CN1722785A - Blue tooth wireless audio output device for digital broadcasting receiver and method thereof - Google Patents
Blue tooth wireless audio output device for digital broadcasting receiver and method thereof Download PDFInfo
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- CN1722785A CN1722785A CN 200410052738 CN200410052738A CN1722785A CN 1722785 A CN1722785 A CN 1722785A CN 200410052738 CN200410052738 CN 200410052738 CN 200410052738 A CN200410052738 A CN 200410052738A CN 1722785 A CN1722785 A CN 1722785A
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Abstract
This invention relates to a Blue Tooth wireless acoustic frequency output device of digital radio receiver, in addition to a method, characterized in that it sets Blue Tooth module in the digital broadcasting receiver, connecting with several Blue Tooth headphone around; distributing customs separately, then output the digital broadcasting acoustic frequency data to the Blue Tooth headphone which has been distributed custom. The invention applies the against electric wave interference and the Blue Tooth near-range wireless communication technique, making the user listen to digital broadcast through the Blue Tooth headphone.
Description
(1) technical field
The invention relates to digital broadcast receiver blue teeth wireless audio output device and method, is by being arranged on bluetooth module (Bluetooth module) in the digital broadcast receiver to a kind of digital broadcast receiver blue teeth wireless audio output device and the method for most the digital broadcast audios of the wireless outputs of bluetooth headset (Bluetooth Headset) of periphery.
(2) background technology
Comprise digital satellite broadcasting, digital cablecast and the broadcasting of digital ground ripple etc. in the general number broadcasting.As shown in Figure 1, the digital audio signal reception devices such as set-top box (STB) that can receive digital satellite broadcast signal (DBS) mainly are made up of parts such as tuner 10, TS filter 11, Video Decoder 12, audio decoder 13, AC3 codec 14, PCM codec 15, microprocessor 16 and memories 17.
Above-mentioned microprocessor 16 can be according to user's requirement (passing through operation keys), and the work of controlling above-mentioned tuner 10 receives the signal of any one digital broadcasting frequency; The digital broadcast signal that receives by above-mentioned tuner 10 transmits with the form of MPEG transmission stream TS (Transport Stream).
Next, above-mentioned TS filter 11 separates with voice data the video data in the MPEG transmitting data stream with reference to packet banner PID (Packet ID), video data after the separation outputs in the Video Decoder 12, and voice data then outputs in the audio decoder 13.
Be the voice data of Doby (Dolby) AC3 codec form by AC3 codec 14 signal processing or be PCM (Pulse CodeModulation) voice data by audio decoder 13 decoded voice datas by PCM codec 15 signal processing.The process said process is outputed in the wired headphone (Wire Headset) that links to each other with digital broadcast receiver or by sound equipment equipment such as (Speaker) by the voice data of signal processing outwards to be exported.
Put into effect the wireless technical scheme of listening to digital broadcast audio recently with WLAN (wireless local area network) WLAN (Wireless LAN),
But this The Application of Technology remains in a lot of problems, for example, and when utilizing the WLAN (wireless local area network) of 2.4GHz frequency, because the wave interference and the 2.4GHz of WLAN (wireless local area network) near other electronic products such as microwave oven in the frequency range critical failure may take place.
And WLAN (wireless local area network) can be distributed 13 communication channels, but between these channels strong interference takes place, so can't listen to 3 above channels simultaneously, in order more effectively to solve above-mentioned these problems, must put into effect brand-new correlation technique.
(3) summary of the invention
Purpose of the present invention will solve above-mentioned the problems of the prior art exactly, propose a kind ofly in machine cap digital broadcast receivers such as (STB), bluetooth module to be set, link to each other with most bluetooth headset of periphery by above-mentioned bluetooth module, and distribute client identity, the digital broadcast receiver blue teeth wireless audio output device and the method for having distributed the digital audio data broadcasting of the wireless output of bluetooth headset of client identity then to those separately.
In order to achieve the above object, digital broadcast receiver blue teeth wireless audio output device of the present invention will comprise following content: audio decoder, the audio decoding apparatus of the digital broadcast signal voice data that the decoding digital broadcast receiver receives; Codec is treated to the decoded voiceband data signal of described audio decoder in the audio signal data device of pcm audio data; Bluetooth module has carried out the audio conversion that signal processing crosses with described codec and has become the bluetooth form, and the wireless Bluetooth communication device that outputs to most bluetooth headset that are assigned the particular customer identity; Microprocessor, by with being connected of described bluetooth module, decoded audio signal selectivity is outputed to the control device that described codec carries out Audio Signal Processing.
In addition, the digital broadcast receiver blue teeth wireless audio-frequency inputting method of using this invention also will comprise following step content: the 1st step is treated to pcm audio data or AC3 voice data with the voiceband data signal of digital broadcast signal; The 2nd step has been carried out the audio conversion that signal processing crosses and has been become the bluetooth form above-mentioned; The 3rd step is with above-mentioned wireless most the bluetooth headset that are assigned the particular customer identity that output to of voice data that have been converted to the bluetooth form.
Effect of the present invention:
This is the invention about digital broadcast receiver blue teeth wireless audio output device and method, the present invention is provided with bluetooth module in machine cap digital broadcast receivers such as (STB), link to each other with most bluetooth headset of periphery by above-mentioned bluetooth module, and distribute client identity separately, distributed the digital audio data broadcasting of the wireless output of bluetooth headset of client identity then to those.Used anti-wave interference and the confidentiality bluetooth the short distance wireless communication technology higher among the present invention, made the user can wirelessly easily listen to digital broadcast audio with bluetooth headset than wireless lan (wlan).
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
What Fig. 1 indicated is that common digital broadcast receiver constitutes.
What Fig. 2 indicated is that the digital broadcast receiver of using blue teeth wireless audio output device of the present invention constitutes.
What Fig. 3 indicated is the workflow diagram of using digital broadcast receiver blue teeth wireless audio-frequency inputting method of the present invention.
The symbol description of major part in the accompanying drawing:
10,20: module 11,21:TS filter
12,22: Video Decoder 13,23: audio decoder
14, the 24:AC3 codec
15, the 25:PCM codec
16,26: microprocessor 17,27: memory
28: bluetooth module 30
1-30
K: bluetooth headset
(5) embodiment
The embodiment of logarithmic code broadcasting receiver blue teeth wireless audio output device and method is described in detail with reference to the accompanying drawings.
What Fig. 2 indicated is that the digital broadcast receiver of using blue teeth wireless audio output device of the present invention constitutes.For example machine cap digital broadcast receivers such as (STB) 200 is made up of parts such as tuner 20, TS filter 21, Video Decoder 22, audio decoder 23, AC3 codec 24, PCM codec 25, microprocessor 26 and memories 27, has also set up the bluetooth module 28 of the digital broadcast audio of the energy wireless output of enough bluetooth close range communication techniques in addition.
On the other hand, above-mentioned bluetooth module 28 is as shown in Figure 2 to the individual bluetooth headset 30 of the majority of periphery
1-30
KTake turns to detect (Polling); If any one bluetooth headset is sent when connecting the Connection request,, and begin to carry out related work as main frame (Master) just to the specific client identity of relevant bluetooth headset distribution.Then, above-mentioned microprocessor 26 can be according to user's requirement, and the work of controlling above-mentioned tuner 20 receives the signal of any one digital broadcasting channel; Optionally output in PCM codec 25 or the AC3 codec 24 by the digital audio data broadcasting that will have been decoded by audio decoder 23 to the control of voice data output channel simultaneously.
When bluetooth module 28 receives the pcm audio data crossed by PCM codec 25 signal processing or during the AC3 voice data crossed by AC3 codec 24 signal processing, just these pcm audio data or AC3 voice data are converted to the bluetooth form, and to the bluetooth headset 30 that respectively is assigned the particular customer identity
1... 30
kWireless outputting audio data.
Used anti-wave interference and the confidentiality bluetooth the short distance wireless communication technology higher among the present invention, made the user can wirelessly easily listen to digital broadcast audio with bluetooth headset than wireless lan (wlan); Below this is described in detail.
What Fig. 3 indicated is the workflow diagram of using digital broadcast receiver blue teeth wireless audio-frequency inputting method of the present invention.As noted earlier, above-mentioned microprocessor 26 can be controlled the work of above-mentioned tuner 20, and receive the signal of any one digital broadcasting frequency according to user's requirement (passing through key operation); The digital broadcast signal that receives by above-mentioned digital broadcasting channel is with in the MPEG transmission stream TS (Transport Stream), and voice data is decoded as original voice data by audio decoder 23 again by TS filter 21 after separatings.
Describe the workflow (simultaneously referring to Fig. 2) of digital broadcast receiver blue teeth wireless audio-frequency inputting method of the present invention below in detail.
S10, the bluetooth headset 30 of 28 pairs of peripheral on power supplys of above-mentioned bluetooth module
1-30
KRegularly take turns to detect (Polling).connection
S11 confirms with this whether these bluetooth headset send connection request.
S12, does judging have connection request in the affirmation process?
S13, if receive the connection request of bluetooth headset in the affirmation process, above-mentioned bluetooth module 28 distributes particular customer identity (Client ID) to relevant bluetooth headset, and being connected of approval and this bluetooth headset; Then, oneself is then as main frame Master) work of being correlated with.
S14, under the effect of microprocessor 26, the voice data of audio decoder 23 outputs optionally outputs to again in PCM codec 25 or the AC3 Audio Codec 24;
S15, then, pcm audio data of being crossed by PCM codec 25 signal processing or the voice data that is converted to the bluetooth form by the AC3 voice data that AC3 codec 24 signal processing are crossed, and wireless outputing in most the bluetooth headset that are assigned the particular customer identity, flow process finishes.
S16, on the other hand, in above-mentioned flow process S11 and S12, the bluetooth headset 30 of 28 pairs of peripheral on power supplys of above-mentioned bluetooth module
1-30
KRegularly take turns to detect, confirm with this whether these bluetooth headset send connection request, if when not having connection request, the voice data that microprocessor 26 is exported audio decoder 23 by generality work outputs in AC3 codec 24 or the PCM codec 25 and carries out signal processing.
S17, then, the voice data of being crossed by above-mentioned AC3 codec or PCM codec signal processing outputs to the outside by wired headphone or the sound equipment that links to each other with digital broadcast receiver with wired form, and flow process finishes.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (5)
1, a kind of digital broadcast receiver blue teeth wireless audio output device is characterized in that comprising:
Audio decoder, the audio decoding apparatus of the digital broadcast signal voice data that the decoding digital broadcast receiver receives;
Codec is treated to the decoded voiceband data signal of described audio decoder in the audio signal data device of pcm audio data;
Bluetooth module has carried out the audio conversion that signal processing crosses with described codec and has become the bluetooth form, and the wireless Bluetooth communication device that outputs to most bluetooth headset that are assigned the particular customer identity;
Microprocessor, by with being connected of described bluetooth module, decoded audio signal selectivity is outputed to the control device that described codec carries out Audio Signal Processing.
2, digital broadcast receiver blue teeth wireless audio output device as claimed in claim 1 is characterized in that:
Described codec is to comprise pcm audio codec or AC3 Audio Codec.
3, digital broadcast receiver blue teeth wireless audio output device as claimed in claim 1 is characterized in that:
Described Bluetooth communication device regularly takes turns to detect to most bluetooth headset of periphery, if detect the connection request from bluetooth headset, just distributes specific client identity to relevant bluetooth headset.
4, a kind of digital broadcast receiver blue teeth wireless audio-frequency inputting method is characterized in that comprising:
The 1st step is treated to pcm audio data or AC3 voice data with the voiceband data signal of digital broadcast signal;
The 2nd step has been carried out the audio conversion that signal processing crosses and has been become the bluetooth form above-mentioned;
The 3rd step is with above-mentioned wireless most the bluetooth headset that are assigned the particular customer identity that output to of voice data that have been converted to the bluetooth form.
5, digital broadcast receiver blue teeth wireless audio-frequency inputting method as claimed in claim 4 is characterized in that:
Above-mentioned most blue pressure heads to periphery are worn earphone and are regularly taken turns to detect, if detect the connection request from bluetooth headset, just distribute specific client identity to relevant bluetooth headset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410052738 CN1722785A (en) | 2004-07-12 | 2004-07-12 | Blue tooth wireless audio output device for digital broadcasting receiver and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410052738 CN1722785A (en) | 2004-07-12 | 2004-07-12 | Blue tooth wireless audio output device for digital broadcasting receiver and method thereof |
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| CN1722785A true CN1722785A (en) | 2006-01-18 |
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| CN 200410052738 Pending CN1722785A (en) | 2004-07-12 | 2004-07-12 | Blue tooth wireless audio output device for digital broadcasting receiver and method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011054228A1 (en) * | 2009-11-04 | 2011-05-12 | 中兴通讯股份有限公司 | Frequency modulation playing method, apparatus and terminal |
| WO2011069376A1 (en) * | 2009-12-11 | 2011-06-16 | 中兴通讯股份有限公司 | Method and mobile terminal for playing audio |
| US8289159B2 (en) | 2006-04-26 | 2012-10-16 | Qualcomm Incorporated | Wireless localization apparatus and method |
| US8406794B2 (en) | 2006-04-26 | 2013-03-26 | Qualcomm Incorporated | Methods and apparatuses of initiating communication in wireless networks |
| CN101422016B (en) * | 2006-04-18 | 2013-08-21 | 高通股份有限公司 | Waveform encoding for wireless applications |
| US8600373B2 (en) | 2006-04-26 | 2013-12-03 | Qualcomm Incorporated | Dynamic distribution of device functionality and resource management |
| US8644396B2 (en) | 2006-04-18 | 2014-02-04 | Qualcomm Incorporated | Waveform encoding for wireless applications |
| CN113490038A (en) * | 2021-06-30 | 2021-10-08 | 杭州国芯科技股份有限公司 | Method and system for outputting set top box audio to Bluetooth headset |
-
2004
- 2004-07-12 CN CN 200410052738 patent/CN1722785A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101422016B (en) * | 2006-04-18 | 2013-08-21 | 高通股份有限公司 | Waveform encoding for wireless applications |
| US8644396B2 (en) | 2006-04-18 | 2014-02-04 | Qualcomm Incorporated | Waveform encoding for wireless applications |
| US8654868B2 (en) | 2006-04-18 | 2014-02-18 | Qualcomm Incorporated | Offloaded processing for wireless applications |
| US8289159B2 (en) | 2006-04-26 | 2012-10-16 | Qualcomm Incorporated | Wireless localization apparatus and method |
| US8406794B2 (en) | 2006-04-26 | 2013-03-26 | Qualcomm Incorporated | Methods and apparatuses of initiating communication in wireless networks |
| US8600373B2 (en) | 2006-04-26 | 2013-12-03 | Qualcomm Incorporated | Dynamic distribution of device functionality and resource management |
| WO2011054228A1 (en) * | 2009-11-04 | 2011-05-12 | 中兴通讯股份有限公司 | Frequency modulation playing method, apparatus and terminal |
| WO2011069376A1 (en) * | 2009-12-11 | 2011-06-16 | 中兴通讯股份有限公司 | Method and mobile terminal for playing audio |
| CN102097115B (en) * | 2009-12-11 | 2012-09-05 | 中兴通讯股份有限公司 | Audio frequency playing method and mobile terminal |
| CN113490038A (en) * | 2021-06-30 | 2021-10-08 | 杭州国芯科技股份有限公司 | Method and system for outputting set top box audio to Bluetooth headset |
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