Using Bandwidth Reduction ; Source Coding Or Decoding Of Digital Video Signal, E.g., Digital Video Signal Compression; Pre- Or Postprocessing Therefor (epo) Patents (Class 375/E7.026)

E Subclasses

Decoder-specific arrangements (epo) (Class 375/E7.027)
Involving sub-band coding (epo) (Class 375/E7.029)
Involving video objects (epo) (Class 375/E7.076)
Involving coding of different picture or data components (epo) (Class 375/E7.088)
Implementation arrangements, e.g., implementation by hardware of software (epo) (Class 375/E7.093)
Motion estimation therefor; processing of motion vectors for bandwidth reduction purposes (epo) (Class 375/E7.104)
Adaptive or control aspects therefor (epo) (Class 375/E7.126)
Compressed domain processing (epo) (Class 375/E7.187)
Involving subsampling at the transmitter and restitution of the omitted samples by interpolation (epo) (Class 375/E7.188)
Involving preprocessing or postprocessing therefor (epo) (Class 375/E7.189)
Filtering (epo) (Class 375/E7.193)
Standard related document (epo) (Class 375/E7.195)
Transcoding therefor, i.e., conversion of video data, coding parameters, syntax or the like in order to realize interoperability between different video coding standards (epo) (Class 375/E7.198)
Syntax aspects, e.g., source coding bistream syntax (epo) (Class 375/E7.199)
Using vector coding (epo) (Class 375/E7.209)
Involving pulse code modulation and predictive coding (epo) (Class 375/E7.21)
Involving transform and predictive coding , e.g., hybrid coding, motion picture experts group (mpeg) coding (epo) (Class 375/E7.211)
Involving transform coding, e.g., using discrete cosine transform (dct) (epo) (Class 375/E7.226)
Involving predictive coding (epo) (Class 375/E7.243)
Specific techniques not provided for in other subgroups of e7.026 (epo) (Class 375/E7.2)
  • Method and apparatus for processing audio signal
    Patent number: 7675977
    Abstract: Apparatus and methods for processing a signal are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. A data structure for processing a signal includes a payload part having at least one of data coding information including pilot coding information per a frame and entropy coding information. The data structure includes data coding information having information for a data coding scheme and entropy coding information having information for an entropy coding scheme and a second data part having a reference value corresponding to a plurality of data, and a difference value generated using the reference value and the data.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: March 9, 2010
    Assignee: LG Electronics Inc.
    Inventors: Hee Suk Pang, Hyen-O Oh, Dong Soo Kim, Jae Hyun Lim, Yang-Won Jung, Hyo Jin Kim
  • Audio signal processing, encoding, and decoding
    Patent number: 7672379
    Abstract: Apparatus and methods for processing signals are disclosed. A data structure for processing a signal includes a payload part having at least one of data coding information including pilot coding information per a frame and entropy coding information. The data structure includes a header part having main configuration information for the payload part. In the data structure, the main configuration information includes a first time information part having time information for entire frames and a first frequency information part having frequency information for the entire frames. The main configuration information further includes a first internal grouping information part including information for internal-grouping a group having a plurality of data per the frame.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: March 2, 2010
    Assignee: LG Electronics Inc.
    Inventors: Hee Suk Pang, Hyen O Oh, Dong Soo Kim, Jae Hyun Lim, Yang-Won Jung, Hyo Jin Kim
  • Signal processing using pilot based coding
    Patent number: 7660358
    Abstract: Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining a number of data corresponding to a pilot reference value and if a number of data bands meets a predetermined condition, obtaining the pilot reference value and a pilot difference value corresponding to the pilot reference value and obtaining the data using the pilot reference value and the pilot difference value.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: February 9, 2010
    Assignee: LG Electronics Inc.
    Inventors: Hee Suk Pang, Hyen O Oh, Dong Soo Kim, Jae Hyun Lim, Yang Won Jung, Hyo Jin Kim
  • Signal processing using pilot based coding
    Patent number: 7643562
    Abstract: Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining mode information and obtaining a pilot reference value corresponding to a plurality of data and a pilot difference value corresponding to the pilot reference value according to data attribute indicated by the mode information and obtaining the data using the pilot reference value and the pilot difference value.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: January 5, 2010
    Assignee: LG Electronics Inc.
    Inventors: Hee Suk Pang, Hyen-O Oh, Dong Soo Kim, Jae Hyun Lim, Yang-Won Jung, Hyo Jin Kim
  • Signal processing using pilot based coding
    Patent number: 7643561
    Abstract: Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining a pilot reference value corresponding to a plurality of gains and a pilot difference value corresponding to the pilot reference value; and obtaining the gain using the pilot reference value and the pilot difference value.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: January 5, 2010
    Assignee: LG Electronics Inc.
    Inventors: Hee Suk Pang, Hyen O Oh, Dong Soo Kim, Jae Hyun Lim, Yang-Won Jung, Hyo Jin Kim