[{"data":1,"prerenderedAt":238},["ShallowReactive",2],{"blog-post-edward-viii-abdication-1936-restored":3},{"slug":4,"path":5,"title":6,"description":7,"publishedAt":8,"updatedAt":8,"author":9,"category":10,"tags":11,"featureImage":14,"ogImage":20,"canonical":21,"seoTitle":22,"seoDescription":23,"keywords":24,"readingTimeMinutes":30,"wordCount":31,"bodySegments":32,"hasMath":99,"headings":100,"mediaClips":110,"showFeatureImage":99,"leadFigureHtml":114,"relatedPosts":120,"citations":237},"edward-viii-abdication-1936-restored","/blog/edward-viii-abdication-1936-restored/","Edward VIII's abdication broadcast, 1936: hear it restored","The speech the BBC says its engineers recorded in defiance of orders: Edward VIII giving up the throne on December 11, 1936, before and after restoration with Diffio AI.","2026-11-06T18:00:00Z","Nathan Harmon","restoration",[12,13],"Audio restoration","History",{"src":15,"alt":16,"widthPixels":17,"heightPixels":18,"srcset":19},"/media/blog/edward-viii-abdication-1936-restored/abdication-spectrogram.webp","Spectrograms of Edward VIII saying \"the woman I love\" in his 1936 abdication broadcast, original and restored with Diffio AI",1400,640,"/media/blog/edward-viii-abdication-1936-restored/responsive/abdication-spectrogram-480w.webp 480w, /media/blog/edward-viii-abdication-1936-restored/responsive/abdication-spectrogram-800w.webp 800w, /media/blog/edward-viii-abdication-1936-restored/responsive/abdication-spectrogram-1200w.webp 1200w, /media/blog/edward-viii-abdication-1936-restored/abdication-spectrogram.webp 1400w",{"src":15,"alt":16,"widthPixels":17,"heightPixels":18,"srcset":19},"https://diffio.ai/blog/edward-viii-abdication-1936-restored/","Edward VIII abdication speech restored: hear the 1936 talk","Hear Edward VIII's 1936 abdication broadcast, \"the woman I love\", original and restored side by side, ahead of its 90th anniversary.",[25,26,27,28,29],"Edward VIII abdication speech","abdication speech recording","the woman I love speech","December 11 1936 broadcast","historical audio restoration",2,513,[33,96],{"kind":34,"comparison":35},"audio-comparison",{"passageName":36,"originalSourceNote":37,"originalSrc":38,"restoredSrc":39,"originalWaveformPeaks":40,"restoredWaveformPeaks":81},"Edward VIII's abdication broadcast, December 11, 1936","copy from the BBC's History of the BBC page","/media/blog/edward-viii-abdication-1936-restored/abdication-1936-original.mp3","/media/blog/edward-viii-abdication-1936-restored/abdication-1936-restored.mp3",[41,42,41,43,44,45,41,46,47,48,41,49,50,51,41,52,53,54,41,41,55,52,41,41,52,56,57,53,58,59,59,60,41,61,41,58,41,62,41,43,63,64,41,41,65,66,67,68,41,65,55,59,43,41,41,63,41,41,65,69,60,41,54,41,70,54,71,41,72,73,74,41,75,42,76,65,41,41,41,77,41,73,53,43,50,41,78,79,41,60,41,80,67,41,41,41],0.06,0.23,0.07,0.31,0.49,0.51,0.22,0.8,0.61,0.09,0.29,0.34,0.12,0.56,0.4,0.85,0.7,0.37,0.13,1,0.53,0.2,0.39,0.32,0.28,0.24,0.14,0.33,0.36,0.72,0.25,0.41,0.35,0.21,0.17,0.63,0.5,0.45,0.26,0.3,[41,82,41,41,66,73,41,83,84,85,41,86,43,44,41,87,88,89,41,41,86,69,41,41,55,60,48,90,91,67,53,60,41,77,41,68,41,84,41,41,51,58,41,41,66,47,92,80,41,42,44,92,41,41,41,65,41,41,79,80,60,41,77,41,93,94,62,41,91,91,82,41,75,79,57,71,41,41,41,61,41,58,88,41,41,41,63,42,41,95,41,65,92,41,41,41],0.18,0.48,0.16,0.84,0.43,0.46,0.1,0.77,0.08,0.38,0.11,0.78,0.54,0.96,{"kind":97,"html":98},"html","\u003Cp>On the night of December 11, 1936, the man who had been King until earlier that day spoke from Windsor Castle and told the country why he had gone. The BBC says the recording \u003Ca href=\"https://www.bbc.com/historyofthebbc/anniversaries/december/edward-viii-abdication-speech/\">survives because its engineers made it "in defiance of orders"\u003C/a>, and that "for many years archivists denied its existence." December 11, 2026 is the 90th anniversary. We ran the full broadcast through Diffio AI; the original sits beside the result.\u003C/p>\n\u003Ch2 id=\"how-to-compare-the-original-and-restored-broadcast\">How to compare the original and restored broadcast\u003C/h2>\n\u003Cdiv class=\"blog-chart blog-chart--numbers\">\u003Cp class=\"blog-chart__title\">Before you listen\u003C/p>\u003Cul class=\"blog-numbers\">\u003Cli>\u003Cspan class=\"blog-numbers__value\">Matched\u003C/span>\u003Cspan class=\"blog-numbers__label\">both files have the same loudness, so neither wins by being louder\u003C/span>\u003C/li>\u003Cli>\u003Cspan class=\"blog-numbers__value\">Full speech\u003C/span>\u003Cspan class=\"blog-numbers__label\">from "At long last" to "God save the King"\u003C/span>\u003C/li>\u003C/ul>\u003C/div>\n\u003Cdetails class=\"blog-details\">\u003Csummary>About our source\u003C/summary>\u003Cdiv class=\"blog-details__body\">\u003Cp>We worked from the copy on \u003Ca href=\"https://commons.wikimedia.org/wiki/File:Edward_VIII_abdication_speech.ogg\">Wikimedia Commons\u003C/a>, which credits the BBC's page as its source. It is a copy of a web file, not a BBC master, so what you hear in the original is the recording's age and the file's compression together. A speech quality model (SCOREQ) reads the original at 2.29 out of 5 and the restored file at 4.24. We compared transcripts of both files and rechecked each place they differed; we found no changed words.\u003C/p>\n\u003Cp>The BBC says Sir John Reith, its Director-General, introduced the broadcast and that it interrupted a repeat of a comic opera program. Reith's introduction isn't on this copy.\u003C/p>\u003C/div>\u003C/details>\n\u003Ch2 id=\"the-woman-i-love\">"The woman I love"\u003C/h2>\n\u003Cblockquote>\n\u003Cp>"I have found it impossible to carry the heavy burden of responsibility and to discharge my duties as King as I would wish to do without the help and support of the woman I love."\u003C/p>\n\u003C/blockquote>\n\u003Cfigure class=\"blog-figure blog-figure--image\">\u003Cdiv class=\"blog-figure__frame\">\u003Cimg src=\"/media/blog/edward-viii-abdication-1936-restored/abdication-spectrogram.webp\" srcset=\"/media/blog/edward-viii-abdication-1936-restored/responsive/abdication-spectrogram-480w.webp 480w, /media/blog/edward-viii-abdication-1936-restored/responsive/abdication-spectrogram-800w.webp 800w, /media/blog/edward-viii-abdication-1936-restored/responsive/abdication-spectrogram-1200w.webp 1200w, /media/blog/edward-viii-abdication-1936-restored/abdication-spectrogram.webp 1400w\" sizes=\"(max-width: 760px) calc(100vw - 40px), 720px\" alt=\"Spectrograms of 14 seconds of Edward VIII's abdication broadcast, original above and restored below\" width=\"1400\" height=\"640\" loading=\"lazy\" decoding=\"async\">\u003C/div>\u003Cfigcaption>Restored, the noise between his words goes dark\u003C/figcaption>\u003Ca class=\"blog-figure__full\" href=\"/media/blog/edward-viii-abdication-1936-restored/abdication-spectrogram.webp\">View full size\u003Cspan class=\"blog-visually-hidden\">: Spectrograms of 14 seconds of Edward VIII's abdication broadcast, original above and restored below\u003C/span>\u003C/a>\u003C/figure>\n\u003Cdetails class=\"blog-details\">\u003Csummary>How to read the spectrogram\u003C/summary>\u003Cdiv class=\"blog-details__body\">\u003Cp>Fourteen seconds of the broadcast, ending on "the woman I love", original above and restored below. Time runs left to right, pitch rises from bottom to top, and brighter means louder. In the original, noise fills the space between his words; after restoration that space goes dark.\u003C/p>\u003C/div>\u003C/details>\n\u003Cp>He goes on to say the decision "has been mine and mine alone", and that "the other person, most nearly concerned, has tried, up to the last, to persuade me to take a different course." He gives his brother one advantage he never had: "one matchless blessing, enjoyed by so many of you, and not bestowed on me, a happy home with his wife and children."\u003C/p>\n\u003Ch2 id=\"for-journalists-educators-and-museums\">For journalists, educators and museums\u003C/h2>\n\u003Cp>Link this page and credit the BBC for the recording.\u003C/p>\n\u003Cdetails class=\"blog-details\">\u003Csummary>Credit line and questions\u003C/summary>\u003Cdiv class=\"blog-details__body\">\u003Cdiv class=\"blog-table blog-table--notes\" role=\"region\" aria-label=\"Table 1: Reuse, Details\" tabindex=\"0\">\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>Reuse\u003C/th>\n\u003Cth>Details\u003C/th>\n\u003C/tr>\n\u003C/thead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>Source\u003C/td>\n\u003Ctd>\u003Ca href=\"https://www.bbc.com/historyofthebbc/anniversaries/december/edward-viii-abdication-speech/\">History of the BBC: Edward VIII Abdication speech\u003C/a>\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd>Credit line\u003C/td>\n\u003Ctd>"Recording: BBC; restored with Diffio AI (diffio.ai)"\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd>Questions\u003C/td>\n\u003Ctd>Write to me at \u003Ca href=\"mailto:nathan.harmon@diffio.ai\">nathan.harmon@diffio.ai\u003C/a>\u003C/td>\n\u003C/tr>\n\u003C/tbody>\n\u003C/table>\n\u003C/div>\u003Cp>The same kind of restoration works on recordings closer to home: a grandfather's cassette, a reel of a town meeting, an oral history taped in a noisy hall. You can hear the result on three free uploads at \u003Ca href=\"/\">diffio.ai\u003C/a>; downloads need a paid plan.\u003C/p>\u003C/div>\u003C/details>\n\u003Cp>\u003Cem>Nathan Harmon is the founder of Diffio AI, based in Colorado Springs.\u003C/em>\u003C/p>",false,[101,104,107],{"id":102,"text":103,"label":103},"how-to-compare-the-original-and-restored-broadcast","How to compare the original and restored broadcast",{"id":105,"text":106,"label":106},"the-woman-i-love","\"The woman I love\"",{"id":108,"text":109,"label":109},"for-journalists-educators-and-museums","For journalists, educators and museums",[111,117],{"kind":112,"src":38,"name":113,"caption":114,"posterSrc":114,"comparisonRole":115,"durationSeconds":116},"audio","Original (copy from the BBC's History of the BBC page), Edward VIII's abdication broadcast, December 11, 1936",null,"original",402,{"kind":112,"src":39,"name":118,"caption":114,"posterSrc":114,"comparisonRole":119,"durationSeconds":116},"Restored with Diffio, Edward VIII's abdication broadcast, December 11, 1936","restored",[121,145,176,206],{"slug":122,"path":123,"title":124,"description":125,"publishedAt":126,"updatedAt":126,"author":9,"category":10,"tags":127,"featureImage":130,"ogImage":136,"canonical":137,"seoTitle":114,"seoDescription":114,"keywords":138,"readingTimeMinutes":143,"wordCount":144,"relatedNote":114},"podcast-audio-quality-study-2026","/blog/podcast-audio-quality-study-2026/","We measured the sound of 1,438 podcasts: the charts don't sound better than the long tail","A measured study of speech quality in 3,525 podcast episodes: chart shows match long-tail shows, genres differ, and the same shows have barely changed since 2017.","2026-11-06T14:51:00Z",[128,129],"Podcasting","Research",{"src":131,"alt":132,"widthPixels":133,"heightPixels":134,"srcset":135},"/media/blog/podcast-audio-quality-study-2026/podcast-quality-by-genre.webp","Bar chart of median speech quality score by podcast genre, from Technology at 4.27 down to Kids and Family at 3.54",1430,1040,"/media/blog/podcast-audio-quality-study-2026/responsive/podcast-quality-by-genre-480w.webp 480w, /media/blog/podcast-audio-quality-study-2026/responsive/podcast-quality-by-genre-800w.webp 800w, /media/blog/podcast-audio-quality-study-2026/responsive/podcast-quality-by-genre-1200w.webp 1200w, /media/blog/podcast-audio-quality-study-2026/podcast-quality-by-genre.webp 1430w",{"src":131,"alt":132,"widthPixels":133,"heightPixels":134,"srcset":135},"https://diffio.ai/blog/podcast-audio-quality-study-2026/",[139,140,141,142],"podcast statistics 2026","podcast audio quality","podcast audio quality statistics","podcast sound quality by genre",6,1409,{"slug":146,"path":147,"title":148,"description":149,"publishedAt":150,"updatedAt":151,"author":9,"category":10,"tags":152,"featureImage":153,"ogImage":159,"canonical":164,"seoTitle":165,"seoDescription":166,"keywords":167,"readingTimeMinutes":174,"wordCount":175,"relatedNote":114},"jfk-fort-worth-1963-last-speeches-restored","/blog/jfk-fort-worth-1963-last-speeches-restored/","Hear JFK's last two speeches, Fort Worth, November 22, 1963, restored","President Kennedy's rally in the rain and his Chamber of Commerce breakfast on the morning of November 22, 1963, from the JFK Library's recordings, before and after restoration with Diffio AI.","2026-11-05T01:30:00Z","2026-11-05T07:21:06Z",[12,13],{"src":154,"alt":155,"widthPixels":156,"heightPixels":157,"srcset":158},"/media/blog/jfk-fort-worth-1963-last-speeches-restored/jfk-rally-spectrogram-v2.webp","Spectrograms of President Kennedy's Fort Worth rally recording, November 22, 1963, original and restored with Diffio AI",940,616,"/media/blog/jfk-fort-worth-1963-last-speeches-restored/responsive/jfk-rally-spectrogram-v2-480w.webp 480w, /media/blog/jfk-fort-worth-1963-last-speeches-restored/responsive/jfk-rally-spectrogram-v2-800w.webp 800w, /media/blog/jfk-fort-worth-1963-last-speeches-restored/jfk-rally-spectrogram-v2.webp 940w",{"src":160,"alt":148,"widthPixels":161,"heightPixels":162,"srcset":163},"/media/blog/jfk-fort-worth-1963-last-speeches-restored/social-card.png",1200,630,"/media/blog/jfk-fort-worth-1963-last-speeches-restored/responsive/social-card-480w.webp 480w, /media/blog/jfk-fort-worth-1963-last-speeches-restored/responsive/social-card-800w.webp 800w, /media/blog/jfk-fort-worth-1963-last-speeches-restored/social-card.png 1200w","https://diffio.ai/blog/jfk-fort-worth-1963-last-speeches-restored/","JFK's last speeches restored: Fort Worth, November 22, 1963","Hear President Kennedy's Fort Worth rally and breakfast speech from November 22, 1963, original and restored side by side, from JFK Library recordings.",[168,169,170,171,172,173,29],"JFK last speech","Kennedy Fort Worth speech","November 22, 1963","Hotel Texas rally","Fort Worth Chamber of Commerce breakfast","JFK Library White House audio",3,798,{"slug":177,"path":178,"title":179,"description":180,"publishedAt":181,"updatedAt":182,"author":9,"category":10,"tags":183,"featureImage":184,"ogImage":190,"canonical":194,"seoTitle":195,"seoDescription":196,"keywords":197,"readingTimeMinutes":204,"wordCount":205,"relatedNote":114},"pearl-harbor-1941-man-on-the-street-restored","/blog/pearl-harbor-1941-man-on-the-street-restored/","The day after Pearl Harbor, in Americans' own voices: 1941 street interviews, restored","On December 8, 1941, the Library of Congress asked fieldworkers across the US to record what ordinary people thought of the war. Twelve excerpts from those discs, original and restored.","2026-11-04T22:13:33Z","2026-11-05T06:54:57Z",[12,13],{"src":185,"alt":186,"widthPixels":187,"heightPixels":188,"srcset":189},"/media/blog/pearl-harbor-1941-man-on-the-street-restored/card.webp","Spectrogram of Rev. W. J. Faulkner's December 1941 recording in Nashville, original above and restored below with Diffio AI",1300,696,"/media/blog/pearl-harbor-1941-man-on-the-street-restored/responsive/card-480w.webp 480w, /media/blog/pearl-harbor-1941-man-on-the-street-restored/responsive/card-800w.webp 800w, /media/blog/pearl-harbor-1941-man-on-the-street-restored/card.webp 1300w",{"src":191,"alt":186,"widthPixels":17,"heightPixels":192,"srcset":193},"/media/blog/pearl-harbor-1941-man-on-the-street-restored/feature.webp",800,"/media/blog/pearl-harbor-1941-man-on-the-street-restored/responsive/feature-480w.webp 480w, /media/blog/pearl-harbor-1941-man-on-the-street-restored/responsive/feature-800w.webp 800w, /media/blog/pearl-harbor-1941-man-on-the-street-restored/responsive/feature-1200w.webp 1200w, /media/blog/pearl-harbor-1941-man-on-the-street-restored/feature.webp 1400w","https://diffio.ai/blog/pearl-harbor-1941-man-on-the-street-restored/","Pearl Harbor 1941 man-on-the-street interviews, restored","Hear Americans react to Pearl Harbor in December 1941: Library of Congress street interviews from across the US, original and restored side by side.",[198,199,200,201,202,203,29],"Pearl Harbor man-on-the-street interviews","After the Day of Infamy","December 1941 oral history","Alan Lomax field recordings","American Folklife Center","Dear Mr. President 1942",8,1775,{"slug":207,"path":208,"title":209,"description":210,"publishedAt":211,"updatedAt":182,"author":9,"category":212,"tags":213,"featureImage":215,"ogImage":221,"canonical":224,"seoTitle":225,"seoDescription":226,"keywords":227,"readingTimeMinutes":235,"wordCount":236,"relatedNote":114},"save-a-loved-ones-voice-recording","/blog/save-a-loved-ones-voice-recording/","How to save a loved one's voice from a voicemail or old family video, and clean it up","A practical guide to saving a loved one's voice from a phone voicemail, a cassette or an old family video, keeping the original safe, and making the voice easier to hear.","2026-11-04T09:00:00Z","guides",[12,214],"Family history",{"src":216,"alt":217,"widthPixels":218,"heightPixels":219,"srcset":220},"/media/blog/save-a-loved-ones-voice-recording/lead-diagram.webp","Diagram of four steps: save the recording to a file, keep the original in two places, clean up a copy and compare it by ear, share the clean copy with family.",1440,810,"/media/blog/save-a-loved-ones-voice-recording/responsive/lead-diagram-480w.webp 480w, /media/blog/save-a-loved-ones-voice-recording/responsive/lead-diagram-800w.webp 800w, /media/blog/save-a-loved-ones-voice-recording/responsive/lead-diagram-1200w.webp 1200w, /media/blog/save-a-loved-ones-voice-recording/lead-diagram.webp 1440w",{"src":222,"alt":209,"widthPixels":161,"heightPixels":162,"srcset":223},"/media/blog/save-a-loved-ones-voice-recording/social-card.png","/media/blog/save-a-loved-ones-voice-recording/responsive/social-card-480w.webp 480w, /media/blog/save-a-loved-ones-voice-recording/responsive/social-card-800w.webp 800w, /media/blog/save-a-loved-ones-voice-recording/social-card.png 1200w","https://diffio.ai/blog/save-a-loved-ones-voice-recording/","How to save a loved one's voice from a voicemail or video","How to save a loved one's voice from a voicemail, cassette or old family video, keep the original safe, and make the voice easier to hear.",[228,229,230,231,232,233,234],"save a voicemail","save voicemail from iPhone","export voicemail on Android","digitize cassette tapes","transfer VHS family videos","back up family recordings","clean up old voice recordings",4,1028,[],1794173866910]