CN1921631A - Mobile communication terminal and method for reproducing digital broadcasting - Google Patents

Mobile communication terminal and method for reproducing digital broadcasting Download PDF

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Publication number
CN1921631A
CN1921631A CNA200610126526XA CN200610126526A CN1921631A CN 1921631 A CN1921631 A CN 1921631A CN A200610126526X A CNA200610126526X A CN A200610126526XA CN 200610126526 A CN200610126526 A CN 200610126526A CN 1921631 A CN1921631 A CN 1921631A
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China
Prior art keywords
information
data
mobile communication
communication terminal
moving image
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CNA200610126526XA
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Chinese (zh)
Inventor
权成根
李钟杰
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1921631A publication Critical patent/CN1921631A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Disclosed is a mobile communication terminal and a method for reproducing digital broadcasting by a mobile communication terminal equipped with a moving picture player, the method including receiving digital broadcasting data, detecting CODEC information necessary for reproduction of the digital broadcasting, while parsing the received digital broadcasting data into video and audio data, setting the detected CODEC information in the moving picture player, and reproducing the video and audio data by the moving picture player in which the CODEC information has been set. The mobile communication terminal can reproduce digital broadcasting without a separate multimedia chip, thereby reducing the power consumption of the terminal.

Description

Be used to reproduce the mobile communication terminal and the method for digital broadcasting
Technical field
The present invention relates to digital broadcasting, more particularly, the present invention relates to a kind of by utilizing the moving image player to reproduce the mobile communication terminal and the method for digital broadcasting
Background technology
Usually, digital broadcasting refers to the senior broadcast service that high-quality screen and high quality sound are provided for case of conventional analog broadcast.
Along with the development of recent digital broadcasting technology and mobile communication technology, increasing invention is used to provide a kind of digital broadcast service, even this digital broadcast service makes the user also can watch digital broadcasting when mobile.Particularly, attentiveness concentrates on DMB (DMB) service that utilizes mobile communication terminal.DMB is meant following broadcast service: this broadcast service makes the user by utilizing the portable personal receiver or having the vehicle-mounted receiver of non-directional antenna, even also can watch multiple multimedia broadcasting by multichannel when mobile.
Below, will discuss to the structure of digit broadcasting system.
Fig. 1 shows the diagrammatic sketch of the legacy system that is used to provide digital broadcast service.
With reference to Fig. 1, be used to provide the system of digital broadcast service to comprise: data transmission center 10, satellite 20, and receiver (comprising: for example mobile communication terminal 30, automobile receiver 40 and family's receiver 50).
10 pairs of digital multimedia broadcast datas in data transmission center (for example, image, sound and data-signal) compress and modulate, and the data of modulation are sent to satellite 20.
Satellite 20 receives the signal of 10 emissions from the data transmission center and it is amplified and frequency inverted, then signal is launched go back to ground.
Receiver 30,40 and 50 receives the signal of launching back from satellite 20, and with the signal demodulation boil down to primary signal that receives, exports the primary signal of recovering then.
As mentioned above, because even the fast development of digital broadcast service technology when the user is arranged in the vehicle of high-speed mobile, also can be watched the digital broadcasting clearly that does not have noise.
Yet, in order to realize the digital broadcasting receiving function, except the communication modem chip such as mobile station modems (MSM), traditional mobile communication terminal needs independent multimedia chip (for example, DM270 chip) with the control mobile communication function.In having the mobile communication terminal of multimedia chip, the communication modem chip is carried out the mobile communication function the same mobile communication function performed with phone, multimedia chip combine digital broadcast receiving function.
Yet, use multimedia chip to increase electrical source consumption, and the multimedia chip that increases in the mobile communication terminal is restricted to the design of mobile communication terminal.
Summary of the invention
Therefore, make the present invention, an object of the present invention is to provide a kind of mobile communication terminal and method of being used to reproduce digital broadcasting that does not have multimedia chip to solve the problems referred to above that exist in the current techniques.
Another object of the present invention provides a kind of by utilizing the moving image player to reproduce the mobile communication terminal and the method for digital broadcasting.
In order to realize this target, a kind of method that is used for reproducing by the mobile communication terminal with moving image player digital broadcasting is provided, this method comprises the steps: to receive predetermined digital broadcast data; When the digital broadcast data that will receive resolves to video data and voice data, detect and reproduce the necessary codec information of digital broadcasting; The CODEC information of detection is set in the moving image player; With by being set up the moving image player reproducing video data and the voice data of CODEC (codec) information.
Consistent with another aspect of the present invention, a kind of method that is used for reproducing by the mobile communication terminal with moving image player digital broadcasting is provided, this method comprises the steps: to respond the request of reproducing digital broadcasting, receives predetermined digital broadcast data; When the digital broadcast data that will receive resolves to video data and voice data, detect the necessary CODEC information of this digital broadcasting of reproducing; With the CODEC information translation that detects is the information of Session Description Protocol (SDP) form and the information that conversion is set in the moving image player; With the video data and the voice data that reproduce parsing by the moving image player that has been set up CODEC information.
Consistent with another aspect of the present invention, a kind of mobile communication terminal with moving image player is provided, this mobile communication terminal comprises: digit broadcasting receiver is used for receiving digital broadcast data; Demodulator is used for the digital broadcast data of demodulate reception; Control unit, be used for when the digital broadcast signal with demodulation resolves to video data and voice data, detecting the necessary CODEC information of digital broadcasting of reproducing, the CODEC information of detection is set, and the controlled motion image player is with reproducing video data and voice data in the moving image player.
Consistent with another aspect of the present invention, a kind of mobile communication terminal with moving image player is provided, this mobile communication terminal comprises: digit broadcasting receiver is used for receiving digital broadcast data; Demodulator is used for the digital broadcast data of demodulate reception; Control unit, be used for when the digital broadcast signal with demodulation resolves to video data and voice data, detecting the necessary CODEC information of digital broadcasting of reproducing, with described CODEC information translation is the information of Session Description Protocol (SDP) form, the information of conversion is set, and the controlled motion image player is with reproducing video data and voice data in the moving image player; The real-time protocol (rtp) resolver is used for according to the real-time protocol (RTP) scheme video data and voice data being sent to the moving image player.
Description of drawings
By the detailed description of carrying out below in conjunction with accompanying drawing, above and other purpose of the present invention, characteristics and advantage will become apparent, wherein:
Fig. 1 is the view that the legacy system that is used to provide digital broadcast service is shown;
Fig. 2 is the block diagram according to the mobile communication terminal of first embodiment of the invention;
Fig. 3 is the flow chart that illustrates according to the operating process of the mobile communication terminal of first embodiment of the invention;
Fig. 4 is the block diagram according to the mobile communication terminal of second embodiment of the invention;
Fig. 5 is the flow chart that illustrates according to the operating process of the mobile communication terminal of second embodiment of the invention;
Embodiment
Hereinafter, with reference to the accompanying drawings the preferred embodiments of the present invention are described.In the description of this invention, when may making main body of the present invention fuzzy, the detailed description of included known function and structure will omit detailed description here below to them.
Fig. 2 is the block diagram according to the mobile communication terminal of first embodiment of the invention.Following description has the hypothesis of communication modem chip (for example, MSM6500 or 6550) based on this mobile communication terminal.
Mobile communication terminal comprises digit broadcasting receiver 110, demodulator 120, key input unit 130, control unit 140, memory 150, loud speaker 160 and display unit 170.
Digit broadcasting receiver 110 receives predetermined digital broadcast data and the data that receive is exported to demodulator 120.Form with transport stream (TS) bag receives described digital broadcast data.In digital broadcasting, a broadcast program comprises a plurality of element flows (ESs) simultaneously.That is, H.264 the stream of form is used for picture signal, and the stream of AAC+ form is used for voice signal, according to the time offshoot program send the stream be used to send additional data.
TS, promptly transport stream comprises the continuous bag of 188 bytes and the packet header of 4 bytes.The structure of TS bag is known in this area, so ignore its explanation.
Demodulator 120 will be demodulated into digital data stream by the digital broadcast data that digit broadcasting receiver 110 receives, and the digital data stream of demodulation is outputed to control unit 140.
Key input unit 130 can comprise character keys, numerical key and multiple function key, is used for the corresponding key input signal of key with user's input is outputed to control unit 140.
Control unit 140 controls are according to whole operations of the mobile communication terminal of first embodiment of the invention.Control unit 140 can comprise TS resolver 141 and moving image player 145.The TS resolver resolves to video data and voice data with the digital broadcast data of TS packet form.The same with VOD player or Q ' the tv player produced by " Qualcomm ", moving image player 145 can provide the stream service.Moving image player 145 comprises and is used to decode and the audio player 143 of outputting audio data and be used to decode and the video player 144 of output video data.Although do not illustrate, moving image player 145 also comprises and is used for decoder that video data and voice data are decoded.
When detect reproducing the necessary CODEC information of digital broadcast data, control unit 140 control TS resolvers 141 resolve to video data and voice data with the digital broadcast data with demodulation.When H.264 content was used to the situation of digital satellite broadcasting, network adaptation layer (NAL) head sequence parameter set (SPS) and picture parameter set (PPS) information afterwards that is positioned at H.264ES was used as DECODER information, i.e. CODEC information.PPS corresponding to the image-related information that comprises a plurality of serialgrams (slice), SPS is corresponding to the information relevant with the sequence that comprises a plurality of consecutive images.And when the situation of AAC content, the ADTS head of the voice data transportation flow (ADTS) of audio data format is used as CODEC information.
TS resolver 141 extracts decoded time stamp (DTS) information that is used to indicate decode time and demonstration timestamp (PTS) information that is used for the designation number broadcast playback time from digital broadcast data, then video data and voice data is separated, i.e. ESs.(or parsing) video data separately and voice data can be stored in the memory 150 or in the independent storage area.After this, under the control of control unit 140, moving image player 145 frame by frames read and reproducing video data and voice data.Video data stored all comprises the frame of NAL head corresponding to each, and the voice data of storage is corresponding to the frame that does not have the ADTS head.
Control unit 140 is provided with the CODEC information of detection in moving image player 145.Specifically, control unit 140 is provided with the H.264 video CODEC information that comprises SPS and PPS information in video player 144, and the AAC audio frequency CODEC information that comprises ADTS information is set in audio player 143.
After finishing the CODEC information setting of moving image player 145, control unit 140 makes moving image player 145 reproduce the video data and the voice data of resolving.Video data and voice data by loud speaker 160 and display unit 170 output reproductions.
Memory 150 storage controls are according to the necessary multiple information of operation of the mobile communication terminal of first embodiment of the invention.And memory 150 can be stored digital broadcast data or the digital broadcast program guidance data (EPG) that is received by digit broadcasting receiver 110.
Preferably, display unit 170 comprises the LCD (LCD) that is enough to support to reproduce the necessary resolution of digital broadcasting.When LCD was touched the screen realization, display unit 170 can be used as input unit.
Fig. 3 is the flow chart that illustrates according to the operating process of the mobile communication terminal of first embodiment of the invention.In first embodiment of the invention, reproduce digital broadcasting by CODEC information and digital broadcast data are directly sent to decoder, and do not have to use Session Description Protocol (SDP) or the real-time protocol (rtp) that in the VOD agreement, uses.
With reference to Fig. 2 and Fig. 3, control unit 140 checks it is the request (step S110) that has from user's reproduction digital broadcasting.The user can ask to reproduce digital broadcasting by predetermined key input or according to the key input of menu.
The request of digital broadcasting is reproduced in response, and control unit 140 receives predetermined digital broadcast data (step S120).The digital broadcast data that receives is demodulated into digital data stream by demodulator 120.
When detecting the necessary CODEC information of reproduction datacast data, control unit 140 makes TS resolver 141 that the digital broadcast data of demodulation is resolved to video data and voice data (step S130).Video of resolving and voice data become the element flow (ES) that replaces TS.
Control unit detects CODEC information by the program map list (PMT) of scanning TS bag.Specifically, control unit 140 scanning PMT and detect in the PMT CODEC information in the descriptor that is called " DecoderSpecificinfo ".Described PMT is one of four tabulations of the PSI information data in Program Specific Information (PSI) zone that constitutes in the TS bag.The position of each stream that the PMT report is used to serve, and report has the position of the stream of the necessary program clock reference of service (PCR).
When detecting CODEC information, control unit 140 is provided with detected CODEC information (step S140) in moving image player 145.
Then, control unit 140 reproduces the video and the voice data (step S150) of resolving by moving image player 145.Video and voice data by loud speaker 160 and display unit 170 output reproductions.
Fig. 4 is the block diagram according to the mobile communication terminal of second embodiment of the invention.Following discussion has communication modem chip (for example, MSM6500 or 6550) based on this mobile communication terminal and Session Description Protocol (SDP) and the reproduced hypothesis of real-time protocol (rtp) are passed through in digital broadcasting.
Mobile communication terminal comprises digit broadcasting receiver 210, demodulator 220, key input unit 230, control unit 240, memory 250, loud speaker 260 and display unit 270.
Digit broadcasting receiver 210 receives predetermined digital broadcast data and the data that receive is outputed to demodulator 220.
Demodulator 220 will be demodulated into digital data stream by the digital broadcast data that digit broadcasting receiver 210 receives, and the digital data stream of demodulation is outputed to control unit 240.
Key input unit 230 can comprise character keys, numerical key and multiple function key, is used for the corresponding key input signal of key with user's input is outputed to control unit 240.
Control unit 240 controls are according to whole operations of the mobile communication terminal of second embodiment of the invention.Control unit 240 can comprise TS resolver 241, RTP resolver 242 and moving image player 245.TS resolver 241 resolves to video data and voice data with the digital broadcast data of TS packet form.RTP resolver 242 transmits the video and the voice data of resolving according to the real-time protocol (rtp) scheme.Moving image player 245 can provide stream service (as the VOD player).Moving image player 245 comprises audio player 243 and video player 244.And moving image player 245 reproduces current SDP that uses and RTP in the VOD agreement.
When detection was used to reproduce the necessary CODEC information of digital broadcast data, control unit 240 made TS resolver 241 that the digital broadcast data of demodulation is resolved to video data and voice data.When H.264 content is used to the situation of digital satellite broadcasting, be positioned at network adaptation layer H.264ES) (NAL) sequence parameter set (SPS) and picture parameter set (PPS) information after the head be used as DECODER information, i.e. CODEC information.PPS corresponding to the image-related information that comprises a plurality of serialgrams, SPS is corresponding to the information relevant with the sequence that comprises a plurality of consecutive images.And when the situation of AAC content, the ADTS head of the voice data transportation flow (ADTS) of audio data format is used as CODEC information.
TS resolver 241 extracts decoded time stamp (DTS) information that is used to indicate decode time and demonstration timestamp (PTS) information that is used for the designation number broadcast playback time from digital broadcast data, is that the ES branch is opened with video data and voice data then.(or parsing) video data separately and voice data can be stored in the memory 250 or in the independent storage area.After this, under the control of control unit 240, moving image player 245 frame by frames read and reproducing video data and voice data.Video data stored all comprises the frame of NAL head corresponding to each, and the voice data of storage is corresponding to the frame that does not have the ADTS head.
Control unit 240 is provided with the CODEC information according to the SDP format detection in moving image player 245.Described CODEC information can be stored in the memory 250 with the form of SDP file.
Memory 250 storage controls are according to the necessary multiple information of operation of the mobile communication terminal of second embodiment of the invention.Specifically, memory 250 is used to reproduce the CODEC information of digital broadcast data with the form storage of SDP file, so that use the current SDP that uses in the VOD agreement.
And memory 250 can be stored digital broadcast data or the digital broadcast program guidance data (EPG) that is received by digit broadcasting receiver 210
Preferably, display unit 270 comprises the LCD (LCD) that is enough to support to reproduce the necessary resolution of digital broadcasting.When LCD was touched the screen realization, display unit 270 can be used as input unit.
Fig. 5 is the flow chart that illustrates according to the operating process of the mobile communication terminal of second embodiment of the invention.In second embodiment of the invention, reproduce digital broadcasting by using current SDP that in the VOD agreement, uses and RTP,
With reference to Fig. 4 and Fig. 5, control unit 240 is checked the request (step S210) that whether has from user's reproduction digital broadcasting.
The request of digital broadcasting, control unit 240 receiving digital broadcast datas (step S220) are reproduced in response.When digital broadcast data was stored in the memory 250, control unit 240 can read the digital broadcast data of storage.
When detecting CODEC information, control unit 240 makes TS resolver 241 that the digital broadcast data of demodulation is resolved to video data and voice data (step S230).Described CODEC information comprises digital broadcast data necessary video CODEC information and the audio frequency CODEC information that comprises video data and voice data of reproducing.
Control unit 240 is the information of SDP form and the CODEC information (step S240) that conversion is set in the moving image player with the CODEC information translation that detects.At this moment, control unit 240 can be with the CODEC information stores of SDP file form in memory 250.Then, when control unit 240 reproduces digital broadcasting, need not to detect separately CODEC information, control unit 240 can will be stored in the CODEC information setting of the SDP file form in the memory 250 in moving image player 245 immediately.
Then, control unit 240 makes RTP resolver 242 that the video and the voice data of resolving sent to moving image player 245 (step S250).Described RTP resolver 242 sends to moving image player 245 according to the RTP scheme with video and voice data.That is, RTP resolver 242 agreement that has the moving image player 245 of real-time stream function by utilization sends this moving image player 245 with video and voice data.Described RTP is known in the art, so ignore its explanation here.
The moving image player 245 that control unit 240 controls have been set up CODEC information reproduces video and the voice data (step S260) that sends to RTP resolver 242.Moving image player 245 to video and voice data decoding, reproduces the video and the voice data of decoding by loud speaker 260 and display unit 270 based on the CODEC information that is provided with then.
According to the invention described above, need not the multimedia chip that digital broadcasting is reproduced in independent being used to, mobile communication terminal can reproduce digital broadcasting.Therefore, can power saving according to mobile communication terminal of the present invention.
As mentioned above, the invention provides a kind of mobile communication terminal that independent multimedia chip just can reproduce digital broadcasting that need not.As a result, the omission of independent multimedia chip can reduce power consumption.
And, the invention provides a kind of mobile communication terminal, it can utilize the moving image player to reproduce digital broadcasting.Therefore, when watching digital broadcasting, the user need not to buy the terminal of special reproduction digital broadcasting.
Although represented with reference to certain preferred embodiment of the present invention and described the present invention, but those skilled in the art should understand that, under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can carry out modification on various forms and the details to these embodiment.

Claims (17)

1, a kind of method that is used for reproducing by the mobile communication terminal with moving image player digital broadcasting, this method comprises the steps:
Receive predetermined digital broadcast data;
When the digital broadcast data that will receive resolves to video data and voice data, detect and reproduce the necessary codec information of digital broadcasting;
The codec information of detection is set in the moving image player; With
By being set up the moving image player reproducing video data and the voice data of codec information.
2, the method for claim 1, wherein, described codec information comprises sequence parameter set information, picture parameter set information and audio data transport stream information, wherein said sequence parameter set information and picture parameter set information are Video Codec information H.264, and audio data transport stream information is AAC audio codec information.
3, a kind of method that is used for reproducing by the mobile communication terminal with moving image player digital broadcasting, this method comprises the steps:
(1) request of digital broadcasting is reproduced in response, receives predetermined digital broadcast data;
(2) when the digital broadcast data that will receive resolves to video data and voice data, detect and reproduce the necessary codec information of digital broadcasting;
(3) convert the codec information that detects the information of session description protocol format to, and the information of conversion is set in the moving image player;
(4) reproduce the video data and the voice data of resolving by the moving image player that has been set up codec information.
4, method as claimed in claim 3, wherein, described codec information comprises sequence parameter set information, picture parameter set information and audio data transport stream information, wherein said sequence parameter set information and picture parameter set information are Video Codec information H.264, and audio data transport stream information is AAC audio codec information.
5, method as claimed in claim 3, wherein, step (4) comprises the step that video data and voice data is sent to the moving image player according to the real-time protocol (RTP) scheme.
6, method as claimed in claim 3 also is included in the step of storing the codec information that is converted into session description protocol format in the memory.
7, method as claimed in claim 6, wherein, in step (3), when digital broadcasting was reproduced in request, the codec information that is stored in the session description protocol format in the memory was read and is set in the moving image player.
8, a kind of mobile communication terminal with moving image player, this mobile communication terminal comprises:
Digit broadcasting receiver is used for receiving digital broadcast data;
Demodulator is used for the digital broadcast data of demodulate reception;
Control unit, be used for when the digital broadcast data with demodulation resolves to video data and voice data, detect and reproduce the necessary codec information of digital broadcasting, the codec information of detection is set, and the controlled motion image player is with reproducing video data and voice data in the moving image player.
9, mobile communication terminal as claimed in claim 8, wherein, described codec information comprises sequence parameter set information, picture parameter set information and audio data transport stream information, wherein said sequence parameter set information and picture parameter set information are Video Codec information H.264, and audio data transport stream information is AAC audio codec information.
10, mobile communication terminal as claimed in claim 8, wherein, described control unit comprises the moving image player.
11, mobile communication terminal as claimed in claim 10, wherein, described control unit comprises the transport stream resolver, described transport stream resolver detects codec information when the digital broadcast data with demodulation resolves to video data and voice data.
12, a kind of mobile communication terminal with moving image player, this mobile communication terminal comprises:
Digit broadcasting receiver is used for receiving digital broadcast data;
Demodulator is used for the digital broadcast data of demodulate reception;
Control unit, be used for when the digital broadcast data with demodulation resolves to video data and voice data, detecting and reproduce the necessary codec information of digital broadcasting, described codec information is converted to the information of session description protocol format, the information of conversion is set, and the controlled motion image player is with reproducing video data and voice data in the moving image player; With
The real-time protocol (RTP) resolver is used for according to the real-time protocol (RTP) scheme video data and voice data being sent to the moving image player.
13, mobile communication terminal as claimed in claim 12, wherein, described codec information comprises sequence parameter set information, picture parameter set information and audio data transport stream information, wherein said sequence parameter set information and picture parameter set information are Video Codec information H.264, and audio data transport stream information is AAC audio codec information.
14, mobile communication terminal as claimed in claim 13, wherein, described control unit comprises the real-time protocol (RTP) resolver.
15, mobile communication terminal as claimed in claim 12 also comprises being used for the memory that store session is described the codec information of protocol format.
16, mobile communication terminal as claimed in claim 15, wherein, when having the request of reproducing digital broadcasting, described control unit reads the codec information that is stored in the memory, and in the moving image player codec information that reads is set.
17, mobile communication terminal as claimed in claim 12, wherein, described control unit comprises the moving image player.
CNA200610126526XA 2005-08-25 2006-08-25 Mobile communication terminal and method for reproducing digital broadcasting Pending CN1921631A (en)

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CN102833508A (en) * 2012-08-09 2012-12-19 中兴通讯股份有限公司 Decoding adaptivity video recording method and system
CN101689877B (en) * 2007-05-03 2016-03-02 恩特里克丝有限公司 Use the method and system of mobile communication terminal receiving digital broadcast
CN105898496A (en) * 2015-11-18 2016-08-24 乐视网信息技术（北京）股份有限公司 HLS stream hardware decoding method based on Android device and device

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CN114630178B (en) * 2022-02-16 2024-05-14 山东浪潮超高清视频产业有限公司 Message receiving system based on 5G NR broadcast and realizing method

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KR20050021799A (en) * 2003-08-26 2005-03-07 주식회사 팬택 Wireless Communicaiton Terminal has the function of Receiving Digital Mutimedia Broadcasting and its Method
KR100710386B1 (en) * 2005-06-10 2007-04-24 엘지전자 주식회사 Method for recording and playing data for broadcasting, and communication terminal and system for the same

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Publication number Priority date Publication date Assignee Title
CN101689877B (en) * 2007-05-03 2016-03-02 恩特里克丝有限公司 Use the method and system of mobile communication terminal receiving digital broadcast
CN102833508A (en) * 2012-08-09 2012-12-19 中兴通讯股份有限公司 Decoding adaptivity video recording method and system
WO2014023179A1 (en) * 2012-08-09 2014-02-13 中兴通讯股份有限公司 Video recording method and system
CN105898496A (en) * 2015-11-18 2016-08-24 乐视网信息技术（北京）股份有限公司 HLS stream hardware decoding method based on Android device and device

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