{"id":2556,"date":"2012-05-02T11:00:49","date_gmt":"2012-05-02T18:00:49","guid":{"rendered":"http:\/\/rustybolt.info\/wordpress\/?p=2556"},"modified":"2012-05-19T10:00:09","modified_gmt":"2012-05-19T17:00:09","slug":"2012-05-02","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=2556","title":{"rendered":"2012-05-02 Audio Compressor Limiter"},"content":{"rendered":"<p><a href=\"http:\/\/rustybolt.info\/wordpress\/?attachment_id=2702\" rel=\"attachment wp-att-2702\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-2702\" title=\"AudioLimiter-Compressor\" src=\"http:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/05\/AudioLimiter-Compressor-300x231.gif\" alt=\"\" width=\"300\" height=\"231\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/05\/AudioLimiter-Compressor-300x231.gif 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/05\/AudioLimiter-Compressor.gif 696w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>I found this circuit that uses an opamp with a pair of diodes in antiparallel in the feedback loop to reduce the opamp gain when the signal rises to a certain level.\u00a0 I would think that this is more of a limiter than a compressor, since it cuts in at 0.6V and stays that way as long as the signal level is above 0.6V.\u00a0 The author claims that it transitions smoothly and gives good results.<\/p>\n<p>But my main interest is not so much about the performance, but how I can get this same principle to work on a simple 1 transistor circuit.\u00a0 I came up with the schematic ( see attached) that might work, however I haven&#8217;t tried it yet.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I found this circuit that uses an opamp with a pair of diodes in antiparallel in the feedback loop to reduce the opamp gain when the signal rises to a certain level.\u00a0 I would think that this is more of a limiter than a compressor, since it cuts in at 0.6V and stays that way<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=2556\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2556","post","type-post","status-publish","format-standard","hentry","category-audio"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2556"}],"version-history":[{"count":11,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2556\/revisions"}],"predecessor-version":[{"id":2833,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2556\/revisions\/2833"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}