System, method and device for auditory representation of rhythmical parameters
OwnerHeinrich Zimmermanninventor
Life of this patent
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Abstract
An auditory representation method is used to generate an audible signal which characterizes the instantaneous value of a rhythmical parameter such as the pulse of a human patient. A periodic signal (15) from a sensor (10) is standardized by a pulse detector (20) to generate a shaped pulse sequence (25) which is inputted to a pulse interval decoder (30). The pulse interval decode (30) generates a pulse interval length signal (35) which represents the current pulse interval length at any one time. An audio signal generator (40) then produces an audible signal having characteristics such as frequency (pitch) which characterize the current pulse interval length. A system and device for carrying out the method are also described.
Claims15
Method of representing as variations in an audible tone, variations in rhythmical parameter information from a system under analysis, the method comprising:
- a first step of deriving from said system under analysis one or more input signals (15, 16) representing said rhythmical parameter information and,
- a second step of generating a sequence of standardized pulse signals (25, 26) from the or each input signal (15, 16),
- the method being characterized by
- a third step of, upon the generation of each standardized pulse signal in a first of said one or more sequences of standardized pulse signals (25, 26), determining a pulse interval (T, T1) between the said each standardized pulse signal and a previously generated standardized pulse signal, and outputting a pulse interval signal (35) representing the length of the said each determined pulse interval (T, T1), and
- a fourth step of generating an audible signal having one or more audible characteristics determined as a predetermined function of the pulse interval signal (35).
System for representing variations in rhythmical parameter information as variations in an audible tone, the system comprising:
- at least one input means (10, 11) for inputting one or more input signals (15, 16) representing said rhythmical parameter information and,
- pulse signal generating means (20, 21) for generating a sequence of standardized pulse signals (25, 26) from the or each input signal (15, 16),
- the system being characterized by
- pulse interval detection means (30, 31) for receiving the or each said sequence of standardized pulse signals (25, 26) and, upon receipt of a received pulse signal in said the or each received sequence of pulse signals (25, 26), determining a pulse interval (T, T1) between the said received pulse signal and a previously received pulse signal, and outputting a pulse interval signal (35) representing the length of the said each determined pulse interval (T, T1), and
- audible signal generation means (40, 50) for generating, from the pulse interval signal (T, T1) output by the pulse interval detection means (30, 31), an audible signal having one or more audible characteristics determined as a predetermined function of the pulse interval signal (35).
Device for converting rhythmical parameter information into an audible tone, said device comprising:
- at least one input, the or each input being for receiving an input signal (15, 16) representing rhythmical parameter information to be converted into said audible tone,
- a pulse signal generator (20, 21) for generating a sequence of standardized pulse signals (25, 26) from the said at least one input signal (15, 16),
- the device being characterized by
- a pulse interval detector (30, 31) for receiving the or each said sequence of standardize pulse signals (25, 26) generated by the pulse signal generator (20, 21) and, upon receipt of a pulse signal in the or each received sequence of pulse signals (25, 26), determining a pulse interval (T, T1) between the said received pulse signal and a previously received pulse signal, and outputting a pulse interval signal (35) representing the length of the said each determined pulse interval (T, T1), and
- audible signal generator (40, 50) for generating, from the pulse interval signal (35) output by the pulse interval detector (30, 31), an audible signal having one or more audible characteristics determined as a predetermined function of the pulse interval signal (35).
Dependencies are inferred from the claim text.