CN217509039U - Hall pickup sound amplification system - Google Patents
Hall pickup sound amplification system Download PDFInfo
- Publication number
- CN217509039U CN217509039U CN202220730351.8U CN202220730351U CN217509039U CN 217509039 U CN217509039 U CN 217509039U CN 202220730351 U CN202220730351 U CN 202220730351U CN 217509039 U CN217509039 U CN 217509039U
- Authority
- CN
- China
- Prior art keywords
- sound
- hall
- ceiling
- equalizer
- loudspeaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model discloses a hall pickup system of amplifying sound, include: the input equipment comprises a wireless microphone and a hand-in-hand conference microphone, and is connected with a sound console; the sound console is arranged on the ground of the hall and is connected with an equalizer; the equalizer is connected with a power amplifier; the power amplifier is connected with a plurality of loudspeakers; the loudspeakers comprise array sound column loudspeakers and ceiling loudspeakers, the array sound column loudspeakers uniformly cover the space inside the hall, and the ceiling loudspeakers are arranged on the ceiling of the hall; the inlet and outlet ends of the feedback suppressor are connected with the sound console and are used for reducing acoustic feedback in the system; the input equipment, the sound console, the equalizer, the power amplifier and the loudspeaker are sequentially connected to the time sequence power supply; the utility model has the advantages of good sound amplifying effect, noise prevention and comprehensive coverage.
Description
Technical Field
The utility model belongs to the technical field of the sound amplification, specifically a hall pickup sound amplification system.
Background
A public address system is generally a system that amplifies the speaker's voice in real time to the listener, and the speaker and listener are usually in the same acoustic environment. A successful sound amplification system must have sufficient loudness (sufficient acoustic gain) and sufficient reproduction and be able to make the sound uniformly cover the audience, while not covering the area without audience.
The sound amplifying system comprises sound amplifying equipment and a sound field, and mainly comprises a sound source, a sound environment around the sound source, a microphone for converting sound into an electric signal, equipment for amplifying and processing the signal, a transmission line, a loudspeaker for converting the signal into the sound signal, and an acoustic environment of an audience area.
The Chinese patent of the invention (application number CN201910544024.6) discloses a digital sound amplifying system and a method thereof, relating to the technical field of sound amplifying systems. The system comprises an integrated sound box, a sound pickup unit and a control unit; the integrated sound box comprises an input unit, a digital processing unit, a power amplifying unit, a loudspeaker unit and a power supply module; a digital audio processing module in the digital processing unit carries out dynamic audio processing on the audio signal according to the configuration information; the power amplification unit receives the processed audio signal; the loudspeaker unit receives the amplified audio signal; the power supply module supplies power to the integrated sound box; the sound pickup unit picks up audio signals in an acoustic environment; the control unit can change the configuration information; the configuration information includes a simple mode, a professional mode, and an advanced mode, but how to reduce noise of the sound source and improve sound definition are not disclosed, and a connection relationship between the modules is not described.
The defects of the prior art are as follows: when the sound amplifying system is used, the problems of large sound feedback and noise easily exist, and the sound distribution is uneven, so that the problem that local sound is too large or cannot be heard clearly easily is easily caused.
Disclosure of Invention
The utility model aims at the problem that prior art exists, provide a hall pickup public address system, have the advantage that public address is effectual, noise control sound, comprehensive cover.
In order to achieve the above object, the utility model adopts the following technical scheme: a hall acoustics picking system comprising: the system comprises an input device, a sound console, an equalizer, a power amplifier, a loudspeaker, a feedback suppressor and a time sequence power supply;
the input device is used for inputting sound source information, the input device comprises a wireless microphone and a hand-in-hand conference microphone, and the input device is connected with a sound console;
the sound console is used for processing a sound source and arranged on the ground of the hall, and the sound console is connected with an equalizer;
the equalizer is used for adjusting the frequency response characteristic curve of the sound in the hall and is connected with a power amplifier;
the power amplifier is used for increasing the power of the electric signals and is connected with a plurality of loudspeakers;
the loudspeaker is used for converting the electric signal into sound, and comprises an array sound column loudspeaker and a ceiling-mounted ceiling loudspeaker, wherein the array sound column loudspeaker uniformly covers the space inside the hall, and the ceiling-mounted ceiling loudspeaker is arranged on the ceiling of the hall;
the inlet and outlet ends of the feedback suppressor are connected with the sound console and are used for reducing acoustic feedback in the system;
the time sequence power supply is used for controlling the sequence of power-on and power-off;
the input device, the sound console, the equalizer, the power amplifier and the loudspeaker are sequentially connected to the time sequence power supply.
In the above scheme, the input device is used for inputting the sound source of the system, and comprises a microphone and an audio player, the wireless microphone is convenient for people to move and use at each position of a hall, the hand-in-hand conference microphone is convenient to use at a fixed position and can be suitable for the use condition of a plurality of people, no extra socket is occupied, the signal is stable, the input device transmits the sound to the sound console in the form of an electric signal, the sound console can compensate, attenuate and regulate the volume of the sound and control a signal transmission channel, the sound console is arranged on the ground of the hall and is convenient to adjust in real time according to the sound effect, the equalizer is connected to regulate and control the sound frequency, the response condition of different frequencies of the sound is different due to different hall environments, the purpose of adjusting the timbre is achieved by adjusting the sound of each frequency band, and the power amplifier amplifies the electric signal, the array sound post loudspeakers can be arranged at four corners of the hall, so that the sound is transmitted to the middle of the hall, is blocked and absorbed by seats and people in the transmission process, and compensates the part of sound through the ceiling-mounted ceiling loudspeaker; because the sound that the speaker sent can propagate to input device again, arouse the sound of howling, the acoustic feedback phenomenon promptly, the acoustic feedback of degree of depth still can cause the damage to equipment, carry out further suppression, decay to the frequency channel of acoustic feedback through the feedback suppressor, its suppression effect is many more than the equalizer, supply power to input device, sound console, equalizer, power amplifier, speaker through the chronogenesis power in proper order, the outage in proper order from the back level to the front level avoids artificial error, is favorable to the work of system, reduce the impact when circular telegram.
Further, the input device comprises a recording sound source input device and an ear microphone.
The audio source input device comprises an audio player or a disk player, and the ear-mounted microphone is convenient for people to move and use at various positions in a hall.
Furthermore, the ceiling-mounted loudspeakers are uniformly arranged on the ceiling of the hall, and the coverage angle of each ceiling-mounted loudspeaker is 90-120 degrees.
The ceiling-mounted ceiling loudspeakers can be distributed on the ceiling along an equidistant array, and the distance between the two ceiling-mounted ceiling loudspeakers is adjusted according to the height of the ceiling to ensure that the coverage angle is 90-120 degrees and the sound transmission effect is ensured.
Further, an exciter is arranged between the sound console and the equalizer, and the exciter is used for improving the loudness of sound.
The exciter is arranged to increase the harmonic wave and volume of sound, increase the penetrating power of sound, and have a good reinforcing effect on bass, so that the sound is clear and understandable.
Furthermore, a voltage limiter and a frequency divider are arranged behind the equalizer, the frequency divider is connected with a plurality of power amplifiers, the voltage limiter is used for protecting the system, and the frequency divider is used for dividing the sound into frequencies and transmitting the sound into frequency divisions.
The line ball ware contains compressor and limiter, and the compressor can be enlargied the level, and along with its gain effect of the increase of input level reduces, the limiter can be injectd and adjust output level maximum value to protection system, the speaker is different to the sound output's of different frequency channels effect, and the frequency divider can send the sound frequency division rate into different power amplifier, thereby pronounces according to the different speakers of frequency channel selection, improves the sound amplification effect.
Further, the feedback suppressor is connected in series to a channel of a grouping of the sound mixing console, and the wireless microphone and the hand-held conference microphone are both contained in the grouping.
By connecting the feedback suppressor in series with the marshalling channel, the sound feedback of the wireless microphone and the hand-held conference microphone in the marshalling can be suppressed, and the howling is avoided.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model inhibits the sound feedback in the system by arranging the feedback suppressor and the equalizer, avoids the noise, improves the sound amplification effect and reduces the damage to the equipment;
(2) the utility model has the advantages that the ceiling-mounted loudspeaker and the array sound post loudspeaker are matched with the power amplifier, so that the hall is covered completely, and the sound amplification effect is improved;
(3) the utility model arranges the sound console in the hall, which is convenient for receiving the site state, is convenient for manual real-time regulation and control, is provided with a wireless microphone and a hand-in-hand conference microphone, and is convenient for multi-point sound input and mobile sound input;
(4) the utility model discloses a set up chronogenesis power, feedback inhibitor, pressure limiter and protect the system, improve life.
Drawings
Fig. 1 is a connection structure diagram of embodiment 1 of the present invention;
fig. 2 is a schematic plan view of embodiment 1 of the present invention;
fig. 3 is a schematic distribution diagram of a ceiling-mounted ceiling speaker according to embodiment 1 of the present invention;
fig. 4 is a connection structure diagram of embodiment 2 of the present invention;
in the figure: 1. an input device; 2. a sound console; 3. ceiling mounted loudspeakers; 4. a feedback suppressor; 5. array sound column loudspeaker.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 3, a hall pick-up and sound amplification system includes: the system comprises an input device 1, a sound console 2, an equalizer, a power amplifier, a loudspeaker, a feedback suppressor 4 and a time sequence power supply;
the input device 1 is used for inputting sound source information, the input device 1 comprises a wireless microphone and a hand-in-hand conference microphone, and the input device 1 is connected with a sound console 2;
the sound console 2 is used for processing a sound source, the sound console 2 is arranged on the ground of a hall, and the sound console 2 is connected with an equalizer;
the equalizer is used for adjusting the frequency response characteristic curve of the sound in the hall and is connected with a power amplifier;
the power amplifier is used for increasing the power of the electric signals and is connected with a plurality of loudspeakers;
the loudspeaker is used for converting the electric signal into sound, the loudspeaker comprises an array sound column loudspeaker 5 and a ceiling-mounted ceiling loudspeaker 3, the array sound column loudspeaker 5 uniformly covers the space inside the hall, and the ceiling-mounted ceiling loudspeaker 3 is arranged on the ceiling of the hall;
the inlet and outlet ends of the feedback suppressor 4 are connected with the sound console 2 and are used for reducing acoustic feedback in the system;
the time sequence power supply is used for controlling the sequence of power-on and power-off;
the input device 1, the sound console 2, the equalizer, the power amplifier and the loudspeaker are sequentially connected to a time sequence power supply.
In the above scheme, the input device 1 is used for inputting sound source to the system, and comprises a microphone and an audio player, the wireless microphone is convenient for people to use in each position of a hall in a mobile manner, the hand-held meeting microphone is convenient to use in a fixed position, and the signal is stable, the input device 1 transmits the sound to the sound console 2 in the form of electric signals, the sound console 2 can compensate, attenuate and adjust the volume of the sound and control the signal transmission channel, the sound console is arranged on the ground of the hall, and is convenient to adjust in real time according to the sound effect, the equalizer is connected to adjust and control the sound frequency, the response conditions of different frequencies of the sound are different due to different hall environments, the purpose of adjusting the tone is achieved by adjusting the sound of each frequency band, the power amplifier amplifies the electric signals, thereby driving the loudspeaker to work, and the loudspeaker converts the electric signals into the sound, the output is carried out, because the hall site environment can be blocked and absorbed by sound, the sound effects of different parts of the hall are different, the array sound column loudspeaker 5 and the ceiling-mounted loudspeaker 3 are arranged to ensure that the sound uniformly covers all the positions of the hall, the array sound column loudspeaker 5 can be arranged at four corners of the hall, so that the sound is transmitted to the middle part of the hall, the sound is blocked and absorbed by seats and people in the transmission process, and the ceiling-mounted loudspeaker 3 is used for compensating the sound; because the sound that the speaker sent can propagate to input device 1 again, arouse the sound of howling, the acoustic feedback phenomenon promptly, the acoustic feedback of degree of depth still can cause the damage to equipment, carry out further suppression, decay to the frequency channel of acoustic feedback through feedback suppressor 4, its suppression effect is many more than the equalizer, supply power to input device 1, sound console 2, equalizer, power amplifier, speaker through the chronogenesis power in proper order, by the outage of the preceding stage in proper order of back stage, avoid artificial error, be favorable to the work of system, reduce the impact when circular telegram.
Further, the input device 1 includes a recording sound source input unit and an ear microphone.
The audio source input device comprises an audio player or a disk player, and the ear-mounted microphone is convenient for people to move and use at various positions in a hall.
Further, the ceiling-mounted ceiling speakers 3 are uniformly arranged on the ceiling of the hall, and the coverage angle of each ceiling-mounted ceiling speaker 3 is 90-120 degrees.
The ceiling-mounted ceiling loudspeakers 3 can be distributed on the ceiling along an equidistant array, and the distance between the two ceiling-mounted ceiling loudspeakers 3 is adjusted according to the height of the ceiling to ensure that the coverage angle is 90-120 degrees and the sound transmission effect is ensured.
Further, the feedback suppressor 4 is connected in series to a channel of a group of the sound console 2, and the wireless microphone and the hand-held conference microphone are both included in the group.
By connecting the feedback suppressor 4 in series to the grouping channel, the acoustic feedback of the wireless microphone and the hand-in-hand conference microphone in the grouping can be suppressed, and the howling can be avoided.
Example 2
As shown in fig. 4, the hall sound collecting and amplifying system of the present embodiment is further optimized based on embodiment 1:
further, an exciter is arranged between the sound console 2 and the equalizer, and the exciter is used for improving the loudness of sound.
The exciter is arranged to increase the harmonic wave and volume of sound, increase the penetrating power of sound, and have a good reinforcing effect on bass, so that the sound is clear and understandable.
Furthermore, a voltage limiter and a frequency divider are arranged behind the equalizer, the frequency divider is connected with the two power amplifiers, the voltage limiter is used for protecting the system, and the frequency divider is used for dividing the sound into frequency and transmitting the sound into frequency bands.
The line ball ware contains compressor and limiter, and the compressor can be enlargied the level, and along with its gain effect of the increase of input level reduces, the limiter can be injectd and adjust output level maximum value to protection system, the speaker is different to the sound output's of different frequency channels effect, and the frequency divider can send the sound frequency division rate into different power amplifier, thereby pronounces according to the different speakers of frequency channel selection, improves the sound amplification effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A hall acoustics amplification system, comprising: the system comprises an input device, a sound console, an equalizer, a power amplifier, a loudspeaker, a feedback suppressor and a time sequence power supply;
the input device is used for inputting sound source information, the input device comprises a wireless microphone and a hand-in-hand conference microphone, and the input device is connected with a sound console;
the sound console is used for processing a sound source and arranged on the ground of the hall, and the sound console is connected with an equalizer;
the equalizer is used for adjusting the frequency response characteristic curve of the sound in the hall and is connected with a power amplifier;
the power amplifier is used for increasing the power of the electric signals and is connected with a plurality of loudspeakers;
the loudspeaker is used for converting the electric signal into sound, and comprises an array sound column loudspeaker and a ceiling-mounted ceiling loudspeaker, wherein the array sound column loudspeaker uniformly covers the space inside the hall, and the ceiling-mounted ceiling loudspeaker is arranged on the ceiling of the hall;
the inlet and outlet ends of the feedback suppressor are connected with the sound console and are used for reducing acoustic feedback in the system;
the time sequence power supply is used for controlling the sequence of power-on and power-off;
the input device, the sound console, the equalizer, the power amplifier and the loudspeaker are sequentially connected to the time sequence power supply.
2. The hall loadmicrophone system of claim 1, wherein the input devices comprise a recorded audio input unit and an ear-worn microphone.
3. A hall pick-up and sound amplification system as claimed in claim 1, wherein the ceiling-mounted speakers are uniformly arranged on the ceiling of the hall, and each ceiling-mounted speaker covers an angle of 90 ° to 120 °.
4. A hall pick-up and sound amplification system as claimed in claim 1, wherein an exciter is provided between the sound mixing console and the equalizer, the exciter being configured to increase the loudness of sound.
5. A hall pick-up and sound amplification system as claimed in claim 1, wherein a limiter and a frequency divider are arranged after the equalizer, a plurality of power amplifiers are connected to the frequency divider, the limiter is used for protecting the system, and the frequency divider is used for dividing sound into frequency and frequency sections.
6. A hall bioacouphone system as recited in claim 1, wherein the feedback suppressor is connected in series with a channel of a consist of the mixing console, the wireless microphone, and the handmeeting microphone being included in the consist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220730351.8U CN217509039U (en) | 2022-03-31 | 2022-03-31 | Hall pickup sound amplification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220730351.8U CN217509039U (en) | 2022-03-31 | 2022-03-31 | Hall pickup sound amplification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217509039U true CN217509039U (en) | 2022-09-27 |
Family
ID=83346976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220730351.8U Active CN217509039U (en) | 2022-03-31 | 2022-03-31 | Hall pickup sound amplification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217509039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117812504A (en) * | 2023-12-29 | 2024-04-02 | 恩平市金马士音频设备有限公司 | Audio equipment volume data management system and method based on Internet of things |
-
2022
- 2022-03-31 CN CN202220730351.8U patent/CN217509039U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117812504A (en) * | 2023-12-29 | 2024-04-02 | 恩平市金马士音频设备有限公司 | Audio equipment volume data management system and method based on Internet of things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103460716B (en) | For the method and apparatus of Audio Signal Processing | |
| CN102137319B (en) | Earphone capable of eliminating noise and driving circuit thereof | |
| US20100220864A1 (en) | Low frequency management for multichannel sound reproduction systems | |
| CN105284126A (en) | Systems and methods for adaptive noise cancellation including dynamic bias of coefficients of an adaptive noise cancellation system | |
| CN108463947A (en) | The prevention of signal wave elimination caused by APS amplifier power supply voltage declines | |
| CN204518035U (en) | Automatic control of sound volume audio amplifier | |
| CN103039090A (en) | A noise reduction circuit with monitoring functionality | |
| WO2013174165A1 (en) | Audio signal broadcasting system and electronic apparatus | |
| CN217509039U (en) | Hall pickup sound amplification system | |
| CN101765041A (en) | Audio-frequency playing equipment and method for reducing environmental noises generated during audio-frequency playing | |
| CN206077668U (en) | A kind of Audio Processing control system for possessing feedback suppression and decrease of noise functions | |
| CN111586527A (en) | Intelligent voice processing system | |
| CN113179476B (en) | Configuration parameter acquisition method, configuration method, electronic equipment and storage device | |
| US20170270906A1 (en) | Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device | |
| US9679551B1 (en) | Noise reduction headphone with two differently configured speakers | |
| CN102695116B (en) | Sound acquisition, processing and recurrence method | |
| CN201805492U (en) | A television device | |
| CN101820563B (en) | Speaker protection system | |
| CN113539226B (en) | Active noise reduction control method for transformer substation | |
| WO2021145152A1 (en) | Speaker device | |
| CN212013003U (en) | Pickup and sound amplification system | |
| CN107241566A (en) | A kind of audio frequency process control system of sound, video | |
| CN113676816A (en) | Echo eliminating method for bone conduction earphone and bone conduction earphone | |
| JP2601418Y2 (en) | Electronic silencer and audio playback device with electronic silencer | |
| CN221575590U (en) | Multichannel sound amplifying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |