摘要:
An idle time communication device in which communication windows are created during the transmission of broadcast data from a center unit to a user's home device, the windows being designated to augment the data transmission function by enabling one-to-one bidirectional communication between the center and the user's home. The invention assumes the prior existence of a communication device for the transmission of broadcast data from the independent center through the telephone network to the user's home and achieves its object of one-to-one bidirectional communication between the center and the user's home through the use of packet communication which is carried out during the idle time on the telephone network, which connects the switching system of the local telephone exchange with the telephone in the user's home. The invention enables both the transmission of download data from a control unit to a specified terminal and the transmission of upload data from a specified terminal to a control unit without confusion between terminals in either case. This enables, for example, (a) a control device to transmit download data to a specified terminal and for the due arrival of the download data to be confirmed at the center by the return of upload data from the terminal, (b) the center to receive music requests and instructions in the form of upload data from a terminal, and (c) the creation of a protocol that will enable error-free communication to be carried out between the control device and terminal.
摘要:
The invention provides an indication for a karaoke singer of that music in the karaoke music library which would be best suited to the singer's own vocal characteristics. For the purpose of providing this indication, the singer's voice signals are first of all sampled at suitable intervals and the sample waveforms converted into specimens made up of digital values. A body of data relating to vocal characteristics is at the same time stored in the device, each item of said data being assigned its own code. When the above specimens are input, they are compared with the stored data by an evaluation means which then identifies the items of data that resemble each other most closely. The codes which are incorporated into the data items so identified are then treated as retrieval items and any library data with a matching code for each of a plurality of pieces of music is duly retrieved and the music with the matching code is extracted.
摘要:
The purpose of the invention is to ensure that when digitally coded music is being reproduced as audio signals and lyrics are being displayed on a screen that the progress of the two operations is synchronized.To this end music reproduction data is processed for reproduction in accordance with division values calculated on the basis of tempo data contained in the said music reproduction data while synchronization with the current position in the lyrics, which are displayed on a visual display unit, is advanced in accordance with values derived through multiplication of the aforementioned division values by a constant factor, thereby ensuring the synchronization of the reproduction of the music and the display of the current lyric position on the visual display unit.
摘要:
The invention prevents unauthorized use of data in communications. When terminals with different data transmission rates are simultaneously connected to a host computer, the host computer sets a single common data communication rate to all the terminals to assure synchronization. The host computer is connected each terminal via communications network. The host computer sends a data body to each terminal over a unidirectional communications link in a cyclic manner while a bidirectional communications link is established between the host computer and each terminal. Response to an individual request from each terminal, the host computer downloads descrambling data for descrambling and a loader program for executing the data body. The host computer determines from among the terminals, any terminal having a communications means that sets the lowest data transmission rate, and sets the data transmission rates of the terminals simultaneously connected thereto to the lowest rate.
摘要:
A system for the transmission and reception of data by telephone line, the system making use of the idle time on the telephone line, which connects the switching system of a telephone exchange with the telephone in a user's home, to transmit signals by way of the telephone line from a center independent of the telephone exchange to the user's home. The center includes a data base for storing a plurality of items of compound data, each item consisting of a specified number of interrelated data groups, and a transmission unit which accesses the database, reads data groups in order from an item of compound data, converts the resultant digital signals to analog form and outputs the analog signals to the telephone line. The user's home includes a receiver, which converts analog signals received from the telephone line to digital form, and when the specified number of data groups have all been input, outputs each of the data groups simultaneously, and a specified number of terminals which operate in accordance with the data groups received from the receiver.
摘要:
The invention is designed to provide a clear indication, for karaoke purposes, of the point at which a piece of music starts to build to a climax. To this end, the invention first relates warning period data, which is inserted in advance of the climax start position, to the music data and stores it in memory. This warning period data is subsequently read out and matched with the music data for input to a counter, which initiates a count immediately on receipt. At the same time, the warning period is divided into equal warning time intervals, the countdown of which provides a basis for the output of a message advising the user of how long remains before the climax start position.
摘要:
A system for automatically billing information services in conjunction with utilities services. The system includes a main unit having a host computer with a database for storing data of various types, and a transceiver for radio communications. The system also includes a plurality of terminal units for receiving said data of various types. In operation, the main unit transmits data tagged with a unique data identification code, and each of the plurality of terminal units is provided with a utilization status counter for storing data identification codes of data actually executed. Each terminal unit then calculates service fee based on the stored data identification codes in the utilization status counter referring to fee conversion data which the main unit transmits at regular intervals. Service fee information is sent to a fee conversion adaptor connected to said terminal unit, and a signal provided from the adaptor is used to control the integrating meter which indicates the rate of usage of a public utility.
摘要:
The invention relates to a technique whereby karaoke music and lyrics, which have been digitalized with the help of MIDI data, are transmitted by public telephone line for reproduction on a terminal unit. Associated dynamic images are, on account of the volume of data required, stored independently of the music and lyric data within the terminal unit itself and retrieved and extracted with the help of codes which are written into the data in advance. The dynamic images and the lyrics are finally mixed and output to a visual display medium.
摘要:
Conventional karaoke devices simply show lyrics on screen. This invention displays not only lyrics but also data useful for the enhancement of the singer's presentation such as the strength of the vocals and the pitch. More precisely, vocal data, which indicates the special requisites of a specific vocal rendition such as its strength and pitch, and the current lyric position indicator, which marks the current position in the lyrics, are correlated with the music data to which they correspond and then stored in memory. The said vocal data and current lyric position data are then read out of memory and each block of vocal data is displayed on the screen of a visual display medium a little in advance of the music to which it corresponds while the current lyric position within said block of vocal data is indicated in time with the music. Moreover, the strength and basic frequency of an actual vocal rendition can be detected and compared with the stored vocal data.
摘要:
Data for reproducing music and displaying words are composed of binary-coded digital signals. Such signals are down-loaded via a public communication line, or data corresponding to a plurality of musical pieces or songs are previously stored in an apparatus, and the stored data are selectively processed by a CPU. In the instrumental music data, trigger signals are existent for progression of processing the words data, whereby the reproduction of music and the display of words are linked to each other. The music thus reproduced is utilized as background music or for enabling the user to sing to the accompaniment thereof while watching the words displayed synchronously with such music reproduction.