EXAMINE THIS REPORT ON MAG TAPE

[a] Ampex engineers, who incorporated Ray Dolby on their team at some time, went on to acquire the first sensible videotape recorders within the early fifties to pre-record Crosby's Tv set displays.中川靖造「ドキュメント 日本の磁気記録開発 ――オーディオとビデオに賭けた男たち」全国書誌番号:This technique