Golf swing tempo measurement system
First Claim
1. A biofeedback system including an elongated member, for feeding back sounds indicative of swing tempo of the elongated member, the system comprising:
- a plurality of acceleration measuring devices adapted to measure accelerations at a plurality of locations along the elongated member;
a first microcontroller for processing the measured acceleration signals to reduce effects of gravity and forming a digital number related to an angular rotational speed raised to a power;
said digital number comprising a plurality of bits;
a second microcontroller for receiving the digital number and associating the bits with a plurality of groups each having an associated tonal composition and amplitude value indicative of bit content and for forming commands indicative of the tonal composition and amplitude value; and
a synthesizer responsive to the commands and producing an audio signal; and
means for outputting the audio signal.
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Abstract
A biofeedback system including an elongated member, for feeding back sounds indicative of swing tempo of the elongated member is provided. The system comprises a plurality of acceleration measuring devices adapted to measure accelerations at a plurality of locations along the elongated member; a first microcontroller for processing the measured acceleration signals to reduce effects of gravity and forming a digital number related to an angular rotational speed raised to a power; the digital number comprising a plurality of bits; a second microcontroller for receiving the digital number and associating the bits with a plurality of groups each having an associated tonal composition and amplitude value indicative of bit content and for forming commands indicative of the tonal composition and amplitude value; and a synthesizer responsive to commands and producing an audio signal; and an output for outputting the audio signal.
181 Citations
12 Claims
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1. A biofeedback system including an elongated member, for feeding back sounds indicative of swing tempo of the elongated member, the system comprising:
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a plurality of acceleration measuring devices adapted to measure accelerations at a plurality of locations along the elongated member;
a first microcontroller for processing the measured acceleration signals to reduce effects of gravity and forming a digital number related to an angular rotational speed raised to a power;
said digital number comprising a plurality of bits;
a second microcontroller for receiving the digital number and associating the bits with a plurality of groups each having an associated tonal composition and amplitude value indicative of bit content and for forming commands indicative of the tonal composition and amplitude value; and
a synthesizer responsive to the commands and producing an audio signal; and
means for outputting the audio signal. - View Dependent Claims (2, 9, 11)
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3. A method of feeding back synthesized sounds indicative of swing tempo of an elongated member, the method comprising the steps of:
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generating a plurality of acceleration signals indicative of the acceleration of the elongated member at different locations thereof;
processing the acceleration signals to reduce the contribution of gravity in the signals;
forming a sequence of digital samples of the processed acceleration signals, each sample comprising a plurality of bits related to an angular rotational speed raised to a power;
defining groups of the plurality of bits in a sample, each group having an associated tonal composition and amplitude value related to a group'"'"'s digital value;
generating commands for the synthesis of sounds representative of the tonal composition and amplitudes of the groups; and
feeding back synthesized sounds.
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4. A biofeedback system including an elongated member for feeding back sounds indicative of swing tempo of the elongated member, the system comprising:
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a plurality of sensors coupled to the elongated member for deriving digital signals indicative of motion of the elongated member;
means for processing the signals to reduce an effect of gravity, generating a multi-bit digital number indicative of an angular velocity raised to a power and associating the bits into a plurality of groups each having an associated tonal composition and amplitude indicative of bit content and for forming commands indicative of the tonal composition and amplitude value;
a synthesizer responsive to the commands for producing audio signals; and
means for outputting the audio signals. - View Dependent Claims (5, 10, 12)
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6. A method of feeding back sounds indicative of swing tempo of an elongated member, the method comprising the steps of:
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providing a plurality of sensors mounted along the elongated member for deriving digital signals indicative of motion of the elongated member;
processing the signals to eliminate or reduce an effect of gravity, generating a multi bit digital number indicative of the angular velocity raised to a power at at least two positions along the elongated member, and mapping the bits into a plurality of groups each having an associated tonal composition and an amplitude indicative of bit content;
synthesizing a sound signal having the tonal composition associated with a group and amplitude indicative of the bit value of the group; and
outputting the audio signal.
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7. A biofeedback system for converting motion characteristics of an elongated member into sounds, the biofeedback system comprising:
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a plurality of sensors positioned along the elongated member to capture motion parameters as multi-bit digital numbers;
a processor to map the bits of each of the numbers into a plurality of groups each having an associated tonal composition and an amplitude indicative of bit content;
a synthesizer for generating an audio signal responsive to the mapped bits; and
means for outputting the audio signal.
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8. A method for providing biofeedback signals to a user using sensors to capture motion characteristics of an elongated member, the method comprising:
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providing a plurality of sensors positioned along the elongated member for capturing motion parameters thereof as multi-bit digital numbers;
mapping the bits of each of the numbers into a plurality of groups each having an associated tonal composition and an amplitude indicative of bit content;
synthesizing a sound signal responsive to the mapped bits to produce a signal having the tonal composition associated with a group and amplitude indicative of bit content; and
outputting the signal.
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Specification