CN202043279U - Detection system of sound effect of space sound filed - Google Patents
Detection system of sound effect of space sound filed Download PDFInfo
- Publication number
- CN202043279U CN202043279U CN2010206952852U CN201020695285U CN202043279U CN 202043279 U CN202043279 U CN 202043279U CN 2010206952852 U CN2010206952852 U CN 2010206952852U CN 201020695285 U CN201020695285 U CN 201020695285U CN 202043279 U CN202043279 U CN 202043279U
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- portable terminal
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Abstract
The utility model discloses a detection system of the sound effect of a space sound field, which comprises a host and a plurality of mobile terminals, wherein the host comprises a control unit, and a display screen, a storage unit and a wireless control chip which are respectively connected with the control unit, each mobile terminal comprises a control chip and a display screen, a storage unit, a wireless control chip and a digital signal processor which are respectively connected with the control chip, the digital signal processor is connected with a sound acquisition module, and the host and the wireless control chips of the mobile terminals are respectively connected with a wireless module through a wireless network. The detection system disclosed by the utility model has a simple structure, is convenient and fast to operate, and provides a system with the function for detecting the sound effect of the space sound field.
Description
Technical field
The utility model relates to audio detection technique field, relates in particular to the detection system of a kind of space sound field audio.
Background technology
Along with the continuous development of science and technology and improving constantly of human substance life horizontal, the use coverage rate of portable terminal has reached a quite broad scope.At present the mobile phone recoverable amount of China has surpassed 400,000,000 ones, and first generation analog communication is superseded in last century Mo, current universal be second generation digital communication mobile phone and 3G (Third Generation) Moblie mobile phone (3G).Present most mobile phone also supports handwriting input, MP3, MP4 to play, take pictures and function such as shooting except basic functions such as clock, conversation and note, can be used for listening to the music, see a film, playing games, and also some mobile phone has the GPS navigation function.
But these functions are limited for the help function of daily life essence character, expansion is not good, such as in the cinema or during meeting-place debugging stereo set, the workmen need listen to the acoustic situations of present position in different location site, comprise volume and tonequality, if many people operation then stands in different positions and listens to, because everyone feels variant, the adjustment of sound has deviation.
The utility model has proposed a kind of system that utilizes portable terminal to detect space sound field audio at above-mentioned situation.
The utility model content
The purpose of this utility model provides a kind of space sound field audio detection system, in order to solve the deficiencies in the prior art.
For achieving the above object, the utility model provides the detection system of a kind of space sound field audio, it comprises a main frame and several portable terminals, described main frame comprises control unit and the display screen that all links to each other with control unit, storage element and controlled in wireless chip, described portable terminal comprises control chip (MCU) and the display screen that all links to each other with control chip, storage element, controlled in wireless chip and digital signal processor (DSP), this digital signal processor is connected with the sound collection module, the controlled in wireless chip of described main frame and portable terminal all is connected with wireless module, and connects by wireless network.
Further, the wireless module of described portable terminal is connected by the 2.4GHz wireless network with the wireless module of main frame.
Further, the wireless module of described portable terminal is connected by blue teeth wireless with the wireless module of main frame.
Further, the wireless module of the wireless module of described portable terminal and main frame is by the WIFI wireless connections.
Further, described sound collection module has audio and receives the sound chamber, and this sound chamber is directive property sound chamber.
Further, the wireless module of described portable terminal and main frame includes wireless launcher and wireless receiver.
The utility model utilizes the sound collection module of portable terminal owing to adopt technique scheme, and acoustic signal is collected in angle and positions different from the space, and gathers in real time to the main frame portable terminal, provides effective back work to acoustics construction debugging.The utility model is simple in structure, and simple operation provides a kind of system that possesses space sound field audio measuring ability.
Description of drawings
For clearlyer understanding the purpose of this utility model, characteristics and advantage, below with reference to accompanying drawing preferred embodiment of the present utility model is described in detail, wherein:
Fig. 1 a, 1b are an embodiment schematic diagram of the detection system of the utility model space sound field audio;
Fig. 2 is the schematic diagram of the detection method of the utility model space sound field audio.
Embodiment
See also Fig. 1 a and 1b, the detection system of space sound field audio, it comprises a main frame and several portable terminals, main frame comprises that control unit 11 and the display screen 12 that all links to each other with control unit 11, storage element 13 and the first controlled in wireless chip, 14, the first controlled in wireless chips 14 are connected with first wireless module 15; Portable terminal then comprises control chip 21 (MCU) and the display screen 22 that all links to each other with control chip 21, storage element 23, the second controlled in wireless chip 24 and digital signal processor 25 (DSP), this digital signal processor 25 is connected with sound collection module 26, the second controlled in wireless chips 24 and is connected with second wireless module 27.
Wherein first wireless module 15 of main frame realizes that by bluetooth wireless network is connected with second wireless module 27 of portable terminal.First wireless module 15 and second wireless module 27 include wireless launcher and wireless receiver.
Wherein, sound collection module 26 has audio and receives the sound chamber, and this sound chamber is directive property sound chamber.
Please consult Fig. 2 simultaneously, the detection method of space sound field audio comprises:
Several portable terminals are positioned over each position that need carry out the audio detection, open first wireless module 15 of main frame and second wireless module 27 of portable terminal;
First wireless module 15 and second wireless module 27 are set up wireless connections by the bluetooth discovery matching operation;
Open the sound collection module 26 of portable terminal, start-up space sound field audio detection system (being built in the storage element 13 of main frame);
Open the stereo set that needs debugging, play British Music on Lyrita from Quad;
Portable terminal is gathered sound signal, gathers in real time to feed back to main frame;
The commissioning staff is according to the sound signal debugging stereo set of each position or signal gain and senior middle school's low frequency filtering of the different paths of sound console.
Wherein, this sound signal comprises overall loudness, high frequency range of sound loudness, intermediate frequency range of sound loudness and low frequency range of sound loudness.
Claims (6)
1. the detection system of a space sound field audio, it is characterized in that: it comprises a main frame and several portable terminals, described main frame comprises control unit and the display screen that all links to each other with control unit, storage element and controlled in wireless chip, described portable terminal comprises control chip and the display screen that all links to each other with control chip, storage element, controlled in wireless chip and digital signal processor, this digital signal processor is connected with the sound collection module, the controlled in wireless chip of described main frame and portable terminal all is connected with wireless module, and connects by wireless network.
2. the detection system of space according to claim 1 sound field audio is characterized in that: the wireless module of described portable terminal is connected by the 2.4GHz wireless network with the wireless module of main frame.
3. the detection system of space according to claim 1 sound field audio is characterized in that: the wireless module of described portable terminal is connected by blue teeth wireless with the wireless module of main frame.
4. the detection system of space according to claim 1 sound field audio is characterized in that: the wireless module of described portable terminal and the wireless module of main frame are by the WIFI wireless connections.
5. the detection system of space according to claim 1 sound field audio is characterized in that: described sound collection module has audio and receives the sound chamber, and this sound chamber is directive property sound chamber.
6. the detection system of space according to claim 1 sound field audio, it is characterized in that: the wireless module of described portable terminal and main frame includes wireless launcher and wireless receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206952852U CN202043279U (en) | 2010-12-29 | 2010-12-29 | Detection system of sound effect of space sound filed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206952852U CN202043279U (en) | 2010-12-29 | 2010-12-29 | Detection system of sound effect of space sound filed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043279U true CN202043279U (en) | 2011-11-16 |
Family
ID=44970704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206952852U Expired - Lifetime CN202043279U (en) | 2010-12-29 | 2010-12-29 | Detection system of sound effect of space sound filed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202043279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176766A (en) * | 2010-12-29 | 2011-09-07 | 上海华勤通讯技术有限公司 | System and method for detecting space sound field sound effect |
-
2010
- 2010-12-29 CN CN2010206952852U patent/CN202043279U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176766A (en) * | 2010-12-29 | 2011-09-07 | 上海华勤通讯技术有限公司 | System and method for detecting space sound field sound effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |