Abstract: A plurality of musical instrument is connected to a server device through a network to form a storage system. The musical instrument generates performance data, and sends the performance data to the server device every time the performance data is generated. The server device receives the performance data sent from the musical instrument. The server device has a clock unit that measures date and time, and a storage unit that stores the performance data received by the receiving unit. Further, a file generation unit of the server device divides a polarity of the performance data stored in the storage unit into blocks based on the date and time of the performance data measured by the clock unit when the performance data is received by the receiving unit, and generates performance files corresponding to the blocks of the performance data.

Abstract: A plurality of musical instrument is connected to a server device through a network to form a storage system. The musical instrument generates performance data, and sends the performance data to the server device every time the performance data is generated. The server device receives the performance data sent from the musical instrument. The server device has a clock unit that measures date and time, and a storage unit that stores the performance data received by the receiving unit. Further, a file generation unit of the server device divides a polarity of the performance data stored in the storage unit into blocks based on the date and time of the performance data measured by the clock unit when the performance data is received by the receiving unit, and generates performance files corresponding to the blocks of the performance data.

Abstract: There is provided a mixing recorder which enables the user to readily produce music using overdubbing and/or other recording techniques while suppressing degradation of sound quality to the minimum and enables the user to easily find out his/her desired mixing result from a large number of mixing results obtained in the process of mixing. An audio signal is input, and a source file is read out from a memory card and an audio signal is reproduced based on the source file. The input audio signal and the reproduced audio signal are mixed into a mixed signal, which is then stored as a new source file in the memory card. The source file stored in advance in the memory card is backed up before the new source file is stored in the memory card, and in the back-up, the source file is automatically backed up by generating a file given a new name associated with a name of a source file to be backed up and having the same contents as the contents of the source file.

Abstract: There is provided a mixing recorder which enables the user to readily produce music using overdubbing and/or other recording techniques while suppressing degradation of sound quality to the minimum and enables the user to easily find out his/her desired mixing result from a large number of mixing results obtained in the process of mixing. An audio signal is input, and a source file is read out from a memory card and an audio signal is reproduced based on the source file. The input audio signal and the reproduced audio signal are mixed into a mixed signal, which is then stored as a new source file in the memory card. The source file stored in advance in the memory card is backed up before the new source file is stored in the memory card, and in the back-up, the source file is automatically backed up by generating a file given a new name associated with a name of a source file to be backed up and having the same contents as the contents of the source file.

Abstract: The remote control device is equipped with at least one movable panel arranged rotatably to cover an operation panel having a plural number of operation keys arranged thereon, so composed as to permit manipulating the operation keys from an upper side of the movable panel and having function markings imprinted thereon, and is composed in such a manner that, when the operation panel is covered with the movable panel, a remote control transmitter is switched to the function mode displayed on the movable panel and transmits, upon operating the same keys, signals different from those sent out while the operation panel is not covered with the movable panel. The movable panel is made of a flexible material or equipped with windows formed at the positions corresponding to the operation keys, and locked when it is set at the position covering the operation panel.

Abstract: In a power supply changeover type amplifier arranged so that the voltages supplied from a plurality of power supplies to a power amplifying circuit are varied in accordance with the magnitude of level of an input signal which is to be amplified, arrangement is provided so that the plurality of power supplies having mutually equal output voltages are connected together in parallel and/or in series in accordance with the magnitude of the level of the input signal, and that the voltages resulting from the connection are supplied to the power amplifying circuit, to thereby enhance power efficiency of the amplifier and materialize its power supply section having a compact size and a light weight.