DIY Audio & Video Calculators
diyaudioandvideo.comSpeaker enclosure and crossover calculation tools
Speaker enclosure and crossover calculation tools
AI note taker that turns speech into transcripts, notes, and summaries.
Capture notes and find them later with tags and Smart Folders.
PDF presentation with notes and media on two screens
Daily and project notes connected to tasks, Apple Calendar, and Reminders.
Write and annotate handwritten notes on Android with page layouts, linked notes, and PDF tools.
Online text to speech with 130 languages, 30+ voices and 200+ audio tags.
Audio infrastructure to record, transcribe and enrich audio through a single API.
An AI notebook that checks facts, links related ideas, and helps keep notes current.
Language phrases, native-speaker audio and vocabulary tools.
Real-time speech enhancement SDK that helps Voice AI work reliably in noisy, real-world audio.
An outliner that turns notes into searchable, reusable knowledge with tags and saved views.
Organize notes, lists, projects, and ideas in tagged bundles with offline editing and sync.
A multi-format notebook for handwriting, PDFs, voice notes, and study documents.
Capture daily notes in local Markdown files and connect ideas with backlinks.
A fast local-first notes app with Markdown, offline writing, semantic search, and optional sync.
A browser-installable notes app that stores Markdown files in the user’s Google Drive or Dropbox.
A local-first Markdown notebook with daily notes, history, and optional private sync.
Keep notes, scribbles, images, videos, and web clips together on a visual canvas for Mac.
AI note taker that records and transcribes meetings
Present PDF slides with a separate speaker console
A local Markdown notebook that turns notes into links, tasks, and searchable topics.
A desktop workspace for linked Markdown notes, PDFs, and research in local workspaces.
Connect project notes to dates so plans and decisions stay near the relevant day.