CN203261344U - Wireless broadcast listening rate acquisition instrument - Google Patents
Wireless broadcast listening rate acquisition instrument Download PDFInfo
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- CN203261344U CN203261344U CN 201320127599 CN201320127599U CN203261344U CN 203261344 U CN203261344 U CN 203261344U CN 201320127599 CN201320127599 CN 201320127599 CN 201320127599 U CN201320127599 U CN 201320127599U CN 203261344 U CN203261344 U CN 203261344U
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Abstract
The utility model discloses a wireless broadcast listening rate acquisition instrument. The wireless broadcast listening rate acquisition instrument comprises a 2.4G module for receiving personnel identification card signals; a micro-control unit MCU for determining people within a listening scope according to the personnel identification card signals; an operation interface for receiving listening operation instructions from people; a reception module for receiving wireless broadcast audio signals according to the listening operation instructions; a loudspeaker used for amplifying the wireless broadcast audio signals; a frequency modulation FM emission module used for sending the amplified wireless broadcast audio signals; and a microphone MIC for acquiring extraneous sounds. The MCU is also used for determining whether there are sounds matching the sent wireless broadcast audio signals in the acquired extraneous sounds. If there are sounds matching the sent wireless broadcast audio signals in the acquired extraneous sounds, then the MCU determines that people within the listening range are tuning in to the sent wireless broadcast audio signals. The wireless broadcast listening rate acquisition instrument which can increase the broadcast listening rate acquisition precision and time effectiveness further satisfies the demands of the market for objective, scientific and accurate listening rate data.
Description
Technical field
The utility model relates to the wireless broadcast technologies field, relates in particular to radio broadcasting audience rating Acquisition Instrument.
Background technology
The collection of radio broadcasting audience rating is to gather the somewhere in certain specific time period (program is play the period) for realizing, the number of listening to certain radio station (program) accounts for the order ground of the potential audience's in this area ratio, namely realizes the data acquisition of radio broadcasting audience rating.
The used data in present domestic audience rating market mostly are questionnaire or diary card mode, but there is the problem of precision and poor in timeliness in this mode.Along with the development of radio broadcasting, market is to objective, science, the audience rating demand data is more and more stronger accurately, and the collection of existing radio broadcasting audience rating can't be met the need of market.
The utility model content
The utility model embodiment provides a kind of radio broadcasting audience rating Acquisition Instrument, and in order to improving precision that the radio broadcasting audience rating gathers and ageing, satisfying the market is to objective, science, audience rating demand data accurately, and this radio broadcasting audience rating Acquisition Instrument comprises:
2.4G module is used for the personal identification card signal in the scope of listening to;
Micro-control unit MCU is connected with the 2.4G module, is used for the personal identification card signal according to the reception of 2.4G module, determines the personnel in the scope of listening to;
Operation-interface is connected with MCU, is used for listening to operational order and will listen to operational order and offering MCU of reception staff;
The radio reception module is connected with MCU, is used for receiving the radio broadcasting audio signal according to the operational order of listening to that obtains from MCU, and the radio broadcasting audio signal is offered MCU;
Loudspeaker are connected with MCU, are used for obtaining the radio broadcasting audio signal from MCU, and the radio broadcasting audio signal is amplified, and the radio broadcasting audio signal after amplifying is offered MCU;
The modulating FM transmitter module is connected with MCU, and the radio broadcasting audio signal for after obtaining to amplify from MCU sends the radio broadcasting audio signal after amplifying;
Microphone MIC is connected with MCU, is used for gathering external sound, and the external sound that gathers is offered MCU;
Described MCU also be used for to determine the sound whether external sound that MIC gathers has the radio broadcasting audio signal that sends with the FM transmitter module to be complementary, if having then determine to listen to the radio broadcasting audio signal that the personnel in the scope are listening to the FM transmitter module and send.
Among the embodiment, described FM transmitter module specifically is used for:
Send behind the audio coding of adding setpoint frequency in the radio broadcasting audio signal after amplification;
Described MCU specifically is used for:
When in determining the external sound that MIC gathers, the audio coding of described setpoint frequency being arranged, determine that the interior personnel of the scope of listening to are in the radio broadcasting audio signal of listening to the transmission of FM transmitter module.
Among the embodiment, described FM transmitter module specifically is used for:
Send after adding the multi-frequency audio coding of frequency in 50Hz～20KHz scope in the radio broadcasting audio signal after amplification;
Described MCU specifically is used for:
When in determining the external sound that MIC gathers, described multi-frequency audio coding being arranged, determine that the interior personnel of the scope of listening to are in the radio broadcasting audio signal of listening to the transmission of FM transmitter module.
Among the embodiment, described MCU also is used for:
During sound that the radio broadcasting audio signal that does not send with the FM transmitter module is complementary, determine that outer sound do not have playback in determining the external sound that MIC gathers.
Among the embodiment, described MCU also is used for:
Determine the frequency of the radio broadcasting audio signal that the FM transmitter module sends;
Described radio broadcasting audience rating Acquisition Instrument also comprises:
Real-time timepiece chip RTC is used for providing real-time clock;
Flash memory FLASH, be connected with RTC with MCU respectively, be used for the sign of the personnel in the scope of listening to that store M CU determines and the frequency of the radio broadcasting audio signal that the FM transmitter module sends, and the FM transmitter module that provides of RTC sends the time of radio broadcasting audio signal;
Mobile communication module is connected with FLASH with RTC respectively, is used for after the timing that RTC sets arrives, and personnel's sign, frequency and time that FLASH is stored are sent to server end.
The radio broadcasting audience rating Acquisition Instrument of the utility model embodiment can improve precision that the radio broadcasting audience rating gathers and ageing, and satisfying the market is to objective, science, audience rating demand data accurately.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.In the accompanying drawings:
Fig. 1 is the structural representation of the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment;
Fig. 2 is the implementation schematic diagram of the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment;
Fig. 3 is the method flow diagram that the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment gathers the radio broadcasting audience rating.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further details.At this, the utility model be used for is explained in illustrative examples of the present utility model and explanation thereof, but not as to restriction of the present utility model.
Fig. 1 is the structural representation of the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment.As shown in Figure 1, the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment can comprise:
2.4G module 101 is used for the personal identification card signal in the scope of listening to;
MCU(Micro Control Unit, micro-control unit) 102, be connected with 2.4G module 101, be used for the personal identification card signal according to 101 receptions of 2.4G module, determine the personnel in the scope of listening to;
Operation-interface 103 is connected with MCU102, is used for listening to operational order and will listen to operational order and offering MCU102 of reception staff;
Loudspeaker 105 are connected with MCU102, for the radio broadcasting audio signal after obtaining to amplify from MCU102, the radio broadcasting audio signal amplified, and, the radio broadcasting audio signal after amplifying is offered MCU102;
FM(Frequency Modulation, frequency modulation) transmitter module 106, be connected with MCU102, the radio broadcasting audio signal for after obtaining to amplify from MCU102 sends the radio broadcasting audio signal after amplifying;
MIC(Microphone, microphone) 107, be connected with MCU102, be used for gathering external sound, the external sound that gathers is offered MCU102;
Described MCU102 also be used for to determine the sound whether external sound that MIC107 gathers has the radio broadcasting audio signal that sends with FM transmitter module 106 to be complementary, if having then determine to listen to the radio broadcasting audio signal that the personnel in the scope are listening to FM transmitter module 106 and send.The radio broadcasting audience rating Acquisition Instrument of the utility model embodiment shown in Figure 1 can also comprise the liquid crystal display screen 108 that is connected with MCU12, liquid crystal display screen 108 can be used for show the data relevant with the gatherer process of radio broadcasting audience rating Acquisition Instrument and/or collection result, and displaying contents can comprise literal, numeral, graph image etc.
During implementation, measure for the personnel's of realizing identity, each sample family personnel can send out an identity disc, and namely the personal identification card uses 2.4G communication.The personal identification card can not stop outside transmitted signal, if just can think in listening to scope near radio broadcasting audience rating Acquisition Instrument.During enforcement, personnel carry identification card near radio broadcasting audience rating Acquisition Instrument, and the signal that 2.4G module 101 reception staff's identification cards of radio broadcasting audience rating Acquisition Instrument send, MCU102 be by identification, can learn be who nearby.
During implementation, described FM transmitter module 106 specifically can be used for:
Send behind the audio coding of adding setpoint frequency in the radio broadcasting audio signal after amplification;
Described MCU102 specifically can be used for:
When in determining the external sound that MIC107 gathers, the audio coding of described setpoint frequency being arranged, determine that the interior personnel of the scope of listening to are in the radio broadcasting audio signal of listening to 106 transmissions of FM transmitter module.
During implementation, the audio coding of described setpoint frequency can be set its frequency according to actual needs, the multi-frequency audio coding of frequency in 50Hz～20KHz scope for example, those skilled in the art also can be set as the audio coding of other frequency according to actual needs certainly.Take the audio coding of described setpoint frequency as the multi-frequency audio coding of frequency in 50Hz～20KHz scope as example, can add the multi-frequency audio coding of frequency in 50Hz～20KHz scope in the radio broadcasting audio signal that FM transmitter module 106 sends, namely there is at one time the multi-frequency audio frequency to export simultaneously, rather than only has the audio frequency of a Frequency point.Gather external sound by MIC107, if in the external sound that MCU102 discovery MIC107 collects described multi-frequency audio coding is arranged, just think personnel in the scope of listening in the audio signal of listening the FM of institute transmitter module 106 to send, described FM transmitter module 106 when namely implementing specifically can be used for:
Send after adding the multi-frequency audio coding of frequency in 50Hz～20KHz scope in the radio broadcasting audio signal after amplification;
Described MCU102 specifically can be used for:
When in determining the external sound that MIC107 gathers, described multi-frequency audio coding being arranged, determine that the interior personnel of the scope of listening to are in the radio broadcasting audio signal of listening to 106 transmissions of FM transmitter module.
During implementation, described MCU102 can also be used for:
During sound that the radio broadcasting audio signal that does not send with FM transmitter module 106 is complementary, determine that outer sound do not have playback in determining the external sound that MIC107 gathers.
During implementation, in order to realize uploading in real time of radio broadcasting audience rating image data, described MCU102 can also be used for:
Determine the frequency of the radio broadcasting audio signal that FM transmitter module 106 sends;
The radio broadcasting audience rating Acquisition Instrument of the utility model embodiment can also comprise:
RTC(Real-Time Clock, real-time timepiece chip), be used for providing real-time clock;
The FLASH(flash memory), be connected with RTC with MCU102 respectively, be used for the sign of the personnel in the scope of listening to that store M CU102 determines and the frequency of the radio broadcasting audio signal that FM transmitter module 106 sends, and the FM transmitter module 106 that provides of RTC sends the time of radio broadcasting audio signals;
Mobile communication module is connected with FLASH with RTC respectively, is used for after the timing that RTC sets arrives, and personnel's sign, frequency and time that FLASH is stored are sent to server end.
By setting the timing of RTC, can realize uploading in real time of radio broadcasting audience rating image data, upload the interval and can be no more than 1 minute, receive listening to the operational order of personnel from operation-interface 103, can in 10 minutes, obtain real-time radio broadcasting audience rating data.
During enforcement, personnel carry identification card near radio broadcasting audience rating Acquisition Instrument, and 2.4G module 101 reception staff's identification card signals of radio broadcasting audience rating Acquisition Instrument, MCU102 are by identification, can learn be who nearby.Personnel send by operation-interface 103 operations and listen to operational order, transfer platform.MCU102 can learn listen frequency of radio station, add the listening period that RTC provides, deposit FLASH in, after waiting for 1 minute and being timed to, the personnel's of listening to sign, the frequency of radio station of listening to and listening period can be sent to server end by mobile communication module.During enforcement, operation-interface 103 can be button, and personnel can transfer platform by button, and 103 also can be the operation-interface of other forms such as touch-screen in the operation-interface.
The radio broadcasting audience rating Acquisition Instrument of the utility model embodiment can portable, vehicle-mounted, family expenses, and for example radio broadcasting audience rating Acquisition Instrument can be connected to other stereo set (comprising vehicle audio) by FM transmitter module 103.Under vehicle-mounted or domestic environment, broadcast receiver or home audio receive the radio broadcasting audio signal of FM transmitter module 106 transmissions and amplify output on the available car, and can judge whether output is identical with the radio broadcasting audio signal frequency that FM transmitter module 106 sends.
By above-described embodiment as can be known, the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment can gather the broadcast receiver frequency, and the collector enters the scope of listening to, and also has inner real-time clock.During enforcement, the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment, can also do the broadcasting of clock and clock, be USB(Universal Serial BUS, USB) charger is listened to FM/AM(Amplitude Modulation, amplitude modulation) full frequency band, can store the quick radio station of setting quantity, for example store 6 quick radio station; Can also adopt touch key-press, the raising personnel's can be handling.
During implementation, MCU102 can use the STM32F103VE of ST company, can be 512K FLASH 64KRAM(random access memory, random asccess memory), can have AD(Analog-Digital, analog-to-digital conversion), DA(Digital-Analog, analog-to-digital conversion) function.Radio reception module 104 can be used the Si4730 chip of Silicon company, can realize the radio reception of FM/AM full frequency band.FM transmitter module 106 can use the QN8027 of Quintic company, realizes the stereo transmission of FM full frequency band.FLASH can use 4MB data FLASH.Operation-interface 103 can use the Display by LCD(Liquid Crystal, liquid crystal display) touch-screen that provides, for example 84*48 lattice lcd.The radio broadcasting audience rating Acquisition Instrument of the utility model embodiment also can use external power source and lithium battery power supply, or vehicle-mounted.
Fig. 2 is the implementation schematic diagram of the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment.Can be seen by Fig. 2, the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment can receive the broadcast singal in FM/AM broadcasting station, can provide micropower FM to transmit to vehicle audio, domestic acoustics, can monitor external audio, can carry out the 2.4G data communication with the identification card that the tested personnel carries, can carry out mobile network communication with the mobile communication base station, by network with the radio broadcasting audience rating data upload that collects to the data receiver server.
Fig. 3 is the method flow diagram that the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment gathers the radio broadcasting audience rating.As shown in Figure 3, the method flow of the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment collection radio broadcasting audience rating can comprise:
In step 308, the external sound that determine to gather whether the sound that is complementary with the radio broadcasting audio signal that sends is arranged, if having then the personnel that determine to listen in the scope are listening to the radio broadcasting audio signal of transmission.
During implementation, the radio broadcasting audio signal after will amplifying described in the step 306 sends, and can comprise:
Send behind the audio coding of adding setpoint frequency in the radio broadcasting audio signal after amplification;
Whether the sound that is complementary with the radio broadcasting audio signal that sends is arranged in the external sound that determine to gather described in the step 308, if having then the personnel that determine to listen in the scope are listening to the radio broadcasting audio signal of transmission, can comprise:
When in determining the external sound that gathers, the audio coding of described setpoint frequency being arranged, determine that the personnel in the scope of listening to are listening to the radio broadcasting audio signal of transmission.
During implementation, send behind the audio coding of adding setpoint frequency in the described radio broadcasting audio signal after amplification, comprising:
Send after adding the multi-frequency audio coding of frequency in 50Hz～20KHz scope in the radio broadcasting audio signal after amplification;
When in the described external sound determining collection the audio coding of described setpoint frequency being arranged, determine that the personnel in the scope of listening to are listening to the radio broadcasting audio signal of transmission, comprising:
When in determining the external sound that gathers, described multi-frequency audio coding being arranged, determine that the personnel in the scope of listening to are listening to the radio broadcasting audio signal of transmission.
During implementation, described radio broadcasting audience rating acquisition method can also comprise:
During the sound that in the external sound that determine to gather, is not complementary with the radio broadcasting audio signal that sends, determine that outer sound do not have playback.
During implementation, described radio broadcasting audience rating acquisition method can also comprise:
Determine the frequency of the radio broadcasting audio signal of transmission;
The frequency of the sign of the personnel in the scope of listening to that storage is determined and the radio broadcasting audio signal of transmission, and the time that sends the radio broadcasting audio signal;
After the timing of setting arrives, personnel's sign, frequency and the time of storing is sent to server end.
In sum, the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment can improve precision that the radio broadcasting audience rating gathers and ageing, and satisfying the market is to objective, science, audience rating demand data accurately.
The radio broadcasting audience rating Acquisition Instrument of the utility model embodiment and radio broadcasting audience rating acquisition method, except being used for measuring audience rating, can take into account simultaneously and measure the coverage rate of listening to, a certain broadcasting is landed in the somewhere, the radio station, unit of operation, the advertiser knows about this broadcasting in the demand of the coverage condition in somewhere, the radio broadcasting audience rating Acquisition Instrument of the utility model embodiment and radio broadcasting audience rating acquisition method, can abovely send out the signal quality situation that listen in the somewhere, listen to frequency and obtain current geographic position by the mobile communication base station, reach and measure the function of listening to coverage rate.
Those skilled in the art should understand that embodiment of the present utility model can be provided as method, system or computer program.Therefore, the utility model can adopt complete hardware implementation example, complete implement software example or in conjunction with the form of the embodiment of software and hardware aspect.And the utility model can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The utility model is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the utility model embodiment.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device producing a machine, so that the instruction of carrying out by the processor of computer or other programmable data processing device produces the device of the function that is used for being implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, so that the instruction that is stored in this computer-readable memory produces the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, so that carry out the sequence of operations step producing computer implemented processing at computer or other programmable devices, thereby be provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction that computer or other programmable devices are carried out.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. a radio broadcasting audience rating Acquisition Instrument is characterized in that, comprising:
2.4G module is used for the personal identification card signal in the scope of listening to;
Micro-control unit MCU is connected with the 2.4G module, is used for the personal identification card signal according to the reception of 2.4G module, determines the personnel in the scope of listening to;
Operation-interface is connected with MCU, is used for listening to operational order and will listen to operational order and offering MCU of reception staff;
The radio reception module is connected with MCU, is used for receiving the radio broadcasting audio signal according to the operational order of listening to that obtains from MCU, and the radio broadcasting audio signal is offered MCU;
Loudspeaker are connected with MCU, are used for obtaining the radio broadcasting audio signal from MCU, and the radio broadcasting audio signal is amplified, and the radio broadcasting audio signal after amplifying is offered MCU;
The modulating FM transmitter module is connected with MCU, and the radio broadcasting audio signal for after obtaining to amplify from MCU sends the radio broadcasting audio signal after amplifying;
Microphone MIC is connected with MCU, is used for gathering external sound, and the external sound that gathers is offered MCU;
Described MCU also be used for to determine the sound whether external sound that MIC gathers has the radio broadcasting audio signal that sends with the FM transmitter module to be complementary, if having then determine to listen to the radio broadcasting audio signal that the personnel in the scope are listening to the FM transmitter module and send.
2. radio broadcasting audience rating Acquisition Instrument as claimed in claim 1 is characterized in that, described FM transmitter module specifically is used for:
Send behind the audio coding of adding setpoint frequency in the radio broadcasting audio signal after amplification;
Described MCU specifically is used for:
When in determining the external sound that MIC gathers, the audio coding of described setpoint frequency being arranged, determine that the interior personnel of the scope of listening to are in the radio broadcasting audio signal of listening to the transmission of FM transmitter module.
3. radio broadcasting audience rating Acquisition Instrument as claimed in claim 2 is characterized in that, described FM transmitter module specifically is used for:
Send after adding the multi-frequency audio coding of frequency in 50Hz～20KHz scope in the radio broadcasting audio signal after amplification;
Described MCU specifically is used for:
When in determining the external sound that MIC gathers, described multi-frequency audio coding being arranged, determine that the interior personnel of the scope of listening to are in the radio broadcasting audio signal of listening to the transmission of FM transmitter module.
4. radio broadcasting audience rating Acquisition Instrument as claimed in claim 1 is characterized in that described MCU also is used for:
During sound that the radio broadcasting audio signal that does not send with the FM transmitter module is complementary, determine that outer sound do not have playback in determining the external sound that MIC gathers.
5. such as each described radio broadcasting audience rating Acquisition Instrument of claim 1 to 4, it is characterized in that described MCU also is used for:
Determine the frequency of the radio broadcasting audio signal that the FM transmitter module sends;
Described radio broadcasting audience rating Acquisition Instrument also comprises:
Real-time timepiece chip RTC is used for providing real-time clock;
Flash memory FLASH, be connected with RTC with MCU respectively, be used for the sign of the personnel in the scope of listening to that store M CU determines and the frequency of the radio broadcasting audio signal that the FM transmitter module sends, and the FM transmitter module that provides of RTC sends the time of radio broadcasting audio signal;
Mobile communication module is connected with FLASH with RTC respectively, is used for after the timing that RTC sets arrives, and personnel's sign, frequency and time that FLASH is stored are sent to server end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127599 CN203261344U (en) | 2013-03-20 | 2013-03-20 | Wireless broadcast listening rate acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127599 CN203261344U (en) | 2013-03-20 | 2013-03-20 | Wireless broadcast listening rate acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261344U true CN203261344U (en) | 2013-10-30 |
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ID=49473874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127599 Expired - Lifetime CN203261344U (en) | 2013-03-20 | 2013-03-20 | Wireless broadcast listening rate acquisition instrument |
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| Country | Link |
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| CN (1) | CN203261344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656585A (en) * | 2016-02-18 | 2016-06-08 | 尼尔森网联媒介数据服务有限公司 | Device and method for detecting listening frequency of broadcasts |
-
2013
- 2013-03-20 CN CN 201320127599 patent/CN203261344U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656585A (en) * | 2016-02-18 | 2016-06-08 | 尼尔森网联媒介数据服务有限公司 | Device and method for detecting listening frequency of broadcasts |
| CN105656585B (en) * | 2016-02-18 | 2019-02-26 | 尼尔森网联媒介数据服务有限公司 | Broadcast audience frequency sonding device and method |
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