# US 2019/0174027 A1 · Methods, systems, and media for transmitting data in a video signal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174027 A1 - Document ID: US20190174027A1 - Status: Published application - Kind: A1 - Application number: 16/251,237 - Filed: 2019-01-18 - Published: 2019-06-06 - Earliest claimed: 2016-07-18 - Assignees: Zhejiang Dahua Technology Co., Ltd. - Applicants: Zhejiang Dahua Technology Co., Ltd. - Inventors: Bingyun LV; Wei FANG; Weizhong YAO - Web page: https://patentgrep.com/patent/US20190174027A1 ## CPC - H04N 5/211: {Ghost signal cancellation (H04N23/81 takes precedence)} - H04J 13/0029: {Gold} - H04L 1/0083: {Formatting with frames or packets; Protocol or part of protocol for error control} - H04L 25/03006: {Arrangements for removing intersymbol interference} - H04L 25/03828: {Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties (partial response systems H04L25/497)} - H04N 7/083: with signal insertion during the vertical and the horizontal blanking interval {, e.g. MAC data signals} - H04N 7/088: the inserted signal being digital - H04N 19/172: the region being a picture, frame or field - H04N 19/86: involving reduction of coding artifacts, e.g. of blockiness - H04L 2025/03363: {Multilevel (H04L2025/03369 takes precedence)} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present disclosure relates to systems and methods for transmitting data in a video signal. The systems may perform the methods to generate a data frame, wherein the data frame may include at least a frame header and frame data, the frame header may include at least one autocorrelation and cross-correlation sequence; insert the data frame into an area of a video signal, wherein the inserted area of the video signal is not an area of line and field synchronization or an area of effective video; transmit the video signal having the data frame to another device. ## Claims ### Claim 1 A method implemented on at least one device each of which has at least one processor and storage, the method comprising: generating a data frame, the data frame including at least a frame header and frame data, the frame header including at least one autocorrelation and cross-correlation sequence; inserting the data frame into an area of a video signal, wherein the inserted area of the video signal is not an area of line and field synchronization or an area of effective video; transmitting the video signal having the data frame to another device. ### Claim 2 (depends on 1) The method of claim 1, wherein the data frame includes an audio signal frame. ### Claim 3 (canceled) ### Claim 4 (depends on 2) The method of claim 2, wherein an audio of the audio signal frame is modulated based on a multilevel baseband method. ### Claim 5 (depends on 2) The method of claim 2, wherein the audio signal frame is processed by a shaping filter, the shaping filter including a raised cosine shaping filter. ### Claim 6 (depends on 1) The method of claim 1, wherein the inserted area of the video signal is one of: an area between an end of a color synchronization of a video active line and a cut-off point of a line blanking area, an area between an end of the color synchronization of a blanking line and the cut-off point of a line blanking area, or an effective area of a blanking line. ### Claim 7 (depends on 1) The method of claim 1, wherein the autocorrelation and cross-correlation sequence is a Pseudo-Noise (PN) sequence or a Gold sequence. ### Claim 8 (depends on 1) The method of claim 1, wherein the data frame further comprises a frame tail, the frame tail including at least one autocorrelation and cross-correlation sequence. ### Claim 9 (depends on 8) The method of claim 8, wherein the frame tail has same content as the frame header. ### Claim 10 (depends on 1) The method of claim 1, wherein the frame data are encoded according to a spread spectrum coding method or a channel coding method. ### Claim 11 A method implemented on at least one device each of which has at least one processor and storage, the method comprising: obtaining a video signal having a data frame, wherein the data frame is inserted into an area of the video signal, the data frame including at least a frame header and frame data, the frame header including at least one autocorrelation and cross-correlation sequence; determining the frame header of the data frame; and extracting the frame data of the data frame based on the frame header of the data frame. ### Claim 12 (depends on 11) The method of claim 11, wherein the data frame includes an audio signal frame. ### Claim 13 (depends on 12) The method of claim 12, wherein the audio signal frame is non-uniform quantized according to A-law or p-law. ### Claim 14 (depends on 12) The method of claim 12, wherein an audio of the audio signal frame is modulated based on a multilevel baseband method. ### Claim 15 (depends on 11) The method of claim 11, wherein the inserted area of the video signal is one of: an area between an end of a color synchronization of a video active line and a cut-off point of a line blanking area, an area between an end of the color synchronization of a blanking line and the cut-off point of a line blanking area, or an effective area of a blanking line. ### Claim 16 (depends on 11) The method of claim 11, wherein the autocorrelation and cross-correlation sequence is a Pseudo-Noise (PN) sequence or a Gold sequence. ### Claim 17 (depends on 11) The method of claim 11, further comprising determining a frame tail, the frame tail including at least one autocorrelation and cross-correlation sequence. ### Claim 18 (depends on 17) The method of claim 17, wherein the frame tail has same content as the frame header. ### Claim 19 (depends on 18) The method of claim 18, further comprising obtaining a next data frame according to an end of the frame tail or a number of the frame data extracted from the data frame reaching a set number. ### Claim 20 (depends on 11) The method of claim 11, wherein the frame data are encoded according to a spread spectrum coding method or a channel coding method. ### Claim 21 (canceled) ### Claim 22 A system, comprising: at least one storage medium including a set of instructions for transmitting data; and at least one processor configured to communicate with the at least one storage medium, wherein when executing the set of instructions, the at least one processor is configured to cause the system to: generate a data frame, the data frame including at least a frame header and frame data, the frame header including at least one autocorrelation and cross-correlation sequence; insert the data frame into an area of a video signal, wherein the inserted area of the video signal is not an area of line and field synchronization or an area of effective video; transmit the video signal having the data frame to another device. ### Claim at position 23 23-44. (canceled)