--- title: libavfilter: Whisper audio filter · 13ce36fef9 | daily.dev description: FFmpeg has added a new Whisper audio filter that enables automatic speech recognition using OpenAI's Whisper model. The filter requires whisper.cpp library as... canonical: https://daily.dev/posts/libavfilter-whisper-audio-filter-13ce36fef9-eyjtnxdqf twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: libavfilter: Whisper audio filter · 13ce36fef9 | daily.dev og:description: FFmpeg has added a new Whisper audio filter that enables automatic speech recognition using OpenAI's Whisper model. The filter requires whisper.cpp library as... og:url: https://daily.dev/posts/libavfilter-whisper-audio-filter-13ce36fef9-eyjtnxdqf og:image: https://api.daily.dev/og/posts/eyjTNxDQF.png og:image:alt: libavfilter: Whisper audio filter · 13ce36fef9 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # libavfilter: Whisper audio filter · 13ce36fef9 **[Hacker News](https://daily.dev/sources/hn)** · 12 min read · 0 upvotes · 0 comments ## Summary FFmpeg has added a new Whisper audio filter that enables automatic speech recognition using OpenAI's Whisper model. The filter requires whisper.cpp library as a prerequisite and supports various configuration options including model selection, language detection, GPU acceleration, queue management, and Voice Activity Detection (VAD). It can output transcriptions in multiple formats (text, SRT, JSON) to files or HTTP endpoints, with examples showing real-time microphone transcription and subtitle generation capabilities. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#audio-processing](https://daily.dev/tags/audio-processing), [#backend](https://daily.dev/tags/backend), [#c](https://daily.dev/tags/c), [#speech-recognition](https://daily.dev/tags/speech-recognition), [#whisper](https://daily.dev/tags/whisper) [View this post on daily.dev](https://daily.dev/posts/libavfilter-whisper-audio-filter-13ce36fef9-eyjtnxdqf) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"libavfilter: Whisper audio filter · 13ce36fef9","url":"https://daily.dev/posts/libavfilter-whisper-audio-filter-13ce36fef9-eyjtnxdqf","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/libavfilter-whisper-audio-filter-13ce36fef9-eyjtnxdqf"},"datePublished":"2025-08-13T11:25:03.404Z","dateModified":"2026-10-15T02:24:45.882Z","description":"FFmpeg has added a new Whisper audio filter that enables automatic speech recognition using OpenAI's Whisper model. The filter requires whisper.cpp library as...","image":"https://code.ffmpeg.org/FFmpeg/FFmpeg/-/summary-card","thumbnailUrl":"https://code.ffmpeg.org/FFmpeg/FFmpeg/-/summary-card","isAccessibleForFree":true,"articleSection":"Hacker News","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hacker News","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/hn","url":"https://daily.dev/sources/hn"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/libavfilter-whisper-audio-filter-13ce36fef9-eyjtnxdqf","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"audio-processing,backend,c,speech-recognition,whisper","timeRequired":"PT12M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hacker News","item":"https://daily.dev/sources/hn"},{"@type":"ListItem","position":3,"name":"libavfilter: Whisper audio filter · 13ce36fef9"}]} ```