4477results about "Record carrier types" patented technology

Secure computation environments are protected from bogus or rogue load modules, executables and other data elements through use of digital signatures, seals and certificates issued by a verifying authority. A verifying authority-which may be a trusted independent third party-tests the load modules or other executables to verify that their corresponding specifications are accurate and complete, and then digitally signs the load module or other executable based on tamper resistance work factor classification. Secure computation environments with different tamper resistance work factors use different verification digital signature authentication techniques (e.g., different signature algorithms and / or signature verification keys)-allowing one tamper resistance work factor environment to protect itself against load modules from another, different tamper resistance work factor environment. Several dissimilar digital signature algorithms may be used to reduce vulnerability from algorithm compromise, and subsets of multiple digital signatures may be used to reduce the scope of any specific compromise.

Secure computation environments are protected from bogus or rogue load modules, executables and other data elements through use of digital signatures, seals and certificates issued by a verifying authority. A verifying authority-which may be a trusted independent third party-tests the load modules or other executables to verify that their corresponding specifications are accurate and complete, and then digitally signs the load module or other executable based on tamper resistance work factor classification. Secure computation environments with different tamper resistance work factors use different verification digital signature authentication techniques (e.g., different signature algorithms and / or signature verification keys)-allowing one tamper resistance work factor environment to protect itself against load modules from another, different tamper resistance work factor environment. Several dissimilar digital signature algorithms may be used to reduce vulnerability from algorithm.

A music recommendation system receives a user selection of desired music, retrieves analysis data associated with the selected music, and generates a playlist of songs based on the analysis data. The analysis data is generated based on a processing of one or more audio signals associated with the selected music. The analysis data may downloaded from a central server. If the analysis data is not available from the central server, it is generated locally at a user end, and uploaded to the central server. A plurality of user-selectable shuffling mechanisms are provided to allow the order of the songs to be shuffled according to the selected shuffling mechanism. The end user device may also receive recommendation of new music from different providers based on the analysis data of music for which the recommendation is to be based.

Methods and apparatus for providing synchronous playback of the same piece of time-based media on multiple devices connected over heterogenous channels consisting of varying degrees of delay. The preferred embodiment of the invention is a handheld music player that uses a Wi-Fi or Bluetooth communications link to enable users to share music with similar nearby players and to synchronously play back the same music different players simultaneously. Users of all players tuned into one source hear the same thing at the same time, enabling the feeling of a shared music experience. Users can also use their players to exchange profile information and text messages.

A system and method for production of customized compact discs (CD) includes compiling a collection of digital data files from source CDS, receiving customer orders and processing those customer orders by writing customer-selected digital data files onto a CD. Data files are read from the source CDs by an acquisition station and stored in a storage subsystem distributed over a number of data servers. A order input client receives and logs orders from customers. The customer orders are then processed by data servers transferring the cuistomer-selected data files to a writing station. The writing station records the data onto a destination CD. A printing station then prints content description information on the CD and jacket and also prints invoices and shipping labels.

A method, performed by software executing on the processor of a portable music playback device, that automatically files tracks according to hierarchical structure of categories to organize tracks in a logical order. A user interface is utilized to change the hierarchy, view track names, and select tracks for playback or other operations.

Screen (10) for a user interface of a television schedule system and process consists of an array (24) of irregular cells (26), which vary in length, corresponding to different television program lengths of one half hour to one-and-one half hours or more. The array is arranged as three columns (28) of one-half hour in duration, and twelve rows (30) of program listings. Some of the program listings overlap two or more of the columns (28) because of their length. Because of the widely varying length of the cells (26), if a conventional cursor used to select a cell location were to simply step from one cell to another, the result would be abrupt changes in the screen (10) as the cursor moved from a cell (26) of several hours length to an adjacent cell in the same row. An effective way of taming the motion is to assume that behind every array (24) is an underlying array of regular cells. By restricting cursor movements to the regular cells, abrupt screen changes will be avoided. With the cursor (32), the entire cell (26) is 3-D highlighted, using a conventional offset shadow (34). The offset shadow (34) is a black bar that underlines the entire cell and wraps around the right edge of the cell. To tag the underlying position-which defines where the cursor (32) is and thus, where it will move next-portions (36) of the black bar outside the current underlying position are segmented, while the current position is painted solid.

A system for structuring usage history for audiovisual materials.

A method and apparatus to improve the read / write performance of a hard drive is presented. A device having solid state, non-volatile (NV) memory is added in-line to the conventional hard drive and acts as a read / write cache. Data specified by the operating system is stored in the NV memory. The operating system provides a list of data to be put in NV memory. The data includes data to be pinned in NV memory and data that is dynamic. Pinned data persists in NV memory until the operating system commands it to be flushed. Dynamic data can be flushed by the hard drive controller. Data sent by an application for storage is temporarily stored in NV memory in data blocks until the operating system commits it to the disk.

Television schedule information transmission and utilization systems (50A-50D) transmit TV schedule data and associated network control messages provided by computer (54) as packets via the Video Blanking Interval (VBI) lines in the TV signal from various television program providers (51). This data is acquired by regional data processing systems and forwarded by the regional data processing systems to subscriber units (52) and used to construct an internal database. This intern database can be accessed by the subscriber unit (52) to display a TV schedule for the channels that are received by the user's TV.

Entertainment content complementary to a musical recording is delivered to a user's computer by means of a computer network link. The user employs a browser to access the computer network. A plug-in for the browser is able to control an audio CD or other device for playing the musical recording. A script stored on the remote computer accessed over the network is downloaded. The script synchronizes the delivery of the complementary entertainment content with the play of the musical recording.

An information storing disk including at least one system stream stored thereon. The at least one system stream includes a silent cell for defining a silent period and an audio cell for defining audio data to be reproduced after the silent period. The silent period is a period to be silent, which is from when one system stream to be reproduced among at least one system stream is determined until reproduction of an audio cell included in the one system stream is started.

According to one embodiment, there is provided a data processing method. The method includes reading management information indicative of a playback and display procedure, acquiring a content from a certain storage position at a timing determined based on the management information, and performing playback and display of the content at a timing determined based on the management information.

A failure predicting unit predicts a failure in a hard disk device that forms a disk array. A data transferring unit transfers data from a failure-predicted hard disk device for which the failure is predicted by the failure predicting unit to a spare disk. A data deleting unit deletes the data from the failure-predicted hard disk device after the data transferring unit completes transferring the data.

A video image information playback method and a video image information playback device with which user convenience can be obtained at the start of resume playback. The video image information playback method is a method of playback of a recording medium on which virtual-machine-based content has been recorded. During normal playback of the virtual-machine-based content, a program running on a virtual machine and a decryption program that decrypts encrypted virtual-machine-based content perform decryption processing for the virtual-machine-based content while exchanging data. After suspension of playback of the virtual-machine-based content, at the start of resume playback, which is executed following an instruction to resume playback, a proxy program is launched in place of the program that runs on the virtual machine. The proxy program and the decryption program perform playback of the video image of the virtual-machine-based content while exchanging data.

According to one embodiment, A nonlinear editing system comprises a video encoder, an audio compressor and an engine unit. The engine unit is adapted to synchronize the video with the first alternate video and to synchronize the audio with the first alternate audio so that, where the scene of the program includes objectionable content, either (i) the video is substituted with the first alternate video, (ii) the audio is substituted with the first alternate audio, or (iii) both the video and the audio are substituted with the first alternate video and the first alternate audio.

A system and method for generating trick play video streams, such as fast forward and fast reverse video streams, from an MPEG compressed normal play bitstream. The system receives a compressed normal play bitstream and filters the bitstream by extracting and saving only portions of the bitstream. The system preferably extracts I-frames and sequence headers, including all weighting matrices, from the MPEG bitstream and stores this information in a new file. The system then assembles or collates the filtered data into the proper order to generate a single assembled bitstream. The system also ensures that the weighting matrixes properly correspond to the respective I-frames. This produces a bitstream comprised of a plurality of sequence headers and I-frames. This assembled bitstream is MPEG-2 decoded to produce a new video sequence which comprises only one out of every X pictures of the original, uncompressed normal play bitstream. This output picture stream is then re-encoded with respective MPEG parameters desired for the trickplay stream, thus producing a trickplay stream that is a valid MPEG encoded stream, but which includes only one of every X frames. The present invention thus generates compressed trick play video streams which require reduced storage and reduced data transfer bandwidth requirements.

Methods and apparatus are provided for making an optically readable media unreadable. The method includes steps of (a) providing the media with an optically activated mechanism that degrades the reflectivity of a surface wherein information is encoded; (b) exposing the media to optical radiation for reading out the information; and, during the step of exposing, (c) initiating the operation of the optically activated mechanism. In this embodiment the step of initiating includes steps of (d) generating singlet oxygen in a layer disposed on the media; and (e) reacting the singlet oxygen with a metal-containing layer for oxidizing the surface of the metal-containing layer, thereby degrading the reflectivity of the surface. In a further aspect the optically activated mechanism causes a defocusing of a readout beam, thereby degrading reflection of the readout beam from a surface wherein information is encoded. In another embodiment the method deforms a surface of the layer resulting in readout beam aberration or in an inability to correctly stay on track. In another embodiment a portion of the surface is removed to the atmosphere, such as by evaporation of sublimation. In this embodiment a layer of the media is comprised of a volatile component and at least one other component. Removing at least some of volatile component by evaporation or sublimation causes an increase in at least one of photoabsorption or scattering or surface roughness with the remaining component, thereby rendering at least a portion of encoded information of the media unreadable, or affecting the tracking operation.

A disk drive is disclosed for receiving a Self Monitoring Analysis and Reporting Technology (SMART) command from a host computer. The disk drive comprises a plurality of configuration parameters stored in a non-volatile manner for configuring at least one system when the disk drive is powered on. The SMART command comprises a command code comprising a predetermined value for identifying the command code as a SMART command and a sub command comprising one of a plurality of predetermine values identifying one of a plurality of SMART commands selected from the group consisting of enabling SMART diagnostics, reading diagnostic data, and transmitting setup data to the disk drive. The SMART command further comprises setup data for modifying the configuration parameters.

A system, method, and article of manufacture is provided for updating content stored on a portable storage medium. Upon input of a portable storage medium into a machine by a user, the content stored on the portable storage medium is read. After reading the content of the portable storage medium, a separate storage medium is accessed and content is received therefrom. The content from the separate storage medium is an update of the content of the portable storage medium. This content of the separate storage medium is then displayed.

In the data structure of recording medium for managing sound data associated with graphic information, an interactive composition segment is provided. The interactive composition segment includes sound management information. The sound management information is associated with a graphic item and provides an identifier of a sound data in sound file, separate from a main data file, to reproduce in association with the graphic item.

A game control unit includes a computer processor for executing game logic stored on a removable memory device. Rich, audiovisual content for the interactive gaming experience is provided on a digital video disk (DVD) in small clips which are selectively played back in a standard DVD player under control of the game control unit. Specifically, the game control unit mimics standard remote control signals to control playback of the audiovisual content by the DVD player.

For an optical recording medium having a phase change type recording layer on its a substrate and having as read only area and a writable area in a recording area, a data recording method is provided which records data in the writable area. This data recording method comprises a transfer step of transferring program data recorded in the read only area in a practical form to an external computer, and an execution step (step A10) of automatically executing the program data in the external computer to record data in the writable area, which can facilitate manufacturing and reduce the possible of destruction or falsification of ROM data.

An apparatus and method for storing and playing high definition content is disclosed. This invention provides a mechanism for storing and playing back high definition content on a medium such as DVD optical disc. One aspect of the invention is that elementary streams may be multiplexed and processed in a high definition media player instead of at authoring time. Another aspect of the invention is that it provides for extended real-time features such as inserting watermarks into the content stream, decrypting selected sections of the content stream, and performing trick playback display modes.

A method of writing product servo sectors to a disk of a disk drive is disclosed. The disk comprises a plurality of spiral tracks, wherein each spiral track comprises a high frequency signal interrupted by a sync mark at a sync mark interval. The head internal to the disk drive is used to read the spiral tracks to generate a read signal. The read signal is integrated to generate a ramp signal, wherein a position error signal is generated from the ramp signal. The position error signal is used to maintain the head internal to the disk drive along a servo track while writing product servo sectors along the servo track.

A system is disclosed that provides access to a large amount of content using a traditional interface. The system has many applications, one of which is for providing access to audio / visual content. Examples of audio / visual content includes compressed digital music data and video data. In one embodiment, the system receives an indication of a first mode, accesses a first playlist for the first mode, and plays tracks according to the first playlist. In this embodiment, each mode is associated with a different attribute, each mode includes one or more playlists of tracks, and each playlist of a particular mode is based on a different value for the attribute associated with the particular mode. Examples of attributes include artist, album, genre, etc. Thus, there can be an artist mode, an album node, a genre mode, etc. For example, each playlist in the artist mode is associated with a particular artist. All tracks on a given playlist in the artist mode would be associated with the same artists.