https://auroraisyours.com/blog/ Engineering notes from building Aurora, a privacy-first speech workspace for iPhone. First-party measurements and architecture decisions. en hello@auroraisyours.com (Leandro Piccione) hello@auroraisyours.com (Leandro Piccione) © 2026 Aurora Fri, 18 Sep 2026 00:00:00 +0000 https://auroraisyours.com/blog/what-happens-to-your-audio https://auroraisyours.com/blog/what-happens-to-your-audio Fri, 18 Sep 2026 00:00:00 +0000 Aurora writes captured audio to one protected directory on your own device, twice, before any model reads it. The file path, the format, the crash-recovery sidecar, and every network call the app is allowed to make. hello@auroraisyours.com (Leandro Piccione) https://auroraisyours.com/blog/speaker-attribution-measured https://auroraisyours.com/blog/speaker-attribution-measured Fri, 18 Sep 2026 00:00:00 +0000 Measured word-level speaker error on four public-corpus suites, the stage of Aurora's own pipeline that damages it, and the downloadable per-case results behind every number. hello@auroraisyours.com (Leandro Piccione) https://auroraisyours.com/blog/live-transcript-confirmation https://auroraisyours.com/blog/live-transcript-confirmation Fri, 18 Sep 2026 00:00:00 +0000 Words appear as you speak, and the newest ones sit in a dimmed tail until two decodes agree and 0.6 seconds of audio has been captured past them. The rules, the constants, and what changes after you stop. hello@auroraisyours.com (Leandro Piccione) https://auroraisyours.com/blog/inside-a-diagnostic-report https://auroraisyours.com/blog/inside-a-diagnostic-report Fri, 21 Aug 2026 00:00:00 +0000 One switch decides whether a report carries your transcript, Ask Aurora chat, recording and screenshot — and on a session report it starts on. Every tier, and the real members of the package. hello@auroraisyours.com (Leandro Piccione) https://auroraisyours.com/blog/no-meeting-bot https://auroraisyours.com/blog/no-meeting-bot Wed, 05 Aug 2026 00:00:00 +0000 Put your iPhone in the room and record through its microphone: nobody joins your call. What that buys, the four things it gives up, and the two setups it cannot hear. hello@auroraisyours.com (Leandro Piccione) https://auroraisyours.com/blog/on-device-transcription-cost https://auroraisyours.com/blog/on-device-transcription-cost Tue, 14 Jul 2026 00:00:00 +0000 What running speech recognition on the Neural Engine actually costs: one measured refinement throughput figure from an iPhone 15 Pro, exactly what Aurora downloads, and the numbers we have not measured yet. hello@auroraisyours.com (Leandro Piccione)