Musical personal trainer
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Abstract
Systems and methods for sonification, user influence through sound, and biofeedback, sonification of motion and physiological parameters during physical exercise and the use of music and sound in order to influence the emotional, psychological and physiological state of an exerciser, and the use of sonification and influence in a feedback loop to create a particular exercise experience for a user. A digital music player comprises physiological sensors, a controller, a user interface, a music decoder, a music playback modulator, and an audio data store. The user interface allows a user to specify target values for the physiological sensors as a function of time, the controller selects a playlist of audio data based on the target values, the music decoder decodes the audio data in a sequence corresponding to the playlist, and the music playback modulator causes the sequence and/or the decoding to be modified according to the values of the physiological sensor.
173 Citations
7 Claims
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1-2. -2. (canceled)
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3. A method of sonifying affinity between points of a set of digital data, comprising the steps of:
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defining a relevance or affinity metric and associated affinity graph on the points of said set of digital data;
computing associated diffusion mapping and applying said associated diffusion mapping to embed said set of digital data into a low-dimensional Euclidean space such that a geometric distance between mapped points of said set of digital data is substantially similar to a diffusion distance between unmapped points of said set of digital data; and
associating a synthetic sounds to said mapped points of said set of digital data so that a perceptual auditory distance between said mapped points of said set of digital data corresponds to said geometric distance between said mapped points of said set of digital data. - View Dependent Claims (4, 5)
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6. An interactive digital musical synthesizer enabling biofeedback, comprising:
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a physiological sensor or array of physiological sensors;
a controller;
a user interface for allowing a user to specify target auditory responses for physiological sensor parameters;
a music decoder or player; and
a music synthesizer for generating sound to be played by said music decoder or player by sonifying digital physiological states of a user by;
measuring time-series readings of a plurality physiological sensors comprising at least one of the following;
heart rate monitor, blood pressure sensor, pulse-ox sensor, temperature sensor, or accelerometer;
organizing said time series readings into said set of digital data and defining a notion of affinity or similarity among said time-series readings;
defining a relevance or affinity metric and associated affinity graph on the points of said set of digital data;
computing associated diffusion mapping and applying said associated diffusion mapping to embed said set of digital data into a low-dimensional Euclidean space such that a geometric distance between mapped points of said set of digital data is substantially similar to a diffusion distance between unmapped points of said set of digital data; and
associating said sound to said mapped points of said set of digital data so that a perceptual auditory distance between said mapped points of said set of digital data corresponds to said geometric distance between said mapped points of said set of digital data; and
wherein said user responds to said sound, thereby affecting said physiological sensor parameters of said user in a biofeedback loop.
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7. A method enabling biofeedback while a user continues to listen to a selected audio content, comprising the steps of:
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selecting an audio stream from multimedia content by said user, said multimedia content comprises at least one of the following;
music, news reports, narrated books, print media, radio and Internet audio streams, video, and television programs;
deriving a synthesized audio stream by sonifying physiological sensors and part of a biofeedback loop by;
measuring time-series readings of a plurality physiological sensors comprising at least one of the following;
heart rate monitor, blood pressure sensor, pulse-ox sensor, temperature sensor, or accelerometer;
organizing said time series readings into said set of digital data and defining a notion of affinity or similarity among said time-series readings;
defining a relevance or affinity metric and associated affinity graph on the points of said set of digital data;
computing associated diffusion mapping and applying said associated diffusion mapping to embed said set of digital data into a low-dimensional Euclidean space such that a geometric distance between mapped points of said set of digital data is substantially similar to a diffusion distance between unmapped points of said set of digital data; and
associating said synthesized audio stream to said mapped points of said set of digital data so that a perceptual auditory distance between said mapped points of said set of digital data corresponds to said geometric distance between said mapped points of said set of digital data; and
wherein said user responds to said synthesized audio stream, thereby affecting said physiological sensor parameters of said user in a biofeedback loop; and
superimposing said synthesized audio stream onto said user-selected audio stream at a level selected by said user such that said user'"'"'s perception and comprehension of both streams are not affected.
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Specification