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High-Performance Audio Playback Module
Overview
This advanced audio playback module is designed for seamless integration into various applications, providing high-quality sound output and versatile control options. Ideal for projects requiring audio prompts or background music, this module supports multiple file formats and offers extensive customization features.
Key Features
- Sampling Rate Support: Compatible with a wide range of sampling rates including 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, and 48 KHz.
- Audio Quality: Equipped with a robust 24-bit DAC output that ensures a dynamic range of up to 90dB and a signal-to-noise ratio of 85dB, delivering clear sound quality.
- Storage Compatibility: Fully supports FAT16 and FAT32 file systems; accommodates up to a 32GB TF card or USB drive along with 64M byte NORFLASH.
- Control Modes: Offers multiple control modes including IO control mode, serial port mode, and AD button control mode for flexible operation.
- Ad Insertion Functionality: Allows users to pause background music during ad playback before resuming the original track seamlessly.
- Folder Organization: Supports organization of audio files into folders—up to 100 folders with 255 tracks per folder for easy navigation.
- Volume & EQ Control: Features adjustable volume levels (30 settings) and equalizer options (6 settings) to tailor the listening experience.
Applications
This module is suitable for various use cases:
- Car navigation voice announcements
- Voice prompts at toll stations or highway inspections
- Safety inspection alerts at transport hubs like railway stations
- Notifications in power supply offices or financial institutions
- Vehicle entry/exit verification prompts
- Border inspection channel notifications
- Multi-channel voice alarms or operational guidance messages
- Alerts for electric sightseeing vehicles promoting safe driving practices
- Automatic failure alarms for mechanical equipment
- Fire alarm notifications
- Regular broadcast capabilities through automatic broadcasting equipment
Product Description
The audio playback module can be directly connected to speakers and operates independently using battery power alongside buttons or can be controlled via serial port as part of an UNO setup or any microcontroller equipped with serial communication capabilities.
It integrates hard decoding functionalities supporting MP3, WAV, and WMA formats while ensuring compatibility with TF card drivers formatted in FAT16/FAT32 systems.
With straightforward serial commands available for operation—playing specific tracks without complex underlying processes—the device guarantees ease of use while maintaining stability and reliability throughout its performance.
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