Compact disc
The compact disc (CD) is a digital optical disc data storage format that was codeveloped by Philips and Sony to store and play digital audio recordings. It uses the Compact Disc Digital Audio format which typically provides 74 minutes of audio on a disc. In later years, the compact disc was adapted for nonaudio computer data storage purposes as CD-ROM and its derivatives. First released in Japan in October 1982, the CD was the second optical disc technology to be invented, after the much larger LaserDisc (LD). By 2007, 200 billion CDs (including audio CDs, CD-ROMs and CD-Rs) had been sold worldwide.Standard CDs have a diameter of , and are designed to hold up to 74 minutes of uncompressed stereo digital audio or about of data. Capacity is routinely extended to 80 minutes and by arranging data more closely on the same-sized disc. The Mini CD has various diameters ranging from ; they have been used for CD singles or delivering device drivers.
The CD gained rapid popularity in the 1990s, quickly outselling all other audio formats in the United States by 1991, ending the market dominance of the phonograph record and the cassette tape. By 2000, the CD accounted for 92.3% of the entire market share in regard to US music sales. The CD is considered the last dominant audio format of the album era, as the rise of MP3, iTunes, cellular ringtones, and other downloadable music formats in the mid-2000s ended the decade-long dominance of the CD.
The ''Digital Audio'' format was later adapted (as CD-ROM) for general purpose data storage and initially could hold much more data than a personal computer hard disk drive. Several other formats were further derived, both pre-pressed and blank user writable, including write-once audio and data storage (CD-R), rewritable media (CD-RW), Video CD (VCD), Super Video CD (SVCD), Photo CD, Picture CD, Compact Disc-Interactive (CD-i), Enhanced Music CD, and Super Audio CD (SACD) which may have a CD-DA layer. Provided by Wikipedia
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201by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1960
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202by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1948
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203by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1938
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204by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1935
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205by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1953
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206by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1948
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207by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1951
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208by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1948
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209by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1935
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210by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1947
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211by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1945
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212by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1946
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213by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1944
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214by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1946
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215by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1935
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216by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1953
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217by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1962
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218by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1953
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219by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1955
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220by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1960
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221by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1954
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222by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1956
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223by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1939
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224by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1950
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225by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1938
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226by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1948
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227by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1960
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228by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1953
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229by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1953
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230by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1950
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231by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1953
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232by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1956
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233by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1972
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234by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1940
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235by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1952
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236by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1957
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237by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1959
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238by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1961
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239by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1963
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240by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1951
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241by Dawson, Christopher, 1889-1970Location: University of St. Thomas Libraries, University of St. Thomas
Created 1956
Conference Proceeding Book -
242by D'Souza, CruzLocation: University Libraries of CUA, Catholic University of America
Created 1994
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243by Drew, Charles, 1908-1952Location: University Libraries of CUA, Catholic University of America
Created 1954
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244
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245by Duquoc, ChristianLocation: University Libraries of CUA, Catholic University of America
Created 1985
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246by Duggan, CharlesLocation: University Libraries of CUA, Catholic University of America
Created 1998
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247by Duggan, CharlesLocation: University Libraries of CUA, Catholic University of America
Created 1982
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248by Delgado, Conradus, 1907-1946Location: University Libraries of CUA, Catholic University of America
Created 1940
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249by McDonald, Grace, 1918-1999Location: Hesburgh Libraries, University of Notre Dame
Created 2010
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250by Menestrier, Claude-François, 1631-1705Location: Dinand Library, College of the Holy Cross
Created 1669
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