CN213042655U - Portable bird song recognition system based on DSP - Google Patents
Portable bird song recognition system based on DSP Download PDFInfo
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- CN213042655U CN213042655U CN202021676264.6U CN202021676264U CN213042655U CN 213042655 U CN213042655 U CN 213042655U CN 202021676264 U CN202021676264 U CN 202021676264U CN 213042655 U CN213042655 U CN 213042655U
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Abstract
The utility model provides a portable bird recognition system that sounds based on DSP belongs to speech recognition technical field. The system comprises a bird song acquisition module, a data transmission module, a data processing module, a data storage module, a human-computer interaction module and a power module, wherein the bird song acquisition module is connected with the data processing module through the data transmission module, the data processing module is respectively connected with the data storage module and the human-computer interaction module, and the power module is used for supplying power to the bird song acquisition module, the data transmission module, the data processing module, the data storage module and the human-computer interaction module respectively. The system is convenient to use, can help a user to effectively identify various birds, and is favorable for popularization and research of bird knowledge.
Description
Technical Field
The utility model belongs to the technical field of speech recognition, in particular to portable bird recognition system that sounds based on DSP.
Background
Birds are friends of human beings, have close relationship with human life, and play an important role in maintaining natural ecological balance. A plurality of birds exist in our living environment, the graceful singing voice can be heard, the soaring in the air can be seen, but people often do not know which kind of birds the birds in front of the eyes belong to. For the experienced bird researchers, the species of birds can be distinguished by their morphological and behavioral characteristics, but this may not be so easy for the general public. In addition, the difficulty of the discrimination method is greatly increased along with the increase of bird species, the accuracy is reduced, and the species of birds cannot be effectively identified.
Disclosure of Invention
In view of this, the utility model aims at providing a portable bird recognition system that rings based on DSP for help the user accurately discern birds.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a portable bird song sound identification system based on DSP, includes bird song sound collection module, data transmission module, data processing module, data storage module, human-computer interaction module and power module, bird song sound collection module pass through data transmission module with data processing module connects, data processing module is connected with data storage module and human-computer interaction module respectively, power module gives bird song sound collection module, data transmission module, data processing module, data storage module and human-computer interaction module power supply respectively.
The principle of the utility model is as follows: the bird song acquisition module records bird sound information, the sound information is preprocessed through the data transmission module, noise in the sound information is filtered, useful bird sound information is transmitted to the data processing module, bird song is processed through an algorithm prestored in the data processing module, then the bird song information is compared with the sound information of known birds stored in the data storage module one by one, bird species are searched and confirmed, finally, the bird species are output through the man-machine interaction interface module, and the accurate bird recognition function is achieved.
In the portable bird song recognition system based on the DSP, the bird song collection module is a microphone, and the microphone is provided with a first filter for filtering a part of the environmental noise.
In the above-mentioned portable bird song sound identification system based on DSP, the data transmission module includes MCU and communication unit, MCU is integrated with the second filter, the second filter carries out secondary noise filtering with the sound signal through the preliminary filtering noise of first filter, then transmits for data processing module through communication unit.
In the above DSP-based portable bird song recognition system, the data processing module is a DSP chip, and the DSP chip is connected to a JTAG interface. The internal test of the DSP chip and the simulation and debugging of the system can be realized through the JTAG interface. In the portable bird song recognition system based on the DSP, the data storage module is used for storing sound information of known birds or inputting collected sound information of unknown birds, and the data storage module includes an SDRAM unit and a FLASH unit. In the portable bird song recognition system based on the DSP, the human-computer interaction module is connected with the data processing module through the CPLD module, the human-computer interaction module includes a display and a keyboard, the display is used for displaying the received bird sound information and the bird species corresponding to the bird sound information, and the keyboard is used for the user to write on the operation and algorithm of the system.
In the portable bird song recognition system based on the DSP, the human-computer interaction module is further reserved with an expansion interface for connecting various carriers.
In the portable bird song recognition system based on the DSP, the human-computer interaction module further includes a speaker, and the speaker is connected with the data processing module through a data transmission module.
Compared with the prior art, the portable bird song recognition system based on the DSP has the following advantages: the bird detector can quickly and accurately identify various birds according to the collected bird singing, is favorable for popularization of bird knowledge, and is practical and convenient; in addition, the bird information recording device has certain help for recording unknown bird information, and is beneficial to research on birds.
Drawings
Fig. 1 is a schematic diagram of a DSP-based portable bird song recognition system in an embodiment.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments. As shown in fig. 1, the portable bird song recognition system based on the DSP includes a bird song acquisition module, a data transmission module, a data processing module, a data storage module, a human-computer interaction module, and a power module. The bird song acquisition module is connected with the data processing module through the data transmission module, and the data processing module is respectively connected with the data storage module and the human-computer interaction module. The power module is a storage battery and respectively supplies power to the bird song acquisition module, the data transmission module, the data processing module, the data storage module and the human-computer interaction module. Wherein, the microphone is regarded as the bird and buzzes collection module to in order to improve the collection precision of the information of birds sound, be equipped with the first wave filter that is used for filtering partial environmental noise on the microphone.
The data transmission module comprises an MCU and a communication unit, the MCU is integrated with a second filter, the second filter carries out secondary noise filtering on the sound signal which is subjected to primary noise filtering by the first filter, and then the sound signal is transmitted to the data processing module through the communication unit. The bird sound information collected by the bird song collection module is further subjected to noise filtering through the data transmission module, so that data preprocessing is realized, the workload and the energy consumption of a subsequent data processing module are reduced, and the work efficiency of the data processing module is improved.
The data processing module is a DSP chip which is connected with a JTAG interface. The data storage module is used for storing sound information of known birds or inputting collected sound information of unknown birds, and comprises an SDRAM unit and a FLASH unit. The user can carry out internal test on the DSP chip and carry out simulation and debugging on the system through the JTAG interface. The DSP chip performs signal enhancement on the received bird sound information after preprocessing through pre-stored data processing software, extracts voiceprint characteristics of the bird sound information, selects birds with the highest similarity through one-to-one comparison with the sound information of known birds stored in the data storage module, and outputs the bird information through the human-computer interaction module for a user to refer to; of course, when the data processing module finds that the collected bird song cannot be matched with the bird song pre-stored in the data storage module during processing and analysis, the collected bird song of the unknown bird is recorded into the data storage module so as to facilitate subsequent recording and research. It should be noted that, in the present application, the means of signal enhancement, voiceprint feature extraction, comparison, and the like in the software processing process related to the DSP chip are conventional applications of a voice data processing mode in the textbook "voice signal processing" and "acoustic foundation", and belong to the prior art means, and therefore, are not described in detail.
In this embodiment, the human-computer interaction module is connected with the data processing module through the CPLD module, the human-computer interaction module includes a display, a keyboard and a speaker, and the display is used for displaying the received bird sound information and the bird species corresponding to the bird sound information; the keyboard is used for the user to operate the system and burn and write the algorithm; the loudspeaker is connected with the data processing module through the data transmission module and is used for providing the broadcast of the bird species corresponding to the collected bird sound information for the user in a voice mode. It should be noted that the display and the keyboard can be equivalently replaced by a touch screen. In addition, in order to realize the acquisition and analysis work of bird song in different environments, the man-machine interaction module is also reserved with an expansion interface for connecting various carriers, and the expansion interface can be connected with various carriers or added with various functions, so that the practicability and the applicability of the system are improved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a portable bird recognition system that sounds based on DSP which characterized in that, includes bird sound collection module, data transmission module, data processing module, data storage module, human-computer interaction module and power module, bird sound collection module pass through data transmission module with data processing module connects, data processing module is connected with data storage module and human-computer interaction module respectively, power module gives bird sound collection module, data transmission module, data processing module, data storage module and human-computer interaction module power supply respectively.
2. The DSP-based portable bird song recognition system of claim 1, wherein the bird song collection module is a microphone, and a first filter is disposed on the microphone for filtering a portion of the ambient noise.
3. The DSP-based portable bird song recognition system of claim 2, wherein the data transmission module comprises an MCU and a communication unit, the MCU is integrated with a second filter, the second filter performs a second noise filtering on the sound signal primarily filtered from the noise by the first filter, and then transmits the sound signal to the data processing module through the communication unit.
4. The DSP-based portable bird song recognition system of claim 1, 2 or 3, wherein the data processing module is a DSP chip, and the DSP chip is connected with a JTAG interface.
5. The DSP-based portable bird song recognition system of claim 1, 2 or 3, wherein the data storage module is used to store sound information of known birds or to log collected sound information of unknown birds, and the data storage module comprises an SDRAM unit and a FLASH unit.
6. The DSP-based portable bird song recognition system of claim 1, 2 or 3, wherein the human-computer interaction module is connected with the data processing module through a CPLD module, the human-computer interaction module comprises a display and a keyboard, the display is used for displaying the received bird sound information and the bird species corresponding to the bird sound information, and the keyboard is used for programming the operation and algorithm of the system by a user.
7. The DSP-based portable bird song recognition system of claim 6, wherein the human-computer interaction module is further reserved with an expansion interface for connecting various carriers.
8. The DSP-based portable bird song recognition system of claim 6, wherein the human-computer interaction module further comprises a speaker, and the speaker is connected with the data processing module through a data transmission module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021676264.6U CN213042655U (en) | 2020-08-12 | 2020-08-12 | Portable bird song recognition system based on DSP |
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| CN202021676264.6U CN213042655U (en) | 2020-08-12 | 2020-08-12 | Portable bird song recognition system based on DSP |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117612537A (en) * | 2023-11-27 | 2024-02-27 | 北京林业大学 | Bird song intelligent monitoring system based on cloud limit cooperative control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117612537A (en) * | 2023-11-27 | 2024-02-27 | 北京林业大学 | Bird song intelligent monitoring system based on cloud limit cooperative control |
| CN117612537B (en) * | 2023-11-27 | 2024-06-07 | 北京林业大学 | Bird song intelligent monitoring system based on cloud limit cooperative control |
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Granted publication date: 20210423 |