CN103702047A - Audio conversion device and television system - Google Patents
Audio conversion device and television system Download PDFInfo
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- CN103702047A CN103702047A CN201310695396.1A CN201310695396A CN103702047A CN 103702047 A CN103702047 A CN 103702047A CN 201310695396 A CN201310695396 A CN 201310695396A CN 103702047 A CN103702047 A CN 103702047A
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Abstract
The invention provides an audio conversion device, which comprises an audio signal input end used for inputting audio signals, an alto and treble audio processor connected to the audio signal input end and used for converting a plurality of received audio signals into alto and treble audio data, and a bass audio processor connected to the audio signal input end and used for converting the plurality of received audio signals into bass audio data. According to the audio conversion device, multimedia equipment which cannot output bass audio is connected with left and right channel sound parts and can output the bass audio.
Description
Technical field
The present invention relates to intelligent television field, relate in particular to a kind of audio conversion device and television system.
Background technology
Along with the development of technology, existing stereo set is more and more abundanter, also comprises the television set itself or other multimedia equipments that are built-in with stereo set.Existing most of television set is conventionally with 2.0 channel audio outputs, be respectively L channel L and R channel R, but 2.0 sound channels of normal procedure intelligent TV can not meet the pursuit of people to high standard tonequality, particularly, to bringing the demand of the supper bass of shock effect to people, this just requires external independent mega bass sound equipment (being commonly called as subwoofer) to come realizing the reduction to bass.
Yet because present television set is more and more thinner, built-in mega bass sound equipment volume is relatively large again, and cost is higher, therefore most of television sets all do not have 2.1 sound channel output functions, namely mega bass output function.When use does not have the television set TV reception of mega bass function, obviously cannot obtain more outstanding bass audio effect.Even if added independent external mega bass sound equipment, because most TV does not have bass output port, also audio signal cannot be converted to mega bass output.
Therefore, be necessary very much to provide a kind of in output left and right sound channels audio frequency, the device that also can connect woofer and export audio bass solves the problem that existing TV can not be exported audio bass.
Summary of the invention
In view of this, the invention provides a kind of audio conversion device and television system, it can solve the problem that existing multimedia play equipment cannot connect bass sound equipment and export audio bass.
The invention provides a kind of audio conversion device, comprise the audio signal input end for input audio signal, wherein this device also comprises:
Be connected in the middle and high sound audio process of audio signal input end, for a plurality of audio signals that receive are converted to middle and high sound voice data;
And the audio bass processor that is connected in audio signal input end, for a plurality of audio signals that receive are converted to audio bass data.
Further, described audio signal comprises high-frequency sound signal, sound intermediate frequency signal and low-frequency sound signal,
Described middle and high sound audio process is used for, and receives a plurality of audio signals of input, filters out low-frequency sound wherein, and the intermediate frequency sound after filtering and high-frequency sound are as middle and high sound voice data;
Described audio bass processor is used for, and receives a plurality of audio signals of input, filters out intermediate frequency sound and high-frequency sound wherein, and the low-frequency sound after filtering is as audio bass data.
Further, described audio bass processor also for, a plurality of audio signals that receive are carried out to stereo process, and will obtain reinforcement audio bass data after audio mixing as audio bass data.
Further, described middle and high sound voice data comprises the voice data of L channel and the voice data of R channel.
Further, described device also comprises:
Be connected in the signal amplifier of middle and high sound audio process, for receiving the middle and high sound voice data of middle and high sound audio process, this middle and high sound voice data amplified and exported;
Be connected in the low playback amplifier of audio bass processor, for receiving the audio bass data of audio bass processor, these audio bass data amplified and exported.
Further, described device also comprises: be connected in first of signal amplifier and modify device and the second modification device that is connected in low playback amplifier, described first modifies device and second modifies device for modifying middle and high sound voice data and the audio bass data of signal amplifier and low frequency amplifier output, and the voice data that produces distortion for excessively amplifying is adjusted into available voice data.
Further, also comprise the first output interface that is connected in described the first modification device, for exporting described middle and high sound voice data;
And the second output interface that is connected in described the second modification device, for exporting described audio bass data.
Further, described the first output interface also comprises the first output interface output, for connecting the acoustics with L channel and R channel;
Described the second output interface also comprises the second output interface output, for connecting mega bass acoustics.
Further, also comprise memory module, for storing the driver of middle and high sound audio process and audio bass processor.
The present invention also provides a kind of television system, comprises above-described audio conversion device.
With respect to prior art, the present invention is converted to middle and high sound audio frequency and is converted to audio bass the audio signal of being inputted by television system respectively by two audio process are set, thereby has realized existing TV exportable audio bass also when connecting left, sound channel sound equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention sound intermediate frequency conversion equipment;
Fig. 2 is the structure chart of one embodiment of the present invention sound intermediate frequency conversion equipment.
Embodiment
The invention provides a kind of audio conversion device and television system, this device is provided with middle and high sound audio process and audio bass processor, wherein, the audio processing chip that this middle and high sound audio process and audio bass processor can provide for third party.After the audio signal of the television system receiving, middle and high sound audio process and audio bass processor carry out conversion process to this audio signal respectively, generation has the middle and high sound voice data of L channel audio frequency and right audio channel, and generates the audio bass data with low-frequency sound.
Audio conversion device provided by the invention, after the audio signal receiving is changed, makes not support TV or other multimedia equipments of audio bass output, such as computer etc., and can be by mega bass sound equipment output bass effect.
For further understanding the present invention, provide following examples:
Embodiment mono-
Please refer to Fig. 1, the invention provides a kind of audio conversion device, comprise the audio signal input end 10-1 for input audio signal, 10-2, also comprises:
Be connected in the middle and high sound audio process 11 of audio signal input end 10-1, for a plurality of audio signals that receive are converted to middle and high sound voice data;
And the audio bass processor 12 that is connected in audio signal input end 10-2, for a plurality of audio signals that receive are converted to audio bass data.
In the present embodiment, the audio signal input end 10-1 of this audio conversion device, 10-2 connects middle and high sound audio process 11 and audio bass processor 12 simultaneously, audio signal input end 10-1,10-2 is used for to middle and high sound audio process 11 and audio bass processor 12 input audio signals, the audio signal of this input is L channel and R channel two-way audio signal, and this two-way audio comprises respectively again high-frequency sound, intermediate frequency sound and low-frequency sound signal.
At middle and high sound audio process 11 and audio bass processor 12, receive separately after the audio signal of audio signal input end 11 inputs, the audio signal of 11 pairs of receptions of middle and high sound audio process carries out being generated as middle and high sound voice data after conversion process, and this middle and high sound voice data remains the voice data that comprises L channel and R channel;
The audio signal of 12 pairs of receptions of audio bass processor carries out, after conversion process, this audio signal being converted to audio bass data, and these audio bass data after conversion process are low-frequency sound data.
The audio conversion device providing in the present embodiment, by respectively the audio signal receiving being carried out to conversion process, has realized existing TV and also can connect mega bass sound equipment when connecting a left side, sound channel sound equipment, and output low frequency sound.
Embodiment bis-
The present embodiment is done further optimization on the basis of above embodiment mono-.
As mentioned above, the audio signal of audio input end input is L channel and R channel two-way audio signal, and this two-way audio signal comprises respectively again high-frequency sound, intermediate frequency sound and low-frequency sound.As shown in Figure 2, the audio input interface 20-1 of middle and high sound audio process 21 is receiving a plurality of audio signals (L channel audio frequency of audio input end input, right audio channel) after, by filtering out low-frequency sound wherein, and the intermediate frequency sound after filtering and high-frequency sound be as middle and high sound voice data, this middle and high sound voice data is for having the voice output of general effect.
In the present embodiment, audio bass processor 22 can be a low pass filter, middle and high sound audio process 21 is receiving audio signal input end 20-1, a plurality of audio signals (L channel audio frequency of 20-2 input, right audio channel) after, the intermediate frequency sound and the high-frequency sound that filter out wherein obtain a low-frequency sound, and this low-frequency sound is after filtering as audio bass data.
Exemplarily, such as in television acoustics equipment, play take off time sound, wherein the roar of aircraft is the low-frequency sound lower than 150HZ, the intermediate frequency sound that people's one's voice in speech is about 500HZ, the sound that screams of screw is for much larger than the high-frequency sound of 2KHZ.When TV is exported this sound, will generate a plurality of audio signals that comprise L channel audio frequency and right audio channel, a plurality of audio signals that this audio conversion device comprises L channel audio frequency and right audio channel by audio input end by this input to middle and high sound audio process 21 and audio bass processor 22 simultaneously.Middle and high sound audio process 21 is after receiving a plurality of audio signals of audio input end 20-1 input, by filtering out low-frequency sound (lower than the low-frequency sound aircraft roar of 150HZ) wherein, and by intermediate frequency sound and high-frequency sound (the intermediate frequency sound of about 500HZ after filtering, people's one's voice in speech, and much larger than the high-frequency sound of 2KHZ, the sound that screams of screw) as middle and high sound voice data; Audio bass processor 22 is after receiving a plurality of audio signals of audio input end input, by filtering out intermediate frequency sound and high-frequency sound (the intermediate frequency sound of about 500HZ wherein, people's one's voice in speech, and much larger than the high-frequency sound of 2KHZ, the sound that screams of screw), the low-frequency sound (lower than the low-frequency sound aircraft roar of 150HZ) and after filtering is as audio bass data.
On the other hand, middle and high sound audio process 21 is receiving a plurality of audio signals (L channel audio frequency of audio input end 20-1 input, right audio channel) after, by filtering out low-frequency sound wherein, and the intermediate frequency sound after filtering and high-frequency sound be as middle and high sound voice data, this middle and high sound voice data is for having the voice output of general effect.
Further, the audio conversion device providing in the present embodiment also comprises the signal amplifier 23 connecting with middle and high sound audio process 21, for receiving the middle and high sound voice data of middle and high sound audio process 21, this middle and high sound voice data is amplified and export the first modification device 25 that is connected in signal amplifier 23 to; And the low playback amplifier of connection and audio bass processor 22, for receiving the audio bass data of audio bass processor 22, these audio bass data are amplified and export to and be connected in second of low playback amplifier and modify device 26.
First modifies device 25 and second modifies device 26 after receiving respectively this middle and high sound voice data and audio bass data after signal amplifier 23 and signal amplifier 24 outputs are amplified, need to modify these middle and high sound voice data and audio bass data, the voice data that produces distortion due to excessive amplification is adjusted into available voice data.And export the middle and high sound voice data through modifying after device adjustment to connect described the first modification device 25 the first output interface; And export the audio bass data through modifying after device adjustment to connect described the second modification device 26 the second output interface.
Wherein, this first output interface 27 also comprises the first output interface output, for connecting the acoustics with L channel and R channel, or Full-frequency stereo; This second output interface 28 also comprises the second output interface output, for connecting mega bass acoustics.
In the present embodiment, the first output interface 27 of this audio conversion device also comprises the first output interface output, it is for connecting the acoustics with L channel and R channel, at middle and high sound audio process 21, the audio signal of reception is converted to after the medium, high frequency sound with L channel audio frequency and right audio channel, by signal amplifier 23 amplify and modify after by the acoustics with L channel and R channel being connected with the first output interface 27, export; The second output interface 28 also comprises the second output interface output, be used for connecting mega bass acoustics, at audio bass processor 22, the audio signal of reception is converted to after low-frequency sound, by signal amplifier 24 amplify and modify after by the mega bass acoustics being connected with the second output interface 28, export this low-frequency sound data.
Further, the audio conversion device providing in the present embodiment also comprises and connecting and the memory module 29 of middle and high sound audio process 21 with audio bass processor 22, stores the driver of middle and high sound audio process 21 and audio bass processor 22 in this memory module 29.
This memory module 29 can be EEPROM memory module 29, the driver of these memory module 29 storages is the software of on-line operation on middle and high sound audio process 21 and audio bass processor 22 equipment, pass through just driver, middle and high sound audio process 21 could normally move with audio bass processor 22, reaches set working effect.
This device also comprises the power supply connecting with memory module 29, and this power supply is used for controlling described memory module 29 and powers on for described middle and high sound audio process 21 and audio bass processor 22.Power module is in the present embodiment used to middle and high sound audio process 21 and audio bass processor 22 to power on, it is connected with memory module 29, and power supply powers on via memory module 29 controls to middle and high sound audio process 21 and audio bass processor 22.
The present embodiment also provides a kind of television system, and it comprises the audio conversion device that above-described embodiment one and embodiment bis-provide; And comprising the audio signal output end 20-1 being connected with the audio signal input end of described audio conversion device, 20-2, exports audio signal input end 20-1,20-2 to for the audio signal that described television system is generated.
This television system is sent to audio signal to be connected in audio signal input end 20-1 by audio signal output end, and the middle and high sound audio process 21 of 20-2, for being converted to middle and high sound voice data by a plurality of audio signals that receive; And by audio signal output end, audio signal is sent to and is connected in audio signal input end 20-1, the audio bass processor 22 of 20-2, for by a plurality of audio signals that receive, is converted to audio bass data.
In sum, the audio conversion device providing in the present invention and television system, by being set, two audio process respectively the audio signal of being inputted by television system is carried out to conversion process, and in order further to improve audio quality, also be provided with amplifier and modify device and modify the voice data after this conversion process, and flow to external Full-frequency stereo and mega bass sound equipment, realize existing TV and connected a left side, in the time of R channel sound equipment, also can connect mega bass sound equipment, and export audio bass, device provided by the invention has solved the problem that existing most of TV cannot be exported audio bass, and have with low cost, be easy to the advantage realizing.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (10)
1. an audio conversion device, comprises the audio signal input end for input audio signal, it is characterized in that, described device also comprises:
Be connected in the middle and high sound audio process of audio signal input end, for a plurality of audio signals that receive are converted to middle and high sound voice data;
And the audio bass processor that is connected in audio signal input end, for a plurality of audio signals that receive are converted to audio bass data.
2. device as claimed in claim 1, is characterized in that, described audio signal comprises high-frequency sound signal, sound intermediate frequency signal and low-frequency sound signal,
Described middle and high sound audio process is used for, and receives a plurality of audio signals of input, filters out low-frequency sound wherein, and the intermediate frequency sound after filtering and high-frequency sound are as middle and high sound voice data;
Described audio bass processor is used for, and receives a plurality of audio signals of input, filters out intermediate frequency sound and high-frequency sound wherein, and the low-frequency sound after filtering is as audio bass data.
3. device as claimed in claim 1, is characterized in that, described audio bass processor is further used for, and a plurality of audio signals that receive are carried out to stereo process, and using the reinforcement audio bass data after acquisition audio mixing as audio bass data.
4. the device as described in any one in claim 1-3, is characterized in that, described middle and high sound voice data comprises the voice data of L channel and the voice data of R channel.
5. the device as described in any one in claim 1-3, is characterized in that, described device also comprises:
Be connected in the signal amplifier of middle and high sound audio process, for receiving the middle and high sound voice data of middle and high sound audio process, this middle and high sound voice data amplified and exported;
Be connected in the low playback amplifier of audio bass processor, for receiving the audio bass data of audio bass processor, these audio bass data amplified and exported.
6. device as claimed in claim 5, it is characterized in that, described device also comprises: be connected in first of signal amplifier and modify device and the second modification device that is connected in low playback amplifier, described first modifies device and second modifies device for modifying middle and high sound voice data and the audio bass data of signal amplifier and low frequency amplifier output, and the voice data that produces distortion for excessively amplifying is adjusted into available voice data.
7. device as claimed in claim 6, is characterized in that, also comprises the first output interface that is connected in described the first modification device, for exporting described middle and high sound voice data;
And the second output interface that is connected in described the second modification device, for exporting described audio bass data.
8. device as claimed in claim 7, is characterized in that, described the first output interface also comprises the first output interface output, for connecting the acoustics with L channel and R channel;
Described the second output interface also comprises the second output interface output, for connecting mega bass acoustics.
9. device as claimed in claim 1, is characterized in that, also comprises memory module, for storing the driver of middle and high sound audio process and audio bass processor.
10. a television system, is characterized in that, comprises the audio conversion device described in claim 1 to 9 any one.
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| CN201310695396.1A CN103702047A (en) | 2013-12-13 | 2013-12-13 | Audio conversion device and television system |
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| CN201310695396.1A CN103702047A (en) | 2013-12-13 | 2013-12-13 | Audio conversion device and television system |
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Cited By (7)
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| CN105261365A (en) * | 2015-09-15 | 2016-01-20 | 北京云知声信息技术有限公司 | Audio output method and device |
| CN105338448A (en) * | 2015-11-18 | 2016-02-17 | 深圳创维－Rgb电子有限公司 | Sound control method and device |
| CN107371108A (en) * | 2017-08-28 | 2017-11-21 | 四川湖山电器有限责任公司 | A kind of multi-channel speaker system and equipment |
| CN108469948A (en) * | 2018-03-28 | 2018-08-31 | 联想(北京)有限公司 | Terminal and audio-frequency inputting method |
| CN111601159A (en) * | 2020-05-27 | 2020-08-28 | 海信视像科技股份有限公司 | Display device, digital audio signal generation method and digital audio signal processing method |
| CN112152576A (en) * | 2019-06-27 | 2020-12-29 | 名世电子企业股份有限公司 | Natural sound field sound dividing system of vacuum tube and transistor amplifier |
| CN113810829A (en) * | 2020-06-11 | 2021-12-17 | 耳一号声学科技(深圳)有限公司 | Method and apparatus for processing audio signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105261365A (en) * | 2015-09-15 | 2016-01-20 | 北京云知声信息技术有限公司 | Audio output method and device |
| CN105338448A (en) * | 2015-11-18 | 2016-02-17 | 深圳创维－Rgb电子有限公司 | Sound control method and device |
| CN105338448B (en) * | 2015-11-18 | 2018-07-31 | 深圳创维－Rgb电子有限公司 | Audio controlling method and device |
| CN107371108A (en) * | 2017-08-28 | 2017-11-21 | 四川湖山电器有限责任公司 | A kind of multi-channel speaker system and equipment |
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| CN111601159A (en) * | 2020-05-27 | 2020-08-28 | 海信视像科技股份有限公司 | Display device, digital audio signal generation method and digital audio signal processing method |
| CN113810829A (en) * | 2020-06-11 | 2021-12-17 | 耳一号声学科技(深圳)有限公司 | Method and apparatus for processing audio signal |
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