CN217640645U - Far-field speech device - Google Patents
Far-field speech device Download PDFInfo
- Publication number
- CN217640645U CN217640645U CN202220978397.1U CN202220978397U CN217640645U CN 217640645 U CN217640645 U CN 217640645U CN 202220978397 U CN202220978397 U CN 202220978397U CN 217640645 U CN217640645 U CN 217640645U
- Authority
- CN
- China
- Prior art keywords
- processing module
- module
- speech
- far
- voice
- 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 provides a far field speech device, including the USB accessory, the USB accessory includes sound collection module and speech processing module, sound collection module with speech processing module signal connection, the speech processing module includes that the simulation adopts processing module, signal synchronization processing module firmly, signal synchronization processing module with the processing module signal connection is adopted firmly in the simulation. The utility model provides a far field speech device can expand far field pronunciation scene function for smart machine with lower cost to possible technical effect who matches with the built-in far field pronunciation scene of smart machine.
Description
Technical Field
The utility model relates to a speech signal transmission technical field, in particular to far field speech device.
Background
At present, most of intelligent consumer electronic products have an intelligent voice function, for example, products such as televisions, mobile phones, projectors and intelligent sound boxes, and the intelligent voice function enables users to control intelligent equipment through simple voice interaction. The intelligent voice is also distinguished by a near field and a far field, the near field and the far field are distinguished according to the distance between a user and the voice collecting equipment, the distance between the user and the microphone in the near field voice scene is less than 10cm, voice recognition and control can be carried out as long as the microphone signal is simply collected, but the far field voice scene is far away (generally between 1m and 5 m), other noise is mixed in the voice in the air when the voice is transmitted, and attenuation is more serious when the distance is far away, so that the signal collected by the far field voice needs to be processed by a microphone array and a software algorithm, and a machine can clearly read and understand the signal. Among two above-mentioned intelligent voice scenes, far-field voice scene is more convenient in the use, can liberate both hands completely, but far-field voice scene technical threshold is high and with high costs. The technical development of the intelligent voice scene is that the intelligent device starts from near-field voice and then starts to a far-field voice scene, so most of early intelligent devices only have the near-field voice scene, and in addition, because the cost of the far-field voice scene is higher, and some middle and low-end machines do not have far-field voice, when a user wants to upgrade the equipment to have the far-field voice scene function but does not want to replace more expensive intelligent equipment, a far-field voice device is needed to be used as an accessory, and the intelligent device is upgraded to have the far-field voice scene function at the lowest cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a far field speech device and system solves most of early smart machines and lacks far field pronunciation scene function, and the smart machine that needs to be updated new just can increase far field pronunciation scene function, leads to the technical problem that the cost is expensive.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a far-field speech device, includes the USB accessory, the USB accessory includes sound collection module and speech processing module, sound collection module with speech processing module signal connection, speech processing module includes that the simulation adopts processing module, signal synchronization processing module firmly, signal synchronization processing module with the simulation adopts processing module signal connection firmly.
Preferably, the intelligent device comprises an intelligent device audio module, a voice recognition module and a voice preprocessing module, wherein the intelligent device audio module and the voice preprocessing module are in signal connection with the voice processing module respectively, and the voice recognition module is in signal connection with the voice preprocessing module.
Preferably, the USB accessory further includes a voice preprocessing module, and the voice preprocessing module is in signal connection with the signal synchronization processing module.
Preferably, the intelligent device comprises an intelligent device audio module and the voice recognition module, the intelligent device audio module is in signal connection with the voice processing module, and the voice recognition module is in signal connection with the voice pre-processing module.
Preferably, the sound collection module at least comprises a microphone, and the USB accessory comprises a USB data transmission interface and is in signal connection with other intelligent devices through USB audio protocol.
Through implementing above technical scheme, have following technological effect: the utility model provides a far field speech device can expand far field pronunciation scene function for smart machine with lower cost to possible technical effect who matches with smart machine embeds far field pronunciation scene.
Drawings
Fig. 1 is a schematic diagram of a USB accessory module according to the embodiment 1 of the present invention;
fig. 2 is a schematic block diagram of a far-field speech apparatus scheme 1 according to the present invention;
fig. 3 is a schematic diagram of a USB accessory module of far-field speech device scheme 2 according to the present invention;
fig. 4 is a schematic block diagram of scheme 2 of the far-field speech apparatus provided by the present invention;
fig. 5 is a schematic block diagram of scheme 3 of the far-field speech apparatus provided by the present invention.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed description of the embodiments provided in the present invention is provided with reference to the accompanying drawings.
A far-field speech device is shown in figure 1 and comprises a USB accessory, wherein the USB accessory comprises a sound acquisition module and a speech processing module, the sound acquisition module is in signal connection with the speech processing module, the speech processing module comprises a simulation hard acquisition processing module and a signal synchronization processing module, and the signal synchronization processing module is in signal connection with the simulation hard acquisition processing module. Preferably, the sound collection module at least comprises a Microphone (Microphone), and the USB accessory comprises a USB data transmission interface and is in signal connection with other intelligent devices through USB audio protocol. On the basis of the above embodiment, in other embodiments, the mobile terminal further includes an intelligent device, the intelligent device includes an intelligent device audio module, a speech recognition module and a speech preprocessing module, the intelligent device audio module and the speech preprocessing module are respectively in signal connection with the speech processing module, and the speech recognition module is in signal connection with the speech preprocessing module. The sound collection module at least comprises a Microphone (Microphone), and the USB accessory comprises a USB data transmission interface and is in signal connection with other intelligent equipment through a USB audio protocol. As shown in scheme 1 of fig. 1-2, the USB accessory includes a Microphone signal collecting function, a simulation hard acquisition processing function, and a signal synchronization processing function, the USB accessory includes the Microphone signal collecting function, the simulation hard acquisition processing function, and the signal synchronization processing function, the sound collecting module includes at least one Microphone (Microphone), and the USB accessory includes a USB data transmission interface and is in signal connection with other intelligent devices through a USB audio protocol. In this embodiment, the sound collection module is a Microphone array including four microphones (microphones), the sound collection module collects Microphone signals, the Microphone signals generally include human sound signals, echo signals and environmental noise signals, the voice processing module also receives reference signals transmitted through a usb audio protocol in the intelligent device, the voice processing module performs analog hard acquisition algorithm processing on the reference signals in the analog hard acquisition processing module, simultaneously performs synchronous processing on the reference signals and the Microphone signals in the signal synchronous processing module, and finally splices the processed Microphone signals and the reference signals together and transmits the signals to the voice pre-processing module of the intelligent device through usb audio to output human sounds, and then transmits the signals to the voice recognition module to perform processing such as voice recognition.
On the basis of the foregoing embodiment, in this embodiment, further, the speech preprocessing module may also be disposed in the USB accessory, as shown in scheme 2 in fig. 3 to 4, where the USB accessory transmits a pure human voice signal to the smart device. In this embodiment, the sound collection module is a Microphone array including a plurality of microphones (microphones), the sound collection module collects Microphone signals, the Microphone signals generally include human voice signals, echo signals and ambient noise signals, the voice processing module also receives reference signals transmitted through a usb audio protocol in the smart device, the voice processing module performs analog hard acquisition algorithm processing on the reference signals in the analog hard acquisition processing module, and simultaneously performs synchronous processing on the reference signals and the Microphone signals in the signal synchronous processing module, finally splices the processed Microphone signals and the reference signals together and transmits the processed Microphone signals and the processed reference signals to the voice preprocessing module to output pure human voice, and then transmits the processed Microphone signals and the processed reference signals to the voice recognition module of the smart device to perform processing such as voice recognition. The reference signal transmitted by the intelligent equipment is subjected to analog hard acquisition processing by an analog hard acquisition processing module, and a resampling method is used for ensuring the relative delay between the microphone signal and the reference signal to be stable, so that the far-field voice effect is better; meanwhile, the USB audio transmission mode is used for acquiring the reference signal of the intelligent equipment and then processing the reference signal, so that the loudspeaker of the intelligent equipment can sound at the same time; moreover, the far-field voice scene function can be expanded for the intelligent equipment at a lower cost, and the technical effect equivalent to that of a far-field voice scene built in the intelligent equipment can be achieved.
On the basis of the foregoing embodiment, in other embodiments, further, the analog hard acquisition processing module, the signal synchronization processing module, and the pre-speech processing module may be disposed in an intelligent device, as shown in scheme 3 in fig. 5, the USB accessory includes a sound acquisition module, preferably, the sound acquisition module includes at least one Microphone (Microphone), and the USB accessory includes a USB data transmission interface and is in signal connection with other intelligent devices through USB audio protocol. On the basis of the foregoing embodiment, in other embodiments, a further smart device is further included, where the smart device includes a smart device audio module and the speech recognition module; the intelligent equipment further comprises a voice processing module and a voice pre-processing module, the voice acquisition module is in signal connection with the voice processing module, the voice processing module comprises a simulation hard acquisition processing module and a signal synchronous processing module, and the signal synchronous processing module is in signal connection with the simulation hard acquisition processing module; the voice pre-processing module is in signal connection with the signal synchronous processing module. The intelligent device audio module is in signal connection with the voice processing module, and the voice recognition module is in signal connection with the voice pre-processing module. The sound collection module at least comprises a Microphone (Microphone), and the USB accessory comprises a USB data transmission interface and is in signal connection with other intelligent equipment through a USB audio protocol. As shown in fig. 5, in the embodiment, the USB accessory passes through a sound collection module, the sound collection module is a Microphone array including a plurality of microphones (microphones), the sound collection module collects Microphone signals, the Microphone signals generally include a human voice signal, an echo signal and an environmental noise signal, then the collected Microphone signals are transmitted to the smart device through a USB audio protocol, the voice processing module of the smart device also receives a reference signal transmitted from the audio processing module of the smart device, the voice processing module performs analog hard acquisition algorithm processing on the reference signal in the analog hard acquisition processing module, performs synchronous processing on the reference signal and the Microphone signal in the signal synchronous processing module, and finally splices the processed Microphone signal and the reference signal together and transmits the processed Microphone signal to the voice pre-processing module for processing, and outputs a pure human voice, and then performs processing such as voice recognition through the voice recognition module. The reference signal of the intelligent device is subjected to analog hard acquisition processing through an analog hard acquisition processing module, and a resampling method is used for ensuring the relative delay between the microphone signal and the reference signal to be stable, so that the far-field voice effect is better; meanwhile, a USB audio transmission mode is used for acquiring a transmission microphone signal, a USB data transmission interface mode is used for making a set of standard accessories, the method can be suitable for different intelligent devices, and the influence of vibration and mechanical noise of the intelligent devices on far-field voice is reduced; and the far-field voice scene function can be expanded for the intelligent equipment at lower cost, and the technical effect equivalent to the built-in far-field voice scene of the intelligent equipment can be achieved.
It introduces to the above the embodiment of the present invention provides a far field speech device, to the general technical personnel in this field, according to the utility model discloses the thought, all has the change part on concrete implementation and application scope, to sum up, this specification content should not be understood as the restriction of the utility model.
Claims (5)
1. The utility model provides a far-field speech device, its characterized in that includes the USB accessory, the USB accessory includes sound collection module and speech processing module, sound collection module with speech processing module signal connection, speech processing module includes that the simulation adopts processing module, signal synchronization processing module firmly, signal synchronization processing module with the simulation adopts processing module signal connection firmly.
2. The far-field speech device according to claim 1, further comprising an intelligent device, wherein the intelligent device comprises an intelligent device audio module, a speech recognition module and a pre-speech processing module, the intelligent device audio module and the pre-speech processing module are respectively in signal connection with the speech processing module, and the speech recognition module is in signal connection with the pre-speech processing module.
3. The far-field speech device according to claim 1, wherein the USB accessory further comprises a pre-speech processing module in signal connection with the signal synchronization processing module.
4. The far-field speech apparatus according to claim 3, further comprising an intelligent device, wherein the intelligent device comprises an intelligent device audio module and a speech recognition module, the intelligent device audio module is in signal connection with the speech processing module, and the speech recognition module is in signal connection with the pre-speech processing module.
5. The far-field speech apparatus according to claim 1, wherein the sound collection module comprises at least one microphone, and the USB accessory comprises a USB data transmission interface and is in signal connection with other smart devices via USB audio protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220978397.1U CN217640645U (en) | 2022-04-26 | 2022-04-26 | Far-field speech device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220978397.1U CN217640645U (en) | 2022-04-26 | 2022-04-26 | Far-field speech device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217640645U true CN217640645U (en) | 2022-10-21 |
Family
ID=83648242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220978397.1U Active CN217640645U (en) | 2022-04-26 | 2022-04-26 | Far-field speech device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217640645U (en) |
-
2022
- 2022-04-26 CN CN202220978397.1U patent/CN217640645U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3860144A1 (en) | Far-field sound pickup device and voice signal collection method implemented therein | |
| JP2019204074A (en) | Speech dialogue method, apparatus and system | |
| CN110349582B (en) | Display device and far-field voice processing circuit | |
| CN101854571A (en) | Headphone device | |
| CN112017687A (en) | Voice processing method, device and medium of bone conduction equipment | |
| CN109996161A (en) | A kind of mobile terminal and its control method of speaking, the device with store function | |
| CN208691406U (en) | Far field speech collecting system for smart television | |
| CN111787461B (en) | Intelligent sound equipment, control method and device thereof and computer readable storage medium | |
| CN110187859A (en) | A kind of denoising method and electronic equipment | |
| CN105847566A (en) | Mobile terminal audio volume adjusting method and device | |
| CN111182116A (en) | Multi-channel audio testing device and testing method | |
| CN110728969A (en) | Double-point sounding karaoke system and method | |
| CN112599144B (en) | Audio data processing method, audio data processing device, medium and electronic equipment | |
| CN103974168A (en) | Information processing method and electronic devices | |
| CN217640645U (en) | Far-field speech device | |
| CN103559878A (en) | Method for eliminating noise in audio information and device thereof | |
| CN213547829U (en) | Circuit structure and terminal of microphone | |
| CN213123757U (en) | Car fills and K sings system in car | |
| CN213211700U (en) | Echo cancellation device | |
| CN114664303A (en) | Continuous voice instruction rapid recognition control system | |
| CN113517000A (en) | Echo cancellation test method, terminal and storage device | |
| CN210491180U (en) | Karaoke system and family scene Karaoke system | |
| CN111988705B (en) | Audio processing method, device, terminal and storage medium | |
| CN113115164A (en) | Conversation bluetooth headset based on ANC falls and makes an uproar | |
| CN112394771A (en) | Communication method, communication device, wearable device and readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |