What Aurora's speaker attribution actually scores
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.
Blog.
How Aurora works, what stays on your device, and what we are still improving.
Which Aurora article should I read first?
It depends on what you need to decide. If you want to know where a recording goes, start with what happens to your audio. If accuracy matters, read what speaker attribution actually scores, which publishes the poor results too. If you are choosing between Aurora and a note-taker that joins your calls, read why Aurora does not send a bot. Battery, storage and speed are in what on-device transcription costs.
How Aurora decides a live word is safe to show
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.
What happens to your audio after you press record
Aurora writes captured audio to one protected directory on your own device, twice, before any model reads it, and removes it after seven days. The file path, the format, the crash-recovery sidecar, the retention sweep, and every network path the app can use.
What is actually inside an Aurora diagnostic report
Session details (transcript, chat, summary and images) start attached; the recording has its own switch, and it starts off. What each switch attaches, and what is really in the package.
An AI note-taker without a meeting bot: why Aurora records from the room
Put your iPhone in the room and record through its microphone. What that buys, what it gives up, and which setups it cannot hear.
What on-device transcription costs on an iPhone
Offline processing uses your phone's storage, memory and battery. Here is the one throughput figure we have measured, exactly what Aurora downloads, and the numbers we do not have yet.
Join the waitlist.
Aurora's iPhone beta is by invitation, through TestFlight, and invites go out in waves. Leave your address and we will write once, when yours is ready. Tick the box for the newsletter too: what's new in each build, by email.
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