Signal reproducing device for reproducing voice signals

Claim 2

A signal reproducing device according to claim 1, wherein said coded data extracting means sequentially extracts gain adjustment data transferred or recorded along with coded data, and said reproduction data output means performs gain adjustment for each corresponding pattern on the basis of the gain adjustment data extracted by said coded data extracting means.

Claim 3

A signal reproducing device according to claim 1 or 2, wherein said coded data extracting means further sequentially extracts operating speed data transferred or recorded along with the coded data, and said device further comprises an oscillator, the oscillation frequency of said oscillator varying on the basis of the operating speed data extracted by said coded data extracting means and being supplied as an operating frequency to said coded data extracting means, pattern generating means, and reproduction data output means.

Claim 4

A signal reproducing device comprising: coded data extracting means for sequentially extracting a plurality of transferred or recorded coded data; a plurality of pattern generating means, each of said pattern generating means giving one of the plurality of coded data extracted by said coded data extracting means as an initial value to a recurrence equation, and for generating a pattern composed of a predetermined number of data for every initial value; and reproduction data output means for performing a predetermined operation on the respective patterns generated by said plurality of pattern generating means, and for sequentially outputting the result of said operation as reproduction data.

Claim 5

A signal reproducing device according to claim 4, wherein said coded data extracting means sequentially extracts gain adjustment data transferred or recorded along with coded data, and said reproduction data output means performs gain adjustment for each corresponding pattern on the basis of the gain adjustment data extracted by said coded data extracting means.

Claim 6

A signal reproducing device according to claim 4 or 5, wherein said coded data extracting means further sequentially extracts operating speed data transferred or recorded along with the coded data, and said device further comprises an oscillator, the oscillation frequency of said oscillator varying on the basis of the operating speed data extracted by said coded data extracting means and being supplied as an operating frequency to said coded data extracting means, pattern generating means, and reproduction data output means.

Claim 7

A signal reproducing device comprising: coded data extracting means for extracting initial value data one by one from transferred or recorded coded data, and for extracting coefficient data one by one for every extraction of a plurality of initial value data; pattern generating means for sequentially giving the initial value data extracted by said coded data extracting means as initial values to a recurrence equation, and for generating patterns each composed of a predetermined number of digital data for every initial value; reproduction data output means for sequentially outputting the patterns generated by said pattern generating means as reproduction data; and coefficient setting means for sequentially setting the coefficient data extracted by said coded data extracting means as bandwidth limiting coefficients for said reproduction data output means.

Claim 8

A signal reproducing device according to any one of the preceding claims, wherein said reproduction data constitutes a voice signal.

Claim 9

Apparatus for generating a voice signal from a plurality of predetermined data patterns, the apparatus comprising: memory means (2) for storing a plurality of multi-bit code words, each code word being associated with a respective one of said data patterns; data expansion means (4) for performing a calculation on each input code word to generate a unique data pattern therefrom, and control means (1, 3) for serially retrieving selected code words from said storing means as inputs to said data expansion means to generate a sequence of data patterns which represents a desired voice signal.

Claim 10

Apparatus according to claim 9, wherein said data expansion means performs logic operations on each input code word so as to output successive samples which collectively form the associated data pattern.