google-deepmind/speech-compass v0.1.0

Initial open-source release

Repository: google-deepmind/speech-compass

Tag: v0.1.0

Published: 2026-06-18T22:59:35Z

Prerelease: yes

Release notes: Android app for SpeechCompass (ACM CHI 2025 Best Paper).

The app uses the phone's built-in microphone for live speech-to-text captioning and receives speaker azimuth angles from the 4-microphone SpeechCompass case over USB serial, overlaying directional cues on the captions.

Requirements

• Android 14 (API 34) or later
• SpeechCompass phone case (hardware) for full localization functionality
• The app runs in simulation mode without the hardware

Installation

Download speechcompass-debug-v0.1.0.apk, connect your phone, and sideload via ADB: adb install speechcompass-debug-v0.1.0.apk

Or build from source as described in android/README.md.

Paper

SpeechCompass: Enhancing Mobile Captioning with Diarization and Directional Guidance via Multi-Microphone Localization