Voice Clip to Animated Video

I need a motion graphics video created from a voice clip. The visuals should include animated graphics.

Requirements:
- Create engaging motion graphics
- Sync animations with voice clip
- Suggest a cohesive theme and color palette

Ideal Skills and Experience:
- Proficiency in motion graphics software (e.g., After Effects)
- Strong animation skills
- Creative with color and design
- Experience with audio-visual synchronization

Please share a portfolio with similar work.