{"id":3119,"date":"2019-05-28T15:35:01","date_gmt":"2019-05-28T13:35:01","guid":{"rendered":"https:\/\/demdlx704as001.ad.harman.com\/?p=3119"},"modified":"2019-06-05T17:21:45","modified_gmt":"2019-06-05T15:21:45","slug":"6-harman-audio-library-service","status":"publish","type":"post","link":"https:\/\/audioworx.transfunnel.co\/old\/?p=3119","title":{"rendered":"Harman Audio Library Service"},"content":{"rendered":"<p class=\"text\">The HAL service is a wrapper around the xAFVirtualAmp library. It\u2019s been created mainly because GTT is a 64-bit application, while xAFVirtualAmp is a 32-bit library, hence it is not possible to launch both binaries in the address\u00a0space of the same process. Internally, the HAL service is implemented as a WCF service hosted in a Windows service. It communicates with GTT via named pipes. HAL exposes the following xAF API to GTT:<\/p>\n<ul>\n<li class=\"text\"><span class=\"emph\">getAudioToolboxBuffer<\/span> \u2013 returns the AudioToolbox.xml file as a string. AudioToolbox.xml contains definitions of audio blocks known to a particular version of the xAFVirtualAmp library.<\/li>\n<li class=\"text\"><span class=\"emph\">getIoObjectInformation<\/span> \u2013 the method accepts audio block configuration parameters and returns the IO layout of the block (# audio ins, # audio outs, # control ins and # of control outs).<\/li>\n<li class=\"text\"><span class=\"emph\">getTuningInformationBuffer<\/span> \u2013 returns a device description snippet for an audio block. Iterative invocation of that method for each audio block across all framework instances produces a device description file.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p class=\"text\"><span class=\"emph\">The HAL service should be started by default after a successful GTT installation.<\/span><\/p>\n<p class=\"text\">If that\u2019s not the case or the service has turned off for one reason or another (the application communicates such situations via error messages):<\/p>\n<p class=\"actions\" style=\"margin-top: 0px; text-indent: 0.2cm;\">Go to the GTT Service Monitor.<\/p>\n<p class=\"actions\" style=\"margin-top: 0px; text-indent: 0.2cm;\">Choose <span class=\"emph\"><em>Harman Audio Library<\/em><\/span>.<\/p>\n<p class=\"actions\" style=\"margin-top: 0px; text-indent: 0.2cm;\">Press the <em>Refresh <\/em>button.<\/p>\n<figure id=\"attachment_3120\" aria-describedby=\"caption-attachment-3120\" style=\"width: 723px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3120\" src=\"https:\/\/audioworx.transfunnel.co\/old\/wp-content\/uploads\/2019\/05\/SFD-32.png\" alt=\"Harman Audio Library\" width=\"723\" height=\"291\" \/><figcaption id=\"caption-attachment-3120\" class=\"wp-caption-text\">Harman Audio Library<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The HAL service is a wrapper around the xAFVirtualAmp library. It\u2019s been created mainly because GTT is a 64-bit application, while xAFVirtualAmp is a 32-bit library, hence it is not possible to launch both binaries in the address\u00a0space of the same process. Internally, the HAL service is implemented as a WCF service hosted in a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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":"off","ocean_gallery_id":[]},"categories":[3,12],"tags":[],"coauthors":[165],"_links":{"self":[{"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/posts\/3119"}],"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=3119"}],"version-history":[{"count":5,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/posts\/3119\/revisions"}],"predecessor-version":[{"id":3300,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=\/wp\/v2\/posts\/3119\/revisions\/3300"}],"wp:attachment":[{"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3119"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/audioworx.transfunnel.co\/old\/index.php?rest_route=%2Fwp%2Fv2%2Fcoauthors&post=3119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}