{"id":4941,"date":"2019-06-18T10:22:19","date_gmt":"2019-06-18T08:22:19","guid":{"rendered":"https:\/\/demdlx704as001.ad.harman.com\/index.php\/section\/fd-stab-frequency-domain-stability\/"},"modified":"2024-06-05T16:13:07","modified_gmt":"2024-06-05T14:13:07","slug":"fd-stab-frequency-domain-stability","status":"publish","type":"post","link":"https:\/\/audioworx.transfunnel.co\/old\/?p=4941","title":{"rendered":"FD Stab \u2013 Frequency Domain Stability"},"content":{"rendered":"<p>FD Stab ( Frequency Domain Stability ) contains two tabs.<\/p>\n<ul>\n<li>Setting tab<\/li>\n<li>Input tab<\/li>\n<\/ul>\n<p class=\"heading\"><strong>Setting Tab<\/strong><\/p>\n<p>The algorithm is able to register that the noise levels at the microphones are above the normal thresholds, which then interprets the noise source to be outside of the vehicle.<\/p>\n<p>FD Stab page can be used for settings and inputs. Settings tab enables to set:<\/p>\n<ul>\n<li>Mute hold (time in seconds)<\/li>\n<li>Unmute hold (time in seconds)<\/li>\n<li>Unmute threshold (number of retries)<\/li>\n<li>Stab violation threshold<\/li>\n<li>Speaker Stab Violation Thresh (number of asymmetrical counters)<\/li>\n<li>Initial wait for exponential backoff attempts (time in seconds)<\/li>\n<li>Number of exponential backoff attempts<\/li>\n<li>Maximum wait time for exp backoff (time in seconds)<\/li>\n<li>Speaker output suppression (0-1)<\/li>\n<li>Microphone threshold factor (0-1)<\/li>\n<li>Reduction factor for retries (max value 0.001)<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-8713 \" src=\"https:\/\/audioworx.transfunnel.co\/old\/wp-content\/uploads\/2019\/06\/FD-Stab-Settings.png\" alt=\"\" width=\"1244\" height=\"474\" \/><\/p>\n<p>&nbsp;<\/p>\n<p class=\"heading\"><strong>Input Tab<\/strong><\/p>\n<p>The EOC FD Stab should work with 1 to 8 orders. Elements depended from orders should be created dynamically based on numbers of order. Input table contains data with values from -120 to 6 dB (Noise Reduction). The chart presents dependence of Noise Reduction to frequency (f\/Hz). The number of input table columns depends on number of microphones. Setting the number of orders and microphones is possible from EOC properties tab in SFD.<\/p>\n<ul>\n<li><strong>Load: <\/strong>Load data from DSP<\/li>\n<li><strong>Send: <\/strong>Send data to DSP<\/li>\n<li><strong>Radio button list with oscillators<\/strong> gives a possibility to switch between data series which matches with each oscillator.<\/li>\n<li><strong>Import from Signals<\/strong> &#8211; Current order only is responsible for importing MicABS data for one oscillator only (visible only if peak extension is available).<\/li>\n<li><strong>Import from Signals<\/strong> &#8211; All orders is responsible for importing MicABS data for each oscillator (visible only if peak extension is available).<\/li>\n<\/ul>\n<p class=\"note\">How to use grid and graph was described in <em>5.10.21.1<\/em><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-8714 \" src=\"https:\/\/audioworx.transfunnel.co\/old\/wp-content\/uploads\/2019\/06\/FD-Stab-Input.png\" alt=\"\" width=\"936\" height=\"357\" \/><\/p>\n<p class=\"note\">Make sure the number of microphones in FD Stab is equal to m_TuneMicNum. If Vm Config is disable then m_TuneMicNum is equal to m_NumElement(# of Mic:) and if Vm Config is enable then m_TuneMicNum is equal to Num of Virtual Mics(from Additional Parameter section).<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-28708\" src=\"https:\/\/audioworx.transfunnel.co\/old\/wp-content\/uploads\/2019\/06\/FDstab.png\" alt=\"\" width=\"928\" height=\"610\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FD Stab ( Frequency Domain Stability ) contains two tabs. Setting tab Input tab Setting Tab The algorithm is able to register that the noise levels at the microphones are above the normal thresholds, which then interprets the noise source to be outside of the vehicle. FD Stab page can be used for settings and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[]},"categories":[1],"tags":[],"coauthors":[165],"_links":{"self":[{"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/posts\/4941"}],"collection":[{"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4941"}],"version-history":[{"count":6,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/posts\/4941\/revisions"}],"predecessor-version":[{"id":28760,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/posts\/4941\/revisions\/28760"}],"wp:attachment":[{"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4941"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Fcoauthors&post=4941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}