speech_pipeline_node: ros__parameters: mic_device_index: -1 # -1 = system default; use `arecord -l` to list sample_rate: 16000 wake_word_model: "hey_salty" wake_word_threshold: 0.5 vad_threshold_db: -35.0 use_silero_vad: true whisper_model: "small" # small (~500ms), medium (better quality, ~900ms) whisper_compute_type: "float16" whisper_language: "" # "" = auto-detect; set e.g. "fr" to force speaker_threshold: 0.65 speaker_db_path: "/social_db/speaker_embeddings.json" publish_partial: true