diff --git a/etc/codecs.conf b/etc/codecs.conf
index e9291c0966..3ec5f11e8e 100644
--- a/etc/codecs.conf
+++ b/etc/codecs.conf
@@ -1209,12 +1209,14 @@ audiocodec imaadpcm
   status working
   format 0x11
   format 0x34616d69  ; "ima4" (MOV files)
+  format 0x1100736d ; "ms\x00\x11" (MOV files)
   driver imaadpcm
 
 audiocodec msadpcm
   info "MS ADPCM"
   status working
   format 0x2
+  format 0x0200736d  ; "ms\x00\x02" (MOV files)
   driver msadpcm
 
 audiocodec dk4adpcm
@@ -1258,6 +1260,7 @@ audiocodec pcm
   format 0x1
   format 0x20776172  ; "raw " (MOV files)
   format 0x736f7774  ; "twos" (MOV files)
+  format 0x74776f73  ; "sowt" (MOV files)
 ;;;; these are for hardware support only:  (alaw,ulaw,ima-adpcm,mpeg,ac3)
 ;  format 0x6
 ;  format 0x7