Sound Localization
★Exhibit Content: Human ear auditory characteristics, binaural effect directional discrimination, acoustics science popularization electromechanical interactive experience ★Interaction: Listen to sound source, determine sound direction, press buttons to answer, indicator light feedback for right or wrong human-machine interaction ★Operation: 1. Press the start button, the 5 speakers on the curved wall sound sequentially from left to right, completing the sound source position demonstration. 2. The device enters test mode, randomly driving one of the speakers to emit sound. 3. Rely on hearing to determine the direction of the sound source, press the corresponding numbered button on the operation panel. 4. Observe the red and green indicator lights, check the judgment result, and repeatedly experience the binaural localization rule. ★Exhibit Description: "Sound Localization" is a science popularization exhibit with a curved cabinet on the theme of human ear directional perception, belonging to the acoustics science popularization area, and a recommended exhibit by the PopsciCat Exhibit Store. The exhibit uses a blue-framed curved enclosed cabinet, with 5 speakers evenly arranged on the inner curved wall, and an independent operation console in front, with 6 function buttons and red and green status indicator lights on the console. The exhibit simulates sound sources from different directions, utilizing the physiological principle of volume difference, time difference, and timbre difference when sound is received by both ears, allowing visitors to personally try to distinguish sound direction by hearing alone, intuitively understand the binaural effect, and recognize the formation mechanism of human stereo hearing. ★Scientific Principle: 1. Binaural effect: When a person's two ears receive sound, there are time differences, loudness differences, and timbre differences. The brain relies on these differences to determine the direction of the sound source. 2. The distance from the sound source to the two ears is different, so the arrival time and intensity of sound waves at the two ears differ. The brain constructs spatial hearing based on this to determine the sound location. 3. It is difficult to accurately locate a sound source with one ear. Only when both ears work together can stereoscopic directional perception be achieved. Stereo and surround sound technologies are all developed based on the binaural effect.
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- 2.2×1.2×2.3m 2.2×1.2×2.3mDimensions (L×W×H): 2.2×1.2×2.3m Brand: Science Cat Model: PopsciCat-Life-101 1. Materials ① Curved cabinet frame: 2mm cold-rolled square tube, enclosure 2.0mm cold-rolled steel plate or woodworking; inner side graphic inkjet printing ② Operation console: 2.0mm cold-rolled steel plate one-piece molded tabletop, anti-rust and wear-resistant treatment ③ Sound unit: 5 full-range speakers, evenly arranged on the curved back panel ④ Operation components: reset function buttons, red error indicator light, green correct indicator light ⑤ Instruction sign: 5mm acrylic UV high-definition inkjet printing, printing operation process, binaural effect acoustic principle 2. Main Configuration ① Blue-framed curved enclosed cabinet assembly ② 5-channel independent control speaker audio module ⑥ Button input, sound and light feedback control panel ⑦ Electrical control: Electrical logic control system, equipped with Guanjian® K1 type PLC controller with protection specially for science popularization exhibits ⑧ DC24V stabilized switching power supply ⑨ Random sound source playback, logic judgment control circuit board 3. Exhibition Requirements ① Energy demand: AC100-240V, 50/60Hz/200W (standard three-wire grounded socket, power supply for audio and main control system) ② Installation foundation: Curved cabinet placed on the ground as a whole ③ Entry passage: Door frame size (W×H) ≥1.5m×2.3m, continuous turning interval of passage ≥4.0m ④ Maintenance access: Reserve ≥0.7m complete maintenance operation space at the back of the exhibit
★Exhibit Content: Human ear auditory characteristics, binaural effect directional discrimination, acoustics science popularization electromechanical interactive experience ★Interaction: Listen to sound source, determine sound direction, press buttons to answer, indicator light feedback for right or wrong human-machine interaction ★Operation: 1. Press the start button, the 5 speakers on the curved wall sound sequentially from left to right, completing the sound source position demonstration. 2. The device enters test mode, randomly driving one of the speakers to emit sound. 3. Rely on hearing to determine the direction of the sound source, press the corresponding numbered button on the operation panel. 4. Observe the red and green indicator lights, check the judgment result, and repeatedly experience the binaural localization rule. ★Exhibit Description: "Sound Localization" is a science popularization exhibit with a curved cabinet on the theme of human ear directional perception, belonging to the acoustics science popularization area, and a recommended exhibit by the PopsciCat Exhibit Store. The exhibit uses a blue-framed curved enclosed cabinet, with 5 speakers evenly arranged on the inner curved wall, and an independent operation console in front, with 6 function buttons and red and green status indicator lights on the console. The exhibit simulates sound sources from different directions, utilizing the physiological principle of volume difference, time difference, and timbre difference when sound is received by both ears, allowing visitors to personally try to distinguish sound direction by hearing alone, intuitively understand the binaural effect, and recognize the formation mechanism of human stereo hearing. ★Scientific Principle: 1. Binaural effect: When a person's two ears receive sound, there are time differences, loudness differences, and timbre differences. The brain relies on these differences to determine the direction of the sound source. 2. The distance from the sound source to the two ears is different, so the arrival time and intensity of sound waves at the two ears differ. The brain constructs spatial hearing based on this to determine the sound location. 3. It is difficult to accurately locate a sound source with one ear. Only when both ears work together can stereoscopic directional perception be achieved. Stereo and surround sound technologies are all developed based on the binaural effect.
Review
Principle Display: ★★★★ Interaction Effect: ★★★★ Ease of Installation: ★★★★ Durability: ★★★★ Overall Rating: ★★★★