Sag

sag

Use sag for ElevenLabs TTS with local playback.

API key (required)

• ELEVENLABS_API_KEY (preferred)
• SAG_API_KEY also supported by the CLI

Quick start

• sag "Hello there"
• sag speak -v "Roger" "Hello"
• sag voices
• sag prompting (model-specific tips)

Model notes

• Default: eleven_v3 (expressive)
• Stable: eleven_multilingual_v2
• Fast: eleven_flash_v2_5

Pronunciation + delivery rules

• First fix: respell (e.g. "key-note"), add hyphens, adjust casing.
• Numbers/units/URLs: --normalize auto (or off if it harms names).
• Language bias: --lang en|de|fr|... to guide normalization.
• v3: SSML <break> not supported; use [pause], [short pause], [long pause].
• v2/v2.5: SSML <break time="1.5s" /> supported; <phoneme> not exposed in sag.

v3 Audio Tags

Audio Tags are inline directives in square brackets [] that add emotional nuance, tone shifts, non-verbal sounds, and effects to generated speech. Place them anywhere in the text—before, after, or mid-sentence.

Syntax:

• Use lowercase for consistency (case-insensitive)
• Combine tags like [nervous][whispers] for layered effects
• Tags persist until overridden by a new tag or the segment ends
• No explicit terminator like [/tag] exists
• Punctuation like ellipses (…) or CAPS boosts emphasis alongside tags
• Best results with prompts >250 characters

Tag Categories:

Examples:

sag "[whispers] This is secret... [excited] But it works!"
sag "[nervous][whispers] I'm not sure about this. [pause] Ok, let's do it."
sag "[sarcastic] Oh wow, that's SO impressive. [laughs]"

Notes:

• Works best with Creative or Natural stability settings
• Results vary by voice training data
• v3 does NOT support SSML <break> tags; use [pause] instead

Voice defaults

• ELEVENLABS_VOICE_ID or SAG_VOICE_ID

Confirm voice + speaker before long output.

Chat voice responses

NOTE: sag skill vs Auto-TTS This skill is for AGENT-INVOKED voice generation (when the AI explicitly runs sag). This is SEPARATE from the built-in Auto-TTS system (messages.tts.auto in config).

• sag skill: AI explicitly generates voice via sag CLI command
• Auto-TTS: Automatic voice conversion of all replies (see src/tts/tts.ts) Both should use the same voice ID for consistency.

When the user asks for a "voice" reply (e.g., "crazy scientist voice", "explain in voice"), generate audio and send it:

# Generate audio file (use voice ID directly for consistency with auto-TTS)
sag --voice-id ZD29qZCdYhhdqzBLRKNH -o /tmp/voice-reply.mp3 "Your message here"

# Then include in reply:
# MEDIA:/tmp/voice-reply.mp3

Voice character tips:

• Crazy scientist: Use [excited] tags, dramatic pauses [short pause], vary intensity
• Calm: Use [whispers] or slower pacing
• Dramatic: Use [sings] or [shouts] sparingly

Default voice: ZD29qZCdYhhdqzBLRKNH ("Female Humanoid - Futuristic") https://elevenlabs.io/app/voice-library?voiceId=ZD29qZCdYhhdqzBLRKNH

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