Abstract: A WiFi-enabled user device charger is disclosed that may include a processor, a WiFi antenna, a connector for receiving power, a user device charging and data transmission connector, and a memory storing computer-executable instructions configuring the processor to connect to a server using the WiFi antenna to fetch data; queue a portion of the data to transfer to the user device; determine that the user device is connected to the WiFi-enabled user device charger; transmit at least a portion of the data to the user device using the device charging and data transmission connector; and transfer power to the user device using the device charging and data transmission connector. The WiFi-enabled user device charger may not provide any functionality that is not related to charging the user device or transferring data between the user device and the server.

Abstract: A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a background noise associated with the audio signal. A comfort noise generator generates a comfort noise signal having a random phase. A gain circuit adjusts the comfort noise signal based on the spectral content of the background noise. A combining circuit combines a gain-adjusted comfort noise signal and the audio signal to generate an output signal.

Abstract: A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a background noise associated with the audio signal. A comfort noise generator generates a comfort noise signal having a random phase. A gain circuit adjusts the comfort noise signal based on the spectral content of the background noise. A combining circuit combines a gain-adjusted comfort noise signal and the audio signal to generate an output signal.

Abstract: A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a background noise associated with the audio signal. A comfort noise generator generates a comfort noise signal having a random phase. A gain circuit adjusts the comfort noise signal based on the spectral content of the background noise. A combining circuit combines a gain-adjusted comfort noise signal and the audio signal to generate an output signal.

Abstract: A voice detector improves voice output quality. The voice detector may be incorporated into a cellphone, hands-free car phone, or any other device that provides voice output. The voice detector provides excellent voice output quality even when signal dropouts and other significant signal artifacts are present in the received signal. Not only does the high quality voice output improve the listening experience, it also benefits downstream processing systems that further process the voice signal.

Abstract: A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a background noise associated with the audio signal. A comfort noise generator generates a comfort noise signal having a random phase. A gain circuit adjusts the comfort noise signal based on the spectral content of the background noise. A combining circuit combines a gain-adjusted comfort noise signal and the audio signal to generate an output signal.

Abstract: A system and method is disclosed for synchronizing data between two or more devices connected to each other by a network. The devices execute instances of substantially identical applications storing data. A synchronization module executes on each of the devices. The synchronization module may monitor access to the databases and maintain a synchronization database of the changes to the databases. The synchronization databases of the devices are then synchronized. Conflicting changes to the database are resolved according to default protocols and user configured protocols. Conflict resolution protocols may be transmitted between devices prior to resolving conflicts.