Abstract: Provided are a method for transmitting a control instruction, a transmitting device and a receiving device. The method includes the follows. A first control instruction is obtained by a transmitting device. the first control instruction is encapsulated into a first protocol data stream. The first protocol data stream is superimposed, by the transmitting device through a first coupling network, on a second protocol data stream in the form of differential signal generated according to multimedia data to obtain a first signal, and the first signal is transmitted to a receiving device via a cable. The first signal is filtered by the receiving device to obtain a first protocol data stream, and the first protocol data stream is decapsulated to obtain a first signal. By adopting the disclosure, transmitting control instruction via the cable can realize controlling the target device connected to the receiving. The user experience is high.

Abstract: Provided are a transmitting method, a receiving method, a transmitting device, and a receiving device. The transmitting method includes: obtaining, by a transmitting device, multimedia data, encoding, by the transmitting device, the multimedia data with a compression algorithm to obtain code stream data, encapsulating, by the transmitting device, the code stream data into a protocol data stream, modulating, by a first modem of the transmitting device, the protocol data stream, and transmitting, by the transmitting device, a modulated signal to a receiving device based on a millimeter wave communication technology of a 60 GHz frequency band. By adopting the disclosure, lossless compression of video data can be achieved, and a high-definition display connected with the receiving device can play visually lossless high-definition videos without delay while transmission costs are reduced.

Abstract: A signal transmission system is provided. The signal transmission system includes a transmitting device and a receiving device. The transmitting device is communicatively connected with the receiving device via cables. The transmitting device includes a first transceiver module, a power supply module, and a first processing module connected with the first transceiver module and the power supply module. The receiving device includes a second transceiver module and a second processing module connected with the second transceiver module. According to the signal transmission system, direct current signal can be transmitted to electric equipment while differential signal is transmitted between the transmitting device and the receiving device by Ethernet cables, on one hand, wiring costs can be reduced, on the other hand, construction time is reduced and user experience is improved.

Abstract: Method and device of transmitting and receiving ultra high video are provided. The method of transmitting ultra high definition video includes: acquiring ultra high definition video; compressing data, by a compression algorithm to obtain compressed data, of the ultra high definition video; packing the compressed data into user datagram protocol (UDP) data packets; transmitting the UDP data packets to a first 10-gigabit network module according to a UDP protocol. The compressed data is packaged into the UDP data packets and the UDP data packets are transmitted by the 10-gigabit network module, thereby realizing the high-efficiency transmission of video data based on the 10-gigabit network and UDP protocol stack. A transmission system is also provided.

Abstract: A wireless High Definition Multimedia Interface (HDMI) transmitting device includes a wireless transmitting module and an HDMI interface configured to connect to a source device. The HDMI interface includes a power pin configured to receive power from the source device and a data pin configured to receive an HDMI data from the source device. The wireless transmitting module includes a power receiving contact connected to the power pin and a data receiving contact connected to the data pin. The wireless transmitting module receives the power through the power receiving contact and converts the HDMI data received by the data receiving contact into a wireless signal. Therefore, the wireless HDMI transmitting device may be powered in the absence of a power adapter, the space occupied by the wireless HDMI transmitting device is reduced, and a socket interface corresponding to the power adapter is not needed.

Abstract: An infrared remote controller based on voice control includes a first collecting module collecting user's voice data, a voice recognition module recognizing a command from the user's voice data and generating an electrical signal according to the command, and an infrared emitter converting the electrical signal to an infrared signal and sending the infrared signal to an electrical apparatus to control the electrical apparatus.

Abstract: A speech recognition device includes a voice collection module configured to collect voices; a voice denoising module electrically connected to the voice collection module and configured to denoise the collected voice; a voice recognition module electrically connected to the voice denoising module and configured to recognize voices denoised by the voice denoising module and converted the denoised voices into control instructions; an interface conversion module electrically connected to the voice recognition module and configured to convert the control instructions into digital signals; and a parallel port interface electrically connected to the interface conversion module and configured to be inserted into an electronic device so that the digital signals can be transmitted to the electronic device via the parallel port interface. The present invention provides a new speech recognition device and system to fast response to simple operation instructions without cloud recognition operation.

Abstract: An infrared emitting device for converting a voice command into an infrared signal and transmitting it to an electronic device to control the electronic device, including a storage module, a first collecting module, and a preprocessing a module, a voice recognition module, and an infrared transmitter. The storage module is configured to store a preset voice feature; the first collecting module is configured to collect voice data; the preprocessing module is configured to obtain a target voice; the voice recognition module is configured to extract target voice features from the target voice, and compare the obtained target voice feature with a preset voice feature. When a ratio of the target voice feature to the preset voice feature is greater than or equal to a set threshold the infrared emission generates an infrared signal and transmits the infrared signal to an electronic device to control the electronic device.

Abstract: A wireless transmitting device converts a voice command into a wireless signal and transmits the wireless signal to the electrical apparatus to control the electrical apparatus. The wireless transmitting device includes a first collecting module collecting user's voice data, a voice recognition module, and a wireless transmitter. The voice recognition module extracts voice features from a target voice to acquire a voice feature of the target voice, and compares the voice feature of the target voice with a preset voice feature. The wireless transmitter sends the wireless signal to the electrical apparatus to control the electrical apparatus when the voice feature of the target voice matches the preset voice feature.

Abstract: A wireless High Definition Multimedia Interface (HDMI) transmitting device includes a wireless transmitting module and an HDMI interface configured to connect to a source device. The HDMI interface includes a power pin configured to receive power from the source device and a data pin configured to receive an HDMI data from the source device. The wireless transmitting module includes a power receiving contact connected to the power pin and a data receiving contact connected to the data pin. The wireless transmitting module receives the power through the power receiving contact and converts the HDMI data received by the data receiving contact into a wireless signal. Therefore, the wireless HDMI transmitting device may be powered in the absence of a power adapter, the space occupied by the wireless HDMI transmitting device is reduced, and a socket interface corresponding to the power adapter is not needed.

Abstract: An audio and video transmitting device includes a source-end connecting unit configured to receive an audio and video signal from a video source; a transmitting-end processing unit configured to process the audio and video signal and generate a processed audio and video signal; a first wireless unit configured to modulate the processed audio and video signal and generate a modulated audio and video signal; a transmitting-end antenna configured to send the modulated audio and video signal; and a transmitting-end peripheral interface configured to receive a first peripheral information from a source-end peripheral device and send the first peripheral information to the transmitting-end processing unit which sends the first peripheral information to the video source through the source-end connecting unit.

Abstract: An audio and video transmitting device includes a source-end connecting unit configured to receive an audio and video signal from a video source; a transmitting-end processing unit configured to process the audio and video signal and generate a processed audio and video signal; a first wireless unit configured to modulate the processed audio and video signal and generate a modulated audio and video signal; a transmitting-end antenna configured to send the modulated audio and video signal; and a transmitting-end peripheral interface configured to receive a first peripheral information from a source-end peripheral device and send the first peripheral information to the transmitting-end processing unit which sends the first peripheral information to the video source through the source-end connecting unit.