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How the Baby Sound Module is used in music-playing toys
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How the Baby Sound Module is used in music-playing toys

2025-07-31
Latest company news about How the Baby Sound Module is used in music-playing toys
Typical Applications and Technical Implementations of the Baby Sound Module in Music-Playing Toys
1. Core Function Implementation
Bluetooth Audio Transmission
  • Uses a Bluetooth module supporting the A2DP protocol (such as the ANS-BT302DM) to wirelessly connect to a phone/tablet and play music stored on the host device.
  • The module has a built-in QCC3040 chip and supports aptX low-latency encoding, ensuring audio synchronization to meet interactive needs.
Local Sound Effect Playback
  • Pre-installed 12 basic instrument sound libraries (piano, xylophone, etc.), with corresponding sound effects triggered by touch.
  • Uses WAV format audio recording technology to support multi-track playback.
2. Hardware Integration
Structural Design
  • The module is enclosed in an environmentally friendly ABS resin casing, sealed with silicone to the toy body, and complies with EN7 standards.
  • The speaker's vent design must take acoustic reflections into account and is typically located on the toy's belly or back.
Power System
  • Powered by a 3.7V lithium battery, the quiescent current is less than 5μA, supporting over 30 hours of continuous playback.
  • Automatically triggers a low-battery alert (once every 2 minutes).
III. Interactive Control Logic
Connection Management
  • Single-button control design: Single-click to reconnect/play, double-click to pair, long-press to clear history.
  • Automatically shuts off after 5 minutes of no connection, supporting up to 8 devices.
Sound Effect Switching
  • Select different tones using physical buttons or touch areas, supporting melody combinations.
  • Synchronized lighting effects enhance the immersive experience.
This solution has been successfully applied to products such as musical panda dolls and electronic keyboard books, with a measured Bluetooth transmission range of up to 15 meters (in an accessible environment).
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How the Baby Sound Module is used in music-playing toys
2025-07-31
Latest company news about How the Baby Sound Module is used in music-playing toys
Typical Applications and Technical Implementations of the Baby Sound Module in Music-Playing Toys
1. Core Function Implementation
Bluetooth Audio Transmission
  • Uses a Bluetooth module supporting the A2DP protocol (such as the ANS-BT302DM) to wirelessly connect to a phone/tablet and play music stored on the host device.
  • The module has a built-in QCC3040 chip and supports aptX low-latency encoding, ensuring audio synchronization to meet interactive needs.
Local Sound Effect Playback
  • Pre-installed 12 basic instrument sound libraries (piano, xylophone, etc.), with corresponding sound effects triggered by touch.
  • Uses WAV format audio recording technology to support multi-track playback.
2. Hardware Integration
Structural Design
  • The module is enclosed in an environmentally friendly ABS resin casing, sealed with silicone to the toy body, and complies with EN7 standards.
  • The speaker's vent design must take acoustic reflections into account and is typically located on the toy's belly or back.
Power System
  • Powered by a 3.7V lithium battery, the quiescent current is less than 5μA, supporting over 30 hours of continuous playback.
  • Automatically triggers a low-battery alert (once every 2 minutes).
III. Interactive Control Logic
Connection Management
  • Single-button control design: Single-click to reconnect/play, double-click to pair, long-press to clear history.
  • Automatically shuts off after 5 minutes of no connection, supporting up to 8 devices.
Sound Effect Switching
  • Select different tones using physical buttons or touch areas, supporting melody combinations.
  • Synchronized lighting effects enhance the immersive experience.
This solution has been successfully applied to products such as musical panda dolls and electronic keyboard books, with a measured Bluetooth transmission range of up to 15 meters (in an accessible environment).
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