Commit 41d2d9a
baiqing
fix(local-asr): 修复 Qwen3-ASR 长语音末段丢内容 + 长录音超时
两个独立缺陷一并修:
缺陷 1(主要,丢内容):transcribe_stream 内部按 2s chunk 切片;
用户说完最后一个字立刻松键时录音缓冲没有任何静默尾巴,末 chunk
< 2s 拿不到静默帧 → C 引擎不收尾 → 该 chunk 转写结果被丢弃。等
5-10 秒静默再松键时由于尾部静默被录进缓冲反而正常。
修复:local_provider.rs transcribe() 把 PCM 转 f32 后追加 0.5 秒
(8000 个 f32 零值 @ 16kHz)静默,给 C 引擎收尾信号。duration_ms
仍按原始缓冲长度计算,padding 不计入。
缺陷 2(次要,长录音超时):COORDINATOR_GLOBAL_TIMEOUT_SECS = 15s
固定值;用户 RTF ≈ 0.3、慢机可达 0.5,60s 录音需 ~18s 转写就直接
超时。
修复:新增 local_qwen_transcribe_timeout(audio_secs) -> Duration,
公式 max(15, ceil(audio_s × 0.6) + 10);只在 Local Qwen 路径用
(Volcengine / Whisper / Bailian / Foundry / QA 路径不动)。配套
LocalQwenAsr::buffer_duration_ms() 不消费缓冲地读取音频时长。
加 4 条单测覆盖公式:短录音兜底 15s、长录音线性放大、ceil 部分秒、
0 秒边界。39 条 coordinator 测试全过。1 parent 38f202a commit 41d2d9a
3 files changed
Lines changed: 76 additions & 7 deletions
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- openless-all/app/src-tauri/src
- asr/local
- coordinator
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