Atmel offers solutions for digital audio, including the industry's most robust touch sensor technology. Atmel provides both Atmel AVR® 8- and 32-bit microcontrollers supporting Radio Frequency for Consumer Electronics (RF4CE). Protect your intellectual property (IP) against cloning, counterfeiting and other security breaches and securely manage third-party licensing agreements with the Atmel CrytoAuthentication family of hardware authentication solutions. Through our partners, we provide Wi-Fi and Bluetooth, including the industry's smallest WLAN module and switching amplifier solutions.
See also the Audio section in the Audio and Home Entertainment application pages.
[ + ] Audio Recorder with MEMS Microphone Sensor Reference Design
Abstract: This reference design demonstrates an audio recorder based on Atmel SAMG53 microcontroller and two digital MEMS microphone sensors. The design enables users to easily experience stereo/mono audio data acquisition and storage for further processing via I2S or PDM interface.
- Audio acquisition via two MEMS microphone sensors
- 16KHz Stereo Audio through PDM interface
- PDM-to-PCM conversion by on-chip PDM interface controller
- Store audio data into SD-card memory
[ + ] USB High Speed Device Mass Storage on SD/MMC Card with AES
Abstract: This reference design demonstrates a USB Mass Storage device based on AT32UC3A3, featuring High-peed USB for communication and a SD/MMC-card for storage. When enabled, AES encryption/decryption can secure the data from unauthorized access.
- High-Speed USB interface between MCU and PC
- SD/eMMC interface between MCU and SD card
- USB MSC Device class support
- Optional hardware encryption/decryption of data
Learn more about the Atmel solution Application Notes, Devices, and Tools and Software.