{"id":15047922,"url":"https://github.com/windowsnt/eq","last_synced_at":"2025-07-26T05:19:49.149Z","repository":{"id":80700398,"uuid":"228014077","full_name":"WindowsNT/eq","owner":"WindowsNT","description":"The Equalizer Design, Win32 + Direct2D","archived":false,"fork":false,"pushed_at":"2020-07-28T09:06:42.000Z","size":3465,"stargazers_count":20,"open_issues_count":0,"forks_count":4,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-04-10T01:06:37.265Z","etag":null,"topics":["cplusplus","cplusplus-11","direct2d","dsp","equalizer","mp3","sound","wave","win32"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/WindowsNT.png","metadata":{"files":{"readme":"Readme.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2019-12-14T11:48:17.000Z","updated_at":"2024-10-17T09:44:32.000Z","dependencies_parsed_at":null,"dependency_job_id":"ba3667c9-a48b-4a51-b59d-4bf7dc712637","html_url":"https://github.com/WindowsNT/eq","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/WindowsNT/eq","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WindowsNT%2Feq","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WindowsNT%2Feq/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WindowsNT%2Feq/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WindowsNT%2Feq/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/WindowsNT","download_url":"https://codeload.github.com/WindowsNT/eq/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WindowsNT%2Feq/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":267122722,"owners_count":24039447,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-07-26T02:00:08.937Z","response_time":62,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["cplusplus","cplusplus-11","direct2d","dsp","equalizer","mp3","sound","wave","win32"],"created_at":"2024-09-24T21:06:06.383Z","updated_at":"2025-07-26T05:19:49.141Z","avatar_url":"https://github.com/WindowsNT.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# An equalizer design for Windows with Direct2D\n\nCodeProject article: https://www.codeproject.com/Articles/5253995/The-Equalizer-Design-Graphic-and-Parametric-Win32\nHave fun with it, I use it with my Turbo Play (https://www.turboirc.com/tp).\n\n![PEQ](https://www.codeproject.com/KB/miscctrl/5253995/eq.jpg)\n\n![GEQ](https://www.codeproject.com/KB/miscctrl/5253995/geq.jpg)\n\n\nUses:\n\n* My XML for serialization: https://github.com/WindowsNT/xml\n* My syncs for playback: https://github.com/WindowsNT/mt\n* DSPFilters for Low/High cut of the parametric equalizer: https://github.com/vinniefalco/DSPFilters\n* SNDFilter for biquad peaking filters in parametric/graphic equalizer: https://github.com/voidqk/sndfilter\n\nIncludes a VS 2019 solution to test with a simple MP3 player. Run the app, press Space and load an MP3.\nUse EQ::PARAMETRICEQ for parametric equalizer and EQ::GRAPHICEQ for graphic.\n\nFeatures:\n\n* Graphic equalizer for 10,20,31 bands with some presets, using Peaking biquad filters.\n* Parametric equalizer with a low/high cut or low/high shelf filter (Choose from Butterworth, Chebyshev I,II, Elliptic) and unlimited peaking filters with Q.\n* Draw the response with Direct2D\n* Keyboard shortcuts for activation, order, ripple \n* Mouse movement for dB, frequency, and wheel for Q\n\n\n```C++\nclass EQ\n{\n\tvirtual void Paint(ID2D1Factory*fact, ID2D1RenderTarget* r, RECT rc) = 0;\n\tvirtual void LeftDown(WPARAM ww, LPARAM ll) = 0;\n\tvirtual void RightDown(WPARAM ww, LPARAM ll) = 0;\n\tvirtual void LeftUp(WPARAM ww, LPARAM ll) = 0;\n\tvirtual void MouseMove(WPARAM ww, LPARAM ll) = 0;\n\tvirtual void MouseWheel(WPARAM ww, LPARAM ll) = 0;\n\tvirtual void KeyDown(WPARAM ww, LPARAM ll) = 0;\n\tvirtual void LeftDoubleClick(WPARAM ww,LPARAM ll) = 0;\n\tvirtual void Ser(XML3::XMLElement\u0026 e) = 0;\n\tvirtual void Unser(XML3::XMLElement\u0026 e) = 0;\n\n\tvirtual void Prepare(int SR) = 0;\n\tvirtual void Run(int SR, float* in, int ns, float* out) = 0; // Single channel\n\tvirtual bool Run2(int SR, int nch,float** in, int ns, float** out) = 0; // Multiple channel (ToDo)\n\tvirtual void Build(int SR) = 0; // Create the filters\n};\n\n// Callbacks\nclass EQCALLBACK\n{\npublic:\n\n\tvirtual void RedrawRequest(EQ* pr) = 0; // Called when the equalizer needs to redraw\n\tvirtual void Dirty(EQ* e,bool) = 0; // Called when the equalizer has changed\n};\n\n\n```\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwindowsnt%2Feq","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fwindowsnt%2Feq","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwindowsnt%2Feq/lists"}