# US 7,746,407 B2 · Apparatus and method for storing data in a digital broadcasting receiver > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,746,407 B2 - Document ID: US7746407B2 - Status: Granted - Kind: B2 - Application number: 11/412,049 - Filed: 2006-04-27 - Published: 2006-11-23 - Granted: 2010-06-29 - Earliest claimed: 2005-04-28 - Assignees: LG Electronics Inc. - Inventors: Dong In Kang - Web page: https://patentgrep.com/patent/US7746407B2 ## CPC - H04H 60/27: Arrangements for recording or accumulating broadcast information or broadcast-related information - H04N 5/46: for receiving on more than one standard at will (deflecting circuits of multi-standard receivers H04N3/27) - H04N 9/8227: {the additional signal being at least another television signal} - H04N 21/4126: {The peripheral being portable, e.g. PDAs or mobile phones} - H04N 21/426: Internal components of the client {; Characteristics thereof} (H04N5/44 takes precedence) - H04N 21/4334: {Recording operations (recording of a television signal H04N5/76; arrangements for recording or accumulating broadcast information or broadcast-related information H04H60/27)} - H04N 21/440218: {by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 (conversion of standards in analogue television systems H04N7/01)} - H04N 21/440263: {by altering the spatial resolution, e.g. for displaying on a connected PDA} - H04N 21/4621: {Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen (arrangements for using the results of monitoring on user's side in broadcast systems H04H60/65; flow control in packet networks H04L47/10)} - H04N 5/765: Interface circuits between an apparatus for recording and another apparatus - H04N 5/781: on disks or drums - H04N 9/7921: {for more than one processing mode} - H04N 9/8042: {involving data reduction} - H04N 9/8205: {involving the multiplexing of an additional signal and the colour video signal} - H04H: BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Embodiments of an apparatus and a method for storing data in a digital broadcasting receiver can convert received digital TV broadcasting data into data of another format before being stored. In one embodiment, redundancy data of the digital TV broadcasting data can be generated based on the converted data of the predetermined format and stored with the converted data of the predetermined format to variably output two formats of data with the single stored data. ## Claims ### Claim 1 A method for storing received first broadcasting data in a digital broadcasting receiver, the method comprising: converting the received first broadcasting data into second data of a predetermined format different from a format of the first broadcasting data; generating third data of the first broadcasting data based on the converted second data of the predetermined format; storing the third data with the converted second data of the predetermined format; and reading the stored second data of the predetermined format and the third data, performing a decoding combination for the read data; and outputting the combined data with the first broadcasting data. ### Claim 2 (depends on 1) The method of claim 1, wherein the third data corresponds to redundancy data of the first broadcasting data. ### Claim 3 (depends on 2) The method of claim 2, the outputting comprising outputting the combined data with image data and audio data of the first broadcasting data. ### Claim 4 (depends on 3) The method of claim 3, further comprising reading the stored second data of the predetermined format and transmitting the read data to an external device connected to the digital broadcasting receiver, wherein the predetermined format is digital multimedia broadcasting format. ### Claim 5 (depends on 4) The method of claim 4, wherein the converting comprises reducing at least one of a screen size and a number of audio channels of the first broadcasting data. ### Claim 6 (depends on 1) The method of claim 1, further comprising reading the stored second data of the predetermined format and transmitting the read data to an external device connected to the digital broadcasting receiver, wherein the predetermined format is digital multimedia broadcasting format. ### Claim 7 (depends on 1) The method of claim 1, further comprising separately storing the converted second data of the predetermined format and the first broadcasting data, and wherein the predetermined format includes a digital multimedia broadcasting (DMB) format. ### Claim 8 (depends on 7) The method of claim 7, wherein the separately storing comprises separately storing the converted second data of the DMB format and the first broadcasting data in an identical storage device as separate files or in different storage devices. ### Claim 9 A method for storing received digital broadcasting data in a digital broadcasting receiver, the method comprising: converting the received digital broadcasting data into data of a predetermined format different from a format of the digital broadcasting data; and generating redundancy data of the digital broadcasting data based on the converted data of the predetermined format and storing the redundancy data together with the converted data of the predetermined format, wherein, in case of an image, the redundancy data include data obtained by coding difference data between an image estimated from a frame of the converted data of the predetermined format and an image of a corresponding frame of digital broadcasting data. ### Claim 10 (depends on 9) The method of claim 9, wherein the converting comprises reducing at least one of a screen size or a number of audio channels of the digital broadcasting data. ### Claim 11 (depends on 9) The method of claim 9, wherein the storing comprises separately storing the converted data of the predetermined format and the digital broadcasting data in an identical storage device as separate files or in different storage devices. ### Claim 12 A method for storing received digital broadcasting data in a digital broadcasting receiver, the method comprising: converting the received digital broadcasting data into data of a predetermined format different from a format of the digital broadcasting data; and generating redundancy data of the digital broadcasting data based on the converted data of the predetermined format and storing the redundancy data together with the converted data of the predetermined format, the method further comprising: reading the stored data of the predetermined format and the redundancy data, performing a decoding combination for the read data, and outputting the combined data with picture quality and speech quality of the digital broadcasting data. ### Claim 13 A digital broadcasting receiver, comprising: a receiver configured to receive the digital broadcasting data; a converter coupled to the receiver and configured to convert the received digital broadcasting data into data of a reduced quality digital multimedia broadcasting (DMB) format for a mobile terminal different from a format of the digital broadcasting data; a storage device coupled to the converter configured to store the converted data; and a controller configured to control the converted data of the predetermined format to be stored in the storage unit, wherein, in case of an image, the redundancy data include data obtained by coding difference data between an image estimated from a frame of the converted data of the DMB format and an image of a corresponding frame of the digital broadcasting data. ### Claim 14 (depends on 13) The apparatus of claim 13, wherein the DMB format has at least one of a smaller screen size and a reduced number of audio channels from the digital broadcasting data, wherein the mobile terminal is a mobile phone or a PDA, and wherein the apparatus is a personal video recorder. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein the DMB format has a 352×288 pixel image format. ### Claim 16 (depends on 13) The apparatus of claim 13, wherein the controller reads the stored data of the DMB format and transmits the read data to an external device connected through a connection unit. ### Claim 17 (depends on 13) The apparatus of claim 13, wherein the converter comprises: a decoder to extract and decode the digital broadcasting data into audio and video data for output; a downsizer to receive the audio and video data and perform and image downsizing to a reduce pixel resolution and adjust an aspect ratio thereof and perform an audio channel mixing operating to reduce the audio data to a two channel format; and an encoder to receive the audio and video data from the downsizing unit and perform an MPEG-4 encoding into the predetermined format. ### Claim 18 (depends on 17) The apparatus of claim 17, wherein the converter generates redundancy data of the digital broadcasting data based on the converted data of the DMB format, and wherein the controller controls the redundancy data to be stored in the storage device or a different storage device. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein the controller is configured to read the stored data of the predetermined format and the redundancy data, perform a decoding combination for the read data, and output the combined data with picture quality and speech quality of the digital broadcasting data.