Circuit for use in multifunction handheld device having a radio receiver
First Claim
1. A circuit for use by a multifunction handheld device that is coupleable to an audio output device, wherein the multifunction handheld device includes a color video display device and a host interface that is coupleable to a host device, the circuit comprises:
- a processing module;
a memory interface, operably coupled to the processing module and a memory that stores a plurality of digitally formatted files, and that stores operational instructions that cause the processing module to;
receive a first digitally formatted file of the plurality of digitally formatted files from the host device when coupled to the host device via the host interface and store the first digitally formatted file in the memory, wherein the first digitally formatted file includes a compressed audio file;
receive an audio signal from a radio tuner;
generate digital input data from the audio signal;
compress the digital input data to form a second digitally formatted file of the plurality of digitally formatted files;
store the second digitally formatted file in the memory, wherein the second digitally formatted file is formatted as MPEG data;
receive a third digitally formatted file of the plurality of digitally formatted files from a host device when coupled to the host device via a host interface store the third digitally formatted file in the memory, wherein the third digitally formatted file includes a compressed video file;
playback a selected one of the plurality of digitally formatted files, the playback including the generation of an audio output signal for the audio output device, wherein the playback includes rendering the selected one of the digitally formatted files for the color video display device, when the third digitally formatted file is selected; and
fastforward the playback of the selected one of the plurality of digitally formatted files in response to a user fastforward command.
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Accused Products
Abstract
A circuit for use by a multifunction handheld device is coupleable to an audio output device. The circuit includes a processing module and a memory interface, operably coupled to the processing module and a memory that stores a plurality of digitally formatted files, and that stores operational instructions that cause the processing module to: receive a first digitally formatted file of the plurality of digitally formatted files from the host device when coupled to the host device via the host interface and store the first digitally formatted file in the memory, wherein the first digitally formatted file includes a compressed audio file; receive an analog audio signal from a radio tuner; generate digital input data from the analog audio signal; compress the digital input data to form a second digitally formatted file of the plurality of digitally formatted files; store the second digitally formatted file in the memory; and playback a selected one of the plurality of digitally formatted files, the playback including the generation of an audio output signal for the audio output device.
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Citations
29 Claims
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1. A circuit for use by a multifunction handheld device that is coupleable to an audio output device, wherein the multifunction handheld device includes a color video display device and a host interface that is coupleable to a host device, the circuit comprises:
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a processing module;
a memory interface, operably coupled to the processing module and a memory that stores a plurality of digitally formatted files, and that stores operational instructions that cause the processing module to;
receive a first digitally formatted file of the plurality of digitally formatted files from the host device when coupled to the host device via the host interface and store the first digitally formatted file in the memory, wherein the first digitally formatted file includes a compressed audio file;
receive an audio signal from a radio tuner;
generate digital input data from the audio signal;
compress the digital input data to form a second digitally formatted file of the plurality of digitally formatted files;
store the second digitally formatted file in the memory, wherein the second digitally formatted file is formatted as MPEG data;
receive a third digitally formatted file of the plurality of digitally formatted files from a host device when coupled to the host device via a host interface store the third digitally formatted file in the memory, wherein the third digitally formatted file includes a compressed video file;
playback a selected one of the plurality of digitally formatted files, the playback including the generation of an audio output signal for the audio output device, wherein the playback includes rendering the selected one of the digitally formatted files for the color video display device, when the third digitally formatted file is selected; and
fastforward the playback of the selected one of the plurality of digitally formatted files in response to a user fastforward command. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 28, 29)
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13. A circuit for use by a multifunction handheld device that is couplcable to an audio output device, the circuit comprises;
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a processing module;
a memory interface, operably coupled to the processing module and a memory that stores a plurality of digitally formatted files, and that stores operational instructions that cause the processing module to;
receive a first digitally formatted file of the plurality of digitally formatted files from the host device when coupled to the host device via the host interface and store the first digitally formatted file in the memory, wherein the first digitally formatted file includes a compressed audio file;
receive an analog audio signal from a radio tuner;
generate digital input data from the audio signal;
compress the digital input data to form a second digitally formatted file of the plurality of digitally formatted files;
store the second digitally formatted file in the memory; and
playback a selected one of the plurality of digitally formatted files, the playback including the generation of an audio output signal for the audio output device. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification