HANG ZHAO

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SerenEcho

An interactive Guqin-inspired installation translating gesture and rhythm into spatial audio–visual poetry.

2024 / 12
Interaction Designer Audio–Visual Designer Fabricator
Microcontroller TouchDesigner(Projection) Sound Synthesis Gesture Sensing
Interactive Installation Independent Creative Project
Overview

SerenEcho is an interactive installation inspired by the traditional Chinese Guqin, transforming hand motions into meditative soundscapes and moving light. By combining gesture sensing, projection mapping, and spatial audio, the work creates a quiet, contemplative environment where users can “play” the space through subtle finger movements.

The project reinterprets the Guqin’s poetic expressiveness in a contemporary interaction design framework, emphasizing slowness, presence, and embodied resonance.

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Concept: Reimagining the Guqin Through Interaction

The Guqin is known for its philosophical qualities—restraint, serenity, and inner reflection.

SerenEcho extends these qualities into an interactive environment where users:

  • Move their hands above the sensing surface
  • Trigger soft ripples of light
  • Generate delicate audio textures
  • Explore an atmosphere of stillness and poetic calm

The installation invites participants to slow down, breathe, and engage through minimal, intentional gestures.

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Interaction Design

SerenEcho uses hand gestures as the primary input. Users do not touch a physical instrument; instead, air gestures are detected and mapped into:

  • Fluctuating lines of projected light
  • Spatial sound inspired by Guqin timbre
  • Smooth transitions resembling brush strokes or ink flows

This gesture-to-expression mapping mirrors the expressive dynamics of Guqin playing—lightness, pressure, distance, and rhythm.

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Technical System

The installation integrates:

  • Distance sensors / gesture sensors to track hand motion
  • Arduino microcontroller for real-time input processing
  • Projection mapping to visualize gesture traces
  • Custom sound synthesis for Guqin-like tones
  • Physical stand + projection surface inspired by traditional zither tables

The technical structure supports an experience that feels both traditional and contemporary.

Visual & Sound Language

Visually, SerenEcho uses:

  • Soft lines
  • Expanding ripples
  • Gentle gradients
  • Ink-painting inspired motion

Sound design references the Guqin’s:

  • airy harmonics,
  • warm plucked textures,
  • long decaying tones.

Together they form a serene audiovisual landscape.

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Guiding Question

How can gesture-based interaction express the poetic calmness of the Guqin in a contemporary immersive environment?

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