CN201805538U - Circuit for improving play sound articulation according to ambient sound, and device thereof - Google Patents
Circuit for improving play sound articulation according to ambient sound, and device thereof Download PDFInfo
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- CN201805538U CN201805538U CN2010205285917U CN201020528591U CN201805538U CN 201805538 U CN201805538 U CN 201805538U CN 2010205285917 U CN2010205285917 U CN 2010205285917U CN 201020528591 U CN201020528591 U CN 201020528591U CN 201805538 U CN201805538 U CN 201805538U
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Abstract
The utility model discloses a circuit for improving play sound articulation according to ambient sound, comprising an audio module, a sampling microphone, a processor and an adjusting circuit, wherein the processor comprises a digital audio frequency processing module and a central processing unit (CPU) module; the adjusting circuit comprises a frequency adjusting circuit and a phase adjusting circuit which are connected with each other and are connected with the CPU module; the digital audio frequency processing module is used for receiving ambient sound signals acquired by the sampling microphone, comparing the ambient sound signals with an audio signal for processing, and outputting the result obtained by comparison and processing to the CPU module; the CPU module is used for receiving the result obtained by comparison and processing and sending adjustment command to the frequency adjusting circuit and the phase adjusting circuit according to the result obtained by comparison and processing; and the frequency adjusting circuit and the phase adjusting circuit are used for adjusting the audio signal according to the adjustment command. The utility model can be used for improving the play sound articulation.
Description
Technical field
The utility model relates to a kind of circuit that adjustment plays sound according to ambient sound and device, especially relates to a kind of circuit and device that improves the definition that plays sound according to ambient sound.
Background technology
But along with the development of science and technology growth in the living standard, people's sound to audio-video equipment when appreciating audio-video equipment requires also more and more higher.But because the influence of the influence of ambient sound or audio-video equipment self design, the sound that makes a lot of situation servants hear is often also unintelligible, causes can not hear clearly or mishearing.Wherein, the influence performance of audio-video equipment self design is apparent that existing ultra-thin panel TV the most.Because because the restriction of size and the needs of appearance looks elegant, in ultra-thin panel TV, a lot of horn designs become opening or built-in design down, add the resonance of thin plastic cement shell and more inner parts, the sound that sends is unsatisfactory, especially the phenomenons such as housing resonance that the sound coloration of intermediate frequency (nasal sound phenomenon) phenomenon and low frequency cause are the most serious, thereby cause the definition of sound not enough.
Prior art is in order to solve under a riot of sound environment because of the unheard defective of the little people of causing of volume, and by adjusting volume according to environmental noise automatically, well having solved volume can not be according to the problem of environmental change.But this kind mode can only be adjusted volume according to ambient sound, and can not solve the not enough problem of sound articulation that causes because of sound coloration, distortion etc.
Therefore, how development and Design is a kind of improves the play sound technology of definition of audio-video equipment by testing environment sound and has become the technical problem that current urgent need solves.
The utility model content
The utility model can only be adjusted volume according to ambient sound automatically in order to solve prior art, and can not solve the not enough problem of sound articulation, and a kind of circuit and device that improves the definition that plays sound according to ambient sound is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is improved the circuit of the definition that plays sound for design is a kind of according to ambient sound, comprising: one receives and the audio-frequency module of output audio signal; One sampling microphone, processor and the adjustment circuit that connects successively, and the input of described adjustment circuit links to each other with the output of audio-frequency module; Described processor comprises a digital audio processing module and a CPU module, and described adjustment circuit comprises frequency regulating circuit and the phase-adjusting circuit that interconnects and all be connected with the CPU module; Described digital audio processing module receives the environmental sound signal of described sampling microphone collection and described environmental sound signal and described audio signal is compared processing back output comparison process result to the CPU module, the CPU module receives described comparison process result and sends the adjustment instruction according to described comparison process result and give frequency regulating circuit and phase-adjusting circuit, and frequency regulating circuit and phase-adjusting circuit are according to adjusting the described audio signal of instruction adjustment.
Describedly improve the control signal input module that the definition circuit that plays sound comprises also whether the described sampling microphone of a control works according to ambient sound.
The output of described adjustment circuit also is connected with buffer amplifier, power amplifier and loud speaker.
Described audio-frequency module comprises L channel audio-frequency module and right audio channel module, described sampling microphone comprises L channel sampling microphone and R channel sampling microphone, and described adjustment circuit comprises the L channel frequency regulating circuit corresponding with described L channel audio-frequency module and L channel phase-adjusting circuit and R channel frequency regulating circuit and the R channel phase-adjusting circuit corresponding with described right audio channel module.
The utility model also provides a kind of device that improves the definition that plays sound according to ambient sound, comprise that one improves the circuit of the definition that plays sound according to ambient sound, the described circuit that improves the definition that plays sound according to ambient sound comprises: one receives and the audio-frequency module of output audio signal; One sampling microphone, processor and the adjustment circuit that connects successively, and the input of described adjustment circuit links to each other with the output of audio-frequency module; Described processor comprises a digital audio processing module and a CPU module, and described adjustment circuit comprises frequency regulating circuit and the phase-adjusting circuit that interconnects and all be connected with the CPU module; Described digital audio processing module receives the environmental sound signal of described sampling microphone collection and described environmental sound signal and described audio signal is compared processing back output comparison process result to the CPU module, the CPU module receives described comparison process result and sends the adjustment instruction according to described comparison process result and give frequency regulating circuit and phase-adjusting circuit, and frequency regulating circuit and phase-adjusting circuit are according to adjusting the described audio signal of instruction adjustment.
The utility model is gathered environmental sound signal automatically by the sampling microphone is set, and with after the environmental sound signal sending processor processing of gathering, send the audio signal of original input is adjusted in the adjustment instruction respectively to frequency regulating circuit and phase-adjusting circuit frequency and phase place by processor, effectively improved audio-visual systems such as the television set not enough problem of definition that plays sound, and have intelligently, be user-friendly to.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is elaborated, wherein:
Fig. 1 is the utility model embodiment one circuit theory diagrams;
Fig. 2 is the utility model embodiment two circuit theory diagrams.
Embodiment
Embodiment one
See also Fig. 1.The utility model comprises audio-frequency module, adjusts circuit, buffer amplifier, power amplifier, loud speaker, sampling microphone, control signal input module and processor module according to the circuit that ambient sound improves the definition that plays sound.Audio-frequency module, adjustment circuit, buffer amplifier, power amplifier are connected successively with loud speaker, and the sampling microphone is connected the back respectively with the control signal input module and is connected with the adjustment circuit with processor module.Wherein:
Audio-frequency module receives and output audio signal, and this audio signal is the original input audio signal of adjusting without crossing.
The sampling microphone is gathered the voice signal of surrounding environment and the environmental sound signal of gathering is delivered to processor processing.
Processor comprises a digital audio processing module and a CPU module, wherein, the digital audio processing module receives the environmental sound signal of described sampling microphone collection and described environmental sound signal and described audio signal is compared processing back output comparison process result to the CPU module, the CPU module receives described comparison process result and sends the adjustment instruction according to described comparison process result and give the adjustment circuit, and the adjustment circuit instructs according to described adjustment and adjusts audio signal.
Adjust circuit and comprise frequency regulating circuit and the phase-adjusting circuit that interconnects and all be connected, and the input of adjustment circuit is connected with the output of audio-frequency module with the CPU module.Adjust circuit and receive the audio signal of audio-frequency module output and the adjustment instruction that the CPU module transmits, and according to the described adjustment instruction frequency and the phase place of adjustment audio signal in frequency regulating circuit and phase-adjusting circuit successively, adjusted audio signal is amplified the back from the loud speaker playing sound through buffer amplifier and power amplifier.Certainly, the utility model does not limit the priority position of frequency regulating circuit and phase-adjusting circuit, can adjust the phase place of audio signal earlier by the frequency of frequency regulating circuit adjustment audio signal again by phase-adjusting circuit, also can adjust the frequency of audio signal earlier by the phase place of phase-adjusting circuit adjustment audio signal again by frequency regulating circuit.
Whether the control signal input module is mainly used in control circuit improves audio signal according to ambient signal, in this specific embodiment, whether work by control sampling microphone and to realize that it is made of a switching circuit, shift knob can be, also remote control switch can be.Certainly, also the control signal input module can be set, but all circuit compositions are started working all after power on circuitry.
Operation principle of the present utility model is as follows: after the control signal input module receives start signal, the sampling microphone is gathered the voice signal of surrounding environment, and the environmental sound signal of described collection sent to pass to the CPU module in the digital audio processing module after the comparison process, and send instruction by the CPU module and give frequency regulating circuit and phase-adjusting circuit, the corresponding frequency range of input signal is promoted or decays, also adjust simultaneously for the phase place of the corresponding band of input signal, deliver to power after adjusted signal is delivered to that buffer amplifier is pre-and amplified again and send out device big and amplify the back and promote the speaker system sounding, make the sound articulation of playing improve.Certainly, also the utility model also can be handled at the audio signal of a certain frequency range specially, to improve the definition of voice signal in this band limits, roughly be in this frequency range of 200Hz-3KHz as fundamental frequency owing to voice, therefore, the working range of improving circuit can be arranged on this frequency range, only improve the definition of people's sound.
Embodiment two
See also Fig. 2.Fig. 2 is divided into the embodiment of L channel and R channel for the utility model audio signal.Wherein, the L channel circuit comprises L channel audio-frequency module, L channel frequency regulating circuit, L channel phase-adjusting circuit, L channel buffer amplifier, L channel power amplifier and the left channel loudspeaker that connects successively; The R channel circuit comprises right audio channel module, R channel frequency regulating circuit, R channel phase-adjusting circuit, R channel buffer amplifier, R channel power amplifier and the right channel loudspeaker that connects successively.Its operation principle is identical with embodiment one, only adjustment is subdivided into the adjustment of L channel adjustment and R channel.
The utility model is by automatic test environment voice signal and adjust the frequency and the phase place of input audio signal automatically, it is dim effectively to have improved audio-visual system sound such as television set, defectives such as voice language muddiness, have intelligent, be user-friendly to, but can be used in the device of all playing audio signals.
Claims (8)
1. one kind is improved the circuit of the definition that plays sound according to ambient sound, comprising: one receives and the audio-frequency module of output audio signal; One sampling microphone, processor and the adjustment circuit that connects successively, and the input of described adjustment circuit links to each other with the output of audio-frequency module; It is characterized in that: described processor comprises a digital audio processing module and a CPU module, and described adjustment circuit comprises frequency regulating circuit and the phase-adjusting circuit that interconnects and all be connected with the CPU module; Described digital audio processing module receives the environmental sound signal of described sampling microphone collection and described environmental sound signal and described audio signal is compared processing back output comparison process result to the CPU module, the CPU module receives described comparison process result and sends the adjustment instruction according to described comparison process result and give frequency regulating circuit and phase-adjusting circuit, and frequency regulating circuit and phase-adjusting circuit are according to adjusting the described audio signal of instruction adjustment.
2. according to claim 1ly improve the circuit of the definition that plays sound, it is characterized in that: describedly improve the control signal input module that the definition circuit that plays sound comprises also whether the described sampling microphone of a control works according to ambient sound according to ambient sound.
3. according to claim 1ly improve the circuit of the definition that plays sound according to ambient sound, it is characterized in that: the output of described adjustment circuit also is connected with buffer amplifier, power amplifier and loud speaker.
4. the circuit that improves the definition that plays sound according to ambient sound according to claim 1, it is characterized in that: described audio-frequency module comprises L channel audio-frequency module and right audio channel module, described sampling microphone comprises L channel sampling microphone and R channel sampling microphone, and described adjustment circuit comprises the L channel frequency regulating circuit corresponding with described L channel audio-frequency module and L channel phase-adjusting circuit and R channel frequency regulating circuit and the R channel phase-adjusting circuit corresponding with described right audio channel module.
5. device that improves the definition that plays sound according to ambient sound, comprise that one improves the circuit of the definition that plays sound according to ambient sound, the described circuit that improves the definition that plays sound according to ambient sound comprises: one receives and the audio-frequency module of output audio signal; One sampling microphone, processor and the adjustment circuit that connects successively, and the input of described adjustment circuit links to each other with the output of audio-frequency module; It is characterized in that: described processor comprises a digital audio processing module and a CPU module, and described adjustment circuit comprises frequency regulating circuit and the phase-adjusting circuit that interconnects and all be connected with the CPU module; Described digital audio processing module receives the environmental sound signal of described sampling microphone collection and described environmental sound signal and described audio signal is compared processing back output comparison process result to the CPU module, the CPU module receives described comparison process result and sends the adjustment instruction according to described comparison process result and give frequency regulating circuit and phase-adjusting circuit, and frequency regulating circuit and phase-adjusting circuit are according to adjusting the described audio signal of instruction adjustment.
6. according to claim 5ly improve the device of the definition that plays sound, it is characterized in that: describedly improve the control signal input module that the definition circuit that plays sound comprises also whether the described sampling microphone of a control works according to ambient sound according to ambient sound.
7. according to claim 5ly improve the device of the definition that plays sound according to ambient sound, it is characterized in that: the output of described adjustment circuit also is connected with buffer amplifier, power amplifier and loud speaker.
8. the device that improves the definition that plays sound according to ambient sound according to claim 5, it is characterized in that: described audio-frequency module comprises L channel audio-frequency module and right audio channel module, described sampling microphone comprises L channel sampling microphone and R channel sampling microphone, and described adjustment circuit comprises the L channel frequency regulating circuit corresponding with described L channel audio-frequency module and L channel phase-adjusting circuit and R channel frequency regulating circuit and the R channel phase-adjusting circuit corresponding with described right audio channel module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205285917U CN201805538U (en) | 2010-09-10 | 2010-09-10 | Circuit for improving play sound articulation according to ambient sound, and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205285917U CN201805538U (en) | 2010-09-10 | 2010-09-10 | Circuit for improving play sound articulation according to ambient sound, and device thereof |
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| CN201805538U true CN201805538U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205285917U Expired - Fee Related CN201805538U (en) | 2010-09-10 | 2010-09-10 | Circuit for improving play sound articulation according to ambient sound, and device thereof |
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| CN (1) | CN201805538U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986892A (en) * | 2014-05-14 | 2014-08-13 | 南京熊猫电子股份有限公司 | Setting device and method for accompanying sound control curve of flat-panel television receiver |
| CN105101006A (en) * | 2014-05-13 | 2015-11-25 | 深圳Tcl新技术有限公司 | Wireless microphone and wireless karaoke control system |
| CN105939503A (en) * | 2016-06-08 | 2016-09-14 | 钰太芯微电子科技（上海）有限公司 | Multi-mode microphone |
| CN107274909A (en) * | 2017-06-16 | 2017-10-20 | 深圳市华域无线技术股份有限公司 | A kind of active the machine audio removing method in speech recognition |
| WO2023284406A1 (en) * | 2021-07-13 | 2023-01-19 | 荣耀终端有限公司 | Call method and electronic device |
-
2010
- 2010-09-10 CN CN2010205285917U patent/CN201805538U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101006A (en) * | 2014-05-13 | 2015-11-25 | 深圳Tcl新技术有限公司 | Wireless microphone and wireless karaoke control system |
| CN103986892A (en) * | 2014-05-14 | 2014-08-13 | 南京熊猫电子股份有限公司 | Setting device and method for accompanying sound control curve of flat-panel television receiver |
| CN103986892B (en) * | 2014-05-14 | 2017-05-17 | 南京熊猫电子股份有限公司 | Setting device and method for accompanying sound control curve of flat-panel television receiver |
| CN105939503A (en) * | 2016-06-08 | 2016-09-14 | 钰太芯微电子科技（上海）有限公司 | Multi-mode microphone |
| CN105939503B (en) * | 2016-06-08 | 2024-01-16 | 钰太芯微电子科技（上海）有限公司 | Multi-mode microphone |
| CN107274909A (en) * | 2017-06-16 | 2017-10-20 | 深圳市华域无线技术股份有限公司 | A kind of active the machine audio removing method in speech recognition |
| WO2023284406A1 (en) * | 2021-07-13 | 2023-01-19 | 荣耀终端有限公司 | Call method and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20170910 |