# Episode 465 - The One Number That Explains Your Vocal Struggles Page: https://stenobird.com/podcast/the-intelligent-vocalist-432513/episode-465-the-one-number-that-explains-your-vocal-struggles Text version: https://stenobird.com/podcast/the-intelligent-vocalist-432513/episode-465-the-one-number-that-explains-your-vocal-struggles.md Podcast: [The Intelligent Vocalist](https://stenobird.com/podcast/the-intelligent-vocalist-432513) Published: 2026-03-03T15:00:00+00:00 Episode link: https://intelligentvocalist.libsyn.com/episode-465-the-one-number-that-explains-your-vocal-struggles Audio file: https://traffic.libsyn.com/secure/intelligentvocalist/Episode_465_-_The_One_Number_That_Explains_Your_Vocal_Struggles_MP3.mp3?dest-id=315634 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/the-intelligent-vocalist-432513/episodes/episode-465-the-one-number-that-explains-your-vocal-struggles Duration seconds: 1473 ## Resource In this episode of The Intelligent Vocalist , John talks about phonation threshold pressure, or PTP, and explains why it may be the hidden factor behind days when your voice feels heavy, effortful, or unpredictable. He breaks down what raises PTP, especially in the aging voice, and shares practical tools like hydration, nebulizing, SOVT exercises, and smart practice habits to bring it back down. When you understand this one number, singing starts to make a lot more sense, and you gain back a sense of control. Episode highlights: High PTP equals harder singing, low PTP equals easier singing Dryness, stiffness, and atrophy are major drivers of vocal effort as we age Consistent daily exercise helps manage long term stiffness and weakness To learn more about John Henny, his best-selling books, on-line courses, Voiceschool.com featuring his Teaching Team of Experts, Speaker Training and the Contemporary Voice Teacher Academy, visit: JohnHenny.com ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/the-intelligent-vocalist-432513/episodes/episode-465-the-one-number-that-explains-your-vocal-struggles/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/the-intelligent-vocalist-432513/episode-465-the-one-number-that-explains-your-vocal-struggles.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.