Abstract: The titanium-containing oxide slag, low-purity silicon and slagging fluxes are subject to reduction smelting together, and a bulk Si—Ti intermediate alloy is obtained by slag-metal separation; the obtained bulk Si—Ti intermediate alloy is crushed into Si—Ti intermediate alloy particles; and the obtained Si—Ti intermediate alloy particles are used as an anode, metallic molybdenum or metallic nickel as a cathode, metallic titanium as a reference electrode, and NaCl—KCl—NaF together with small amounts of Na3TiF6 or K3TiF6 as a molten salt, to carry out the electrolysis under a high-purity argon atmosphere at a temperature of 973 K. Ti in the Si—Ti intermediate alloy particles dissolved at the anode and deposited at the cathode, while Si in the Si—Ti intermediate alloy particles fell off from the anode as metallic silicon powder.

Abstract: A vehicle scratch detection system includes a scratch detection element, disposed on a vehicle body and capable of detecting a scratch of the vehicle body, a control unit, configured to be capable of analyzing and processing detection information of the scratch detection element and determining information related to scratch, and an alarm device. The control unit is capable of triggering the alarm device to send an alarm signal according to a result of the analyzing and processing.

Abstract: A method and device for pushing content acquires at least one of information related to a vehicle and information related to a driver of the vehicle; determines information characterizing the potential demand of the driver on the knowledge related to a vehicle based on the acquired information; selecting content to be pushed to the driver based on the information characterizing the potential demand of the driver on the knowledge related to a vehicle, wherein the content comprises the knowledge related to a vehicle; and pushes the selected content to a mobile terminal of the driver.

Abstract: A system and method for text-to-speech performance evaluation are provided. The method (100) for text-to-speech performance evaluation includes providing a plurality of speech samples and scores associated with the respective speech samples (110); extracting acoustic features that influence the associated scores of the respective speech samples from the respective speech samples (120); training a machine learning model by the acoustic features and corresponding scores (130); and evaluating a text-to-speech engine by the trained machine learning model (140).

Abstract: A method for performing speech-based human machine interaction (HMI) includes obtaining a speech of a user and determining whether a response to the speech of the user can be generated. If no response can be generated, information is sent corresponding to the speech of the user to the call center. A data processing device for performing speech-based human machine interaction (HMI), includes an obtaining module to obtain a speech of a user. The data processing device further includes a determining module to determine whether a response to the speech of the user can be generated. The data processing device further includes a sending module to send information corresponding to the speech of the user to the call center.

Abstract: A vehicle scratch detection system includes a scratch detection element, disposed on a vehicle body and capable of detecting a scratch of the vehicle body, a control unit, configured to be capable of analyzing and processing detection information of the scratch detection element and determining information related to scratch, and an alarm device. The control unit is capable of triggering the alarm device to send an alarm signal according to a result of the analyzing and processing.

Abstract: A method and device for pushing content acquires at least one of information related to a vehicle and information related to a driver of the vehicle; determines information characterizing the potential demand of the driver on the knowledge related to a vehicle based on the acquired information; selecting content to be pushed to the driver based on the information characterizing the potential demand of the driver on the knowledge related to a vehicle, wherein the content comprises the knowledge related to a vehicle; and pushes the selected content to a mobile terminal of the driver.

Abstract: A system and method for text-to-speech performance evaluation are provided. The method (100) for text-to-speech performance evaluation includes providing a plurality of speech samples and scores associated with the respective speech samples (110); extracting acoustic features that influence the associated scores of the respective speech samples from the respective speech samples (120); training a machine learning model by the acoustic features and corresponding scores (130); and evaluating a text-to-speech engine by the trained machine learning model (140).

Abstract: A system and method for concatenative speech synthesis is provided. Embodiments may include accessing, using one or more computing devices, a plurality of speech synthesis units from a speech database and determining a similarity between the plurality of speech synthesis units. Embodiments may further include retrieving two or more speech synthesis units having the similarity and pruning at least one of the two or more speech synthesis units based upon, at least in part, the similarity.

Abstract: A system and method for concatenative speech synthesis is provided. Embodiments may include accessing, using one or more computing devices, a plurality of speech synthesis units from a speech database and determining a similarity between the plurality of speech synthesis units. Embodiments may further include retrieving two or more speech synthesis units having the similarity and pruning at least one of the two or more speech synthesis units based upon, at least in part, the similarity.