ABC Bubble — English letter names All A–Z clips use the same stock synthetic voice: Kokoro af_heart (American English). Generation: Dekimore (generated with Kokoro). Generated locally. These are synthetic speech, not recordings of different speakers. Model: hexgrad/Kokoro-82M v1.0 (Apache License 2.0) https://huggingface.co/hexgrad/Kokoro-82M ONNX export: onnx-community/Kokoro-82M-v1.0-ONNX (Apache License 2.0) https://huggingface.co/onnx-community/Kokoro-82M-v1.0-ONNX https://www.apache.org/licenses/LICENSE-2.0 Letter-name phonemes: Misaki by hexgrad (Apache License 2.0). https://github.com/hexgrad/misaki Generation: one voice, speed 0.9; silence padding, edge fade and MP3 encoding. Playback: quiet RMS normalization and a peak ceiling matching the bubble effect. No voice cloning, speech service, microphone recording or personal information is used. Model and generation software are not included in the game distribution. Source/settings verification date: 2026-09-27.