Speech processing system

Claim 2

A speech processing system characterised by regulating means (30) for regulating an amplitude level of a speech signal at a given rate, means (60) for comparing an amplitude level of an output signal from said regulating means (30) with a predetermined amplitude level and means (40) for producing a control signal which designates a regulation rate of said regulating means (30) on the basis of the result of such comparison, the control signal being applied to said regulating means (30).

Claim 3

A speech processing system characterised by input means (10) for inputting a speech signal; regulating means (30) for regulating an amplitude level of the input speech signal from said input means (10) in accordance with a regulation rate; storing means for storing predetermined amplitude level data; comparing means (60) coupled to said regulating means and said storing means for comparing an amplitude level of output signal from said regulating means (30) with said predetermined amplitude level data in said storing means; producing means (40) for producing an information for designating said regulation rate of said regulating means on the basis of the result of comparison in said comparing means; and means for applying said information produced by said producing means (40) to said regulating means (30).

Claim 4

A speech processing system characterised by input means (10) for inputting a speech signal; regulating means (30) for regulating an amplitude level of the input speech signal from said input means (10) in accordance with a regulation rate; storing means for storing predetermined amplitude level data; comparing means (60) coupled to said regulating means and said storing means for comparing an amplitude level of output signal from said regulating means (30) with said predetermined amplitude level data in said storing means; producing means (40) for producing an information for designating said regulation rate of said regulating means on the basis of the result of comparison in said comparing means; and means for applying said information produced by said producing means (40) to said regulating means (30).

Claim 5

A speech processing system as claimed in claim 1, further comprising an analog-digital converting means (50) inserted between said regulating means (30) and said comparing means (60), said output signal of said regulating means being converted into a digital data by said analog-digital converting means and being transferred to said comparing means.

Claim 6

A speech processing system including a section regulating an amplitude level of a speech signal, characterised in that, said section comprises: means for receiving an analog speech signal; means for storing information which designates an optimal range for a digitized speech signal; converting means coupled to said receiving means for converting said analog speech signal into a digital speech signal; detecting means coupled to said storing means and said converting means for detecting whether said digital speech signal is in said optimal range or not according to said information of said storing means; and controlling means for controlling an amplitude level of a speech signal received from said receiving means on the basis of the result of detection of said detecting means.

Claim 7

A speech processing system including a section regulating an amplitude level of a speech signal, characterised in that, said section comprises: means for receiving an analog speech signal; means for storing information which designates an optimal range for a digitized speech signal; converting means coupled to said receiving means for converting said analog speech signal into a digital speech signal; detecting means coupled to said storing means and said converting means for detecting whether said digital speech signal is in said optimal range or not according to said information of said storing means; and controlling means for controlling an amplitude level of a speech signal received from said receiving means on the basis of the result of detection of said detecting means.

Claim 8

A speech processing system as claimed in claim 4, in which an amplitude level of said analog speech signal received from said receiving means is controlled by said controlling means in such a manner that the amplitude level becomes large when an amplitude level of a digital signal converted by said converting means is smaller than said optimal range, and it becomes small when the amplitude level of the digital signal is larger than said optimal range.

Claim 9

A speech processing system characterised by means for receiving a noise signal and a speech signal; means for storing a predetermined amplitude level data; producing means coupled to said receiving means and storing means for producing comparison data by adding said predetermined amplitude level data to an amplitude level data of the received noise signal; and correcting means for correcting an amplitude level of a speech signal output from said receiving means in response to a difference between said comparison data and the amplitude data of a preceding received speech signal.

Claim 10

A speech processing system characterised by means for receiving a noise signal and a speech signal; means for storing a predetermined amplitude level data; producing means coupled to said receiving means and storing means for producing comparison data by adding said predetermined amplitude level data to an amplitude level data of the received noise signal; and correcting means for correcting an amplitude level of a speech signal output from said receiving means in response to a difference between said comparison data and the amplitude data of a preceding received speech signal.