System and method for facilitating listening
First Claim
Patent Images
1. An integrated circuit being operably disposed between a plurality of audio sources and a signal processing circuit, the integrated circuit comprising:
- a magnetic field sensor;
a magnetic field threshold comparator and a magnetic field threshold value, the magnetic field threshold comparator being operably coupled to the magnetic field sensor and the magnetic field threshold value; and
, a gate being operably responsive to the magnetic field threshold comparator, the gate including a plurality of gate inputs and a gate output, the plurality of gate inputs being operably coupled to the plurality of audio sources, and the gate output being operably coupled to the signal processing circuit, wherein one of the plurality of audio sources is selected to be presented to the signal processing circuit in response to the magnetic field threshold comparator output.
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Abstract
A system and method for assisting listening wherein an integrated circuit selects one or more audio sources from among a plurality audio sources to be presented to a signal processing circuit. Selection of the audio source can be automatically executed in response to detection of an external magnetic field, such as from a telephone handset, or manually controlled by a user input.
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Citations
32 Claims
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1. An integrated circuit being operably disposed between a plurality of audio sources and a signal processing circuit, the integrated circuit comprising:
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a magnetic field sensor;
a magnetic field threshold comparator and a magnetic field threshold value, the magnetic field threshold comparator being operably coupled to the magnetic field sensor and the magnetic field threshold value; and
,a gate being operably responsive to the magnetic field threshold comparator, the gate including a plurality of gate inputs and a gate output, the plurality of gate inputs being operably coupled to the plurality of audio sources, and the gate output being operably coupled to the signal processing circuit, wherein one of the plurality of audio sources is selected to be presented to the signal processing circuit in response to the magnetic field threshold comparator output. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 20)
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11. For an assisted-listening device having an integrated circuit based magnetic field sensor and gate selector, a method for facilitating listening comprising the steps of:
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providing a magnetic field threshold level;
receiving a magnetic field input level;
comparing the magnetic field threshold level to the magnetic field input level; and
, selecting one of the plurality of audio sources to be presented to a signal processing circuit in response to the comparison of the magnetic field threshold level and the magnetic field input level. - View Dependent Claims (12, 13)
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14. An integrated circuit being operably connected between a plurality of audio sources and a signal processing circuit, the integrated circuit comprising:
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a sensor for detecting an external magnetic field presence; and
,a gate being operably responsive to the sensor, the gate including a plurality of inputs and a gate output, the plurality of gate inputs being operably coupled to the plurality of audio sources, the gate output being at least one of the plurality of audio source signals to be presented to the signal processing circuit in response to the sensor detecting the presence of the external magnetic field. - View Dependent Claims (15, 16, 17, 18, 19, 21, 22, 23)
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24. An integrated circuit comprising:
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a sensor for detecting an external magnetic field presence;
a magnetic field threshold value; and
,a magnetic field threshold comparator including a first input operably coupled to the magnetic field threshold value and a second input operably coupled to the sensor, the magnetic field threshold comparator further including an output being operably coupled to a signal processing circuit, the output comprising a first signal and a second signal, the output being determined in response to the comparison of the sensed external magnetic field and the magnetic field threshold value wherein the first signal is presented to the signal processing circuit when the magnetic field threshold value exceeds the sensed external magnetic field and the second signal is presented to the signal processing circuit when the sensed external magnetic field exceeds the magnetic field threshold value. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32)
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Specification