System and methods for synchronizing supplemental media content to media content being provided by a different content source. The systems and methods may identify media content from user input, and determine a plurality of associated supplementary media. By monitoring and interpreting a data stream containing information about the primary media content, the systems and methods may interpret indicia of content ceasing and resuming and similarly cease and resume playback of the supplemental media in response, preserving the synchronicity of the multiple content sources.

Systems and methods of the present disclosure provide for dynamic delay equalization of related media signals in a media transport system. Methods include receiving a plurality of related media signals, transporting the related media signals along different media paths, calculating uncorrected propagation delays for the media paths, and delaying each of the related media signals by an amount related to the difference between the longest propagation delay (of the uncorrected propagation delays) and the uncorrected propagation delay of the related media signal/media path. Calculating the uncorrected propagation delays and delaying the related media signals may be performed in response to a change to the propagation delay of at least one of the related media signals/media paths. Additionally or alternatively, calculating the uncorrected propagation delays and delaying the related media signals may be performed while transporting the related media signals.

A method and apparatus are disclosed for providing a video signature representative of a content of a video signal. A method and apparatus are further disclosed for providing an audio signature representative of a content of an audio signal. A method and apparatus for detecting lip sync are further disclosed and take advantage of the method and apparatus disclosed for providing a video signature and an audio signature.

Techniques of audio-video synchronization that can be performed on audio and video streams are described. In one scenario, a processor can receive audio-video information comprising a video stream and an audio stream. Each of the video and audio streams can include one or more of: a compressed stream; and a decoded stream. A region of motion in the video stream can be determined based on a property of the video stream. A video signal can be generated based on the determined region of motion. Also, a relative delay between the streams can be determined based, at least in part, on the generated video signal. A delay value associated with one or more of the audio and video streams may be adjusted to assist with synchronizing the audio and video streams.

Novel tools and techniques are provided for implementing media content streaming or playback, and, more particularly, for implementing media stream synchronization. In some embodiments, a synchronization system might receive a first signal that is output from a first device, which receives an original video signal from a video source and outputs a first video signal. The synchronization system might analyze the first signal to determine a first frame buffer delay, generate a delay adjustment signal based on such determination, and send the delay adjustment signal to a frame buffer delay device. The frame buffer delay device and the first device might concurrently receive the original video signal from the video source. The first delay adjustment signal causes the frame buffer delay device to apply the first frame buffer delay to the original video signal to produce a second video signal that is synchronized with the first video signal.

Embodiments of the present disclosure provide a method and a device for processing a video, an electronic device and a storage medium. The method includes the followings. A target recognition is performed to A first video segments and B first speech segments to obtain M second video segments and N second speech segments. A speech processing is performed to the N second speech segments to obtain N target speech text files. First representation information is extracted from the M second video segments to obtain Q pieces of first representation information. A second sound matched with the target character is determined according to the Q pieces of first representation information. The second sound is merged with the N target speech text files to obtain N target speech segments.

Disclosed are a controlling device and method for frequency synchronization as well as a LCD TV. The method is applied to an LCD TV, wherein the LCD TV includes a front-end motherboard chip, a main drive control chip and a plurality of column drive control chips, the method includes: when the main drive control chip recognizes that its operating frequency is unstable, it generates a clock turn-off signal; the main drive control chip transmits fixed data to each column drive control chip according to the clock turn-off signal and receives a clock training request initiated by each column drive control chip according to the fixed data; and when recognizing that the operating frequency synchronizes with a frequency corresponding to front-end data transmitted by the front-end motherboard chip, the main drive control chip responds to the clock training request and transmits clock training data to each column drive control chip.

A method and apparatus is provided for recording a program. The method includes storing, in response to a user request, at least one content file that includes first and second program segments that are spliced to form a single program. At least one index file is created and stored. The file index includes program specific information associated with the first and second program segments. The index file also includes an identification of a splice point denoting a transition between the first and second program segments. In addition, a splice index is created and stored. The splice index includes timing information specifying a time at which the splice point occurs.

Disclosed are a controlling device and method for frequency synchronization as well as a LCD TV. The method is applied to an LCD TV, wherein the LCD TV includes a front-end motherboard chip, a main drive control chip and a plurality of column drive control chips, the method includes: when the main drive control chip recognizes that its operating frequency is unstable, it generates a clock turn-off signal; the main drive control chip transmits fixed data to each column drive control chip according to the clock turn-off signal and receives a clock training request initiated by each column drive control chip according to the fixed data; and when recognizing that the operating frequency synchronizes with a frequency corresponding to front-end data transmitted by the front-end motherboard chip, the main drive control chip responds to the clock training request and transmits clock training data to each column drive control chip.

Disclosed are a controlling device and method for frequency synchronization as well as a LCD TV. The method is applied to an LCD TV, wherein the LCD TV includes a front-end motherboard chip, a main drive control chip and a plurality of column drive control chips, the method includes: when the main drive control chip recognizes that its operating frequency is unstable, it generates a clock turn-off signal; the main drive control chip transmits fixed data to each column drive control chip according to the clock turn-off signal and receives a clock training request initiated by each column drive control chip according to the fixed data; and when recognizing that the operating frequency synchronizes with a frequency corresponding to front-end data transmitted by the front-end motherboard chip, the main drive control chip responds to the clock training request and transmits clock training data to each column drive control chip.