Tone generation device and method

A technology for generating devices and tones, which can be used in instruments, electroacoustic musical instruments, etc., to solve the problems of difficult data transmission and small data volume.

Inactive Publication Date: 2004-12-08
SONY COMPUTER ENTERTAINMENT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Therefore, there is a problem that if the tone generating device is constituted using an arithmetic processing device, a main storage device, and a high-speed and wide bit-width bus provided therebetween, it is difficult for it to be effective because the amount of data to be exchanged is small. transfer data

Method used

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  • Tone generation device and method
  • Tone generation device and method

Examples

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Embodiment Construction

[0029] The arithmetic processing means (symbols 8-1 to 8-4 in Fig. 2) of the tone generator have read means (for example, Image 6 Step S3), and use the data read in by the reading device to generate a generating device for the tone (for example, Image 6 Step S4), and the reading means and the generating means together control or process n times (n is an integer greater than or equal to 2) the data of the pitch sampling period.

[0030] Fig. 2 is a block diagram of a configuration example in the case where the tone generating device is applied to a computer entertainment device. In this computer entertainment device 1, a media processor 60 constituted by an LSI chip is connected to a main CPU 57 via a main bus 55. The host interface 1 of the media processor 60 is composed of a FIFO 31 , a register 32 and a direct bus 33 , each of which is connected to the host bus 55 .

[0031] Register 32 , direct bus 33 , CPU 3 , instruction alignment cache 6 , SRAM 7 and bit converter 10...

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Abstract

A device to perform tone generation while efficently using a broad bit width bus and essentially eliminating the delay from the request for tone expression until its expression. An arithmetic processing device that generates tones reads the data all at once from a memory in which tone data is stored. This is set so that the delay time from when there is a request for tone generation until the tone is actually generated and expressed is negligible.

Description

technical field [0001] The present invention relates to a tone generating device, method, and distribution medium. More particularly the present invention relates to tone generating apparatuses, methods, and distribution media, at various stages of processing, such as reading data for tone generation from memory, processing it, and storing it again in memory. The amount of data should be such that the delay time from when a predetermined tone is requested to be expressed until it is actually expressed does not pose any problem, and it is batched in such an amount that the bus can be used efficiently. Background technique [0002] Advances in semiconductor technology have made it possible to arrange arithmetic processing devices (such as a central processing unit (CPU) or digital signal processor (DSP)) and main storage devices (such as dynamic random access memory (DRAM) or static RAM) on a single chip. (static random access memory)). Data is transferred between them via t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10H7/00
CPCG10H7/004G10H7/002
Inventor 古桥真桥本武
Owner SONY COMPUTER ENTERTAINMENT INC
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