Title: Dictation system for storing and retrieving audio information

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Claims: 1. A dictation system comprising:

a. receiving means for receiving information input into said system in audio form;

b. converting means for converting information received by said receiving means in audio form to digital form;

c. first and second storage means for storing information received in audio form by said receiving means and converted to digital form by said converting means;

d. third storage means, for storing information transferred from said first and second storage means;

e. fourth storage means, being a bulk store such as a recording belt, for storing information transferred from said first and second storage means;

f. transfer means for 1) transferring information converted by said converting means alternately to said first and second storage means at a first clock rate, and 2) alternately transferring information stored in said first and second storage means out of said first and second storage means and to said third storage means at a second clock rate for immediate processing: and;

g. control means for causing information alternately transferred out of said first and second storage means by said transfer means to be transferred to said fourth storage means at said second clock rate for more permanent storage.

2. A system according to claim 1 wherein said means for transferring information alternately to said first and second storage means includes means for transferring information to an available one of said first and second storage means until the capacity thereof is reached.

3. A system according to claim 2 including determining means for determining (1) an available one of said first and second storage means, and (2) when the capacity of said first and second storage means is reached.

4. A system according to claim 3 wherein said determining means includes fifth and sixth storage means of equal capacity to said first and second storage means.

5. A system according to claim 1 including means for transferring information stored in said third storage means alternately to said first and second storage means at said second clock rate.

6. A system according to claim 5 wherein said means for transferring information stored in said third storage means to said first and second storage means includes means for transferring information to an available one of said first and second storage means until the capacity thereof is reached.

7. A system according to claim 6 including determining means for determining (1) an available one of said first and second storage means, and (2) when the capacity of said first and second storage means is reached.

8. A system according to claim 7 wherein said determining means includes fifth and sixth storage means of equal capacity to said first and second storage means.

9. A system according to claim 5 including means for alternately transferring information stored in said first and second storage means out of said first and second storage means at said first clock rate and to said converting means for converting said information to audio form from digital form.

10. A system according to claim 9 wherein said receiving means includes means for outputting information from said system in audio form.

11. A system according to claim 2 including index means for indexing information transferred from said first and second storage means to said third storage means.

12. A dictation system comprising:

a. converting means for converting information input into said system in audio form to digital form;

b. first and second storage means for storing information input in audio form and converted to digital form by said converting means;

c. third storage means for storing information transferred from said first and second storage means;

d. determining means, including forth and fifth storage means of equal capacity to said first and second storage means, for determining (1) an available one of said first and second storage means, and (2) when the capacity of said first and second storage means is reached; and

e. means for (1) transferring information converted by said converting means alternately to said first and second storage means at a first clock rate until the capacity thereof is reached, and (2) alternately tranferring information stored in said first and second storage means out of said first and second storage means and to said third storage means at a second clock rate.

13. A system according to claim 12 including means for transferring information stored in said third storage means alternately to said first and second storage means at said second clock rate.

14. A system according to claim 13 wherein said means for transferring information stored in said third storage means to said first and second storage means includes means for transferring information to an available one of said first and second storage means until the capacity thereof is reached.

15. A system according to claim 14 including receiving means for receiving information input into said system in audio form.

16. A system according to claim 14 including index means for indexing information transferred from said first and second storage means to said third storage means.

17. A system according to claim 14 including means for alternately transferring information information stored in said first and second storage means out of said first and second storage means at said first clock rate and to said converting means for converting said information to audio form from digital form.

18. A system according to claim 15 wherein said receiving means includes means for outputting information from said system in audio form.

Other info:

Inventors: Bringol, Charles Ronald (Austin, TX, US)
Lowry, Denis Earl (Austin, TX, US)
Ridings, Charles Luther (Austin, TX, US)

Application Number: 427755
Filing Date: 1973-12-26
Publication_date: 1976-02-03
Assignee: International Business Machines Corporation (Armonk, NY)
Primary Class(es): 713/600
Other Classes:
US Patent Ref:

3293612	Dec, 1966	Ling	340/172.
3293613	Dec, 1966	Gabor	340/172.
3302185	Jan, 1967	Co, Jr. et al.	340/172.
3319228	May, 1967	Apple	340/172.
3333247	Jul, 1967	Hadley et al.	340/172.
3636519	Jan, 1972	Heath	340/172.
3648255	Mar, 1972	Beausoleil et al.	340/172.
3654619	Apr, 1972	Tishman	340/172.
3654622	Apr, 1972	Beausoleil	340/172.
3662348	Jun, 1972	Weiss	340/172.
3681756	Aug, 1972	Burkhard et al.	340/172.

Other Refs:
Primary Examiner: Shaw, Gareth D.
Assistant Examiner: Vandenburg, John P.
Attorney: Barksdale, Jr.; James H.