{"podcast":{"title":"BirdNote Daily","slug":"birdnote-daily-756399","podcast_index_feed_id":756399,"rss_url":"https://feeds.simplecast.com/OB7SrYSf","website_url":"https://www.birdnote.org/","image_url":"https://image.simplecastcdn.com/images/f6fd537e-476f-4add-bb9b-27935c04deb7/238fcae8-fb69-485c-9958-28ae624cf323/3000x3000/birdnote-art-compressed.jpg?aid=rss_feed","author":"BirdNote","episode_count":1095,"summary":"Escape the daily grind and immerse yourself in the natural world. Rich in imagery, sound, and information, BirdNote inspires you to notice the world around you.","last_synced_at":"2026-07-19T06:21:47.408835+00:00","page_url":"https://stenobird.com/podcast/birdnote-daily-756399"},"episode":{"title":"An App That Helps You Hear High-Pitched Bird Songs","slug":"an-app-that-helps-you-hear-high-pitched-bird-songs","published_at":"2026-04-30T07:00:00+00:00","page_url":"https://stenobird.com/podcast/birdnote-daily-756399/an-app-that-helps-you-hear-high-pitched-bird-songs","show_page_url":"https://stenobird.com/podcast/birdnote-daily-756399","url":"https://www.birdnote.org/podcasts/birdnote-daily/app-helps-you-hear-high-pitched-bird-songs","audio_url":"https://injector.simplecastaudio.com/97c254b3-f6b6-4a81-bd04-c3a63df25005/episodes/4823a843-2998-46ce-9b0a-cd9605ca358a/audio/128/default.mp3?aid=rss_feed&awCollectionId=97c254b3-f6b6-4a81-bd04-c3a63df25005&awEpisodeId=4823a843-2998-46ce-9b0a-cd9605ca358a&feed=OB7SrYSf","summary":"Aging and hearing loss can prevent birders from detecting high-frequency songs. This episode explores how pitch-shifting technology restores the ability to identify elusive species.","meta_description":"Discover how pitch-shifting technology helps birders with high-frequency hearing loss identify high-pitched bird songs.","key_points":["Main idea: High-frequency hearing loss significantly reduces the number of detectable bird species","Technical workaround: Slowing down audio playback lowers the pitch, making high-frequency songs audible","Practical takeaway: Digital tools can simulate 3D environments to help birders locate specific birds","Failure mode: Natural aging often leads to the loss of ability to hear specific species like the Grasshopper Sparrow","Core concept: Enhancing auditory perception through technology fosters a deeper connection to the ecosystem"],"chapters":[{"start_ms":0,"title":"The Tape Recorder Trick","summary":"Lang Elliott's historical method of recording at high speed and playing back at half speed to lower pitch."},{"start_ms":20000,"title":"The Impact of Hearing Loss","summary":"How high-frequency hearing loss masks the presence of many birds in the forest."},{"start_ms":40000,"title":"Aging and Bird Identification","summary":"The challenge older birders face when losing the ability to hear high-pitched warblers and sparrows."},{"start_ms":80000,"title":"Spatial Audio and Discovery","summary":"The benefits of using 3D audio elements to locate birds in their natural environment."},{"start_ms":90000,"title":"Connecting Through Sound","summary":"How understanding bird stories through song drives environmental conservation efforts."}],"topics":["Bird Song","Hearing Loss","Audio Technology","Ornithology","Nature Recording","Acoustic Ecology","Birdwatching","Pitch Shifting"],"duration_seconds":102,"processing_state":"processed","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/birdnote-daily-756399/episodes/an-app-that-helps-you-hear-high-pitched-bird-songs/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/birdnote-daily-756399/an-app-that-helps-you-hear-high-pitched-bird-songs.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}