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NousResearch/hermes-agent

Configurable streaming TTS first-sentence threshold

Cluster 96927 · gateway. Data as of

Nothing open on GitHub. Fix merged in #115846 on 19 Sep 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #115846. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #115846. That is separate from the fix event.
Still open
Nothing open on GitHub.

These issues and PRs address adding a configurable tts.streaming.min_len option to control when the first sentence is sent for streaming TTS, replacing a hard-coded value of 20 that caused delays for CJK and short sentences.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #115846 feat(tts): streaming TTS speaks a short first sentence sooner via tts.streaming.min_len on every surface (#96927, salvage #96933)

    merged to main

    files: apps/desktop/src/lib/voice-client-direct.test.ts, apps/desktop/src/lib/voice-client-direct.ts, apps/desktop/src/lib/voice-playback.ts, gateway/streaming_tts_consumer.py, hermes_cli/config_defaults.py, hermes_cli/web_routers/audio.py, tests/gateway/test_streaming_tts_consumer.py, tests/hermes_cli/test_web_server_speak_stream.py, tests/tools/test_tts_streaming.py, tests/tools/test_voice_client_config.py, tools/tts_streaming.py, tools/tts_tool_speaker.py, tools/voice_client_config.py, website/docs/developer-guide/streaming-tts.md, website/docs/user-guide/features/tts.md

1 PR closed without merging

From the close comments: merged via another change 1

  • #96933 feat(tts): make the streaming first-sentence threshold configurable · merged via another change → 4fda3bb, #115846, #96927, #96933

Other PRs1

Not open and not merged; GitHub state not recorded.

  • #96940 feat(tts): support configurable streaming min_len threshold (#96927) · other
Closed issues · 1
  • Closed#96927Streaming TTS: SentenceChunker min_len=20 is hard-coded — CJK first sentences are always buffered, delaying first audio (add tts.streaming.min_len)
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Subsystem
gateway
Merged PRs
#115846
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
19 Sep 2026

For your agent

The same facts, typed.

cluster/96927.json
cluster/96927.md