MULTIMEDIA COMMUNICATION SYSTEM, AND TELEVISION DEVICE AND CORE MODULE THEREOF

• US 20110164674A1
• Filed: 01/03/2011
• Published: 07/07/2011
• Est. Priority Date: 01/05/2010
• Status: Abandoned Application

• Current Assignee: Lite-On Technology Corporation
• Original Assignee: Lite-On Technology Corporation
• Inventors: CHEN, CHI-WEN, HOU, CHIH-YUAN, TSENG, TSAO-TENG
• Application Number:
  US12/983,456
• Publication Number:
  US 20110164674A1
• Time in Patent Office: Days
• US Class Current: 375/240.01
• CPC Class Codes: H04M 11/025 Door telephones adapted for television H04N7/186
• CPC Class Codes: H04N 21/42203 sound input device, e.g. microphone
• CPC Class Codes: H04N 21/4223 Cameras H04N23/00 takes precedence
• CPC Class Codes: H04N 21/437 Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server flow control in data networks H04L47/10; streaming protocols, e.g. RTP or RTCP, H04L65/65; scheduling or organising the servicing of application requests in data packet switching networks H04L67/60
• CPC Class Codes: H04N 21/4622 Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet web site content organization and management for information retrieval from the Internet G06F16/958; transmission by internet of broadcast information H04H60/82; stock exchange data over packet-switching network H04L12/1804; push services including data channel over packet-switching network H04L12/1859
• CPC Class Codes: H04N 7/163 by receiver means only

Abstract

A multimedia communication system includes: an intercom device operable for picking up audio information, and for performing encoding and modulation processes upon the audio information so as to generate a modulated signal; and a multimedia device coupled to the intercom device for receiving the modulated signal therefrom, and operable for performing demodulation and decoding processes upon the modulated signal so as to generate a decoded audio signal, for generating an output audio signal from external audio information contained in an external input signal when the decoded audio signal is not received thereby, for generating the output audio signal from at least the decoded audio signal when the decoded audio signal and the external input signal are received thereby, and for audible reproduction of the output audio signal.

Claims

1. A multimedia communication system adapted to receive an external input signal that contains external audio information, comprising:

an intercom device including

a first sound-pickup module operable for picking up first audio information so as to generate a first to-be-encoded audio signal,

a first signal processing module operable for performing an encoding process upon the first to-be-encoded audio signal so as to generate a first to-be-transmitted signal, and

a first communication module operable for performing a modulation process upon the first to-be-transmitted signal so as to generate a first modulated signal; and

a multimedia device including

a second communication module coupled to said first communication module for receiving the first modulated signal therefrom, and operable for performing a demodulation process upon the first modulated signal so as to generate a first to-be-decoded signal,

a second signal processing module operable for performing a decoding process upon the first to-be-decoded signal so as to generate a first decoded audio signal,

a core module adapted to receive the external input signal, and operable generate a first output audio signal from at least one of the first decoded audio signal and the external audio information contained in the external input signal, and

a second audio reproduction module operable for audible reproduction of the first output audio signal;

wherein;

said core module is operable for generating the first output audio signal from the external audio information contained in the external input signal when the first decoded audio signal is not received thereby; and

said core module is operable for generating the first output audio signal from at least the first decoded audio signal when the first decoded audio signal and the external input signal are received thereby.

2. The multimedia communication system as claimed in claim 1, wherein:

said multimedia device further includes a second sound-pickup module operable for picking up second audio information so as to generate a second to-be-encoded audio signal, said second signal processing module being further operable for performing an encoding process upon the second to-be-encoded audio signal so as to generate a second to-be-transmitted signal, said second communication module being further operable for performing a modulation process upon the second to-be-transmitted signal so as to generate a second modulated signal;

said first communication module is further operable for receiving the second modulated signal from said second communication module and for performing a demodulation process upon the second modulated signal so as to generate a second to-be-decoded signal, said first signal processing module being further operable performing a decoding process upon the second to-be-decoded signal so as to generate a second decoded audio signal; and

said intercom device further includes a first audio reproduction module for audible reproduction of the second decoded audio signal.

3. The multimedia communication system as claimed in claim 1, the external input signal further containing external video information, wherein:

said intercom device further includes a video-capture module operable for capturing video information so as to generate a to-be-encoded video signal, said first signal processing module being operable for performing the encoding process upon the first to-be-encoded audio signal and the to-be-encoded video signal so as to generate the first to-be-transmitted signal;

said second signal processing module is operable for performing the decoding process upon the first to-be-decoded signal so as to generate the first decoded audio signal and a decoded video signal, said core module being further operable to gene rate an output video signal from at least one of the decoded video signal and the external video information contained in the extern input signal;

said multimedia device further includes a display module operable for display of the output video signal;

said core module is operable for generating the output video signal from the external video information contained in the external input signal when the decoded video signal is not received thereby; and

said core module is operable for generating the output video signal from at least the decoded video signal when the decoded video signal and the external input signal are received thereby.

4. The multimedia communication system as claimed in claim 1, wherein communications between said intercom device and said multimedia device is based upon one of Session Initiating Protocol (SIP), transmission control protocol internet protocol (TCP/IP) suite, and worldwide interoperability for microwave access (WIMAX).

5. The multimedia communication system as claimed in claim 1, wherein said multimedia device is one of a television device, a mobile internet device, a smart phone device, and a video phone device.

6. A television device adapted to receive a first modulated signal that contains first audio information picked up by an intercom device, and an external input signal that contains external audio information, said television device comprising:

a communication module adapted for receiving the first modulated signal, and operable for performing a demodulation process upon the first modulated signal so as to generate a to-be-decoded signal;

a signal processing module operable for performing a decoding process upon the to-be-decoded signal so as to generate a decoded audio signal;

a core module adapted to receive the external input signal, and operable to generate an output audio signal from at least one of the decoded audio signal and the external audio information contained in the external input signal; and

an audio reproduction module operable for audible reproduction of the output audio signal;

wherein;

said core module is operable for generating the output audio signal from the external audio information contained in the external input signal when the decoded audio signal is not received hereby; and

said core module is operable for generating the output audio signal from at least the decoded audio signal when the decoded audio signal and the external input signal are received thereby.

7. The television device as claimed in claim 6, further comprising a sound-pickup module operable for picking up second audio information so as to generate a to-be-encoded audio signal, wherein said signal processing module is further operable for performing an encoding process upon the to-be-encoded audio signal so as to generate a to-be-transmitted signal, said communication module being further operable for performing a modulation process upon the to-be-transmitted signal so as to generate a second modulated signal for receipt by the intercom device.

8. The television device as claimed in claim 6, the first modulated signal further containing first video information captured by the intercom device, the external input signal further containing external video information, wherein:

said signal processing module is operable for performing the decoding process upon the to-be-decoded signal so as to generate the decoded audio signal and a decoded video signal, said core module being further operable to generate an output video signal from at least one of the decoded video signal and the external video information contained in the external input signal;

said television device further comprising a display module operable for display of the output video signal;

said core module being operable for generating the output video signal from the external video information contained in the external input signal when the decoded video signal is not received thereby; and

said core module being operable for generating the output video signal from at least the decoded video signal when the decoded video signal and the external input signal are received thereby.

9. The television device as claimed in claim 6, further comprising a video-capture module operable for capturing second video information so as to generate a to-be-encoded video signal, wherein said signal processing module is further operable to perform an encoding process upon the to-be-encoded video signal so as to generate a to-be-transmitted signal, said communication module being further operable to perform a modulation process upon the to-be-transmitted signal so as to generate a second modulated signal for receipt by the intercom device.

10. A core module for a television device, adapted to receive a decoded audio signal and an external input signal containing external audio information, and operable for generating an output audio signal from at least one of the decoded audio signal and the audio information contained in the external input signal for sound reproduction, said core module comprising:

a tuning unit adapted to receive the external input signal, and operable for performing a frequency tuning process upon the external input signal so as to generate an input audio signal; and

an audio processing unit operable for generating the output audio signal from the input audio signal when the decoded audio signal is not received by said core module, and from at least the decoded audio signal when the decoded audio signal and the external input signal are received by said core module.

11. The core module as claimed in claim 10, wherein said audio processing unit is operable for generating the output audio signal from both the decoded audio signal and the input signal when the decoded audio signal and the external input signal are received by said core module.

12. The core module as claimed in claim 10, the external input signal further containing external video information, said core module further comprising a video processing unit, being further adapted to receive a decoded video signal, and being further operable for generating an output video signal from at least one of the decoded video signal and the video information contained in the external input signal for visual rendering, wherein:

said tuning unit is operable for performing the frequency tuning process upon the external input signal so as to generate the input audio signal and an input video signal; and

said video processing unit is operable for generating the output video signal from the input video signal when the decoded video signal is not received by said core module, and from at least the decoded video signal when the decoded video signal and the external input signal are received by said core module.

13. The core module as claimed in claim 12, wherein said video processing unit is operable for generating the output video signal from both the decoded video signal and the input videos signal when the decoded video signal and the external input signal are received by said core module.