Sweet Spotter Silver B Traditional Wired Wireless Sweet Product - PowerPoint PPT Presentation

Sweet Spotter Silver B

Traditional Wired Wireless Sweet Product Vision Speakers Head- Headphones Spotter phones ● Sweet spotter tracks listeners and directs sound beam at them ● Interactive exhibits: ○ Trade shows User maintains ○ Theme parks awareness of surroundings Does not disturb others Provides freedom of motion for user

Sweet Spotter Product Contract Customer Need Attribute Specifications IR tracking range > 30 ft Follows listener with Range of sound sound beam Speaker rotation 0-180° Plays sound without Diameter of sound < 3 ft disturbing others beam Plays music at high Price: $700-1000 [1] Loudness of sound > 100 dB volumes [1] Based on current directional audio system prices

Technical Risk: Tracking What is the most appropriate tracking Tilt axis method? Phototransistors Findings: ● Small view angle Swivel axis ● Ambient IR noise Arduino ● Occlusions

Technical Risk: Directional Sound How is the sound quality? How is the range and isolation of sound? Findings: ● Low bass ● Surface reflections ● Range > 30 ft

Future Steps ● Improve precision of tracking sensor ● Increase tracking range ● Explore higher quality speaker components ● Investigate potential issues with ultrasonic exposure