Stores information about source and/or quality of encoding.

Member of SV8 Header

Profile	Name	Meaning of the profile
0 . . . 100	SV8	SV8 encoded using quality 0.0 <= x <= 10.0
101 . . . 127	-	reserved
128	-	unknown
129	SV4-6	lossless transcoded from SV4 . . . SV6
130	MP2	lossless transcoded from MPEG Layer 2
131	MP2	Encoded by Alpha version
132	MP2	Encoded by Beta version
133 . . . 143	-	reserved
144 . . . 154	SV7	lossless transcoded from SV7 using quality 0 <= x <= 10
155 . . . 255	-	reserved