{"id":464,"date":"2008-10-29T08:21:36","date_gmt":"2008-10-29T15:21:36","guid":{"rendered":"http:\/\/mightyohm.com\/blog\/?p=464"},"modified":"2022-12-28T11:55:46","modified_gmt":"2022-12-28T19:55:46","slug":"inside-the-syba-sd-cm-uaud-usb-stereo-audio-adapter","status":"publish","type":"post","link":"https:\/\/mightyohm.com\/blog\/2008\/10\/inside-the-syba-sd-cm-uaud-usb-stereo-audio-adapter\/","title":{"rendered":"Inside the SYBA SD-CM-UAUD USB Stereo Audio Adapter"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/2979795890_b29ce48e3e.jpg\" alt=\"SYBA SD-CM-UAUD USB Stereo Audio Adapter\" width=\"500\" height=\"375\" \/><\/p>\n<p>I am using this tiny USB-audio adapter as part of my <a href=\"http:\/\/mightyohm.com\/blog\/2008\/10\/building-a-wifi-radio-part-1-introduction\/\">Wifi Radio project<\/a>.\u00a0 It&#8217;s a ridiculously cheap <a href=\"http:\/\/www.jdoqocy.com\/click-3238164-10440897?url=http%3A%2F%2Fwww.newegg.com%2FProduct%2FProduct.aspx%3FItem%3DN82E16812186035%26nm_mc%3DAFC-C8Junction%26cm_mmc%3DAFC-C8Junction-_-Adapters%2Band%2Bgender%2Bchangers-_-Syba-_-12186035&#038;cjsku=N82E16812186035\" target=\"_top\" rel=\"noopener\">$8 at Newegg.com<\/a><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.awltovhc.com\/image-3238164-10440897\" width=\"1\" height=\"1\" border=\"0\"\/> and contains a <a href=\"http:\/\/www.cmedia.com.tw\/?q=en\/USB\/cm119\">C-Media CM119 chip<\/a> targeted at <a href=\"http:\/\/en.wikipedia.org\/wiki\/Voip\">VoIP<\/a> applications.\u00a0 I have no idea why they chose to use a VoIP chip for this application because it contains a lot of bells and whistles that are not being used in this device, such as support for a matrix keypad!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/2979796540_a07d6c17aa.jpg\" alt=\"SYBA SD-CM-UAUD USB Stereo Audio Adapter\" width=\"500\" height=\"375\" \/><\/p>\n<p>Unfortunately, I have not been able to locate a datasheet for the CM119 so for now I will be using it only for it&#8217;s intended application &#8211; adding an audio output to a wireless router with USB.\u00a0 Come to think of it, that is probably not it&#8217;s intended application, but it&#8217;s close enough.\u00a0 Hooray for <a href=\"http:\/\/www.openwrt.org\">embedded Linux<\/a>!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/mightyohm.com\/files\/flickr\/2978939643_056d1d8d3f.jpg\" alt=\"SYBA SD-CM-UAUD USB Stereo Audio Adapter\" width=\"500\" height=\"375\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I am using this tiny USB-audio adapter as part of my Wifi Radio project.\u00a0 It&#8217;s a ridiculously cheap $8 at Newegg.com and contains a C-Media CM119 chip targeted at VoIP applications.\u00a0 I have no idea why they chose to use a VoIP chip for this application because it contains a lot of bells and whistles &hellip; <a href=\"https:\/\/mightyohm.com\/blog\/2008\/10\/inside-the-syba-sd-cm-uaud-usb-stereo-audio-adapter\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Inside the SYBA SD-CM-UAUD USB Stereo Audio Adapter<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5,443],"tags":[80,72,66,32,71,81,162],"class_list":["post-464","post","type-post","status-publish","format-standard","hentry","category-electronics","category-projects-2","tag-audio","tag-embedded","tag-linux","tag-pcb","tag-streaming-radio","tag-usb","tag-wifiradio"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pioCd-7u","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":367,"url":"https:\/\/mightyohm.com\/blog\/2008\/10\/building-a-wifi-radio-part-2-choosing-an-embedded-platform\/","url_meta":{"origin":464,"position":0},"title":"Building a Wifi Radio &#8211; Part 2, Choosing an Embedded Platform","author":"Jeff","date":"October 17, 2008","format":false,"excerpt":"This is the second part of an ongoing series about building a low cost, open source streaming internet radio.\u00a0 if you haven't already, check out part one for some background about the project. Onward... In part one, I discussed the merits of streaming internet radio and the motivations for my\u2026","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2008\/10\/hammer_01-large-150x150.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":598,"url":"https:\/\/mightyohm.com\/blog\/2008\/11\/building-a-wifi-radio-part-5-lets-make-some-noise\/","url_meta":{"origin":464,"position":1},"title":"Building a Wifi Radio &#8211; Part 5, Let&#8217;s Make Some Noise!","author":"Jeff","date":"November 8, 2008","format":false,"excerpt":"This is the fifth part of an ongoing series at mightyOhm about building a low cost, open source streaming internet radio.\u00a0 If you haven't already, check out the previous parts below for some background about the project. Building a Wifi Radio - Part 1, Introduction Building a Wifi Radio -\u2026","rel":"","context":"In &quot;Projects&quot;","block_context":{"text":"Projects","link":"https:\/\/mightyohm.com\/blog\/category\/projects-2\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1029,"url":"https:\/\/mightyohm.com\/blog\/2009\/01\/new-stereo-zoom-microscope\/","url_meta":{"origin":464,"position":2},"title":"New Stereo Zoom Microscope for my Electronics Lab!","author":"Jeff","date":"January 21, 2009","format":false,"excerpt":"Soldering surface mount (SMT) components is tricky, particularly if you can't see what you are doing due to the small scale of most SMT parts.\u00a0 Since I started working with SMTs at home I have suffered with a 10x magnifier ring-light.\u00a0 It works, but it's tricky to use, mainly because\u2026","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"Stereo Zoom Microscope","src":"https:\/\/i0.wp.com\/mightyohm.com\/files\/flickr\/3214065384_226b724e8a.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1962,"url":"https:\/\/mightyohm.com\/blog\/2009\/06\/wifi-radio-cost-breakdown\/","url_meta":{"origin":464,"position":3},"title":"Wifi Radio Cost Breakdown","author":"Jeff","date":"June 10, 2009","format":false,"excerpt":"Many people have asked me for a cost breakdown of my Wifi Radio project.\u00a0 Well, here it is! I added a link to possible sources for as many parts as I could.\u00a0 However, there were a few things I scrounged from local surplus electronics stores and couldn't easily find a\u2026","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"","src":"http:\/\/www.ftjcfx.com\/image-3238164-10440897","width":350,"height":200},"classes":[]},{"id":1887,"url":"https:\/\/mightyohm.com\/blog\/2009\/05\/building-a-wifi-radio-part-10-building-the-box\/","url_meta":{"origin":464,"position":4},"title":"Building a Wifi Radio &#8211; Part 10, Building the Box","author":"Jeff","date":"May 29, 2009","format":false,"excerpt":"This is the tenth and final part of a series about building a low cost, open source streaming internet radio based on the ASUS WL-520gU Wireless Router.\u00a0 If you haven\u2019t already, check out the previous parts (see the links below) for some background about the project. Wow, we've come a\u2026","rel":"","context":"In &quot;Electronics&quot;","block_context":{"text":"Electronics","link":"https:\/\/mightyohm.com\/blog\/category\/electronics\/"},"img":{"alt_text":"","src":"http:\/\/www.ftjcfx.com\/image-3238164-10440897","width":350,"height":200},"classes":[]},{"id":1639,"url":"https:\/\/mightyohm.com\/blog\/2009\/04\/esc-beagle-board-class-wrapup\/","url_meta":{"origin":464,"position":5},"title":"ESC Beagle Board Class Wrapup","author":"Jeff","date":"April 2, 2009","format":false,"excerpt":"This week I attended the Build Your Own Embedded System (BYOES) classes at ESC 2009. The BYOES classes were primarily focused on the Beagle Board, an ARM Cortex-A8 based single board computer developed by engineers at Texas Instruments. When I picked up my conference registration on-site, I also received a\u2026","rel":"","context":"In &quot;Events&quot;","block_context":{"text":"Events","link":"https:\/\/mightyohm.com\/blog\/category\/events\/"},"img":{"alt_text":"Rev C2 Beagle Board","src":"https:\/\/i0.wp.com\/mightyohm.com\/files\/flickr\/3403824732_a60042ed71.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts\/464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/comments?post=464"}],"version-history":[{"count":14,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts\/464\/revisions"}],"predecessor-version":[{"id":15803,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/posts\/464\/revisions\/15803"}],"wp:attachment":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/media?parent=464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/categories?post=464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/tags?post=464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}