Portable sound reproducing system and method
First Claim
Patent Images
1. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
- a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input;
a non-removable data storage to store compressed digitized audio data;
a display;
an audio output;
at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the non-removable data storage for reproduction by the audio output and to provide information to the display;
a battery; and
wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides the first selection'"'"'s title;
wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances to another selection of compressed digitized audio data;
wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data;
wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data;
wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the non-removable data storage in a random order;
wherein the selection of the reverse input occurs after the selection of the random input occurs; and
wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery.
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Accused Products
Abstract
A portable audio device suitable for reproducing MPEG encoded data includes a plurality of inputs, a data storage, a display, an audio output, at least one processor, and a battery. The plurality of inputs includes a forward input, a play control input, and a random input. The data storage stores compressed digitized audio data. The at least one processor is responsive to selection of at least one of the plurality of inputs to convert selected compressed digitized audio data stored in the data storage for reproduction by the audio output and to provide information to the display.
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Citations
40 Claims
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1. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
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a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input; a non-removable data storage to store compressed digitized audio data; a display; an audio output; at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the non-removable data storage for reproduction by the audio output and to provide information to the display; a battery; and wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides the first selection'"'"'s title; wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances to another selection of compressed digitized audio data; wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data; wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data; wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the non-removable data storage in a random order; wherein the selection of the reverse input occurs after the selection of the random input occurs; and wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
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a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input; a data storage to store compressed digitized audio data; a display; an audio output; at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the data storage for reproduction by the audio output and to provide information to the display; a battery; and wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides at least one of the first selection'"'"'s title or type; wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances forward to another selection of compressed digitized audio data; wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data; wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data; wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the data storage in a random order; wherein the selection of the reverse input occurs after the selection of the random input occurs; and wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
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a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input; a non-removable data storage to store compressed digitized audio data; a display; an audio output; at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the non-removable data storage for reproduction by the audio output and to provide information to the display; a battery; and wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides the first selection'"'"'s title; wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances to another selection of compressed digitized audio data wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the non-removable data storage in a random order; wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery; wherein when the portable audio device stops playing the fourth selection of compressed digitized audio data in response to selection of the play control input, a subsequent selection of the play control input causes the portable audio device to begin reproducing the fourth selection of compressed digitized audio data and wherein the first and second times are less than approximately 1 second and the third and fourth times are greater than 1 second.
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37. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
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a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input; a data storage to store compressed digitized audio data; a display; an audio output; at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the data storage for reproduction by the audio output and to provide information to the display; a battery; and wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides at least one of the first selection'"'"'s title or type; wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances forward to another selection of compressed digitized audio data wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the data storage in a random order; wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery; wherein the first and second times are less than 1 second and the third and fourth times are greater than approximately 1 second.
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38. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
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a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input; a data storage to store compressed digitized audio data; a display; an audio output; at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the data storage for reproduction by the audio output and to provide information to the display; a battery; and wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides at least one of the first selection'"'"'s title or type; wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances forward to another selection of compressed digitized audio data wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data; wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data; wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the data storage in a random order; wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery; and wherein in response to further selection of the random input, the portable audio device ceases reproducing the selections of the compressed digitized audio data in the random order.
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39. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
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a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input; a data storage to store compressed digitized audio data; a display; an audio output; at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the data storage for reproduction by the audio output and to provide information to the display; a battery; and wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides at least one of the first selection'"'"'s title or type; wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances forward to another selection of compressed digitized audio data wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data; wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data; wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the data storage in a random order; wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery; and wherein one instance of the selection of the random input occurs when a fifth selection of compressed digitized audio data is being reproduced, and wherein a second instance of the selection of the random input occurs when no selection of compressed digitized audio data is being reproduced.
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40. A portable audio device suitable for reproducing MPEG encoded data, the portable audio device comprising:
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a plurality of inputs, including a forward input, a reverse input, a play control input, and a random input; a data storage to store compressed digitized audio data; a display; an audio output; at least one processor, responsive to selection of at least one of the plurality of inputs, to convert selected compressed digitized audio data stored in the data storage for reproduction by the audio output and to provide information to the display; a battery; and wherein, when a first selection of compressed digitized audio data is being reproduced, the display provides at least one of the first selection'"'"'s title or type; wherein, when a second selection of compressed digitized audio data is being reproduced and in response to selection of the forward input for a first amount of time, the portable audio device advances forward to another selection of compressed digitized audio data wherein, when a third selection of compressed digitized audio data is being reproduced, in response to selection of the reverse input for a second amount of time, the portable audio device begins playing the third selection from a beginning of the third selection of compressed digitized audio data; wherein, when a fourth selection of compressed digitized audio data is being reproduced, in response to selection of the play control input, the portable audio device stops playing the fourth selection of compressed digitized audio data; wherein, in response to selection of the random input, the portable audio device reproduces selections of the compressed digitized audio data stored in the data storage in a random order; wherein, when the portable audio device is in a selected mode of operation and a voltage of the battery falls below a selected level, the display provides an indication relating to a power level of the battery; and wherein when the selection of the random input has occurred and the audio reproduction, in the random order, is between selections, in response to a selection of the reverse input for a third amount of time, the portable audio device begins playing a preceding selection of compressed digitized audio data stored in the non-removable data storage.
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Specification