Hand held telephone set and audio processing method
First Claim
1. A hand held telephone set to be used by connecting at least an earphone, said hand held telephone set characterized by comprising:
- a telephone set main body unit;
detecting means for detecting which of a both-ear mount type earphone and a single-ear mount type earphone is mounted to said telephone set main body unit;
an amplifier for amplifying an ambient sound and delivering the sound to said earphone; and
a control device for adjusting a signal level of the ambient sound output from said amplifier according to an output of said detection means.
1 Assignment
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Accused Products
Abstract
To automatically set an optimal signal level of an ambient sound according to earphone type even in the case where either of both-ear mount type and single-ear mount type earphones is mounted to a telephone set main body unit, and to recognize the ambient sound even in the case where a stereo headphone almost covering ears is used.
A hand held telephone set used by connecting a both-ear mount type or single-ear mount type earphone or thereto is provided with: a telephone set main body unit; detection means for detecting which of these earphones and is mounted to the telephone set main body unit; an amplifier for amplifying an ambient sound to be delivered to these earphones and; and a control device for controlling a signal level of the ambient sound output from this amplifier according to an output of the detection means. When either of these earphones and is mounted, the control device controls the signal level of the ambient sound output from the amplifier to be fed back according to an output of the detection means.
36 Citations
11 Claims
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1. A hand held telephone set to be used by connecting at least an earphone, said hand held telephone set characterized by comprising:
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a telephone set main body unit;
detecting means for detecting which of a both-ear mount type earphone and a single-ear mount type earphone is mounted to said telephone set main body unit;
an amplifier for amplifying an ambient sound and delivering the sound to said earphone; and
a control device for adjusting a signal level of the ambient sound output from said amplifier according to an output of said detection means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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- 8. An audio processing method in a hand held telephone set to be used by connecting an earphone to a telephone set main body unit, said audio processing method characterized in that, previously which of a both-ear mount type earphone and a single-ear mount type earphone is mounted to said telephone set main body unit is detected, when the ambient sound is superposed on said earphone, the signal level of the ambient sound is adjusted according to said earphone type.
Specification