Mobile audio recording device, has autonomous power supply in housing with microphone, digital converter, memory and digital interface for transferring data to computer

摘要

The recording device has a single housing, accommodating a microphone for recording sound, a converter for converting the audio signal into digital data, a memory for storing the digital data, and digital interface for transferring the digital data to a computer. An autonomous electrical power supply (typically a rechargeable battery) is provided for supplying these components with electrical power.