[唤醒灵敏度与端点恢复]：完成唤醒提示顺序和Hybrid VAD优化，包含阈值默认值、缓冲时序和测试覆盖

2026-06-17 21:00:28 +08:00
parent 44f708a3dc
commit 95e4996434
13 changed files with 145 additions and 29 deletions
@@ -23,7 +23,7 @@ The live runtime SHALL provide an audible local acknowledgement after local wake
 - **THEN** the runtime SHALL clear buffered microphone input captured during acknowledgement playback before starting VAD recording for the user's question

 ### Requirement: Fast user utterance endpointing
-The live runtime SHALL use the project-local VAD model by default for user utterance endpoint detection and SHALL expose configurable silence timing so the recording stops promptly after the user stops speaking.
+The live runtime SHALL use project-local VAD capability with an energy-threshold fallback by default for user utterance endpoint detection and SHALL expose configurable silence timing so the recording stops promptly after the user stops speaking.

 #### Scenario: User stops speaking after wake
 - **WHEN** VAD observes the configured continuous silence duration after a started utterance
@@ -33,6 +33,14 @@ The live runtime SHALL use the project-local VAD model by default for user utter
 - **WHEN** `OWNER_VAD_PROVIDER=local`
 - **THEN** the runtime SHALL use the project-local `sherpa-onnx` VAD model rather than a raw energy threshold for live user utterance endpointing

+#### Scenario: Hybrid VAD is configured
+- **WHEN** `OWNER_VAD_PROVIDER=hybrid`
+- **THEN** the runtime SHALL load both the project-local VAD model and an energy-threshold fallback and SHALL treat a frame as speech when either detector reports speech
+
+#### Scenario: Wake acknowledgement prompt ordering
+- **WHEN** local wake detection succeeds and `OWNER_WAKE_ACK_TEXT` is non-empty
+- **THEN** the terminal SHALL emit wake hit, acknowledgement, question prompt, and recording states in that order so the user is cued to speak only after acknowledgement playback
+
 ## MODIFIED Requirements

 ### Requirement: Wake word detection