CN102982818B - System and method which are capable of achieving player audio return - Google Patents
System and method which are capable of achieving player audio return Download PDFInfo
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- CN102982818B CN102982818B CN201210450052.XA CN201210450052A CN102982818B CN 102982818 B CN102982818 B CN 102982818B CN 201210450052 A CN201210450052 A CN 201210450052A CN 102982818 B CN102982818 B CN 102982818B
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Abstract
The invention discloses a system and a method which are capable of achieving player audio return. The system is arranged inside a player and is connected with a television through a high-definition multimedia interface (HDMI). The system comprises a selecting module, a main system chip, a switching module, an executive module, a play module, and an audio playback module. The selecting module is used for selecting between a play mold and an audio playback mold, and transmitting the selected result to the main system chip. The main system chip is used for sending switching signals to the switching module after receiving the selected result of a user. The switching module is used for receiving the switching signals of the main system chip so as to achieve switching between the play mold and the audio playback mold, and transmitting the switching result to the executive module. The executive module is used for driving the play module or the audio playback module to work. The play module is used for audio playing after receiving the signals from the executive module. The audio playback module is used for audio playback after receiving the signals from the executive module. According to the selection of the user, the system can be switched between the play mode and an audio return mode. In the audio return mode, the audio signals of the television can be returned to the player through the HDMI.
Description
Technical field
The present invention relates to player, particularly relate to a kind of system and the method thereof that realize player audio passback.
Background technology
HDMI (High Definition Multimedia Interface) i.e. HDMI (High Definition Multimedia Interface), a kind of digitized video and audio interface technology, be applicable to the tailored version digital interface of image transmission, it can transmit audio and video frequency signal simultaneously.HDMI can carry HDCP(High-bandwidth Digital Content Protection, HDCP technology), suffer undelegated copying to prevent the video content with literary property.
CEC (Consumer Electronics Control, consumer electronics control) is a control protocol of HDMI, the equipment be connected on HDMI wire road can be made mutually to find and occur and receive instruction.Thus realize the mutual control of equipment room.
ARC (Audio Return Channel, audio return passage) be the New function defined on 1.4 versions of HDMI, it can make TV by audio return to the HDMI equipment of previous stage, this HDMI equipment returns after the audio frequency of coming processes to TV, then is exported by other loudspeaker.
But, battery limits are divided into Recording Device(recording unit by HDMI), Tuner(tuner), Playback Device(playback equipment), Audio System(sound system) etc. a few class, support that the equipment of ARC function only has Audio System.Along with the development of science and technology, the function of all kinds of player (as Blu-ray player) is from strength to strength, also more powerful and abundant to the processing power of audio frequency, such as can carry out the conversion of audio format, is recorded in memory device, is transferred to internet etc.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of system and the method thereof that realize player audio passback are provided, the audio frequency of TV can be passed back to player by HDMI, the application of player can be enriched, also can provide operating experience more easily for consumer.
In order to achieve the above object, the technical solution used in the present invention is, a kind of system realizing player audio passback, is arranged in player, is connected by HDMI with TV, comprising:
Selecting module, for selecting between play mode and audio playback mode, and sending selection result to system master chip;
System master chip, after receiving user's selection, sends switching signal to handover module;
Handover module, the switching signal for receiving system master chip switches between play mode and audio playback mode, and switching result is sent to execution module;
Execution module, for driving playing module or audio playback module work;
Playing module, for receive execution module signal after carry out audio frequency broadcasting;
Audio playback module, for receive execution module signal after carry out voice reproducing.
Preferably, described playing module and broadcasting expanding channels.
Preferably, described playing module is arranged in playback equipment.
Preferably, described audio playing module and voice reproducing expanding channels.
Preferably, described audio playing module is arranged in audio frequency apparatus.
Realize a method for the system of player audio passback, comprise the following steps:
Step 1. user select between play mode and audio playback mode, and send selection result to system master chip;
Step 2. sends switching signal to handover module after receiving user's selection;
The switching signal of step 3. receiving system master chip switches between play mode and audio playback mode;
Step 4. drives playing module or audio playback module work, and playing module carries out audio frequency broadcasting after receiving the signal of execution module, otherwise audio playback module carries out voice reproducing after receiving the signal of execution module.
Preferably, described playing module carries out audio frequency broadcasting and specifically comprises after receiving the signal of execution module:
Step 101. selects playing module, opens broadcasting passage;
Step 102. judges whether current player state is in broadcast state, is, performs step 107, performs step 103;
Step 103. shutdown system audio mode, and stop audio return passage;
Step 104. carries out voice reproducing inefficacy broadcast;
Step 105. obtains the logical address of playback equipment;
Step 106. opens playback equipment;
Step 107. enters playback equipment treatment scheme.
Preferably, described audio playback module is carried out voice reproducing after receiving the signal of execution module and is specifically comprised:
Step 201. selects audio playback module, opens voice reproducing passage;
Step 202. judges whether current player state is in voice reproducing state, is, performs step 207, performs step 203;
Step 203. closes play mode, and stops playing passage;
Step 204. carries out broadcasting inefficacy broadcast;
Step 205. obtains the logical address of voice reproducing;
Step 206. opens audio playback mode;
Step 207. enters voice reproducing treatment scheme.
Compared with prior art, the invention has the beneficial effects as follows:, the audio frequency of TV can be passed back to player by HDMI, the application of player can be enriched, also can provide operating experience more easily for consumer.
Accompanying drawing explanation
Fig. 1 is system principle diagram of the present invention;
Fig. 2 is that menu mode of the present invention selects schematic diagram;
fig. 3 is switching broadcast state process flow diagram of the present invention;
Fig. 4 is switching voice reproducing channel flow figure of the present invention.
Embodiment
HDMI agreement defines equipment and classifies, mainly be divided into Recording Device(recording unit), Tuner(tuner), Playback Device(playback equipment), Audio System(audio system) this four class, and distribute a unique Logic Address (logical address) for every kind equipment.Every kind equipment has a function collection, and ARC is a function subset of audio system Audio System.Realize ARC function on a player, main method is that player is freely switched in playback equipment Playback Device and audio system Audio System two kinds of logical address Logic Address.
Purport of the present invention is to utilize ripe HDMI, CEC and ARC technology, realizes ARC function on a player.On hardware, use general HDMI standard technique.On software, make player possess playback equipment Playback Device and audio system Audio System two kinds of identity, and realize voice reproducing ARC function with audio system Audio System identity.
Be described in detail, to be interpretated more in-depth technical characteristic of the present invention and advantage with reference to accompanying drawing below in conjunction with embodiment.
As are shown in figure 1.2, a kind of system realizing player audio passback, is arranged in player, is connected by HDMI with TV, comprising:
Selecting module, for selecting between play mode and audio playback mode, and sending selection result to system master chip;
System master chip, after receiving user's selection, sends switching signal to handover module; Handover module, the switching signal for receiving system master chip switches between play mode and audio playback mode, and switching result is sent to execution module; Execution module, for driving playing module or audio playback module work; Playing module, for receive execution module signal after carry out audio frequency broadcasting; Audio playback module, for receive execution module signal after carry out voice reproducing, audio return is returned by the HDMI be connected with TV.
Preferably, described playing module and broadcasting expanding channels.Playing module is arranged in playback equipment.Audio playing module and voice reproducing expanding channels.Audio playing module is arranged in audio frequency apparatus.Every kind equipment has a function collection, and voice reproducing ARC is a function subset of audio system Audio System.
Realize a method for the system of player audio passback, comprise the following steps:
Step 1. user select between play mode and audio playback mode, and send selection result to system master chip; As shown in Figure 2, display choice menus, user selects between play mode and audio playback mode according to menu;
Step 2. sends switching signal to handover module after receiving user's selection;
The switching signal of step 3. receiving system master chip switches between play mode and audio playback mode;
Step 4. drives playing module or audio playback module work, and playing module carries out audio frequency broadcasting after receiving the signal of execution module, otherwise audio playback module carries out voice reproducing after receiving the signal of execution module.
As shown in Figure 3, described playing module carries out audio frequency broadcasting and specifically comprises switching broadcast state process flow diagram of the present invention after receiving the signal of execution module: step 101. selects playing module, opens broadcasting passage; Step 102. judges whether current player state is in broadcast state, is, performs step 107, performs step 103; Step 103. shutdown system audio mode, and stop audio return passage; Step 104. carries out voice reproducing inefficacy broadcast; Step 105. obtains the logical address of playback equipment; Step 106. opens playback equipment; Step 107. enters playback equipment treatment scheme.
Switching voice reproducing channel flow figure of the present invention as shown in Figure 4, carry out voice reproducing after receiving the signal of execution module and specifically comprise: step 201. selects audio playback module, opens voice reproducing passage by described audio playback module; Step 202. judges whether current player state is in voice reproducing state, is, performs step 207, performs step 203; Step 203. closes play mode, and stops playing passage; Step 204. carries out broadcasting inefficacy broadcast; Step 205. obtains the logical address of voice reproducing; Step 206. opens audio playback mode; Step 207. enters voice reproducing treatment scheme, and the sound signal of TV returns to player by HDMI wire road.
The invention provides a choice menus, as shown in Figure 2, user can be selected between Player and ARC two functions.When selecting play mode Player option, be switched to this logical address of playback equipment Playback Device, what realize is the general function of player, and comprise the audio-video document play on video disc and other memory device, output sound vision signal is to TV or power amplifier etc.When selecting audio playback mode ARC option, being switched to this logical address of audio system Audio System, realizing the ARC function of audio system Audio System, making the sound signal of TV can return to player by HDMI wire road.
Above content is in conjunction with concrete optimal way further description made for the present invention, should not assert that specific embodiment of the invention is confined to above explanation.For those skilled in the art, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, within the protection domain that the claim that all should be considered as being submitted to by the present invention is determined.
Claims (4)
1. realize a system for player audio passback, be arranged in player, be connected with TV by HDMI, it is characterized in that, comprising:
Selecting module, for selecting between play mode and audio playback mode, and sending selection result to system master chip;
System master chip, after receiving user's selection, sends switching signal to handover module;
Handover module, the switching signal for receiving system master chip switches between play mode and audio playback mode, and switching result is sent to execution module;
Execution module, for driving playing module or audio playback module work;
Playing module, for receive execution module signal after carry out audio frequency broadcasting;
Audio playback module, for receive execution module signal after carry out voice reproducing, audio return is returned by the HDMI be connected with TV;
Described playing module carries out audio frequency broadcasting and specifically comprises after receiving the signal of execution module: step 101. selects playing module, opens broadcasting passage; Step 102. judges whether current player state is in broadcast state, is, performs step 107, otherwise performs step 103; Step 103. shutdown system audio mode, and stop audio return passage; Step 104. carries out voice reproducing inefficacy broadcast; Step 105. obtains the logical address of playback equipment; Step 106. opens playback equipment; Step 107. enters playback equipment treatment scheme;
Described audio playback module is carried out voice reproducing after receiving the signal of execution module and is specifically comprised: step 201. selects audio playback module, opens voice reproducing passage; Step 202. judges whether current player state is in voice reproducing state, is, performs step 207, otherwise performs step 203; Step 203. closes play mode, and stops playing passage; Step 204. carries out broadcasting inefficacy broadcast; Step 205. obtains the logical address of voice reproducing; Step 206. opens audio playback mode; Step 207. enters voice reproducing treatment scheme, and the sound signal of TV returns to player by HDMI wire road.
2. the system realizing player audio passback according to claim 1, is characterized in that: described playing module and broadcasting expanding channels.
3. the system realizing player audio passback according to claim 1, is characterized in that: described audio playback module and voice reproducing expanding channels.
4. the method realizing the system of player audio passback according to any one of claim 1-3, is characterized in that, comprise the following steps:
Step 1. user select between play mode and audio playback mode, and send selection result to system master chip;
Step 2. sends switching signal to handover module after receiving user's selection;
The switching signal of step 3. receiving system master chip switches between play mode and audio playback mode;
Step 4. drives playing module or audio playback module work, and playing module carries out audio frequency broadcasting after receiving the signal of execution module, otherwise audio playback module carries out voice reproducing after receiving the signal of execution module;
Described playing module carries out audio frequency broadcasting and specifically comprises after receiving the signal of execution module:
Step 101. selects playing module, opens broadcasting passage;
Step 102. judges whether current player state is in broadcast state, is, performs step 107, otherwise performs step 103;
Step 103. shutdown system audio mode, and stop audio return passage;
Step 104. carries out voice reproducing inefficacy broadcast;
Step 105. obtains the logical address of playback equipment;
Step 106. opens playback equipment;
Step 107. enters playback equipment treatment scheme;
Described audio playback module is carried out voice reproducing after receiving the signal of execution module and is specifically comprised:
Step 201. selects audio playback module, opens voice reproducing passage;
Step 202. judges whether current player state is in voice reproducing state, is, performs step 207, otherwise performs step 203;
Step 203. closes play mode, and stops playing passage;
Step 204. carries out broadcasting inefficacy broadcast;
Step 205. obtains the logical address of voice reproducing;
Step 206. opens audio playback mode;
Step 207. enters voice reproducing treatment scheme.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210450052.XA CN102982818B (en) | 2012-11-12 | 2012-11-12 | System and method which are capable of achieving player audio return |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210450052.XA CN102982818B (en) | 2012-11-12 | 2012-11-12 | System and method which are capable of achieving player audio return |
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| CN102982818A CN102982818A (en) | 2013-03-20 |
| CN102982818B true CN102982818B (en) | 2015-04-08 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106331557B (en) * | 2015-06-17 | 2019-06-21 | 华为技术有限公司 | ARC control method, control unit and display equipment |
| CN107465957B (en) * | 2017-08-09 | 2020-09-29 | 四川长虹电器股份有限公司 | Method for rapidly connecting ARC power amplifier equipment by smart television |
| CN111131895B (en) * | 2019-11-18 | 2022-05-27 | 晶晨半导体（深圳）有限公司 | Method for interacting with arc power amplifier equipment through arc/arc switch related to android |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594328A (en) * | 2008-05-30 | 2009-12-02 | 佳能株式会社 | Communication system and control method thereof |
| CN102098473A (en) * | 2009-12-14 | 2011-06-15 | 索尼公司 | Output control apparatus, output controlling method, program, and output control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5466519B2 (en) * | 2010-01-20 | 2014-04-09 | 日立コンシューマエレクトロニクス株式会社 | Information processing apparatus and signal processing method for information processing apparatus |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594328A (en) * | 2008-05-30 | 2009-12-02 | 佳能株式会社 | Communication system and control method thereof |
| CN102098473A (en) * | 2009-12-14 | 2011-06-15 | 索尼公司 | Output control apparatus, output controlling method, program, and output control system |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20150408 |