CN112653856A - Method for controlling volume equipment by intelligently switching audio output equipment of laser projection television - Google Patents
Method for controlling volume equipment by intelligently switching audio output equipment of laser projection television Download PDFInfo
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- CN112653856A CN112653856A CN202011474654.XA CN202011474654A CN112653856A CN 112653856 A CN112653856 A CN 112653856A CN 202011474654 A CN202011474654 A CN 202011474654A CN 112653856 A CN112653856 A CN 112653856A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000013307 optical fiber Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
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- Optics & Photonics (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention discloses a method for intelligently switching audio output equipment and controlling volume equipment of a laser projection television, which comprises the laser projection television, wherein a laser projection television system is arranged on the laser projection television, a master control SOC chip is arranged on the laser projection television system, a master audio output channel is arranged on the laser projection television system, a volume adjusting module is arranged on the master audio output channel, a coaxial interface and a light interface are arranged on the master control SOC chip, and a Bluetooth audio equipment connector, an HDMI ARC equipment connector, a local loudspeaker, a coaxial output interface and an optical fiber output interface are arranged on the laser projection television. The invention can automatically switch the audio frequency to the accessed audio frequency equipment according to the difference of the audio frequency equipment accessed by the user, has high automation degree and high integration level, can flexibly select various audio frequency output equipment, realizes the multi-purpose of one machine, and can improve the experience degree of the user using the laser projection television.
Description
Technical Field
The invention relates to the technical field of laser projection televisions, in particular to a method for controlling volume equipment by intelligently switching audio output equipment of a laser projection television.
Background
LASER television (LASER TV) is a fourth generation television product which adopts a LASER light source as a display light source and is matched with a front projection display technology for imaging, is provided with a special projection screen and can receive broadcast television programs or internet television programs, wherein the LASER light source refers to: the method uses red, green and blue three-primary-color solid-state lasers as a luminous light source, or uses a monochromatic solid-state laser to excite fluorescent powder as a luminous light source, or uses a solid-state laser and an LED as a mixed technology projection light source of a system light source.
Along with the increasing development of domestic electronic products, the laser television industry is mature day by day, the acceptance of consumers to laser televisions is higher and higher, and consumers hope that multiple audio output devices can be flexibly selected on the same laser television to realize multiple purposes of one machine.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a method for controlling volume equipment by intelligently switching audio output equipment of a laser projection television.
The method for intelligently switching the audio output equipment to control the volume equipment of the laser projection television comprises the steps of arranging a laser projection television system on the laser projection television, arranging a master control SOC chip on the laser projection television system, arranging a master audio output channel on the laser projection television system, arranging a volume adjusting module on the master audio output channel, arranging a coaxial interface and a light interface on the master control SOC chip, arranging a Bluetooth audio equipment connector, an HDMI ARC equipment connector, a local loudspeaker, a coaxial output interface and an optical fiber output interface on the laser projection television, and electrically connecting the Bluetooth audio equipment connector, the HDMI ARC equipment connector, the local loudspeaker, the coaxial output interface and the optical fiber output interface with the laser projection television system.
The method for intelligently switching the audio output equipment to control the audio of the laser projection television comprises the following steps:
s1: connecting external audio equipment to the laser projection television;
s2: the laser projection television system judges the access of the audio equipment;
s3: the laser projection television system identifies whether the main audio output channel is occupied or not;
s4: the laser projection television system judges whether the automatic switching function is started or not;
s5: capturing the accessed audio equipment and outputting the audio equipment by using the main audio output channel;
s6: the laser projection television system judges whether the forced switching function is started or not;
s7: capturing the accessed audio equipment and outputting the audio equipment by using the main audio output channel;
preferably, an internal channel SPDIF is arranged on the main control SOC chip, two GPIO pins are arranged on the main control SOC chip, and the two GPIO pins are electrically connected with an output high level and an output low level respectively.
Preferably, an audio Capture module, a woofer module and an audio output module are arranged on the laser projection television, and the audio Capture module, the woofer module and the audio output module respectively comprise a Capture channel, a 12S channel and an SPDIF-OUT channel, and the SPDIF-OUT channel is electrically connected with the SPDIF.
Preferably, in S1, the external audio device is connected to the laser projection television from one of a bluetooth audio device connector, an HDMI ARC device connector, a local speaker, a coaxial output interface, or an optical fiber output interface.
Preferably, in S3, the laser projection television system may be directly located at the position of the main audio output channel, and determine whether the main audio output channel is occupied, and when the main audio output channel is occupied, directly disconnect the currently used device after protecting data, and then enter the step of moving down, otherwise, directly enter the step of moving down.
Preferably, in S4, when the automatic switching function of the laser projection television system is turned on, the audio capture module is directly entered, otherwise, the step of moving down is entered.
Preferably, in S5, the audio capture module determines the type of the audio to be accessed, and outputs the audio to the main audio output channel for output.
Preferably, in S6, after the forced switching function of the laser projection television system is turned on, capturing an audio type, and if the bluetooth audio device can use a Capture channel, disabling the I2S channel and the SPDIF-OUT channel; if the device is an HDMI ARC device: using the SPDIF-OUT channel, disabling the Capture channel and the I2S channel; if the loudspeaker is a local loudspeaker: the I2S channel can be used, the Capture channel and the SPDIF-OUT channel are disabled; if the coaxial output interface: the SPDIF-OUT channel can be used; disabling the Capture channel and the I2S channel; if the channel is a fiber interface channel: the SPDIF-OUT channel can be used, with the Capture and I2S channels disabled.
Preferably, in S7, the HDMI ARC is sound data of SPDIF through an internal channel of the main control SOC chip, and is transmitted through the HDMI ARC device connector, the local speaker is output to the speaker through an I2S channel on the main control SOC chip, the coaxial output interface is sound data of SPDIF through an internal channel of the main control SOC chip, and then is output by SPDIF-OUT, and then the laser projection television system controls a GPIO pin inside the SOC chip to output a low level to the optical fiber interface, and the optical fiber output interface is sound data of SPDIF through an internal channel of the main control SOC chip, and then is output by SPDIF-OUT, and then the laser projection television system controls a GPIO pin of the SOC to output a high level to the coaxial interface.
The invention has the beneficial effects that:
1. the invention can automatically switch the audio frequency to the accessed audio frequency equipment according to the difference of the audio frequency equipment accessed by the user, has high automation degree and high integration level, can flexibly select various audio frequency output equipment, realizes multiple purposes of one machine, can improve the experience degree of the user using the laser projection television, and is worthy of popularization and application.
Drawings
Fig. 1 is a flowchart of a method for controlling audio output device control volume by intelligent switching of a laser projection television according to the present invention;
fig. 2 is a circuit diagram of a main control SOC chip for a method for intelligently switching control volumes of audio output devices in a laser projection television according to the present invention.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-2, the embodiment provides a method for controlling a volume for intelligently switching audio output devices of a laser projection television, including a laser projection television, a laser projection television system is provided on the laser projection television, a master control SOC chip is provided on the laser projection television system, and a master audio output channel is provided on the laser projection television system, a volume adjusting module is provided on the master audio output channel, a coaxial interface and a light interface are provided on the master control SOC chip, a bluetooth audio device connector, an HDMI ARC device connector, a local speaker, a coaxial output interface and an optical fiber output interface are provided on the laser projection television, the bluetooth audio device connector, the HDMI ARC device connector, the local speaker, the coaxial output interface and the optical fiber output interface are electrically connected to the laser projection television system.
The method for intelligently switching the audio output equipment to control the audio of the laser projection television comprises the following steps:
s1: connecting external audio equipment to the laser projection television;
s2: the laser projection television system judges the access of the audio equipment;
s3: the laser projection television system identifies whether the main audio output channel is occupied or not;
s4: the laser projection television system judges whether the automatic switching function is started or not;
s5: capturing the accessed audio equipment and outputting the audio equipment by using the main audio output channel;
s6: the laser projection television system judges whether the forced switching function is started or not;
s7: capturing the accessed audio equipment and outputting the audio equipment by using the main audio output channel;
in this embodiment, be provided with inside channel SPDIF on the master control SOC chip, be provided with two GPIO pins on the master control SOC chip, and on two GPIO pins respectively electric connection have output high level and output low level.
In this embodiment, the laser projection television is provided with an audio Capture module, a woofer module and an audio output module, the audio Capture module, the woofer module and the audio output module respectively include a Capture channel, a 12S channel and an SPDIF-OUT channel, and the SPDIF-OUT channel is electrically connected to the SPDIF.
In this embodiment, in S1, the external audio device is connected to the laser projection television from one of the bluetooth audio device connector, the HDMI ARC device connector, the local speaker, the coaxial output interface, or the optical fiber output interface.
In this embodiment, in S3, the laser projection television system may be directly positioned at the position of the main audio output channel, and determine whether the main audio output channel is occupied, and when the main audio output channel is occupied, directly disconnect the currently used device after protecting the data, and then enter the step of moving down, otherwise, directly enter the step of moving down.
In this embodiment, in S4, when the automatic switching function of the laser projection television system is turned on, the video signal directly enters the audio capture module, otherwise, the video signal goes to the step of moving down.
In this embodiment, in S5, the audio capture module determines the type of the accessed audio, and outputs the determined type to the main audio output channel for output.
In this embodiment, in S6, after the forced switching function of the laser projection television system is turned on, the audio type is captured, and if the bluetooth audio device can use the Capture channel, the I2S channel and the SPDIF-OUT channel are disabled; if the device is an HDMI ARC device: using the SPDIF-OUT channel, disabling the Capture channel and the I2S channel; if the loudspeaker is a local loudspeaker: the I2S channel can be used, the Capture channel and the SPDIF-OUT channel are disabled; if the coaxial output interface: the SPDIF-OUT channel can be used; disabling the Capture channel and the I2S channel; if the channel is a fiber interface channel: the SPDIF-OUT channel can be used, with the Capture and I2S channels disabled.
In this embodiment, in S7, HDMI ARC is sound data through main control SOC chip internal channel SPDIF, and then is transmitted through HDMI ARC device connector, the local speaker is output to the speaker through I2S channel on the main control SOC chip, the coaxial output interface is sound data through main control SOC chip internal channel SPDIF, and then is output by SPDIF-OUT, and then outputs low level to the optical fiber interface through GPIO pin inside the laser projection television system control SOC chip, the optical fiber output interface is sound data through main control SOC chip SPDIF, and then outputs by SPDIF-OUT, and then outputs high level to the coaxial interface through GPIO pin of the laser projection television system control SOC.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. Laser projection TV intelligence switches audio output equipment control volume equipment, including laser projection TV, its characterized in that, be equipped with laser projection TV system on the laser projection TV, be equipped with master control SOC chip on the laser projection TV system, and be equipped with main audio output channel on the laser projection TV system, be provided with volume adjusting module on the main audio output channel, be provided with coaxial interface and light interface on the master control SOC chip, be equipped with bluetooth audio equipment connector, HDMI ARC equipment connector, local speaker, coaxial output interface and optical fiber output interface on the laser projection TV, bluetooth audio equipment connector, HDMI ARC equipment connector, local speaker, coaxial output interface and optical fiber output interface all with laser projection TV system electric connection.
2. The method for intelligently switching the audio output equipment to control the audio of the laser projection television is characterized by comprising the following steps of:
s1: connecting external audio equipment to the laser projection television;
s2: the laser projection television system judges the access of the audio equipment;
s3: the laser projection television system identifies whether the main audio output channel is occupied or not;
s4: the laser projection television system judges whether the automatic switching function is started or not;
s5: capturing the accessed audio equipment and outputting the audio equipment by using the main audio output channel;
s6: the laser projection television system judges whether the forced switching function is started or not;
s7: and capturing the accessed audio equipment and then outputting the audio equipment by using the main audio output channel.
3. The method for intelligently switching the audio output device control volume for the laser projection television as claimed in claim 1, wherein the main control SOC chip is provided with an internal channel SPDIF, the main control SOC chip is provided with two GPIO pins, and the two GPIO pins are electrically connected with an output high level and an output low level respectively.
4. The method for intelligently switching the audio output devices of the laser projection television as claimed in claim 1, wherein an audio Capture module, a woofer module and an audio output module are disposed on the laser projection television, the audio Capture module, the woofer module and the audio output module respectively comprise a Capture channel, a 12S channel and an SPDIF-OUT channel, and the SPDIF-OUT channel is electrically connected with the SPDIF.
5. The method for intelligently switching audio output device control volumes according to claim 2, wherein in S1, the external audio device is connected to the laser projection television from one of a bluetooth audio device connector, an HDMI ARC device connector, a local speaker, a coaxial output interface or an optical fiber output interface.
6. The method for intelligently switching audio output devices and controlling audio output device of claim 2, wherein in S3, the laser projection tv system can be directly positioned to the position of the main audio output channel to determine whether the main audio output channel is occupied, when the main audio output channel is occupied, the currently used device is directly disconnected after protecting data, and then the step of moving down is performed, otherwise, the step of moving down is directly performed.
7. The method for intelligently switching the audio output device control volume according to the laser projection television of claim 2, wherein in S4, when the automatic switching function of the laser projection television system is turned on, the audio output device directly enters the audio capturing module, otherwise, the audio output device enters the downward shifting step.
8. The method for controlling audio output device switching for laser projection television according to claim 2, wherein in S5, the audio capturing module determines the type of the accessed audio and outputs the determined type to the main audio output channel for output.
9. The method for intelligently switching audio output devices for laser projection televisions according to claim 2, wherein in S6, after the forced switching function of the laser projection television system is turned on, the audio category is captured, and if the bluetooth audio device can use the Capture channel, the I2S channel and SPDIF-OUT channel are disabled; if the device is an HDMI ARC device: using the SPDIF-OUT channel, disabling the Capture channel and the I2S channel; if the loudspeaker is a local loudspeaker: the I2S channel can be used, the Capture channel and the SPDIF-OUT channel are disabled; if the coaxial output interface: the SPDIF-OUT channel can be used; disabling the Capture channel and the I2S channel; if the channel is a fiber interface channel: the SPDIF-OUT channel can be used, with the Capture and I2S channels disabled.
10. The method for controlling audio output device switching for laser projection television according to claim 2, wherein in S7, HDMI ARC is the audio data of SPDIF through the internal channel of the main control SOC chip, and then transmitted through the HDMI ARC device connector, the local speaker is output to the speaker through the I2S channel on the main control SOC chip, the coaxial output interface is the audio data of SPDIF through the internal channel of the main control SOC chip, and then output by SPDIF-OUT, and then output low level to the optical fiber interface through the GPIO pin inside the laser projection television system control SOC chip, the optical fiber output interface is the audio data of SPDIF through the internal channel of the main control SOC chip, then output by SPDIF-OUT, and then output high level to the coaxial interface through the GPIO pin of the laser projection television system control SOC.
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| CN202011474654.XA CN112653856B (en) | 2020-12-14 | 2020-12-14 | Method for intelligently switching audio output equipment of laser projection television |
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| CN202011474654.XA CN112653856B (en) | 2020-12-14 | 2020-12-14 | Method for intelligently switching audio output equipment of laser projection television |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113109987A (en) * | 2021-05-17 | 2021-07-13 | 青岛海信激光显示股份有限公司 | Laser projection equipment, liftable screen and laser television |
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