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SleepTrace

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The overnight audio ring buffer design that keeps 8 hours without spilling memory
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The overnight audio ring buffer design that keeps 8 hours without spilling memory

#ios #audio #programming
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2 min read
What a 40MB CoreML model actually detects in your bedroom audio
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What a 40MB CoreML model actually detects in your bedroom audio

#machinelearning #audio #ios
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2 min read
Why consumer sleep accuracy is a trap (and what to measure instead)
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Why consumer sleep accuracy is a trap (and what to measure instead)

#sleep #machinelearning #health #product
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2 min read
The three engineering constraints that define overnight audio on iOS
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The three engineering constraints that define overnight audio on iOS

#ios #swift #mobile
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2 min read
Why we don't upload your bedroom audio (and never will)
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Why we don't upload your bedroom audio (and never will)

#privacy #security #ios #sleep
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2 min read
Building the on-device ML pipeline that powers phone-based sleep analysis
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Building the on-device ML pipeline that powers phone-based sleep analysis

#machinelearning #ios #sleep
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2 min read
The audio feature that actually separates snoring from talking in the dark
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The audio feature that actually separates snoring from talking in the dark

#audio #machinelearning #sleep #programming
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3 min read
Stop shipping sleep stage charts you cannot defend
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Stop shipping sleep stage charts you cannot defend

#sleep #health #machinelearning #ethics
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2 min read
Field notes: why background audio on iOS fails silently at 3am
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Field notes: why background audio on iOS fails silently at 3am

#ios #swift #debugging #mobile
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2 min read
What the Apple Health sleep score does not tell you
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What the Apple Health sleep score does not tell you

#health #apple #healthkit #ux
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2 min read
How to process 8 hours of audio on an iPhone without draining the battery
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How to process 8 hours of audio on an iPhone without draining the battery

#ios #swift #audio #mobile
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2 min read
Why "sleep stage detection" is the wrong metric for a phone app
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Why "sleep stage detection" is the wrong metric for a phone app

#sleep #health #mobile
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2 min read
The honest guide to phone-based sleep tracking without a wearable
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The honest guide to phone-based sleep tracking without a wearable

#showdev #health #ios #privacy
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2 min read
Designing sleep apps that people don't abandon after three nights
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Designing sleep apps that people don't abandon after three nights

#ux #product #health #startup
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2 min read
Why your health app should never upload raw audio
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Why your health app should never upload raw audio

#ios #privacy #webdev #health
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3 min read
Overnight mobile sensing without murdering the battery: field-tested tactics
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Overnight mobile sensing without murdering the battery: field-tested tactics

#mobile #ios #android #performance
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2 min read
The sleep score is the least honest number in your health app
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The sleep score is the least honest number in your health app

#ux #datascience #health #mobile
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1 min read
Sleep-stage detection is mostly inference. Be honest about it.
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Sleep-stage detection is mostly inference. Be honest about it.

#machinelearning #datascience #mobile #health
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1 min read
Field notes: all-night audio recording on iOS without dying in the background
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Field notes: all-night audio recording on iOS without dying in the background

#ios #swift #audio #mobile
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2 min read
Why we built an audio-first sleep tracker (and what it taught us about on-device ML)
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Why we built an audio-first sleep tracker (and what it taught us about on-device ML)

#showdev #machinelearning #mobile #startup
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2 min read
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