In March of this year I must have not checked ChessBase.com as I usually do each morning. I would have remembered seeing this film with full normal sound of J.R.Capablanca speaking English.
Capa discusses the two players’ chances in the upcoming WCChamp title match between M.Euwe and defending champ A.Alekhine.
— 2013/March/13
http://en.chessbase.com/home/TabId/211/PostId/4007984
---- Or this more direct Http URL to a .nl website…
http://www.geschiedenis24.nl/speler.program.7099385.html
And the .nl website has additional chess videos from decades ago. Until today on this .nl website I had never before heard Botvinnik’s voice in any videos of him.