Stereophonic sound (English Wikipedia)

"Binaural Broadcasting" by Franklin M. Doolittle, Broadcasting, November 3, 1952, page 97.
"KOMO Binaural" Broadcasting, June 2, 1952, page 46.
"Binaural Feature at Parts Show", Broadcasting, May 26, 1952, page 73.
"WDRC" (advertisement), Broadcasting, December 8, 1952, page 9.
"Finally, FCC Okays Stereo", Broadcasting, April 24, 1961, pages 65–66.
"Three fms meet date for multiplex stereo", Broadcasting, June 5, 1961, page 58.

archive.today

"Commentary: Dick Burden on FM Stereo Revisited". Radio World. February 1, 2007. Archived from the original on September 10, 2012. Retrieved February 10, 2021.{{cite web}}: CS1 maint: unfit URL (link)

bbc.co.uk

news.bbc.co.uk

"Early stereo recordings restored". BBC. August 1, 2008. Archived from the original on August 7, 2008. Retrieved August 7, 2008. Blumlein lodged the patent for 'binaural sound', in 1931, in a paper which patented stereo records, stereo films and also surround sound. He and his colleagues then made a series of experimental recordings and films to demonstrate the technology, and see if there was any commercial interest from the fledgling film and audio industry.

bbc.co.uk

Start of experimental stereo broadcasting 28 August 1962 Archived November 19, 2018, at the Wayback Machine, BBC

books.google.com

Fox, Barry (December 24–31, 1981). "A hundred years of stereo: fifty of hi-fi". New Scientist. p. 911. Archived from the original on March 29, 2023. Retrieved March 1, 2012.
"Radio Adds Third Dimension", Popular Science, Jan. 1953, p. 106.
Andrew R. Boone, "Mickey Mouse Goes Classical", Popular Science, January 1941, p. 65.
"Commercial Binaural Sound Not Far Off", Billboard, Oct. 24, 1953, p. 15.
"Adventures in Sound", Popular Mechanics, September 1952, p. 216.
"Tape Trade Group to Fix Standards", Billboard, July 10, 1954, p. 34.
"Mass Produced Stereo Disc is Demonstrated," Billboard, Dec. 16, 1957, p. 27.
Audio Fidelity advertisement, Billboard, Dec. 16, 1957, p. 33.
"Mass Produced Stereo Disk is Demonstrated", Billboard, Dec. 16, 1957, p. 27.
"Audio Fidelity Bombshell Had Industry Agog", Billboard, Dec. 22, 1962, p. 36.
"CBS Discloses Stereo Step," Billboard, March 31, 1958, p. 9.
"Mfrs. Strangle Monaural Archived August 6, 2024, at the Wayback Machine", Billboard, Jan. 6, 1968, p. 1.
"Binaural Broadcasting" Archived August 6, 2024, at the Wayback Machine by F. M. Doolittle, Electrical World, April 25, 1925, pages 867–870. The transmitting wavelengths of 268 and 227 meters correspond to frequencies of 1120 (WPAJ's normal frequency) and 1320 kHz respectively.
"Radio Stereophony" Archived June 25, 2024, at the Wayback Machine by Ludwig Kapeller, Radio News, October 1925, pages 416, 544–546. The transmitting wavelengths of 430 and 505 meters correspond to approximately 698 and 594 kHz respectively.
"Binaural Music on the Campus Archived August 6, 2024, at the Wayback Machine", Popular Science, April 1953, p. 20.
"Dealers: Lawrence Welk Leads in Stereo!" (advertisement), Billboard, Oct. 13, 1958, p. 23.
"Expect Giant TV Stereo Audience Archived August 6, 2024, at the Wayback Machine", Billboard, Oct. 20, 1958, p. 12.

concordia.ca

cec.concordia.ca

A Review and an Extension of Pseudo-Stereo... Archived December 6, 2007, at the Wayback Machine

decoy.iki.fi

Lipschitz, Stanley (November 9, 1986). "Stereo Microphone Techniques: Are the Purists Wrong?" (PDF). Journal of the Audio Engineering Society. 34 (9): 716–743.

discogs.com

"Bel Canto Stereophonic Demonstration Record". Discogs. Retrieved March 12, 2024.

espacenet.com

worldwide.espacenet.com

GB patent 394325, Alan Dower Blumlein, "Improvements in and relating to Sound-transmission, Sound-recording and Sound-reproducing Systems.", issued 1933-06-14, assigned to Alan Dower Blumlein and Musical Industries, Limited
US 1513973 "Radiotelephony". Patent issued November 4, 1924 to Franklin M. Doolittle for application filed February 21, 1924.

fcc.gov

docs.fcc.gov

"FCC authorizes all-digital AM radio" (PDF). fcc.gov (Press release). Federal Communications Commission. October 27, 2020. Retrieved October 27, 2020.

freepatentsonline.com

"Pseudo-stereo circuit—Patent 6636608". Freepatentsonline.com. October 21, 2003. Archived from the original on June 15, 2011. Retrieved October 17, 2011.

hathitrust.org

babel.hathitrust.org

"The Telephone at the Paris Opera" Archived February 25, 2021, at the Wayback Machine, Scientific American, December 31, 1881, pages 422–23.
"Dutch Regard 'Stereophonic Broadcasting' Experiment as Significant for Future" Archived March 11, 2021, at the Wayback Machine Foreign Commerce Weekly, August 24, 1946, page 16.

imdb.com

"Romeo and Juliet". October 8, 1968. Archived from the original on December 22, 2016. Retrieved January 1, 2017 – via IMDb.
"West Side Story". December 23, 1961. Archived from the original on November 23, 2016. Retrieved January 1, 2017 – via IMDb.
"My Fair Lady". December 25, 1964. Archived from the original on November 25, 2015. Retrieved January 1, 2017 – via IMDb.
"Camelot". October 25, 1967. Archived from the original on December 16, 2016. Retrieved January 1, 2017 – via IMDb.
"Ben-Hur". January 29, 1960. Archived from the original on April 12, 2007. Retrieved January 1, 2017 – via IMDb.
"Cleopatra". July 31, 1963. Archived from the original on December 3, 2003. Retrieved January 1, 2017 – via IMDb.
"The Graduate". December 22, 1967. Archived from the original on November 8, 2020. Retrieved January 1, 2017 – via IMDb.

jazzology.com

"Jazzbeat October 26, 2007". Jazzology.com. Archived from the original on September 27, 2011. Retrieved October 17, 2011.

loc.gov

chroniclingamerica.loc.gov

"2 Stations, 2 Mikes, 2 Radios Give Broadcast Realistic Sound" Archived March 16, 2021, at the Wayback Machine, Washington (D.C.) Evening Star, October 24, 1952, page A-24.

multitrackstudio.com

"Pseudo-Stereo". Multitrackstudio.com. Archived from the original on October 4, 2011. Retrieved October 17, 2011.

musicandarts.com

"Waler Gieseking plays Beethoven: Piano Concerto No. 1 in C, Op. 15 & Piano Concerto No. 5 in E-flat, Op. 73, "Emperor"". Archived from the original on February 27, 2024. Retrieved February 11, 2024.

nytimes.com

"Japan's Stereo TV System Archived July 1, 2017, at the Wayback Machine", The New York Times, June 16, 1984.

patentstorm.us

"Psycho acoustic pseudo-stereo fold system". Patentstorm.us. Archived from the original on December 4, 2008. Retrieved October 17, 2011.

radio-online.com

news.radio-online.com

"WWFD 820 AM becomes first all-digital AM station". Radio-Online. July 16, 2018.

rochester.edu

ecmc.rochester.edu

"Hyperprism-DX Stereo Processes—Quasi stereo". March 31, 2008. Archived from the original on March 31, 2008.

rycote.com

""The Stereophonic Zoom" by Michael Williams" (PDF). Archived from the original (PDF) on May 31, 2011. Retrieved October 17, 2011.

sengpielaudio.com

Eberhard Sengpiel. "Forum für Mikrofonaufnahme und Tonstudiotechnik. Eberhard Sengpiel". Sengpielaudio.com. Archived from the original on October 17, 2011. Retrieved October 17, 2011.

sonicstudies.org

journal.sonicstudies.org

Sedman, David. The Legacy of Broadcast Stereo Sound. Journal of Sonic Studies. Oct. 2012 at http://journal.sonicstudies.org/vol03/nr01/a03 Archived October 15, 2014, at the Wayback Machine

soundfountain.org

"Thor Johnson (1913-1975)". Archived from the original on April 27, 2019. Retrieved February 21, 2021.

stokowski.org

Stokowski, Harvey Fletcher, and the Bell Labs Experimental Recordings Archived November 28, 2010, at the Wayback Machine, stokowski.org, accessed March 1, 2012.

terramedia.co.uk

Chronomedia: 1982 Archived September 22, 2009, at the Wayback Machine.

theconversation.com

Borgerson, Janet; Schroeder, Jonathan (December 12, 2018). "How stereo was first sold to a skeptical public". The Conversation. Archived from the original on December 24, 2018. Retrieved December 23, 2018.

thedukesofdixieland.com

"Harry R. Porter history". Thedukesofdixieland.com. Archived from the original on January 26, 2004. Retrieved October 17, 2011.

time.com

"Pseudo Stereo, Time magazine, Jan. 20, 1961". Time. January 20, 1961. Archived from the original on March 8, 2008. Retrieved October 17, 2011.

tufts.edu

perseus.tufts.edu

στερεός Archived August 28, 2023, at the Wayback Machine, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus Digital Library
φωνή Archived March 9, 2021, at the Wayback Machine, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus Digital Library

vinylrecorder.com

"Stereo disc recording". Archived from the original on September 25, 2006. Retrieved October 4, 2006.

web.archive.org

στερεός Archived August 28, 2023, at the Wayback Machine, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus Digital Library
φωνή Archived March 9, 2021, at the Wayback Machine, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus Digital Library
"The Telephone at the Paris Opera" Archived February 25, 2021, at the Wayback Machine, Scientific American, December 31, 1881, pages 422–23.
"Early stereo recordings restored". BBC. August 1, 2008. Archived from the original on August 7, 2008. Retrieved August 7, 2008. Blumlein lodged the patent for 'binaural sound', in 1931, in a paper which patented stereo records, stereo films and also surround sound. He and his colleagues then made a series of experimental recordings and films to demonstrate the technology, and see if there was any commercial interest from the fledgling film and audio industry.
Fox, Barry (December 24–31, 1981). "A hundred years of stereo: fifty of hi-fi". New Scientist. p. 911. Archived from the original on March 29, 2023. Retrieved March 1, 2012.
Stokowski, Harvey Fletcher, and the Bell Labs Experimental Recordings Archived November 28, 2010, at the Wayback Machine, stokowski.org, accessed March 1, 2012.
"Romeo and Juliet". October 8, 1968. Archived from the original on December 22, 2016. Retrieved January 1, 2017 – via IMDb.
"West Side Story". December 23, 1961. Archived from the original on November 23, 2016. Retrieved January 1, 2017 – via IMDb.
"My Fair Lady". December 25, 1964. Archived from the original on November 25, 2015. Retrieved January 1, 2017 – via IMDb.
"Camelot". October 25, 1967. Archived from the original on December 16, 2016. Retrieved January 1, 2017 – via IMDb.
"Ben-Hur". January 29, 1960. Archived from the original on April 12, 2007. Retrieved January 1, 2017 – via IMDb.
"Cleopatra". July 31, 1963. Archived from the original on December 3, 2003. Retrieved January 1, 2017 – via IMDb.
"The Graduate". December 22, 1967. Archived from the original on November 8, 2020. Retrieved January 1, 2017 – via IMDb.
"Waler Gieseking plays Beethoven: Piano Concerto No. 1 in C, Op. 15 & Piano Concerto No. 5 in E-flat, Op. 73, "Emperor"". Archived from the original on February 27, 2024. Retrieved February 11, 2024.
"Thor Johnson (1913-1975)". Archived from the original on April 27, 2019. Retrieved February 21, 2021.
"Jazzbeat October 26, 2007". Jazzology.com. Archived from the original on September 27, 2011. Retrieved October 17, 2011.
"Harry R. Porter history". Thedukesofdixieland.com. Archived from the original on January 26, 2004. Retrieved October 17, 2011.
RCA Victor Red Seal Labelography (1950–1967).
"Mfrs. Strangle Monaural Archived August 6, 2024, at the Wayback Machine", Billboard, Jan. 6, 1968, p. 1.
"Binaural Broadcasting" Archived August 6, 2024, at the Wayback Machine by F. M. Doolittle, Electrical World, April 25, 1925, pages 867–870. The transmitting wavelengths of 268 and 227 meters correspond to frequencies of 1120 (WPAJ's normal frequency) and 1320 kHz respectively.
"Stereoscopic or Binaural Broadcasting in Experimental Use at New Haven" Archived January 7, 2022, at the Wayback Machine (correspondence from Franklin M. Doolittle), Cincinnati (Ohio) Enquirer, March 22, 1925, Section 6, page 6.
"Radio Stereophony" Archived June 25, 2024, at the Wayback Machine by Ludwig Kapeller, Radio News, October 1925, pages 416, 544–546. The transmitting wavelengths of 430 and 505 meters correspond to approximately 698 and 594 kHz respectively.
"Stereoscopic Broadcasting" Archived March 10, 2021, at the Wayback Machine by Captain H. J. Round, Wireless, September 26, 1925, pages 55–56.
"Dutch Regard 'Stereophonic Broadcasting' Experiment as Significant for Future" Archived March 11, 2021, at the Wayback Machine Foreign Commerce Weekly, August 24, 1946, page 16.
"2 Stations, 2 Mikes, 2 Radios Give Broadcast Realistic Sound" Archived March 16, 2021, at the Wayback Machine, Washington (D.C.) Evening Star, October 24, 1952, page A-24.
"Binaural Music on the Campus Archived August 6, 2024, at the Wayback Machine", Popular Science, April 1953, p. 20.
Start of experimental stereo broadcasting 28 August 1962 Archived November 19, 2018, at the Wayback Machine, BBC
"Expect Giant TV Stereo Audience Archived August 6, 2024, at the Wayback Machine", Billboard, Oct. 20, 1958, p. 12.
Sedman, David. The Legacy of Broadcast Stereo Sound. Journal of Sonic Studies. Oct. 2012 at http://journal.sonicstudies.org/vol03/nr01/a03 Archived October 15, 2014, at the Wayback Machine
"Japan's Stereo TV System Archived July 1, 2017, at the Wayback Machine", The New York Times, June 16, 1984.
Chronomedia: 1982 Archived September 22, 2009, at the Wayback Machine.
""The Stereophonic Zoom" by Michael Williams" (PDF). Archived from the original (PDF) on May 31, 2011. Retrieved October 17, 2011.
Eberhard Sengpiel. "Forum für Mikrofonaufnahme und Tonstudiotechnik. Eberhard Sengpiel". Sengpielaudio.com. Archived from the original on October 17, 2011. Retrieved October 17, 2011.
"Pseudo-Stereo". Multitrackstudio.com. Archived from the original on October 4, 2011. Retrieved October 17, 2011.
"Hyperprism-DX Stereo Processes—Quasi stereo". March 31, 2008. Archived from the original on March 31, 2008.
A Review and an Extension of Pseudo-Stereo... Archived December 6, 2007, at the Wayback Machine
"Pseudo-stereo circuit—Patent 6636608". Freepatentsonline.com. October 21, 2003. Archived from the original on June 15, 2011. Retrieved October 17, 2011.
"Psycho acoustic pseudo-stereo fold system". Patentstorm.us. Archived from the original on December 4, 2008. Retrieved October 17, 2011.
"Pseudo Stereo, Time magazine, Jan. 20, 1961". Time. January 20, 1961. Archived from the original on March 8, 2008. Retrieved October 17, 2011.
Borgerson, Janet; Schroeder, Jonathan (December 12, 2018). "How stereo was first sold to a skeptical public". The Conversation. Archived from the original on December 24, 2018. Retrieved December 23, 2018.
"Stereo disc recording". Archived from the original on September 25, 2006. Retrieved October 4, 2006.
"AES Professional Audio Reference Home". Archived from the original on October 2, 2017. Retrieved January 20, 2008.

widescreenmuseum.com

"The CinemaScope Wing 5". Widescreen Museum. Retrieved October 17, 2011.

wikimedia.org

commons.wikimedia.org

"Stereoscopic or Binaural Broadcasting in Experimental Use at New Haven" Archived January 7, 2022, at the Wayback Machine (correspondence from Franklin M. Doolittle), Cincinnati (Ohio) Enquirer, March 22, 1925, Section 6, page 6.

worldradiohistory.com

"Stereoscopic Broadcasting" Archived March 10, 2021, at the Wayback Machine by Captain H. J. Round, Wireless, September 26, 1925, pages 55–56.