CN215341472U - Pronunciation detection device for German learning - Google Patents
Pronunciation detection device for German learning Download PDFInfo
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- CN215341472U CN215341472U CN202121708218.4U CN202121708218U CN215341472U CN 215341472 U CN215341472 U CN 215341472U CN 202121708218 U CN202121708218 U CN 202121708218U CN 215341472 U CN215341472 U CN 215341472U
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Abstract
The utility model provides a pronunciation detection device for German learning, which comprises a base, a shell, a sound receiving head, a sound detection component, a display screen and an alarm. The sound receiving head transmits a sound signal to the sound detection assembly, the sound detection assembly is connected with the information input end of the sound sensor by using the sound transmission rod, the output end of the sound sensor is connected with the input end of the sound signal amplifier, the output end of the sound signal amplifier is connected with the input end of the filter, the output end of the filter is connected with the input end of the sound signal converter, and the information output end of the sound signal converter is connected with the information input end of the central processing unit; the display screen is connected with the information output end of the central processing unit, and the alarm is connected with the information processing center. This novel utilize sound transducer to carry out audio signal and detect, the audio signal who will detect transmits for sound detection module carries out analysis processes, and produces the conflict with predetermined frequency signal module and in time reports to the police to correct the pronunciation.
Description
Technical Field
The utility model belongs to the field of teaching auxiliary equipment, and relates to a pronunciation detection device for German learning.
Background
With the continuous development of the speech recognition technology, the speech evaluation technology plays an increasingly important role in speech recognition and application. The voice evaluation is mainly used for evaluating the quality of the voice data, wherein the evaluation not only comprises the evaluation of the pronunciation quality of words in the voice data, but also comprises the detection and evaluation of whether the prosody in the voice data is accurate. For example, in language learning, a user may learn a language by listening to standard tape pronunciation and following. The user can compare whether the pronunciation and rhythm in the standard pronunciation are consistent with the pronunciation, and correct according to the comparison result to continuously improve the learning level. The key to rapidly grasp a language is how to accurately evaluate and feed back prosody problems existing in the following pronunciation of a user. The speech prosody problem refers to a speech with an incorrect prosody, for example, the continuous reading is not continuous reading, the pause is not pause, the rereading is not repeated, and the like. In addition, in some other scenarios, such as speech recognition, the pronunciation prosody problem of speech also needs to be detected;
in the daily german teaching link, no detection device is provided for correcting the student's moral pronunciation.
To this end, we propose a pronunciation detection device for german learning to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In view of the problems of the prior art, the present invention is directed to a pronunciation detection device for german learning.
In order to achieve the purpose, the utility model provides the following technical scheme:
an utterance detection apparatus for german learning, comprising:
a base;
a housing fixed above the base;
the pronunciation detection device further includes:
a sound receiving head connected to the inside of the housing through a sound transmission rod;
the sound detection assembly is connected to the sound transmission rod and receives the sound signal transmitted by the sound transmission rod; the sound detection assembly comprises a sound sensor, a filter, a sound signal amplifier, a sound signal converter, a central processing unit and an information processing center, the sound transmission rod is connected with an information input end of the sound sensor, an information output end of the sound sensor is connected with an information input end of the sound signal amplifier, an information output end of the sound signal amplifier is connected with an information input end of the filter, an information output end of the filter is connected with an information input end of the sound signal converter, and an information output end of the sound signal converter is connected with an information input end of the central processing unit;
the display screen is fixed on the outer end face of the shell and is electrically connected with the information output end of the central processing unit;
and the alarm is fixed on the outer end face of the shell back to the display screen and is connected with the information processing center.
As a further improvement of this scheme, the casing is inlayed with the battery mounting groove, be equipped with the battery in the battery mounting groove, the battery with transaudient pole, sound sensor, wave filter, sound signal amplifier, sound signal converter, central processing unit, information processing center, siren and display screen electric connection.
As a further improvement of the scheme, a telescopic rod is sleeved outside the sound transmission rod, lifting arms are respectively fixed at two ends of the telescopic rod, which are located inside the shell, and the lower portion of each lifting arm is lifted through connection of a lifting cylinder.
As a further improvement of the scheme, the shell is of a cuboid structure.
As a further improvement of the scheme, the shell is provided with grooves at two sides of the sound transmission rod.
As a further improvement of the scheme, the alarm is an audible alarm.
As a further improvement of the scheme, the sound detection assembly and the alarm are fixedly connected with the inner wall of the shell through screws.
As a further improvement of the scheme, the information processing center comprises preset voice segment frequency information.
As a further improvement of the present solution, the sound receiving head is a spherical receiving head.
As a further improvement of this solution, the filter is a high-pass filter.
Compared with the prior art, the utility model has the beneficial effects that: this novel utilize sound sensor to carry out audio signal and detect, the audio signal who will detect transmits signal processing modules such as sound signal amplifier, wave filter, sound signal converter and central processing unit and carries out analysis processes, compares the frequency that will detect sound with information processing center's frequency of predetermineeing, and then outputs the judged result. The pronunciation rhythm problem is detected by acquiring the information of the voice data to be detected, extracting the rhythm information of the voice data to be detected, comparing and analyzing the rhythm information with the rhythm marking information of the pre-marked reference voice data, and alarming and displaying in time when the voice data conflicts with a preset frequency signal module, so as to correct pronunciation.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a front view of the sound detection device of the present invention.
Fig. 4 is a rear view of the sound detection device of the present invention.
The figure is marked with: the device comprises a base 1, a shell 2, a groove 21, a sound receiving head 3, a sound transmission rod 31, a telescopic rod 32, a lifting arm 4, a sound detection component 5, a sound sensor 51, a filter 52, a sound signal amplifier 53, a sound signal converter 54, a central processing unit 55, an information processing center 56, a lifting cylinder 6, a display screen 7, a battery 8, a battery mounting groove 9 and an alarm 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the pronunciation detecting device for german learning of the present embodiment includes a base 1, a housing 2, a sound receiving head 3, a sound detecting component 5, a display 7 and an alarm 10.
The shell 2 is fixed above the base 1; the base 1 is used for stably placing the pronunciation detection device. The casing 2 is cuboid, and the terminal surface both sides are seted up flutedly 21, and recess 21 is used for balancing the transaudient pole 31 transmission effect of transaudient part.
The sound receiving head 3 is connected inside the shell 2 through a sound transmission rod 31; casing 2 top is located to telescopic link 32, and telescopic link 32 is cup jointed to the outside of transaudient pole 31, telescopic link 32 is located casing 2 inside both ends and fixes lifing arm 4 respectively, lifing arm 4 below is through connecting lift cylinder 6 and go up and down. The sound receiving head 3 is arranged at the tail end of the telescopic rod 32, and the telescopic sound receiving head 3 is arranged above the shell 2, so that the range of sound detection can be increased.
The sound detection assembly 5 is connected to the sound transmission rod 31 to receive the sound signal transmitted by the sound transmission rod 31; the sound detection assembly 5 comprises a sound sensor 51, a filter 52, a sound signal amplifier 53, a sound signal converter 54, a central processing unit 55 and an information processing center 56, wherein the sound transmission rod 31 is connected with an information input end of the sound sensor 51, an information output end of the sound sensor 51 is connected with an information input end of the sound signal amplifier 53, an information output end of the sound signal amplifier 53 is connected with an information input end of the filter 52, an information output end of the filter 52 is connected with an information input end of the sound signal converter 54, and an information output end of the sound signal converter 54 is connected with an information input end of the central processing unit 55; the information processing center 56 includes preset segment frequency information therein, and the filter 52 is a high-pass filter.
The display screen 7 is fixed on the outer end face of the shell 2 and is electrically connected with the information output end of the central processing unit 55; for displaying the sound information compared by the processing and the preset information difference point.
An alarm 10 is fixed on the outer end face of the housing 2 facing away from the display screen 7, and the alarm 10 is connected with the information processing center 56.
The casing 2 is embedded to have battery mounting groove 9, be equipped with battery 8 in the battery mounting groove 9, battery 8 with transaudient pole 31, sound sensor 51, wave filter 52, sound signal amplifier 53, sound signal converter 54, central processing unit 55, information processing center 56, siren 10 and display screen 7 electric connection.
During specific work, the battery 8 is installed in the battery installation groove 9, the sound receiving head 3 receives audio, the sound sensor 51 is used for detecting audio signals, the detected audio signals are transmitted to signal processing modules such as the sound signal amplifier 53, the filter 52, the sound signal converter 54 and the central processing unit 55 for analysis and processing, the frequency of the detected sound is compared with the preset frequency of the information processing center, and then a judgment result is output. The pronunciation rhythm problem is detected by acquiring the information of the voice data to be detected, extracting the rhythm information of the voice data to be detected, comparing and analyzing the rhythm information with the rhythm marking information of the pre-marked reference voice data, and when the voice data conflicts with a preset frequency signal module, the alarm 10 gives an alarm, and the display screen 7 displays specific information, so that pronunciation is corrected.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (10)
1. An utterance detection apparatus for german learning, comprising:
a base (1);
a housing (2) fixed above the base (1);
characterized in that, pronunciation detection device still includes:
a sound receiving head (3) connected to the inside of the housing (2) through a sound transmission rod (31);
the sound detection assembly (5) is connected to the sound transmission rod (31) and receives the sound signal transmitted by the sound transmission rod (31); the sound detection assembly (5) comprises a sound sensor (51), a filter (52), a sound signal amplifier (53), a sound signal converter (54), a central processing unit (55) and an information processing center (56), wherein the sound transmission rod (31) is connected with an information input end of the sound sensor (51), an information output end of the sound sensor (51) is connected with an information input end of the sound signal amplifier (53), an information output end of the sound signal amplifier (53) is connected with an information input end of the filter (52), an information output end of the filter (52) is connected with an information input end of the sound signal converter (54), and an information output end of the sound signal converter (54) is connected with an information input end of the central processing unit (55);
the display screen (7) is fixed on the outer end face of the shell (2) and is electrically connected with the information output end of the central processing unit (55);
and the alarm (10) is fixed on the outer end face, back to the display screen (7), of the shell (2), and the alarm (10) is connected with the information processing center (56).
2. The pronunciation detection device for German learning according to claim 1, wherein a battery mounting groove (9) is embedded in said housing (2), a battery (8) is disposed in said battery mounting groove (9), and said battery (8) is electrically connected to said sound transmission bar (31), said sound sensor (51), said filter (52), said sound signal amplifier (53), said sound signal converter (54), said central processing unit (55), said information processing center (56), said alarm (10) and said display screen (7).
3. The pronunciation detection device for German learning of claim 1, wherein a telescopic rod (32) is sleeved outside the sound transmission rod (31), the telescopic rod (32) is respectively fixed to two ends inside the housing (2), and a lifting arm (4) is fixed below the lifting arm (4) and is lifted by connecting a lifting cylinder (6).
4. The pronunciation detection device for German learning of claim 1, wherein the housing (2) has a rectangular parallelepiped structure.
5. The pronunciation detection device for German learning of claim 1, wherein said housing (2) is provided with grooves (21) on both sides of said sound-transmitting rod (31).
6. Pronunciation detection device for German learning according to claim 1, wherein said alarm (10) is an audible alarm.
7. The pronunciation detection device for German learning of claim 1, wherein the sound detection assembly (5) and the alarm (10) are both fixedly connected to the inner wall of the housing (2) by screws.
8. The pronunciation detection device as claimed in claim 1, wherein the information processing center (56) includes preset segment frequency information.
9. The pronunciation detection device for German learning according to claim 1, wherein said sound receiving head (3) is a ball-shaped receiving head.
10. The pronunciation detection device for German learning of claim 1, wherein said filter (52) is a high pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708218.4U CN215341472U (en) | 2021-07-26 | 2021-07-26 | Pronunciation detection device for German learning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708218.4U CN215341472U (en) | 2021-07-26 | 2021-07-26 | Pronunciation detection device for German learning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215341472U true CN215341472U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121708218.4U Active CN215341472U (en) | 2021-07-26 | 2021-07-26 | Pronunciation detection device for German learning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215341472U (en) |
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2021
- 2021-07-26 CN CN202121708218.4U patent/CN215341472U/en active Active
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