CN105657172A - DSP power amplifier interaction system - Google Patents
DSP power amplifier interaction system Download PDFInfo
- Publication number
- CN105657172A CN105657172A CN201610032017.4A CN201610032017A CN105657172A CN 105657172 A CN105657172 A CN 105657172A CN 201610032017 A CN201610032017 A CN 201610032017A CN 105657172 A CN105657172 A CN 105657172A
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- power amplifier
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- dsp power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a DSP power amplifier interaction system, comprising a DSP power amplifier, a wireless router connected with the DSP power amplifier by a data line, and a mobile terminal APP, wherein the DSP power amplifier establishes a wireless connection with the mobile terminal APP via the wireless router, thus the mobile terminal APP transmits debugging parameters and songs to the DSP power amplifier. According to the DSP power amplifier interaction system, on the one hand, the DSP power amplifier can implement the debugging function via the mobile terminal without being limited by the traditional mode of debugging by using a PC, thus being more convenient and rapid; and the mobile terminal can be used for transmitting the songs to the DSP power amplifier without additionally inserting a U disk, thus being very convenient. And on the other hand, mutual borrowing between users is achieved, a new hand can directly use the wireless router of a skilled person to achieve the purpose of debugging the DSP power amplifier, and the trouble of debugging by oneself is saved.
Description
Technical field
The present invention relates to a kind of DSP power amplifier, more specifically, it relates to a kind of mutual system of DSP power amplifier.
Background technology
Vehicle power amplifier on current domestic and international market all exist size bigger than normal, complicated time length is installed, the problem such as tuning difficulty is big, connecting power amplifier with PC by USB port debugs, however due to interior space narrow and small, operate very inconvenient. In addition, for new hand, owing to lacking commissioning experience, it is very difficult to according to different songs, adjust different parameters to control power amplifier, if to be asked experienced expert to be debugged by each head song, seem again particularly troublesome.
Summary of the invention
For the deficiency that prior art exists, it is an object of the invention to provide a kind of mutual system of DSP power amplifier, it is possible to realize the power amplifier tuning parameter that new hand can obtain song fast.
For achieving the above object, the present invention provides following technical scheme:
A kind of mutual system of DSP power amplifier, comprises wireless routing device and mobile terminal APP that DSP power amplifier and DSP power amplifier are connected by data line; Described DSP power amplifier sets up wireless connections by described wireless routing device and mobile terminal APP, to realize mobile terminal APP, tuning parameter and song is transferred to DSP power amplifier;
Described DSP power amplifier has unique ID;
Described wireless routing device comprises the 2nd data interface, WiFi module, the 2nd memory module and data interaction module; Described 2nd data interface is for being connected with DSP power amplifier; Described 2nd memory module prestores the ID information corresponding with DSP power amplifier; Described WiFi module is for being sent to DSP power amplifier by the data received from mobile terminal APP by the 2nd data interface.
Described data interaction module comprises:
Recognition unit, is configured to unique ID of the DSP power amplifier connected for identifying, and mates with the ID information in the 2nd memory module, if can mate, then generates same machine information, does not mate, then generates different machine information;
Extraction unit, is configured to the title of the song for extracting the song that WiFi module receives from mobile terminal APP and tuning parameter;
Binding unit, is configured in response to described same machine information, and the title of the song and the tuning parameter that are extracted by extraction unit are bound, and then generate information of binding accordingly, and this binding information are stored in described 2nd memory module;
Resolution unit, is configured in response to described different machine information, the title of the song extracted by extraction unit, obtains corresponding binding information, and parses tuning parameter, be then sent to DSP power amplifier by the 2nd data interface in the 2nd memory module.
Further, described mobile terminal APP is also configured to for sending ID information to wireless routing module;
Described extraction unit is also configured to the ID information received for extracting WiFi module from mobile terminal APP;
Described data interaction module also comprises ID information updating unit, and described ID information updating unit is configured to the ID information for being extracted by described extraction unit and is covered in the 2nd memory module original ID information.
Further, described binding unit is also configured to, by the 2nd data interface, described binding information is sent to DSP power amplifier, stores by DSP power amplifier.
Further, described ID information updating unit, when covering ID information, generates a coverage information;
Described data interaction module also comprises binding information updating unit, described binding information updating unit is configured in response to described coverage information, from DSP power amplifier, the binding information that its inside stores is obtained by the 2nd data interface, and after the acquisition, it is covered in the 2nd memory module by the binding information got original binding information.
Further, described DSP power amplifier comprises audio frequency data interface, DSP audio-frequency signal processing module, power supply module, power amplifier module, data processing module, the first memory module and the first data interface; Described first memory module prestores described unique ID; Described first interface module is for being connected by data line with the 2nd data interface; Described data processing module carries out data interaction by the first interface module and wireless routing device, specifically comprises:
Data transformation operations unit, is configured to the song for receiving from WiFi module and regulating parameter carries out data protocol conversion, and send is to DSP audio-frequency signal processing module;
Data storage operations unit, is configured to for the binding information received from binding unit is stored to the first memory module;
Data acquisition operations unit, is configured to for the binding information in the 2nd memory module is sent to binding information updating unit.
Further, described extraction unit is also configured to by the 2nd data interface, the ID information extracted is sent to data processing module; Described data processing unit also comprises ID verification unit, described ID verification unit is configured to for being verified by the unique ID in the ID received information and the first memory module, if check errors, then send error message to WiFi module, error message is sent to mobile terminal APP by WiFi module, resends correct ID information to point out.
Compared with prior art, it is an advantage of the invention that: by above technical scheme, on the one hand, achieve the function that DSP power amplifier can be undertaken debugging by mobile terminal, and be not limited to the mode that employing PC debugs traditionally, and then more convenient, additionally it is possible to transmit song with mobile terminal to DSP power amplifier, need not additionally insert USB flash disk, very convenient. On the other hand, also achieving mutually using between user, new hand can directly use the wireless routing device of expert, reaches the object of debugging DSP power amplifier, and eliminates the trouble of oneself debugging.
Accompanying drawing explanation
Fig. 1 is the system architecture figure of the mutual system of DSP power amplifier in the present invention;
Fig. 2 is the function structure chart of DSP power amplifier in the present invention;
Fig. 3 is the function structure chart of wireless routing device in the present invention.
Reference numeral: 1, DSP power amplifier, 2, wireless routing device.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
With reference to Fig. 1, a kind of mutual system of DSP power amplifier, comprise DSP power amplifier, with the wireless routing device that DSP power amplifier is connected by data line, and mobile terminal APP, wherein, described data line adopts the netting twine being applicable to RJ45 interface, and then DSP power amplifier sets up focus by wireless routing device, then mobile terminal APP is connected on this focus, then according to personal like, mobile terminal APP carries out DIY configuration, and it is loaded into DSP power amplifier by WiFi, the data comprise that specifically can transmit is to the tuning parameter of DSP power amplifier, song etc.
Audio frequency data interface, DSP audio-frequency signal processing module, power supply module, power amplifier module, data processing module, the first memory module and the first data interface is comprised with reference to Fig. 2, DSP power amplifier; Wherein, audio frequency data interface comprises audio data input interface and audio frequency data export interface, is respectively used to car audio system and connects; DSP audio-frequency signal processing module adopts CS47048, and this device has 32 advanced bit DSPs, digital audio D/A on high-performance multi-channel audio codec and one chip and A/D conversion; First memory module comprises storage chip, and it prestores unique ID, and this unique ID represents the unique identities of DSP power amplifier; First interface module is RJ45 interface, for connected with network cable. Data processing module carries out data interaction by the first data interface and wireless routing device, it specifically comprises data transformation operations unit, data storage operations unit and data acquisition operations unit, wherein, data conversion module is for carrying out data protocol conversion by the song received from WiFi module and regulating parameter, such as RJ45 turns serial conversion, send, to DSP audio-frequency signal processing module, processes for DSP audio-frequency signal processing module; Data storage operations unit be used for will the data that receive stored in in the first memory module; Data acquisition operations unit is for taking out the data in the first memory module, and is sent to wireless routing device by the first data interface.
With reference to Fig. 3, wireless routing device comprises the 2nd data interface, WiFi module, the 2nd memory module and data interaction module. Wherein, the 2nd data interface is RJ45 interface, for connected with network cable; 2nd memory module comprises storage chip, prestores the ID information corresponding with DSP power amplifier in it; WiFi module adopts RT5350, inside is integrated with Base-Band Processing device, radio frequency, radio frequency power amplifier, a high performance MIPS24KcCPU kernel (most high primary frequency 360MHz), a five-port 100 m ethernet exchange board, for being sent to DSP power amplifier by the data received from mobile terminal APP by the 2nd data interface. Data interaction module comprises recognition unit, extraction unit, binding unit, resolution unit, binding information updating unit and ID information updating unit.
After wireless routing device is connected by netting twine with DSP power amplifier, unique ID of the DSP power amplifier connected is identified by recognition unit, when identifying, recognition unit sends, to the data processing module of DSP power amplifier, the request of identification by RJ45 interface, this identification request is by data acquisition operations cell response, data acquisition operations unit reads out this unique ID from the first memory module, by the first data interface, this unique ID is sent to recognition unit, after recognition unit receives unique ID, ID information is read again from the 2nd memory module, both are mated, if can mate, then generate same machine information, if not mating, then generate different machine information, wherein, it is sent to binding unit with machine information, different machine information is sent to resolution unit.
WiFi module while being transferred to DSP power amplifier, also transfers in data interaction module after receiving data from mobile terminal APP, and carries out extraction by extraction unit and operate, with the song title that extracts in data and tuning parameter. Mobile terminal APP, when sending data, sets up corresponding check bit in data section, and extraction unit, when extracting, distinguishes title of the song and the tuning parameter of song according to check bit.
Extraction unit is after extracting title of the song and tuning parameter, send it to binding unit, if binding unit have received same machine information before this, just the title of the song received and tuning parameter are bound, then generate and bind information accordingly, and this binding information is stored in the 2nd memory module.
Extraction unit is after extracting title of the song and tuning parameter, send it to resolution unit, if resolution unit have received different machine information before this, then according to the title of the song received, 2nd memory module is inquired about, to obtain corresponding binding information, and parses tuning parameter, then it is sent to DSP power amplifier by the 2nd data interface, for DSP power amplifier.
In addition, if expert takes the wireless routing device of new hand, due to the restriction of ID, it it is the wireless routing device that cannot use new hand, therefore, in order to address this problem, in the present invention, this mobile terminal APP is also configured to for sending ID information to wireless routing module, namely on the touch-screen of mobile terminal, applied by APP, input ID, send is to wireless routing device, after WiFi module receives, transfer to data interaction module, extract by extraction unit, after extracting, it is sent to ID information updating unit, the ID information received is covered in the 2nd memory module original ID information by ID information updating unit, realize the replacement of ID information, so, the wireless routing device exchanged from new hand there just can be mated by expert with the DSP power amplifier of oneself, for oneself is used, and then by mobile terminal APP DSP power amplifier debugged or transmit the data such as song to DSP power amplifier.
Simultaneously, extraction unit is also configured to by the 2nd data interface, the ID information extracted is sent to data processing module, process by the ID verification unit in data processing module, ID verification unit is after receiving ID information, unique ID in itself and the first memory module is verified, if check errors, then sends error message by the first data interface to WiFi module, error message is sent to mobile terminal APP by WiFi module, resends correct ID information to point out.
In addition, in order to avoid expert to repeat tuning parameter, in the present embodiment, binding unit is also configured to, while binding information is stored to the 2nd memory module, also by the 2nd data interface, binding information is sent to DSP power amplifier, stores by DSP power amplifier, specifically by the data storage operations unit in data processing module, binding information is stored to the first memory module.
In addition, owing to expert has been present in binding information from the wireless routing device that new hand exchanges, consequently, it is desirable to it is upgraded, in the present invention, ID information updating unit is when covering ID information, generate a coverage information, this coverage information is sent to binding information updating unit, after binding information updating unit receives coverage information, send, to DSP power amplifier, the request of acquisition by the 2nd data interface, this acquisition request transfers operation cell processing by the data in data processing module, data are transferred operation cell response and are asked in this acquisition, transfer in the first memory module the binding information stored, and by data interaction module that the first data interface is sent in wireless routing device, and process by binding information updating unit, binding information updating unit is after receiving binding information, it is covered in the 2nd memory module original binding information. so, expert just can realize directly using the wireless routing device come from that exchange of new hand, and does not need tuning parameter again.
Claims (7)
1. the mutual system of DSP power amplifier, is characterized in that, comprises wireless routing device and mobile terminal APP that DSP power amplifier and DSP power amplifier are connected by data line; Described DSP power amplifier sets up wireless connections by described wireless routing device and mobile terminal APP, to realize mobile terminal APP, tuning parameter and song is transferred to DSP power amplifier;
Described DSP power amplifier has unique ID;
Described wireless routing device comprises the 2nd data interface, WiFi module, the 2nd memory module and data interaction module; Described 2nd data interface is for being connected with DSP power amplifier; Described 2nd memory module prestores the ID information corresponding with DSP power amplifier; Described WiFi module is for being sent to DSP power amplifier by the data received from mobile terminal APP by the 2nd data interface.
2. described in, data interaction module comprises:
Recognition unit, is configured to unique ID of the DSP power amplifier connected for identifying, and mates with the ID information in the 2nd memory module, if can mate, then generates same machine information, does not mate, then generates different machine information;
Extraction unit, is configured to the title of the song for extracting the song that WiFi module receives from mobile terminal APP and tuning parameter;
Binding unit, is configured in response to described same machine information, and the title of the song and the tuning parameter that are extracted by extraction unit are bound, and then generate information of binding accordingly, and this binding information are stored in described 2nd memory module;
Resolution unit, is configured in response to described different machine information, the title of the song extracted by extraction unit, obtains corresponding binding information, and parses tuning parameter, be then sent to DSP power amplifier by the 2nd data interface in the 2nd memory module.
3. the mutual system of DSP power amplifier according to claim 1, is characterized in that, described mobile terminal APP is also configured to for sending ID information to wireless routing module;
Described extraction unit is also configured to the ID information received for extracting WiFi module from mobile terminal APP;
Described data interaction module also comprises ID information updating unit, and described ID information updating unit is configured to the ID information for being extracted by described extraction unit and is covered in the 2nd memory module original ID information.
4. the mutual system of DSP power amplifier according to claim 2, is characterized in that, described binding unit is also configured to, by the 2nd data interface, described binding information is sent to DSP power amplifier, stores by DSP power amplifier.
5. the mutual system of DSP power amplifier according to claim 3, is characterized in that, described ID information updating unit, when covering ID information, generates a coverage information;
Described data interaction module also comprises binding information updating unit, described binding information updating unit is configured in response to described coverage information, from DSP power amplifier, the binding information that its inside stores is obtained by the 2nd data interface, and after the acquisition, it is covered in the 2nd memory module by the binding information got original binding information.
6. the mutual system of DSP power amplifier according to claim 4, it is characterized in that, described DSP power amplifier comprises audio frequency data interface, DSP audio-frequency signal processing module, power supply module, power amplifier module, data processing module, the first memory module and the first data interface; Described first memory module prestores described unique ID; Described first interface module is for being connected by data line with the 2nd data interface; Described data processing module carries out data interaction by the first interface module and wireless routing device, specifically comprises:
Data transformation operations unit, is configured to the song for receiving from WiFi module and regulating parameter carries out data protocol conversion, and send is to DSP audio-frequency signal processing module;
Data storage operations unit, is configured to for the binding information received from binding unit is stored to the first memory module;
Data acquisition operations unit, is configured to for the binding information in the 2nd memory module is sent to binding information updating unit.
7. the mutual system of DSP power amplifier according to claim 5, is characterized in that, described extraction unit is also configured to by the 2nd data interface, the ID information extracted is sent to data processing module; Described data processing unit also comprises ID verification unit, described ID verification unit is configured to for being verified by the unique ID in the ID received information and the first memory module, if check errors, then send error message to WiFi module, error message is sent to mobile terminal APP by WiFi module, resends correct ID information to point out.
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| CN201610032017.4A CN105657172B (en) | 2016-01-18 | 2016-01-18 | A kind of DSP power amplifier interactive system |
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| CN201610032017.4A CN105657172B (en) | 2016-01-18 | 2016-01-18 | A kind of DSP power amplifier interactive system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089328A (en) * | 2018-10-24 | 2018-12-25 | 宁波奥克斯电气股份有限公司 | A kind of debugging air conditioner system and debugging air conditioner method |
| CN109151480A (en) * | 2017-06-16 | 2019-01-04 | 宝山钢铁股份有限公司 | A kind of Video coding wireless transmission and reception device and method |
| CN110073655A (en) * | 2016-12-22 | 2019-07-30 | 索尼半导体解决方案公司 | Solid-state imaging device, electronic equipment and the method for controlling solid-state imaging device |
| CN110505554A (en) * | 2019-08-22 | 2019-11-26 | 广州番禺巨大汽车音响设备有限公司 | It is a kind of based on DSP enhancing function audio apparatus method and system |
| CN110534079A (en) * | 2019-08-22 | 2019-12-03 | 广州番禺巨大汽车音响设备有限公司 | A kind of method and system for the Karaoke of more sound effects |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130055351A1 (en) * | 2010-04-23 | 2013-02-28 | Huawei Device Co., Ltd. | Wireless Internet Access Module, Communication Method for Host and Wireless Internet Access Module, and Data Card |
| CN204029385U (en) * | 2014-07-15 | 2014-12-17 | 杭州罗孚音响有限公司 | The double mode music playing system of WIFI+ bluetooth |
| CN104270510A (en) * | 2014-09-19 | 2015-01-07 | 深圳市航盛电子股份有限公司 | Vehicular audio frequency and sound effect setting method |
| CN105096976A (en) * | 2015-08-03 | 2015-11-25 | 宁波爱维斯工贸有限公司 | Audio system for controlling DSP via intelligent APP in Bluetooth mode |
-
2016
- 2016-01-18 CN CN201610032017.4A patent/CN105657172B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130055351A1 (en) * | 2010-04-23 | 2013-02-28 | Huawei Device Co., Ltd. | Wireless Internet Access Module, Communication Method for Host and Wireless Internet Access Module, and Data Card |
| CN204029385U (en) * | 2014-07-15 | 2014-12-17 | 杭州罗孚音响有限公司 | The double mode music playing system of WIFI+ bluetooth |
| CN104270510A (en) * | 2014-09-19 | 2015-01-07 | 深圳市航盛电子股份有限公司 | Vehicular audio frequency and sound effect setting method |
| CN105096976A (en) * | 2015-08-03 | 2015-11-25 | 宁波爱维斯工贸有限公司 | Audio system for controlling DSP via intelligent APP in Bluetooth mode |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073655A (en) * | 2016-12-22 | 2019-07-30 | 索尼半导体解决方案公司 | Solid-state imaging device, electronic equipment and the method for controlling solid-state imaging device |
| US11394913B2 (en) | 2016-12-22 | 2022-07-19 | Sony Semiconductor Solutions Corporation | Solid-state imaging element, electronic device, and method for controlling correction of luminance in the solid-state imaging element |
| CN109151480A (en) * | 2017-06-16 | 2019-01-04 | 宝山钢铁股份有限公司 | A kind of Video coding wireless transmission and reception device and method |
| CN109089328A (en) * | 2018-10-24 | 2018-12-25 | 宁波奥克斯电气股份有限公司 | A kind of debugging air conditioner system and debugging air conditioner method |
| CN110505554A (en) * | 2019-08-22 | 2019-11-26 | 广州番禺巨大汽车音响设备有限公司 | It is a kind of based on DSP enhancing function audio apparatus method and system |
| CN110534079A (en) * | 2019-08-22 | 2019-12-03 | 广州番禺巨大汽车音响设备有限公司 | A kind of method and system for the Karaoke of more sound effects |
| CN110505554B (en) * | 2019-08-22 | 2022-06-17 | 广州番禺巨大汽车音响设备有限公司 | Method and system based on sound box with DSP (digital signal processor) enhanced function |
| CN110534079B (en) * | 2019-08-22 | 2023-01-13 | 广州番禺巨大汽车音响设备有限公司 | Method and system for multi-sound-effect karaoke |
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