Title :
Development of a solid state sound recorder system
Author :
Okuzawa, Kiyoshi ; Onishi, Norihisa ; Nishida, Hideharu ; Hirai, Hiroyuki ; Shinohara, Mitsuru ; Inoue, Takeo ; Tanaka, Hiroshi
Author_Institution :
Sanyo Electric Co. Ltd., Gunma, Japan
fDate :
8/1/1992 12:00:00 AM
Abstract :
A solid state sound recorder system LSI was developed for use in sound recorder equipment. The LSI used a novel audio compression algorithm and enhanced large capacity memory management to eliminate the need for magnetic tape recording. The LSI used external memory devices to store audio data. Up to 32 Mbit of DRAM (dynamic RAM) can be used, and DRAM, SRAM (static RAM), and ROM can be used individually or in a mixed format for flexibility in system design. The LSI memory control circuitry can automatically detect and bypass a faulty location in memory. The memory management circuits also ensure that there is no delay in recording and replay
Keywords :
audio recording; audio systems; large scale integration; 32 Mbit; DRAM; LSI; ROM; SRAM; audio compression algorithm; audio data; dynamic RAM; memory control circuitry; memory devices; memory management; solid state sound recorder system; static RAM; system design; Audio compression; Audio recording; DRAM chips; Large scale integration; Magnetic recording; Memory management; Random access memory; Read only memory; Read-write memory; Solid state circuits;
Journal_Title :
Consumer Electronics, IEEE Transactions on
