PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, the buzz component are a function of the vertical synchronization signal, which in standard NTSC format, has.a frequency of 60 HZ. Therefore, because of non-linearities in the television circuitry, the frequency of the buzz components are at 60 Hz and harmonics thereof.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com