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| Number | Title | Issue Date |
| 8064322 | Adaptive high fidelity reproduction system Audio is adaptively associated with speakers, depending on the speaker configuration that is present. Each speaker it receives an audio assignment based on its individual spectral characteristics. As more speakers are added, content is adaptively associated with tha... | 11/22/2011 |
| 7764590 | Information recording medium, method and apparatus for recording and reproducing information An information recording medium includes a lead-in area and a data area for storing contents information. The lead-in area includes a first lead-in information area and a second lead-in information area. The first lead-in information area corresponds to a first play... | 07/27/2010 |
| 7480231 | Digital dubbing device A digital dubbing device that compresses and stores music data for each sound unit includes a music data counter that counts the number of samples of music data when the music data is to be compressed, and detects a music data stream located in the end part of the s... | 01/20/2009 |
| RE39811 | Musical information recording and reproducing technique for use with a recording medium having a UTOC area There is generated a rhythm corresponding to a designated tempo and meter of a music piece to be recorded. Performance of a musical instrument is started at specific timing according to the generated rhythm, and the musical information resulting from the performance... | 09/04/2007 |
| 7190646 | Apparatus for and method of recording and reproducing information An information recording and reproducing apparatus (S) is provided with: a first reproducing device (11) for reproducing audio information from a first information record medium (DK), in which the audio information is recorded; a recording device (28) ... | 03/13/2007 |
| 7184380 | Reproducing device, reproducing method and audio data storage medium In order to provide an audio device capable of making more effective use of non-compressed audio data and compressed audio data, according to the present invention, compressed audio data as computer data is stored in a data track in a Mixed-mode CD. By allowing a pl... | 02/27/2007 |
| 7023789 | Playback device and storage medium for selective storage of data as a function of data compression method A playback device and a storage medium for storing audio data make it possible to increase the audio data volume that may be stored on such a storage medium without increasing the data density. To this end, the audio data compressed according to at least one compres... | 04/04/2006 |
| 6958959 | Apparatus for reproducing information based on the type of compression method used in compressing the information An information reproducing apparatus which reads compressed information recorded on a recording medium by one of a plurality of different compression methods, writes the compressed information read into a memory, supplies the compressed information in the memory, to... | 10/25/2005 |
| 6885626 | Information recording/reproducing apparatus An information recording/reproducing apparatus which allows freer utilization of data compressed under different data compression schemes. When data recorded on a magneto-optical disc of an MD under the ATRAC compression scheme is converted into that of the ATRAC3 c... | 04/26/2005 |
| 6816444 | Method and apparatus for digital information processing A content access method and apparatus includes decompressing an input stream read from a storage medium to produce an output signal. The output signal is then multiplexed with timing information different from the timing information contained in the input stream. | 11/09/2004 |
| 6801489 | Apparatus for reproducing information An information reproducing apparatus in which the compressed information read from a disc is written to the memory, the written compressed information is read out in the order of writing and is supplied to an expansion device to obtain reproduced information. Writin... | 10/05/2004 |
| 6792198 | Method and apparatus for recording digital data streams and management information Method and apparatus for recording digital data transport stream units such as application packets in sectors of a disk type recording medium such as a digital versatile disk and create and record management information for the recorded transport stream units. In ca... | 09/14/2004 |
| 6687205 | Parallel coded spread spectrum communication for data storage Presently, almost all commercially available data storage systems use saturation recording and binary signaling schemes. Earlier data channels for storage systems utilized various forms of bit by bit peak detection. More recently, various forms of PRML (p... | 02/03/2004 |
| 6665784 | Method for writing and reading data to and from a compact disc media A method for writing a file of data to a compact disc media is provided. The method begins by receiving a first portion of the file for writing to the compact disc media. The first portion can be any portion of the file. Once received, the first portion i... | 12/16/2003 |
| 6654317 | Method and apparatus for reproducing information A method for reproducing information, comprising the steps of: reading compressed audio data from an information recording medium in which the compressed audio data is recorded in a frame unit; and subjecting the compressed audio data thus read to an expa... | 11/25/2003 |
| 6643240 | Method of adjusting the drive speed of a CD drive The speed of a CD drive that is coupled to a host can be adjusted by the steps of receiving a command from the host, calculating the processing speed required by the host for executing the received command, and adjusting the processing speed of the CD dri... | 11/04/2003 |
| 6606287 | Method and apparatus for compression rate selection The present invention provides a method and apparatus for compression rate selection. One embodiment of the present invention automatically selects a compression rate for a media signal. The embodiment determines an optimal compression rate for a media si... | 08/12/2003 |
| 6453073 | Method for transferring and displaying compressed images An image of certain resolution higher than possible in a single transmission over a finite bandwidth channel is obtained by transferring a progressively-rendered, compressed image. Initially, a low quality image is compressed and transmitted over a finite... | 09/17/2002 |
| 6445654 | Recording/reproducing method and device with supplementary data storage and output In a DVD video player with a built-in CD-R drive, until it reaches the state that the data of an optical disk can be reproduced, the output is switched into the reproduction output from a flash memory, a record medium that is quick to start reading. This ... | 09/03/2002 |
| 6339568 | Data recording and reproducing technique for multi-layered optical disk system using different compression techniques A data recording and reproducing method for an optical disk data storage system to record data compressed at different data compression rate according to an operator's specification, and to reproduce the recorded data by decompressing. According to the op... | 01/15/2002 |
| 6292449 | Optical disk apparatus A disk is rotated by a spindle motor. The spindle motor is controlled such that the disk is rotated at a constant linear velocity (CLV) against a recording head. A signal read by a reproducing head is stored in a time-axis expansion and compression memory... | 09/18/2001 |
| 6215754 | High capacity compact disk player A CD player, including a CD drive, which receives a CD and reads compressed digital audio data recorded thereon, and an integrated circuit chip, which decompresses the compressed data and produces a non-compressed audio output. Preferably, the data are co... | 04/10/2001 |
| 6205097 | Method of enhanced data compression rate for a CD player A method of enhanced data compression rate for a CD player includes the steps of determining whether a skip is detected and setting a timer to a predetermined skip time-out period if a skip is detected. The method also includes the steps of determining wh... | 03/20/2001 |
| 6111709 | Digital recorder with seamless punch-out A system and method for playing and recording digital media such as digital audio. The system allows for seamless punch-out (exiting record mode) during a recording session by continuing to transfer playback data for a sequence from the mass storage to a ... | 08/29/2000 |
| 6111844 | Quality degradation through compression/decompression A method for recording media content onto a storage device, such as a compact disk, in which a master version of a media content is first compressed, then decompressed prior to recording the compressed-decompressed media content onto the storage device.... | 08/29/2000 |
| 5974022 | Dividing marks in optical media to decrease adjacent track crosstalk The present invention includes a method and apparatus for reducing the signal amplitude in long marks which are written into optical disks. When forming a long mark, an increased signal amplitude is typically caused by the blooming toward the end of the m... | 10/26/1999 |
| 5959944 | System and method for production of customized compact discs on demand A system and method for production of customized compact discs on demand includes acquisition means for acquiring audio data from a plurality of commercial-quality CDs and converting the audio data to digital format; mass storage means, coupled to the acq... | 09/28/1999 |
| 5936926 | Variable transfer rate data reproduction apparatus A variable transfer rate data reproduction system is provided which performs a reproduction operation and a reproduction inhibit operation cyclically to reproduce data recorded on a recording disc. A pickup traces a spiral track formed on the recording di... | 08/10/1999 |
| 5687158 | Optical disk recording and reproducing apparatus for compressed signals An optical disc recording/reproducing apparatus capable of performing the operation of recording, reproducing, or recording and reproducing a plurality channel of signals efficiently and in a short time, by controlling memories. The apparatus has a compre... | 11/11/1997 |
| 5661706 | Recording and reproducing apparatus and recording and reproducing method providing real time editing while data is being input An editing can be made in real time while data is being input. A recording and reproducing method comprises a first processing step for reading out first information (D1) on a recording medium (D) and storing the first information (D1) thus read out in a ... | 08/26/1997 |
| 5617386 | CD player for reproducing signals from CD-OK and video CD A CD player for reproducing signals stored on CD-OK and video compact disks (VCD) includes a first controller for controlling CD-OK reproduction; a second controller for outputting audio and video data for CD-OK reproduction and a control signal for VCD r... | 04/01/1997 |
| 5602811 | Musical information recording and reproducing technique for use with a recording medium having a UTOC area There is generated a rhythm corresponding to a designated tempo and meter of a music piece to be recorded. Performance of a musical instrument is started at specific timing according to the generated rhythm, and the musical information resulting from the ... | 02/11/1997 |
| 5586093 | Recording device capable of reading out data from a disk for editing and recording back to the disk In the editing mode where data is read out from a disk for a desired editing process and the thus-edited data is recorded back onto the disk, the data readout from and recording onto the disk are performed alternately. At storage locations of a memory pre... | 12/17/1996 |
| 5555229 | Method and arrangement for recording/reproducing compressed program information on a recording medium containing a plurality of programs Pieces of leading compressed information, each of which corresponds to a predetermined number of blocks of each of a plurality of programs recorded on an optical disk, are successively read therefrom, and stored in a buffer memory in a compressed state as... | 09/10/1996 |
| 5546369 | Optical disk system for recording and reproducing a mini disk and standard compact discs In an optical disk recording and reproducing apparatus, audio data compressed in MD format can be recorded on a CD-sized optical disk and can be reproduced from both mini disks and compact disks. A disk for reproducing, in which audio data compressed in M... | 08/13/1996 |
| 5384763 | Signal compression recording and reproducing method Disclosed is a signal compression recording and reproducing method for cases wherein signals of similar frequency ranges occur sequentially. The method compresses a signal to record it without conversion into digital data, and then to reproduce the thus-c... | 01/24/1995 |
| 5363364 | Audio data recording/reproducing apparatus having digital high-speed dubbing function A disc recording/reproducing apparatus according to the present invention intermittently records and reproduces compressed digital audio data in normal recording/reproduction. In high-speed dubbing of digital audio data, two of such apparatuses are used, ... | 11/08/1994 |
| 5343452 | Data recording/reproducing apparatus of simultaneously performing both reproducing and recording from and in a single recording medium A data recording/reproducing apparatus uses a single recording medium in which absolute address data are previously formed. Also, the data recording/reproducing apparatus has a first memory for recording and a second memory for reproducing. Audio data rep... | 08/30/1994 |
| 5337295 | Digital audio signal reproducing apparatus A digital audio signal reproducing apparatus is adapted for reproducing digital audio data at a constant data rate by reading digital audio signals recorded on a recording medium after bit compression, in which the compressed data are read out from the re... | 08/09/1994 |
| 5323367 | Reproduction or recording device having a pause function A disc recorder containing a compressed data memory for storing compressed audio data to be recorded to a disc or reproduced from a disc. When a reduction pause state is set during reproduction operation, reading out of data from a compressed data memory ... | 06/21/1994 |
