Patent ID: 6252830
Filing Date: 2001-06-26
Classification: G11B

Abstract:
A real-time compressing and decompressing apparatus for recording and reproducing multi-soundtrack voice data comprising:a digital voice processing unit as the control center of the real-time compressing and decompressing apparatus, said digital voice processing unit providing the function of A/D conversion and D/A conversion, and real-time compressing and decompressing operations;a digital audio driver connected to said digital voice processing unit and functioned to convert the real-time decompressed digital voice to analog voice and amplify the analog voice to compensate signal attenuation, thus driving an audio output unit; and real-time compress the analog voice sent from an audio input unit to said digital voice processing unit;a voice memory unit connected to said digital voice processing unit and functioned to store the voice data compressed by said digital voice processing unit;a power and working-frequency control unit connected to said digital voice processing unit and voice memory unit, and functioned to adjust the supplied power of an external battery set and the working frequency of a computer to values suitable for said digital voice processing unit and said voice memory unit;a computer interface unit connected to said digital voice processing unit and said power and working-frequency control unit, said computer interface unit functioned to enable said digital voice processing unit and said computer to share the voice data, said computer interface unit transmitting the power of said computer to said working-frequency control unit to charge said digital voice processing unit and said voice memory unit, and charging said battery set when sharing the voice data; anda display and input control module connected to said digital voice processing unit and sequentially receiving the command from an input control unit and sending the command to said digital voice processing unit, said display and input control module receiving the command of said digital voice processing unit and interpreting each display and control command such that said audio output unit, said audio input unit, said computer and said display unit can function according to the interpreted command.