CN112732881B

CN112732881B - Multifunctional index system applied to commercial complex

Info

Publication number: CN112732881B
Application number: CN202011624311.7A
Authority: CN
Inventors: 苏熠
Original assignee: Shenzhen Tiance Planning And Design Co ltd
Current assignee: Shenzhen Tiance Planning And Design Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2024-02-27
Anticipated expiration: 2040-12-30
Also published as: CN112732881A

Abstract

The utility model relates to a field of index system especially relates to a be applied to multi-functional index system of commercial complex, and it includes the index tablet body, be provided with index system in the index tablet, index system includes mode selection module, speech recognition module, control module and route indication module, mode selection module includes intelligent speech mode and calls artifical mode, be provided with the trigger structure that is used for triggering mode selection module on the index tablet body, be provided with microphone and speaker on the index tablet body, call can talk with artifical customer service under the artifical mode in order to seek help, speech recognition module can discern user's inquiry information and indicate the way operation through route indication module. The method has the advantage that the user can conveniently and quickly obtain the route information.

Description

Multifunctional index system applied to commercial complex

Technical Field

The present application relates to the field of indexing systems, and more particularly to a multi-functional indexing system for a business complex.

Background

The index plate is provided with character or pattern information on the surface and has guiding function. The index plate may be adapted for use in a business area to facilitate a user's search for location information of surrounding buildings and route information to the buildings.

With respect to the above-mentioned related art, the inventors consider that there are drawbacks in that it is time-consuming for a user to search and plan a route and select a closer route.

Disclosure of Invention

In order to facilitate rapid locating and searching of building locations by users, the application provides a multifunctional index system applied to a commercial complex.

The multifunctional index system applied to the commercial complex adopts the following technical scheme:

the utility model provides a be applied to multi-functional index system of commercial complex, includes the index tablet body, be provided with index system in the index tablet, index system includes mode selection module, speech recognition module, control module and route indication module, mode selection module includes intelligent speech mode and calls manual mode, be provided with the trigger structure that is used for triggering mode selection module on the index tablet body, be provided with microphone and speaker on the index tablet body, call manual mode can with the manual work customer service dialogue in order to seek help, speech recognition module can discern user's inquiry information and indicate the way operation through route indication module; the voice recognition module comprises a voice input module, a preprocessing module, a feature recognition module and an output module, wherein the voice input module is communicated with the preprocessing module so as to conduct noise reduction processing on an input audio signal and extract features, route planning information and keywords matched with corresponding routes are arranged in the feature recognition module, and the keywords can be matched with the features and output results to the control module through the output module.

Through adopting above-mentioned technical scheme, the user can select intelligent pronunciation mode, and the optimal route information of direct acquisition planning also can select to call the manual mode for the user, and under the manual mode of calling, the user can talk with artifical customer service to obtain services such as manual consultation calling service and call accessible ferry car, so that the user obtains help.

Preferably, the preprocessing module comprises an endpoint detection unit, a noise reduction unit, a framing unit and a feature extraction unit, wherein the endpoint detection unit is communicated with the voice input module to cut an input voice signal so as to remove blank sections at two ends of the voice signal; the noise reduction unit is communicated with the endpoint detection unit to perform noise reduction processing on the voice signal, the framing unit is used for cutting the voice signal into a plurality of unit frame signals, and the feature extraction unit is used for extracting features in the audio signal.

Through adopting above-mentioned technical scheme, the terminal detection unit is used for deleting the blank table frequency channel at audio signal both ends, and the noise reduction unit is used for improving the signal to noise ratio of signal, and the influence to signal analysis of noise is reduced, framing unit is used for carrying out framing operation to audio signal, and feature extraction unit is used for extracting the characteristic in the department speech signal, is provided with route planning information and retrieves the keyword of this information in the feature extraction unit, and the keyword can match with the characteristic.

Preferably, an audio clipping program is provided in the framing unit to clip the audio signal at time T, and to add or subtract frames to the unit frame signal containing adjacent phonemes.

By adopting the technical scheme, the phenomenon that the unit frame signal contains adjacent phoneme signals is reduced.

Preferably, the noise reduction unit includes an amplifying subunit in communication with the end piece detection unit to amplify the voice signal, and a filtering subunit in communication with the amplifying subunit to improve the signal-to-noise ratio of the voice signal.

Through adopting above-mentioned technical scheme, the phenomenon that the speech signal can appear attenuating in input process, the amplification subunit is used for carrying out the amplification to the speech signal of input, and the filtering subunit is used for reducing noise to the influence of speech signal.

Preferably, the feature recognition unit comprises a database unit and a training model unit, the database unit comprises a voice database subunit and a language database subunit, the training model unit comprises an acoustic model and a voice model, so that the voice database subunit is trained through the acoustic model, and the voice database subunit is trained through the voice model so as to match the features with the keywords.

By adopting the technical scheme, the characteristics and the keywords are matched through training of the acoustic model on the voice database subunit and training of the voice model on the voice database subunit.

Preferably, the route indication module includes a voice output mode, and route information is broadcasted through a speaker in the voice output mode.

Through adopting above-mentioned technical scheme, under the speech output mode, the user can be through obtaining audio form route information, and the front left turn can go to hotel, exhibition center, and the right turn can go to hotel formula apartment, service room apartment.

Preferably, the route indication module further comprises a route indication mode, the printer is arranged on the body, and the control module comprises a printer control unit for controlling the printer to print, so that the printer generates and prints the route information.

By adopting the technical scheme, the printer control unit controls the printer to print out the route planning, so that a user can find a building conveniently.

Preferably, the route indication module further comprises a route guiding mode, a ground drawing is arranged at the observation window, a transparent road is arranged on the map, a guiding device is arranged on the body, the guiding device comprises a plurality of rotating shafts and a curtain arranged on the rotating shafts, route information is arranged on the curtain, a route is indicated from the transparent road on the map, and the curtain can be put down by rotating the rotating shafts.

Through adopting above-mentioned technical scheme, the information on the ground drawing includes the road between building and the connection building, all is provided with different roadways on every curtain, and the roadways can see through the ground drawing and show to reach the purpose of pointing the road.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present application.

FIG. 2 is a block diagram of a modular connection of an indexing system.

Fig. 3 is a block diagram of the unit connections of the preprocessing module.

Fig. 4 is an audio diagram illustrating audio containing adjacent phones.

Fig. 5 is a connection block diagram of the feature recognition module.

Fig. 6 is a schematic structural view of the driving device.

Fig. 7 is a schematic plan view of the driving device.

Fig. 8 is a schematic structural view of the ejector pin structure.

Reference numerals: 1. an index plate body; 10. a key; 11. a first guide plate; 12. a second guide plate; 13. an observation window; 2. a mode selection module; 20. an intelligent speech mode; 21. calling a manual mode; 3. a voice recognition module; 30. a voice input module; 31. a preprocessing module; 310. an end point detection unit; 311. a noise reduction unit; 3110. an amplifying subunit; 3111. a filtering subunit; 312. a framing unit; 313. a feature extraction unit; 32. a feature recognition module; 320. a database unit; 3200. a language database subunit; 3201. a voice database subunit; 321. training a model unit; 3210. an acoustic model; 3211. a speech model; 33. an output module; 4. a control module; 5. a route indication module; 50. a speech output mode; 51. a route indication mode; 52. route guidance mode; 6. a rotating shaft; 60. a curtain; 61. a first gear; 62. a support plate; 620. a support rod; 621. a first stop block; 7. a driving structure; 70. a drive belt; 71. a driving wheel; 710. a rotating shaft; 72. a driving member; 8. a lifting structure; 80. a drive gear; 81. a driven gear; 810. a wheel axle; 82. a driving rod; 820. a second stop block; 9. a push rod structure; 90. a guide rack; 91. a second gear; 92. a cam; 93. a first rotating member; 94. and a second rotating piece.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The embodiment of the application discloses a multifunctional index system applied to a business complex. Referring to fig. 1 and 2, the multifunctional index system applied to the business complex comprises an index plate body 1, wherein an index system is arranged in the index plate body 1, the index system comprises a mode selection module 2, a voice recognition module 3, a control module 4 and a route indication module 5, the mode selection module 2 comprises an intelligent voice mode 20 and a calling manual mode 21, when a user selects the intelligent voice mode 20, the voice recognition module 3 can be used for inquiring a road route, and the control module 4 is used for controlling the route indication module 5 to obtain an indication drop line. When a user selects to call the manual mode 21, the index plate body 1 can automatically perform manual consultation and call services, such as calling a non-obstacle ferry, so that the user can obtain help.

Referring to fig. 1 and 2, a key 10, a microphone and a speaker are provided on a sign body 1, a user triggers a mode selection module 2 by pressing the key 10, selects an intelligent voice mode 20 by default, inputs a voice signal to a voice recognition module 3 through the microphone, and if a manual calling mode 21 is required to be selected, a sentence with a manual word such as "manual" or "manual calling" can be spoken, and the manual calling mode 21 can be used for talking with a manual customer service, and service time of the manual customer is identified on the sign body 1.

Referring to fig. 2, the voice recognition module 3 includes a voice input module 30, a preprocessing module 31, a feature recognition module 32, and an output module 33, the voice input module 30 communicates with the preprocessing module 31 to input voice to the preprocessing module 31, the preprocessing module 31 processes the voice signal and extracts features of the voice signal, route planning information and keywords for matching information are stored in the feature recognition module 32, the extracted features are matched with the keywords, and when the matching is successful, the route of the output module 33 can control the route indication module 5 through the control module 4 to indicate the route.

Referring to fig. 3, the preprocessing module 31 includes an endpoint detection unit 310, a noise reduction unit 311, a framing unit 312, and a feature extraction unit 313, where the noise reduction unit 311 is in communication with the endpoint detection unit 310 and the framing unit 312, the endpoint detection unit 310 is configured to detect endpoints of an audio signal to remove white spaces at two ends of the audio signal, the noise reduction unit 311 is configured to reduce noise of the audio signal, and the framing unit 312 is configured to cut the audio signal so as to facilitate processing of the audio signal. The framing unit 312 communicates with the feature extraction unit 313, and the feature extraction unit 313 extracts keywords from the multi-frame audio separated by the framing unit 312.

Referring to fig. 3, the noise reduction unit 311 includes an amplifying subunit 3110 and a filtering subunit 3111, the amplifying subunit 3110 is in communication with the filtering subunit 3111, the amplifying subunit 3110 is for enhancing signal strength of the audio signal, and the filtering subunit 3111 is for filtering noise in the audio signal and enhancing signal-to-noise ratio of the audio signal.

An audio clipping program is provided in the framing unit 312, which clips an audio signal at a time T, where each frame signal is a unit frame signal, and in this application, T is set to 20ms, and phonemes are speech units of the audio signal, each phoneme includes a plurality of unit frame signals, and audio including adjacent phonemes occurs in the unit frame signals, which is not beneficial to extraction of phoneme features, so that the tread point clipping is performed based on the audio clipping program.

Selecting zero frequency point in unit frame signal, referring to fig. 4, selecting first zero frequency point A and last zero frequency point B, setting end points at two ends of unit frame signal as O point and E point, intercepting audio signal of OA segment and audio signal of BE segment, performing time analysis on intercepted signals, setting sampling time as t, and setting time of OA segment as tThe time at the OB end is +.>，

When (when)When T/2 is less than or equal to, performing frame reduction operation, and adding +.>And merging the signals into the previous unit frame signal.

When (when)When the ratio is more than T/2, the frame increasing operation is carried out to ensure +.>Increase (T-)>) A unit frame is formed after a time of ms.

When (when)When T/2 is less than or equal to, performing frame reduction operation, and adding +.>Merging to the next unit frame signal.

Referring to fig. 5, the feature recognition module 32 includes a database unit 320 and a training model unit 321, the database unit 320 includes a language database sub-unit 3200 and a voice database sub-unit 3201, the training model unit 321 includes an acoustic model 3210 and a voice model 3211, the language database sub-unit 3200 and the voice database sub-unit 3201 are trained through the acoustic model 3210 and the voice model 3211 to perform matching work of the extracted features and keywords in the feature recognition module 32, and a recognition result is output, the recognition result is divided into a first result and a second result, the first result is correct route guiding information, a user can obtain route information through the route indication module 5 at this time, the second result is recognition failure information, and the user is required to input the voice information again at this time.

Referring to fig. 2, the route indication module 5 includes a voice output mode 50, a route indication mode 51, and a route guidance mode 52, and in the voice output mode 50, a user can go to a hotel, a convention center, a hotel apartment, a service-room apartment, etc. by obtaining route information in audio form, such as a front left turn. The printer is arranged on the body, the control module 4 comprises a printer control unit, the printer is electrically connected with a printer control power supply, and in a route indication mode 51, the printer control unit controls the printer to print out a route planning, so that a user can conveniently find a building. The index tag body 1 is provided with a ground drawing and a guiding device, the control module 4 comprises a guiding control unit, the guiding control unit is communicated with the guiding device to control the guiding device to conduct road guiding work, the output module 33 is communicated with the control unit, and in a route guiding mode 52, the guiding device can indicate a route reaching a destination building on the ground drawing.

Referring to fig. 1, a cavity is formed in an index tag body 1, a ground drawing and a guiding device are installed in the cavity, the index tag body 1 comprises a first guiding plate 11 and a second guiding plate 12, the number of the second guiding plates 12 is two, the first guiding plate 11 is arranged between the second guiding plates 12, an opening communicated with the cavity is formed in the first guiding plate 11, an observation window 13 is embedded in the opening, the observation window 13 is made of transparent materials, and identification information on a map can be checked through the observation window 13.

Referring to fig. 6 and 7, the guiding device includes a plurality of pivots 6 and is used for driving pivot 6 pivoted drive arrangement, the cover is equipped with a plurality of curtains 60 on the pivot 6, the curtain 60 twines in pivot 6, the one end and the pivot 6 of curtain 60 are fixed, the fixed cover in both ends of pivot 6 is equipped with first gear 61, welding has backup pad 62 on the deflector one 11, backup pad 62 level sets up, be provided with a plurality of supporting holes one on the backup pad 62, wear to be equipped with a plurality of bracing pieces 620 in the supporting hole one, fixed cover is equipped with dog one 621 on the bracing piece 620, the bracing piece 620 is vertically set up on the bracing piece 620 through dog one 621, the cross-section of bracing piece 620 is the rectangle setting, the cross-section of supporting hole one is also the rectangle setting, bracing piece 620 rotates with pivot 6 to be connected, the pivot 6 rotates and can make curtain 60 descend. The information on the ground drawing includes the road between building and the connection building, and the road department of ground drawing sets up to transparent material, all is provided with the roadmap on every curtain 60, and the route that the route on every curtain 60 set up is different, and the roadmap can see through the ground drawing and show to reach the purpose of pointing the road.

Referring to fig. 6 and 7, the number of the rotating shafts 6 is set to two rows, each row of rotating shafts 6 is uniformly and alternately set in the horizontal direction, the two rows of rotating shafts 6 are parallelly and alternately set in the vertical direction, and the second row of rotating shafts 6 and the first row of rotating shafts 6 are alternately set to save space.

Referring to fig. 6 and 7, the driving device includes driving structures 7, the number of the driving structures 7 is two, and the two driving structures 7 are respectively disposed at two ends of the rotating shaft 6, each driving structure 7 includes a driving belt 70 and at least two driving wheels 71, the driving belt 70 is sleeved on the driving wheels 71, the driving wheels 71 are fixedly provided with rotating shafts 710, the rotating shafts 710 are provided with driving members 72 for driving the driving wheels 71 to rotate, the driving members 72 are motors, and the driving members 72 are fixed in the cavities. The side that drive belt 70 and drive wheel 71 butt is provided with the driving tooth, and first gear 61 sets up between drive belt 70, and bracing piece 620 can remove in the vertical direction, and first gear 61 can mesh with the driving tooth of drive belt 70, and then reaches the purpose that drive pivot 6 rotated and put curtain 60 down.

Referring to fig. 6 and 7, in order to reduce the occurrence of the phenomenon that the two ends of the rotating shaft 6 are uneven when the rotating shaft 6 is lifted, a lifting structure 8 is arranged on the guiding device, the lifting structure 8 comprises a driving gear 80, a driven gear 81 and a driving rod 82, the driven gears 81 are arranged in pairs, an axle 810 penetrates through the driven gears 81, the driven gears 81 are rotatably supported in the cavity through the axles 810, teeth are arranged on the supporting rods 620, the driven gears 81 are meshed with the teeth on the supporting rods 620 at the two ends of the rotating shaft 6 respectively, the driving gear 80 is arranged as one, the driving gear 80 is rotatably supported in the cavity, the driving gear 80 is meshed with the driven gears 81, a second supporting hole is further formed in the supporting plate 62, the second supporting hole is formed between the first supporting holes at intervals, the driving rod 82 penetrates through the second supporting holes, a second stop block 820 is arranged on the driving rod 82, the driving rod 82 is fixed on the supporting plate 62 through the second stop block 820, and the driving gear 80 is meshed with the teeth on the driving rod 82. When the driving rod 82 moves upwards, the driving gear 80 can be driven to rotate, the driving gear 80 rotates to enable the driven gears 81 on two sides of the rotating shaft 6 to rotate, the driven gears 81 rotate to enable the supporting rods 620 on two sides of the rotating shaft 6 to move in the vertical direction at the same time, and then two ends of the rotating shaft 6 are lifted at the same time.

Referring to fig. 8, the driving device further includes a push rod structure 9, the push rod structure 9 includes a guide rack 90, a gear two 91, a cam 92, a rotating member one 93 and a rotating member two 94, the rotating member one 93 and the rotating member two 94 are both set as motors, a motor shaft of the rotating member two 94 is welded with the cam 92, the rotating member two 94 is slidably connected with an inner wall of the cavity, the rotating member two 94 can drive the cam 92 to rotate, the guide rack 90 is horizontally arranged, the guide rack 90 is arranged below the driving rod 82, the gear two 91 is meshed with the guide rack 90, the guide rack 90 is fixed on the inner wall of the cavity, the gear two 91 is fixedly sleeved on the motor shaft of the rotating member one 93, the cam 92 is rotatably supported on the motor shaft of the rotating member one 93 through a bearing, the cam 92 can rotate on the motor shaft of the rotating member one 93, and the rotating member one 93 is slidably connected with the inner wall of the cavity. The second rotating member 94 rotates to drive the second gear 91 to move on the guide rack 90, so as to drive the cam 92 and the second rotating member 94 to move, and when the second rotating member moves to the position of the driving rod 82 corresponding to the curtain 60, the second rotating member 72 rotates to rotate the cam 92, so that the driving rod 82 and the rotating shaft 6 are lifted, and the purpose of placing the curtain 60 is achieved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A multi-functional indexing system for a business complex, comprising: the index plate comprises an index plate body (1), wherein an index system is arranged in the index plate, the index system comprises a mode selection module (2), a voice recognition module (3), a control module (4) and a route indication module (5), the mode selection module (2) comprises an intelligent voice mode (20) and a calling manual mode (21), a triggering structure for triggering the mode selection module (2) is arranged on the index plate body (1), a microphone and a loudspeaker are arranged on the index plate body (1), a conversation can be carried out with a manual customer service under the calling manual mode (21) to seek help, and the voice recognition module (3) can recognize inquiry information of a user and carry out route indication operation through the route indication module (5); the voice recognition module (3) comprises a voice input module (30), a preprocessing module (31), a feature recognition module (32) and an output module (34), wherein the voice input module (30) is communicated with the preprocessing module (31) so as to perform noise reduction processing on an input audio signal and extract features, route planning information and keywords matched with corresponding routes are arranged in the feature recognition module (32), and the keywords can be matched with the features and output results to the control module (4) through the output module (34);

the index plate comprises an index plate body (1), wherein a cavity is formed in the index plate body (1), a ground drawing and a guiding device are installed in the cavity, the index plate body (1) comprises a first guiding plate (11) and a second guiding plate (12), the number of the second guiding plates (12) is two, the first guiding plate (11) is arranged between the second guiding plates (12), an opening communicated with the cavity is formed in the second guiding plate (12), an observation window (13) is embedded in the opening, and the observation window (13) is made of transparent materials;

the guide device comprises a plurality of rotating shafts (6) and a driving device for driving the rotating shafts (6), wherein a plurality of curtains (60) are sleeved on the rotating shafts (6), one end of each curtain (60) is fixed with the rotating shafts (6), first gears (61) are fixedly sleeved at two ends of each rotating shaft (6), a supporting plate (62) is welded on each guide plate (11), the supporting plates (62) are horizontally arranged, a plurality of supporting holes I are formed in the supporting plates (62), a plurality of supporting rods (620) are arranged in the supporting holes I in a penetrating mode, a first stop block (621) is fixedly sleeved on each supporting plate (62), the supporting rods (620) are vertically erected on the supporting rods (620) through the first stop block (621), the cross sections of the supporting rods (620) are rectangular, the cross sections of the supporting holes I are rotatably connected with the rotating shafts (6), the number of the rotating shafts (6) is two, each supporting rod (6) is uniformly arranged in the horizontal direction, the two rows of the rotating shafts (6) are arranged at intervals in the first row of the same interval, and the rotating shafts (6) are arranged in the second row of the same interval, and the first rotating shafts (6) are arranged in the vertical direction at intervals;

the driving device comprises driving structures (7), the number of the driving structures (7) is two, the two groups of the driving structures (7) are respectively arranged at two ends of the rotating shaft (6), each group of the driving structures (7) comprises a driving belt (70) and at least two driving wheels (71), the driving belts (70) are sleeved on the driving wheels (71), rotating shafts (710) are fixedly arranged on the driving wheels (71) in a penetrating mode, driving pieces (72) for driving the driving wheels (71) to rotate are arranged on the rotating shafts (710), the driving pieces (72) are fixed in cavities, driving teeth are arranged on the side surfaces, abutting against the driving wheels (71), of the driving belts (70), the first gears (61) are arranged between the driving belts (70), and the supporting rods (620) can move in the vertical direction and can be meshed with the driving teeth of the driving belts (70);

the guide device is provided with a lifting structure (8), the lifting structure (8) comprises a driving gear (80), a driven gear (81) and a driving rod (82), the driven gears (81) are arranged in pairs, a wheel shaft (810) is arranged on the driven gears (81) in a penetrating mode, the driven gears (81) are rotatably supported in a cavity through the wheel shaft (810), a support rod (620) is provided with teeth, the driven gears (81) are respectively meshed with the teeth on the support rods (620) at two ends of a rotating shaft (6), the driving gear (80) is arranged in one mode, the driving gear (80) is rotatably supported in the cavity, the driving gear (80) is meshed with the driven gears (81), a second supporting hole is formed in the support plate (62), the second supporting hole is arranged between the first supporting holes at intervals, the driving rod (82) is arranged in the second supporting hole in a penetrating mode, the second supporting rod (82) is provided with a second stop block (820), the driving rod (82) is fixedly arranged on the support plate (62) through the second stop block (820), and the driving rod (82) is meshed with the teeth on the driving rod (82);

the driving device further comprises a push rod structure (9), the push rod structure (9) comprises a guide rack (90), a gear II (91), a cam (92), a rotating piece I (93) and a rotating piece II (94), a motor shaft of the rotating piece II (94) is welded with the cam (92), the rotating piece II (94) is slidably connected with the inner wall of a cavity, the rotating piece II (94) can drive the cam (92) to rotate, the guide rack (90) is horizontally arranged, the guide rack (90) is arranged below the driving rod (82), the gear II (91) is meshed with the guide rack (90), the guide rack (90) is fixed on the inner wall of the cavity, the gear II (91) is fixedly sleeved on the shaft of the rotating piece I (93), the cam (92) is rotatably supported on the shaft of the rotating piece I (93) through a bearing, and the cam (92) can rotate on the shaft of the rotating piece I (93) and is slidably connected with the inner wall of the cavity.

2. The multi-purpose indexing system for use with a business complex of claim 1, wherein: the preprocessing module (31) comprises an endpoint detection unit (310), a noise reduction unit (311), a framing unit (312) and a feature extraction unit (313), wherein the endpoint detection unit (310) is communicated with the voice input module (30) to cut an input voice signal so as to remove blank sections at two ends of the voice signal; the noise reduction unit (311) communicates with the endpoint detection unit (310) to perform noise reduction processing on the voice signal, the framing unit (312) is configured to divide the voice signal into a plurality of unit frame signals, and the feature extraction unit (313) is configured to extract features in the audio signal.

3. The multi-purpose indexing system for use in a business complex of claim 2, wherein: an audio clipping program is arranged in the framing unit (312) to clip an audio signal at a time T, and to add or subtract frames to a unit frame signal containing adjacent phonemes.

4. A multi-purpose indexing system for use with a business complex as claimed in claim 3, wherein: the noise reduction unit (311) includes an amplifying subunit (3110) and a filtering subunit (3111), the amplifying subunit (3110) communicates with the endpoint detection unit (310) to amplify the voice signal, and the filtering subunit (3111) communicates with the amplifying subunit (3110) to improve a signal-to-noise ratio of the voice signal.

5. The multi-purpose indexing system for use in a business complex of claim 2, wherein: the feature recognition module (32) comprises a database unit (320) and a training model unit (321), the database unit (320) comprises a voice database subunit (3201) and a language database subunit (3200), the training model unit (321) comprises an acoustic model (3210) and a voice model (3211) so as to train the language database subunit (3200) through the acoustic model (3210), and the voice database subunit (3201) is trained through the voice model (3211) so as to match features with keywords.

6. The multi-purpose indexing system for use with a business complex of claim 1, wherein: the route indication module (5) comprises a voice output mode (50), and route information is broadcasted through a loudspeaker in the voice output mode (50).

7. The multi-purpose indexing system for use with a business complex of claim 1, wherein: the route indication module (5) further comprises a route indication mode (51), a printer is arranged on the index plate body (1), and the control module (4) comprises a printer control unit for controlling the printer to print so that the printer can generate and print route information.

8. The multi-purpose indexing system for use with a business complex of claim 1, wherein: the route indication module (5) further comprises a route guiding mode (52), a ground drawing is arranged at the observation window (13), and a transparent road is arranged on the ground drawing.