High-Performance Audio Module with Versatile Features
This advanced audio module is designed for a variety of applications, providing exceptional sound quality and flexible control options. Ideal for users needing reliable audio playback in diverse environments, this device supports multiple file systems and offers extensive functionality.
Key Features
- Storage Specifications:
– Utilizes SPI FLASH technology; capacity measured in bits (e.g., 16Mbit = 2Mbyte).
- Audio Functionality:
– Sample rates supported: 8/11.025/12/16/22.05/24/32/44.1/48 KHz.
– Outputs high-quality audio with a dynamic range of up to 90dB and a signal-to-noise ratio of 85dB.
- File System Compatibility:
– Fully compatible with FAT16 and FAT32 file systems.
– Supports up to a 32GB TF card or U disk, along with an additional NORFLASH capacity of up to 64MB.
- Control Modes:
– Offers multiple control modes including parallel port, serial port, and AD key control.
- Interrupt Functionality:
– Capable of pausing background music during voice announcements.
- Organized Audio Playback:
– Allows sorting by folder structure; supports up to100 folders with each containing up to1000 songs.
- Volume & EQ Adjustments:
– Provides adjustable volume levels (30 settings) and equalizer options (10 settings).
- SPI Flash Connectivity:
– Can be connected to a computer for content updates via SPI flash interface.
Applications
This module is perfect for various scenarios including:
- Voice announcements in vehicle navigation systems.
- Toll station prompts during highway transportation inspections.
- Security check notifications at train or bus stations.
- Voice prompts in power, communication, or financial business halls.
- Verification prompts at vehicle entry and exit channels.
- Border control channel notifications.
- Multi-channel voice alarms or operational guidance alerts for equipment use.
- Safe driving notifications on electric sightseeing vehicles.
- Automatic failure alarms for electromechanical devices.
- Fire safety alarm prompts through automated broadcasting equipment.
Basic Parameters
- UART interface: Standard serial port with adjustable baud rate settings
- Input voltage: Operates between3 .2V–5V; optimal at4 .2V
3.Rated current:20mA
4.Operation temperature range: –40°C to70 °C
5.MP3 format support includes all bit rates from11172–3andISO13813–3 layer three decoding across various sample rates (KHZ):8 /11 .025 /12 /16 /22 .05 /24 /32 /44 .1 /48 , supporting sound effects like Normal, Jazz, Classic, Pop,and Rock.