CN201741277U - Voice chat remote controller - Google Patents
Voice chat remote controller Download PDFInfo
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- CN201741277U CN201741277U CN2010202435861U CN201020243586U CN201741277U CN 201741277 U CN201741277 U CN 201741277U CN 2010202435861 U CN2010202435861 U CN 2010202435861U CN 201020243586 U CN201020243586 U CN 201020243586U CN 201741277 U CN201741277 U CN 201741277U
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Abstract
The utility model discloses a voice chat remote controller. The remote controller comprises a keyboard scanning microprogrammed control unit (MCU), an infrared transmitting module, a key module, an audio signal processing module, a sound pick-up, a sound player, a radio frequency transceiver, a voice control key module and an antenna, wherein the infrared transmitting module and the key module are connected with the keyboard scanning MCU; the sound pick-up and the sound player are connected with the audio signal processing module; the voice control key module and the antenna are connected with the radio frequency transceiver; the keyboard scanning MCU is connected with the radio frequency transceiver; the audio signal processing module is connected with the radio frequency transceiver; a quartz crystal oscillator is arranged outside the keyboard scanning MCU; and an electrically erasable memory electrically erasable programmable read-only memory (EEPROM), a light emitting diode (LED) indicator lamp and a quartz crystal oscillator are arranged outside the radio frequency transceiver. The remote controller can realize audio and video instant messaging with remote relatives and friends through equipment capable of surfing the internet such as a big-screen television or a personal computer (PC) and the like, so that the problem that a precise computer network system needs to be established for realizing the instant messaging in the prior art is solved.
Description
Technical field
The utility model relates to the wireless remote control technology field, particularly relates to a kind of voice-enabled chat telepilot.
Background technology
In a lot of science fiction movies the inside; we see that through regular meeting the leading role is in the inside, a space shuttle cabin; see through a giant-screen and outer celestial body companion talk; usually the personage in the film need use the very accurate computer network system of a cover to realize such audio frequency instant communication function of looking, and its weak point is that the equipment that adopts is not only expensive but also complicated.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of voice-enabled chat telepilot is provided, can realize looking the voice-enabled chat of audio frequency instant messaging by the equipment that large screen television/PC etc. can surf the Net with the relatives and friends in a distant place, having solved needs in the prior art to set up the problem that the very accurate computer network system of a cover could be realized, has cost characteristics low, easy to use.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of voice-enabled chat telepilot comprises:
One infrared transmission module is used for launching infrared signal;
One key-press module is used for importing the trigger pip of button;
One keyboard scan MCU is used for controlling infrared coding emission, carrier modulation, key scan control and according to the corresponding control signal of analysis output to input signal;
One energy supply control module is used for to power supply output enforcement control;
One audio-frequency signal processing module is used for audio signal;
One acoustic pickup is used for receiving voice signal;
One broadcaster is used for the signal that plays sound;
One radio-frequency (RF) transceiver is used for realizing the wireless transmission of voice signal;
One voice control key-press module is used for triggering phonetic function;
One antenna is used for realizing that signal transmits and receives;
The output of key-press module is connected to keyboard scan MCU, and key-press module is to the trigger pip of keyboard scan MCU output key; The output of keyboard scan MCU is connected to the input of infrared transmission module, and keyboard scan MCU exports infrared encoded signal to infrared transmission module; The output of acoustic pickup is connected to the input of audio-frequency signal processing module, and audio-frequency signal processing module carries out analog-to-digital conversion process to the signal of acoustic pickup; The input of broadcaster is connected to the output of audio-frequency signal processing module, and the sound signal of audio-frequency signal processing module after with digital-to-analog conversion is defeated by broadcaster and play; Audio-frequency signal processing module is connected with radio-frequency (RF) transceiver, and the microphone signal after audio-frequency signal processing module is handled modulus carries out being transferred to radio-frequency (RF) transceiver after the encoding process, and the sound signal that receives from radio-frequency (RF) transceiver is carried out decoding processing; Radio-frequency (RF) transceiver is connected with antenna, and radio-frequency (RF) transceiver is by antenna emission or received RF signal; Energy supply control module is connected with radio-frequency (RF) transceiver; The output of voice control key-press module is connected to radio-frequency (RF) transceiver, and voice control key-press module is to the trigger pip of radio-frequency (RF) transceiver output voice control button; Keyboard scan MCU is connected with radio-frequency (RF) transceiver.
Described voice-enabled chat telepilot also comprises electricity erasable memorizer EEPROM, LED light and quartz oscillator; Electricity erasable memorizer EEPROM is connected with radio-frequency (RF) transceiver, and the input of LED light connects the output of radio-frequency (RF) transceiver; A quartz oscillator is used for being connected with keyboard scan MCU, and another quartz oscillator is used for being connected with radio-frequency (RF) transceiver.
Described keyboard scan MCU is that chip and the peripheral circuit element of SC73P1601SSOP20 constitutes by model, be used for controlling the control of infrared coding emission, carrier modulation and key scan, provide control signal, the input of RF SOC power supply acoustic pickup MIC sensitivity adjusting, with receiving end coded signal is detected control.
Described audio-frequency signal processing module is that IC chip and the peripheral circuit element of WM8988 constitutes by model, is used to realize functions such as Audio Processing, voice enhancing, voice safety, echo cancelltion.
Described radio-frequency (RF) transceiver is that chip and the peripheral circuit element of IA2E constitutes by model, the transmission of RF signal, the control I2S communication protocol that is used for realizing voice coding realize with the communication of WM8988, by the I2C protocol interface from EEPROM download configuration information, LED deixis etc. is realized, realized to coded signal with receiving end.
Principle of work of the present utility model is as described below:
This telepilot carries out corresponding infrared light code value transmission by peripheral keyswitch when normally watching TV, the power switch that when needs use phonetic function, transmits by soft switch opens wireless speech, this moment, red led was long bright, when pressing return key and shortcut simultaneously, continue (to select this time can effectively avoid maloperation) after 3 seconds, system just enters the state to sign indicating number, and pilot lamp is changed into the redness of flicker by long bright redness.Click this moment the reception aspect to the sign indicating number button, when to after the sign indicating number success, red LED pilot lamp fast blink, and pilot lamp returns to long bright state.Do not receive reception aspect coded signal is then withdrawed from automatically to the sign indicating number state if surpass 1 minute.
After the pairing of USB receiver, speak sound by acoustic pickup MIC input, convert current signal to by acoustic pickup MIC and deliver to automatic gain control AGC again, its signal is a simulating signal, control AGC wiping out background sound and useful signal is compensated amplification automatically by automatic gain, for ADC provides high-quality input signal, by analog to digital converter ADC analog signal conversion is being become digital signal, the resolution of analog to digital converter ADC is 24bit, sample frequency is 96KHZ, signal to noise ratio (S/N ratio) is 80DB, can realize high-quality audio conversion.Be sent to RF SOC by I2S again after converting digital signal to, RF SOC downloads relevant configuration information by the I2C interface from EEPROM, realization is to register configuration information of RF emissive power, acoustic pickup MIC input sensitivity, IA2E etc., after RF SOC is provided with and finishes, send to receiving end after adding carrier (boc) modulated signals after the digital signal that transmits by I2S encoded by IA2E; Receiving end is received and is sent multimedia equipments such as TV to behind the corresponding signal and control.
The beneficial effects of the utility model are, owing to adopted infrared transmission module, key-press module, keyboard scan MCU, energy supply control module, audio-frequency signal processing module, acoustic pickup, broadcaster, radio-frequency (RF) transceiver, voice control key-press module and antenna constitute the voice-enabled chat telepilot, enough the equipment that can surf the Net by large screen television/PC etc. realizes looking with the relatives and friends in a distant place voice-enabled chat of audio frequency instant messaging, having solved needs to set up the problem that the very accurate computer network system of a cover could be realized in the prior art, it is low to have a cost, characteristics easy to use.Promptly can make full use of existing network and equipment, the resource utilization height; Can realize seeing TV again and the dual-use function of making a phone call.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of voice-enabled chat telepilot of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is a functional-block diagram of the present utility model;
Fig. 2 is the circuit diagram of keyboard scan MCU of the present utility model and peripheral circuit thereof;
Fig. 3 is the circuit diagram of audio-frequency signal processing module of the present utility model and peripheral circuit thereof;
Fig. 4 is the circuit diagram of radio-frequency (RF) transceiver of the present utility model and peripheral circuit thereof.
Embodiment
Embodiment, referring to shown in Figure 1, a kind of voice-enabled chat telepilot of the present utility model comprises:
One infrared transmission module 1 is used for launching infrared signal;
One key-press module 2 is used for importing the trigger pip of button;
One keyboard scan MCU3 is used for controlling infrared coding emission, carrier modulation, key scan control and according to the corresponding control signal of analysis output to input signal;
One energy supply control module 4 is used for to power supply output enforcement control;
One audio-frequency signal processing module 5 is used for audio signal;
One acoustic pickup 6 is used for receiving voice signal;
One broadcaster 7 is used for the signal that plays sound;
One radio-frequency (RF) transceiver 8 is used for realizing the wireless transmission of voice signal;
One voice control key-press module 9 is used for triggering phonetic function;
One antenna 10 is used for realizing that signal transmits and receives;
The output of key-press module 2 is connected to keyboard scan MCU3, and key-press module 2 is to the trigger pip of keyboard scan MCU3 output key; The output of keyboard scan MCU3 is connected to the input of infrared transmission module 1, and keyboard scan MCU3 is to infrared transmission module 1 output infrared encoded signal; The output of acoustic pickup 6 is connected to the input of audio-frequency signal processing module 5, and the signal of 5 pairs of acoustic pickups 6 of audio-frequency signal processing module carries out analog-to-digital conversion process; The input of broadcaster 7 is connected to the output of audio-frequency signal processing module 5, and audio-frequency signal processing module 5 is defeated by broadcaster 7 with the sound signal after the digital-to-analog conversion and is broadcast; Audio-frequency signal processing module 5 is connected with radio-frequency (RF) transceiver 8, and acoustic pickup 6 signals after audio-frequency signal processing module 5 is handled modulus carry out being transferred to radio-frequency (RF) transceiver 8 after the encoding process, and the sound signal that receives from radio-frequency (RF) transceiver 8 is carried out decoding processing; Radio-frequency (RF) transceiver 8 is connected with antenna 10, and radio-frequency (RF) transceiver 8 is by antenna 10 transmitting-receiving radiofrequency signals; Energy supply control module 4 is connected with radio-frequency (RF) transceiver 8; The output of voice control key-press module 9 is connected to radio-frequency (RF) transceiver 8, and voice control key-press module 9 is to the trigger pip of radio-frequency (RF) transceiver 8 output voice control buttons; Keyboard scan MCU3 is connected with radio-frequency (RF) transceiver 8.
Described voice-enabled chat telepilot also comprises electricity erasable memorizer EEPROM11, LED light 12, quartz oscillator 13 and quartz oscillator 14; Electricity erasable memorizer EEPROM11 is connected with radio-frequency (RF) transceiver 8, and the input of LED light 12 connects the output of radio-frequency (RF) transceiver 8; Quartz oscillator 13 is connected with keyboard scan MCU3, and quartz oscillator 14 is connected with radio-frequency (RF) transceiver 8.
As shown in Figure 2, described keyboard scan MCU3 is that chip and the peripheral circuit element of SC73P1601SSOP20 constitutes by model, be used for controlling the control of infrared coding emission, carrier modulation and key scan, provide control signal, the input of RF SOC power supply acoustic pickup MIC sensitivity adjusting, with receiving end coded signal is detected control.
As shown in Figure 3, described audio-frequency signal processing module 5 is that IC chip and the peripheral circuit element of WM8988 constitutes by model, is used to realize functions such as Audio Processing, voice enhancing, voice safety, echo cancelltion; The WM8988 sampling rate reaches as high as 96Ksps, and sampling rate and working method are controlled by mcu programming; Be provided with frequency overlapped-resistable filter before its inner ADC, be provided with sampling filter after the ADC; Be provided with interpolation filter before the DAC; Can be operated in single-ended or differential mode, the input and output gain programmable receives and sends and can carry out simultaneously; WM8988 is coding and the decoding IC of band CODEC, and it gathers voice signal by acoustic pickup MIC, transforms the back through AD then and carries out exchanges data by I2S and RF SOC, thereby realize the function of chat.
As shown in Figure 4, described radio-frequency (RF) transceiver 8 is that chip and the peripheral circuit element of IA2E constitutes by model, and it is a highly integrated single-chip transceiver, supports multiple interfaces, as I
2C interface is duplexing UART interface, SPI interface and USB interface entirely.The maximum available I/O mouth of this SOC (system on a chip) product is 20, is specially adapted for various drone version audio/video consumer electronics products such as home theater ANTENN AUDIO, multicell environment wireless sound box, iPod, iPhone, iPad digitalaudio, ANTENN AUDIO forwarder, wireless music equipment, musical instrument; The transmission of RF signal, the control I2S communication protocol that is used for realizing voice coding realize with the communication of WM8988, by the I2C protocol interface from EEPROM download configuration information, the LED deixis is realized, realized to coded signal with receiving end.
Principle of work of the present utility model is as described below:
This telepilot carries out corresponding infrared light code value transmission by peripheral keyswitch when normally watching TV, the power switch that when needs use phonetic function, transmits by soft switch opens wireless speech, this moment, red led was long bright, when pressing return key and shortcut simultaneously, continue (to select this time can effectively avoid maloperation) after 3 seconds, system just enters the state to sign indicating number, and pilot lamp is changed into the redness of flicker by long bright redness.Click this moment the reception aspect to the sign indicating number button, when to after the sign indicating number success, red LED pilot lamp fast blink, and pilot lamp returns to long bright state.Do not receive reception aspect coded signal is then withdrawed from automatically to the sign indicating number state if surpass 1 minute.
After the pairing of USB receiver, speak sound by acoustic pickup MIC input, convert current signal to by acoustic pickup MIC and deliver to automatic gain control AGC again, its signal is a simulating signal, control AGC wiping out background sound and useful signal is compensated amplification automatically by automatic gain, for ADC provides high-quality input signal, by analog to digital converter ADC analog signal conversion is being become digital signal, the resolution of analog to digital converter ADC is 24bit, sample frequency is 96KHZ, signal to noise ratio (S/N ratio) is 80DB, can realize high-quality audio conversion.Be sent to RF SOC by I2S again after converting digital signal to, RF SOC downloads relevant configuration information by the I2C interface from EEPROM, realization is to register configuration information of RF emissive power, acoustic pickup MIC input sensitivity, IA2E etc., after RF SOC is provided with and finishes, send to receiving end after adding carrier (boc) modulated signals after the digital signal that transmits by I2S encoded by IA2E; Receiving end is received and is sent multimedia equipments such as TV to behind the corresponding signal and control.
The main parameter of wherein some of voice-enabled chat telepilot is as follows:
Radiofrequency characteristics:
1. be operated in ISM (i.e. industry, science, the medical science) frequency range of 2.4GHz, frequency range 2406MHz～2472MHz;
2. greater than the RF data transmission rate of 2MHz;
3.GFSK digital modulation/demodulation mode;
4. transmission range is greater than 30 meters;
5. support broadcast mode;
6. the transmission anteroposterior diameter is crossed the special technique processing, guarantees that the signal that receives keeps hi-fi effect;
7. rf frequency can be beated in 34 passages, mainly be to avoid the influence of the interference of easy appearance on the 2.4GHz common frequency band to tonequality, if thereby there is interference to select new working frequency range by the saltus step of frequency, to keep the good result of use of product.
The audio quality effect:
1. support no compress mode;
2. simulation output: distortion is to greater than-60dB, and signal to noise ratio (S/N ratio) is greater than 80dB;
3. support I2S (audio frequency input and output) and 3.5mm audio interface and USB (transmitting audio frequency output);
4. support the transmission of 16bit/32/44.1/48KHz two-channel DAB;
5. support point-to-point and multiple transmission mode point-to-multipoint.
Other characteristic:
1. audio delay can program be regulated 20ms/50ms;
2. supply voltage is 2.2～3.6V;
3. need pairing to sign indicating number before using, simple application.
The simple application technical parameter:
1. operating voltage: 2.2～3.3V;
2. working current: 50mA (Max);
3. leakage current:＜3uA;
4. remote control distance:＞8 meters;
5. frequency range: 2406-2472Mhz;
6. modulation system: GFSK;
7. transmitted power :-1dBm;
8. operating temperature: 0～50 ℃;
9. Hz-KHz: 50-8KHz;
10. sampling rate: 16KHz/16bit;
11. voice transfer distance: 40m above (open field);
12. microphone receiving range: more than the 10cm.
The foregoing description only is used for further specifying a kind of voice-enabled chat telepilot of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. voice-enabled chat telepilot is characterized in that: comprising:
One infrared transmission module is used for launching infrared signal;
One key-press module is used for importing the trigger pip of button;
One keyboard scan MCU is used for controlling infrared coding emission, carrier modulation, key scan control and according to the corresponding control signal of analysis output to input signal;
One energy supply control module is used for to power supply output enforcement control;
One audio-frequency signal processing module is used for audio signal;
One acoustic pickup is used for receiving voice signal;
One broadcaster is used for the signal that plays sound;
One radio-frequency (RF) transceiver is used for realizing the wireless transmission of voice signal;
One voice control key-press module is used for triggering phonetic function;
One antenna is used for realizing that signal transmits and receives;
The output of key-press module is connected to keyboard scan MCU, and key-press module is to the trigger pip of keyboard scan MCU output key; The output of keyboard scan MCU is connected to the input of infrared transmission module, and keyboard scan MCU exports infrared encoded signal to infrared transmission module; The output of acoustic pickup is connected to the input of audio-frequency signal processing module, and audio-frequency signal processing module carries out analog-to-digital conversion process to the signal of acoustic pickup; The input of broadcaster is connected to the output of audio-frequency signal processing module, and the sound signal of audio-frequency signal processing module after with digital-to-analog conversion is defeated by broadcaster and play; Audio-frequency signal processing module is connected with radio-frequency (RF) transceiver, and the microphone signal after audio-frequency signal processing module is handled modulus carries out being transferred to radio-frequency (RF) transceiver after the encoding process, and the sound signal that receives from radio-frequency (RF) transceiver is carried out decoding processing; Radio-frequency (RF) transceiver is connected with antenna, and radio-frequency (RF) transceiver is by antenna emission or received RF signal; Energy supply control module is connected with radio-frequency (RF) transceiver; The output of voice control key-press module is connected to radio-frequency (RF) transceiver, and voice control key-press module is to the trigger pip of radio-frequency (RF) transceiver output voice control button; Keyboard scan MCU is connected with radio-frequency (RF) transceiver.
2. voice-enabled chat telepilot according to claim 1 is characterized in that: this voice-enabled chat telepilot also comprises electricity erasable memorizer EEPROM and LED light; Electricity erasable memorizer EEPROM is connected with radio-frequency (RF) transceiver, and the input of LED light is connected to the output of radio-frequency (RF) transceiver.
3. voice-enabled chat telepilot according to claim 1 is characterized in that: described keyboard scan MCU is that chip and the peripheral circuit element of SC73P1601SSOP20 constitutes by model.
4. voice-enabled chat telepilot according to claim 1 is characterized in that: described audio-frequency signal processing module is that IC chip and the peripheral circuit element of WM8988 constitutes by model.
5. voice-enabled chat telepilot according to claim 1 is characterized in that: described radio-frequency (RF) transceiver is that chip and the peripheral circuit element of IA2E constitutes by model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202435861U CN201741277U (en) | 2010-06-30 | 2010-06-30 | Voice chat remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202435861U CN201741277U (en) | 2010-06-30 | 2010-06-30 | Voice chat remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201741277U true CN201741277U (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202435861U Expired - Fee Related CN201741277U (en) | 2010-06-30 | 2010-06-30 | Voice chat remote controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201741277U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856268A (en) * | 2012-11-29 | 2014-06-11 | 无锡华润矽科微电子有限公司 | Infrared-remote-control signal-emission control circuit structure |
| CN104301399A (en) * | 2014-09-28 | 2015-01-21 | 深圳市星盘科技有限公司 | System and method for remotely controlling loudspeaker box through voice |
| CN104347072A (en) * | 2013-08-02 | 2015-02-11 | 广东美的制冷设备有限公司 | Remote-control unit control method and device and remote-control unit |
-
2010
- 2010-06-30 CN CN2010202435861U patent/CN201741277U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856268A (en) * | 2012-11-29 | 2014-06-11 | 无锡华润矽科微电子有限公司 | Infrared-remote-control signal-emission control circuit structure |
| CN103856268B (en) * | 2012-11-29 | 2016-05-11 | 无锡华润矽科微电子有限公司 | Infrared remote-controlled signal countdown circuit structure |
| CN104347072A (en) * | 2013-08-02 | 2015-02-11 | 广东美的制冷设备有限公司 | Remote-control unit control method and device and remote-control unit |
| CN104301399A (en) * | 2014-09-28 | 2015-01-21 | 深圳市星盘科技有限公司 | System and method for remotely controlling loudspeaker box through voice |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20170630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |