Pioneer Electronic Corporation

Pioneer Corporation

Mitsuyoshi Amano

Kazuhiro Miyamoto

Masuhiro Sato

Yoshiyuki Akiba

Toshiki Nakai

Keiji Suginohara

Hironori Nagayama

Makoto Takanashi

Sampei Asai

Soichi Tanigaki

Izumi Ota

In a server-client network conference system having a conference serverand a plurality of conference terminalstothrough a networka conference data storage sectioncreates a real-time conference data fileand an index filecontaining time-of-day information and heading information while a conference proceeds. After the conference is over, edit such as voice stream merge processing, image thinning-out processing, etc., in the real-time conference data fileis performed to create a minute fileand the minute fileis managed with an index file

Minute file creation method, minute file management method, conference server, and network conference system

It is assumed that a presenter A makes an important statement at a scenein a real-time conference. Participants B and C press a chapter insertion button at times tand trespectively (steps S-and S-). A conference server turns back the time by a predetermined time from the times tand t(steps S-and S-) and sets headings (manual insertion chapters) HCPand HCPat the turned-back times (tand t). Alternatively, the conference server determines the time separator just before the time (namely, CP) and sets a heading HCPat the time (S). Accordingly, the heading is set before the scenewhere the presenter A makes an important statement.

Network conference system

In addition to a conference servera record serveris provided. The conference data of a real-time conference is stored in a storage sectionof the record server(S). A conference terminalperforms connection processing to the conference (S) and then transmits a catch-up playback request to the record server(S). The record serverdetermines whether or not catch-up playback is enabled (S) and then distributes the past conference data (S), and notifies the conference terminalthat the catch-up playback end point has come (S-). Accordingly, the connection of the conference terminalis switched to the conference server(S) and the conference terminalis connected to the real-time conference (S).

Network conference system, conference server, record server, and conference terminal

A data management device in a karaoke system which receives a first data file by a receiving unit and is stored in a rewritable memory such as a hard disk. A second data file, recorded on a recording medium such as a CD-ROM, is read out by a reading unit. A file number comparing unit then compares the file numbers of the first and second data file and a file managing unit erases the first data file if the file numbers coincide with each other. In addition, a version comparing unit compares versions of both the first and second data file. If the first data file version is older than the second data file version, then the file managing unit erases the first data file version, so as to ensure that the new version is always used. Furthermore, a detecting unit detects whether data files corresponding to targeted items are recorded in both, the rewritable memory and the recording medium. In the event that data files are recorded in both, the file managing unit erases the data file in the rewritable memory.

Data management device in a karaoke communications system

A musical sound producing device produces musical sound from MIDI data. The MIDI data includes play data for producing musical sound of plurality of tones, pitch data for designating pitch of the musical sound and pitch variable/invariable data indicating pitch variable tones and pitch invariable tones. The device includes: MIDI sound source for producing musical sound of tones designated by the play data with pitch designated by the pitch data; and pitch change circuit for changing the pitch data of only pitch variable tones specified by the pitch variable/invariable data in accordance with pitch change information.

Musical sound producing device with pitch change circuit for changing

A melody controlling apparatus is provided with: a reproducing device for reproducing first digital sound source controlling information and melody controlling information related to the first digital sound source controlling information; a memory for storing melody changing information; a melody changing device for reading the melody changing information from the memory according to the melody controlling information reproduced by the reproducing device, and changing the first digital sound source controlling information on the basis of the melody changing information to generate second digital sound source controlling information; and a digital sound source for generating music information signal from the second digital sound source controlling information.

Melody controlling apparatus for music accompaniment playing system the

In a music accompaniment playing system, MIDI (Music Instrument Digital Interface) sound source controlling data to control a MIDI sound source for generating accompaniment music information for music accompaniment playing, and display controlling data to perform a display corresponding to the MIDI sound source Controlling data, are reproduced from a record medium for music accompaniment playing. The display controlling data includes lyrics data corresponding to lyrics for music accompaniment playing, and accompaniment chord data corresponding to an accompaniment chord of the accompaniment music information. A display controlling apparatus for the music accompaniment playing system is provided with: a reading device for reading the display controlling data from the record medium; and an accompaniment chord display controlling device for generating data to display the lyrics on a display having a picture plane and to display the accompaniment chord on the picture plane at a vicinity of the displayed lyrics corresponding to the accompaniment chord, on the basis of the accompaniment chord data in the display controlling data read by the reading device.

Display controlling apparatus for music accompaniment playing system,

A karaoke system includes: reproduction unit for reproducing a MIDI sound source control information for karaoke song from a karaoke data recording medium, the MIDI sound source control information including playing time data of the karaoke songs; operation unit for inputting request of at least one desired karaoke song and karaoke playing time; calculation unit for obtaining playing time data of the requested karaoke songs and for calculating total playing time required for playing all of the requested karaoke songs; determination unit for comparing the total playing time with remaining playing time calculated on the basis of the karaoke playing time and for determining whether all of the requested songs can be played within the remaining playing time or not; and display unit for displaying a notice related to the result of the determination of the determination unit.

Karaoke system and method of managing playing time of karaoke songs

A karaoke apparatus includes: a karaoke information reproducing unit for reproducing MIDI sound source control information stored in a storage unit; a MIDI sound source control unit for producing first MIDI sound source control information and second MIDI sound source control information from the MIDI sound source control information reproduced by the karaoke information reproducing unit; a first MIDI sound source for producing first karaoke accompaniment information from the first MIDI sound source control information; a second MIDI sound source for producing second karaoke accompaniment information from the second MIDI sound source control information; and a mixing unit for mixing the first karaoke accompaniment information and second karaoke accompaniment information to output mixed karaoke accompaniment information.

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Tokyo, Japan

Mitsuyoshi Amano