"Stand-alone multifunctional earphone for sports activities" in Patent Application Approval Process (USPTO 20240121548).

A patent application by inventor Nikolaj Hviid describes a stand-alone multifunctional earphone for sports activities. The earphone is designed to be worn in the ear and incorporates a motion sensor unit, a physiological sensor unit, a data processing unit, a signal processing unit, and a loudspeaker. The earphone can generate an audio signal based on motion data and physiological data, providing real-time information to the user without the need for additional devices. The earphone is compact, discrete, and comfortable to wear. It can provide various performance data such as distance, speed, respiratory rate, oxygen saturation, heart rate, pace, and number of steps. The signal processing unit can modify pre-stored audio data based on the performance data. The earphone also includes additional features such as touch sensors, a microphone, a memory, and wireless communication capabilities. [Extracted from the article]