md b/71.md
index 5edd7c60..fe7db2ec 100644
--- a/71.md
+++ b/71.md
@@ -24,6 +24,11 @@ The primary source of video information is the `imeta` tags which is defined in
 
 Each `imeta` tag can be used to specify a variant of the video by the `dim` & `m` properties.
 
+This NIP defines the following additional `imeta` properties aside form those listen in [NIP-92](92.md) & [NIP-94](94.md):
+
+* `duration` (recommended) the duration of the video/audio in seconds (floating point number)
+* `bitrate` (recommended) the average bitrate of the video/audio in bits/sec
+
 Example:
 ```json
 [
@@ -37,6 +42,8 @@ Example:
     "fallback https://myotherserver.com/1080/12345.mp4",
     "fallback https://andanotherserver.com/1080/12345.mp4",
     "service nip96",
+    "bitrate 3000000",
+    "duration 29.223"
   ],
   ["imeta", 
     "dim 1280x720",
@@ -48,6 +55,8 @@ Example:
     "fallback https://myotherserver.com/720/12345.mp4",
     "fallback https://andanotherserver.com/720/12345.mp4",
     "service nip96",
+    "bitrate 2000000",
+    "duration 29.24"
   ],
   ["imeta", 
     "dim 1280x720",
@@ -59,6 +68,7 @@ Example:
     "fallback https://myotherserver.com/720/12345.m3u8",
     "fallback https://andanotherserver.com/720/12345.m3u8",
     "service nip96",
+    "duration 29.21"
   ],
 ]
 ```
@@ -126,4 +136,4 @@ Additionally `service nip96` may be included to allow clients to search the auth
     ["r", "<url>"]
   ]
 }
-```
\ No newline at end of file
+```