{"id":103,"date":"2016-08-04T16:47:00","date_gmt":"2016-08-04T16:47:00","guid":{"rendered":"http:\/\/dial-a-grue.com\/gory\/?p=103"},"modified":"2016-08-06T17:23:13","modified_gmt":"2016-08-06T17:23:13","slug":"full-handset-functional","status":"publish","type":"post","link":"https:\/\/dial-a-grue.com\/gory\/?p=103","title":{"rendered":"Full handset functional"},"content":{"rendered":"<div id=\"attachment_105\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/dial-a-grue.com\/gory\/?attachment_id=105\" rel=\"attachment wp-att-105\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-105\" class=\"size-medium wp-image-105\" src=\"http:\/\/dial-a-grue.com\/gory\/wp-content\/uploads\/2016\/08\/image-1-300x225.jpeg\" alt=\"Handset wired up\" width=\"300\" height=\"225\" srcset=\"https:\/\/dial-a-grue.com\/gory\/wp-content\/uploads\/2016\/08\/image-1-300x225.jpeg 300w, https:\/\/dial-a-grue.com\/gory\/wp-content\/uploads\/2016\/08\/image-1-768x576.jpeg 768w, https:\/\/dial-a-grue.com\/gory\/wp-content\/uploads\/2016\/08\/image-1-1024x768.jpeg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-105\" class=\"wp-caption-text\">Handset wired up<\/p><\/div>\n<p>So it turns out that the <a href=\"https:\/\/www.radioshack.com\/collections\/maker-parts-kits\/products\/radioshack-audio-output-transformer?variant=5717393413\">transformer<\/a> wasn&#8217;t necessary. \u00c2\u00a0I broke out a pocket oscilloscope, and it boosted the voltage from 1.5V pp, to 7.5V pp, and the resulting volume in the earpiece was VERY LOUD, so I tried without the transformer, and it worked perfectly, and at a much more reasonable volume with the alsamixer controls on the <a href=\"https:\/\/www.getchip.com\/pages\/chip\">computer<\/a>\u00c2\u00a0set to mid-range.<\/p>\n<p>Since that worked so well, I decided to try hooking the phone&#8217;s mouthpiece\/mic straight up to the mic jack, and that worked like a charm as well. \u00c2\u00a0I was able to play the game with only a few problems with the STT engine due to slightly noisy input. I think I can tune that away using alsamixer again.<\/p>\n<p>Lesson learned. \u00c2\u00a0A standard, cheap sound card\/dongle is capable of interfacing with an old phone directly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>So it turns out that the transformer wasn&#8217;t necessary. \u00c2\u00a0I broke out a pocket oscilloscope, and it boosted the voltage from 1.5V pp, to 7.5V pp, and the resulting volume in the earpiece was VERY LOUD, so I tried without the transformer, and it worked perfectly, and at a much more reasonable volume with the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-103","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=\/wp\/v2\/posts\/103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=103"}],"version-history":[{"count":0,"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=\/wp\/v2\/posts\/103\/revisions"}],"wp:attachment":[{"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dial-a-grue.com\/gory\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}