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About Marcus
Voice Design Recipe Public
Director's casting notes & character prompt
Full Voice Summary
A vibrant and youthful American male voice that balances casual approachability with crisp articulation. His tone is optimistic and eager to help, making him sound like a tech-savvy friend offering guidance rather than a distant professional.
Acoustic Attributes
- age Estimate
- Young Adult
The voice sounds like it belongs to a man in his late 20s or 30s.
- pitch
- Low
The voice has a low fundamental frequency, contributing to a grounded and reassuring tone.
- intensity
- Normal
The voice is delivered at a standard, conversational volume.
- energy Level
- Medium
The voice is engaging and paced but not overly energetic or excitable.
- breathiness
- None
The voice has a clean, solid tone with no noticeable airy or breathy quality.
- pause Frequency
- Occasional
The fast speaking rate results in infrequent, brief pauses between phrases.
- average Pause Length Ms
- 310
Pauses are brief, averaging around 310 milliseconds, which maintains momentum.
- vocal Fry
- Subtle
A slight, low-frequency rattle or creak is sometimes audible at the end of phrases.
Detailed Performance Breakdown
With a speaking rate of 197 words per minute, this voice is significantly faster than the average conversational pace (around 150 wpm), making it ideal for efficiently delivering large amounts of information.
The fundamental frequency of 124 Hz places this voice in the lower range for a male speaker, contributing to a sound that is grounded, clear, and reassuring.
At 58% intensity, the voice maintains a balanced, conversational volume that is clear and present without being overly loud or aggressive, suitable for a wide range of listening environments.
Scoring a 6 out of 10 for energy, this voice strikes a perfect balance between being engaging and calm, conveying information with a positive, forward-moving pace that avoids sounding either hyper or monotone.
Recommended Casting
- Perfect for engaging app onboarding flows and user interface guidance.
- Ideal for fast-paced tech product demos and software walkthroughs.
- Great for casual YouTube narration or social media content.
- Well-suited for modern start-up promotional videos.