LP (daga "dogon wasa" ko "dogon wasa"). Matsakaicin ma'ajiyar sauti ce ta analog, tsarin rikodin phonograph wanda ke da: gudun 33+1⁄3 rpm; diamita na 12- ko 10-inch (30- ko 25-cm), diamita; amfani da ƙayyadaddun tsagi na "microroove"; da vinyl (copolymer na vinyl chloride acetate), abun da ke ciki diski. Columbia Records ya gabatar da shi a cikin 1948, ba da daɗewa ba aka karbe shi azaman sabon ma'auni ta duk masana'antar rikodin Amurka.[1]

jami'ar oslo na lagos
gurin karatu na jami'ar Oslo
  1. http://www.tf.uio.no/english/research/groups/
Wannan Muƙalar guntuwa ce: tana buƙatar a inganta ta, kuna iya gyara ta.