CN101047839A - Acoustic and image generating method in radio flow media system - Google Patents
Acoustic and image generating method in radio flow media system Download PDFInfo
- Publication number
- CN101047839A CN101047839A CN 200610025267 CN200610025267A CN101047839A CN 101047839 A CN101047839 A CN 101047839A CN 200610025267 CN200610025267 CN 200610025267 CN 200610025267 A CN200610025267 A CN 200610025267A CN 101047839 A CN101047839 A CN 101047839A
- Authority
- CN
- China
- Prior art keywords
- sound
- image file
- image
- receiving equipment
- mentioned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
This invention relates to a sound and image regenerating method in a radio streaming-media system, which sets an index list about loaded and regenerated sound and images, when a sound and data flow file of image files sent by a sending device are received and processed by a receiving device of sound and images and the index list must be used when passing through the user interface, it judges if the index list is in the storage, if not, the sound and image receiving device will utilize a radio interface device to apply for the index list to the sending device and receives it and deals with the event with the list, so when sound and image files are regenerated, the initial time from issuing the regeneration order to the time watching/listening to the related sound and images is shortened.
Description
Technical field
The present invention relates to sound and image renovation process in a kind of radio flow media system, be sound and the image file that sends regulation by wireless mode by sound and image file transmitting apparatus as a kind of, and by sound and image file receiving equipment above-mentioned file is received, then the method for sound in the wireless flow media of exporting by picture and loud speaker (Wireless Streaming) system and image regeneration.
Background technology
Along with development of Communication Technique, developed appearance in a large number based on the radio interface equipment that carries out short-range communication of bluetooth, Wireless Fidelity (WiFi:Wireless Fidelity), ultra broadband (UWB:Ultra Wide Band) system and WLAN (wireless local area network) (Wireless Local Area Network) etc.
Along with development of Communication Technique, the transfer rate of described radio interface equipment is constantly accelerated, and has reached fully to transmit the degree of sound and imaging data stream, so utilize above-mentioned radio interface equipment to develop many data communications system of carrying out.On sound and image file transmitting apparatus and sound and image file receiving equipment, all be suitable for radio flow media system, described sound and image file transmitting apparatus are meant that (STB:Set-Top-Box, Digital Television (DTV:Digital Television) receiver etc. that is carrying PVR can store sound and image file, and sound and image file transmitting apparatus that the sound that stores and image file are sent by wireless mode for the set-top box of for example carrying PC (PersonalComputer) and PVR (Personal Video Recoder); Described sound and image file receiving equipment are meant that watch-dog, PMP (Portable MultimediaPlayer) etc. can receive, handle and listen to/sound and the image file receiving equipment watched by wireless mode sound and image file.
Described sound and image file transmitting apparatus, carry out tuning to the broadcast singal of specified channel and receive by optical cable or antenna etc., in the internal reservoir device, save as sound and image file then, the moving image file that perhaps sound stored in the internal reservoir device and image file is encoded into MPEG (Moving Picture Expert Group) file or is encoded into regulation (for example: the file of expansion AVI by name), send by radio interface equipment then.
And, described sound and image file receiving equipment utilize radio interface equipment that tut and image file transmitting apparatus are received by the sound of wireless mode transmission and the data flow of image file, then after the sound that receives and imaging data stream are decoded, export by picture and loud speaker, the user just can listen to/watch sound and image.
The advantage of this radio flow media system is: though sound and image file transmitting apparatus are difficult to move because of linking to each other with optical cable or antenna and are fixedly installed on the certain location, but sound and image file receiving equipment be not owing to link to each other with optical cable or antenna, so the user can move easily, thereby make sound and the image that the user listens to/watches to be needed within the communication distance of radio interface equipment.
A kind of radio flow media system, it is characterized in that: when sound and image file receiving equipment receive the sound of regulation and image file and it is handled from sound and image file transmitting apparatus, at first to ask for the reception hint table and with it and be stored in the memory, receive and handle sound and imaging data stream then, thereby the initial time till having postponed when the user will regenerate to sound and image file to begin when sending the regeneration order to regulation sound and image when listening to/watching related sound and image.
Below just existing technology is described with reference to Fig. 1.
Fig. 1 shows is the flow chart of sound and image renovation process in the existing radio flow media system.
Such just as shown in the figure, in the middle of step 100, carry out data communication by the radio interface equipment between sound and image (AV) file transmitting apparatus and sound and image (AV) the file receiving equipment, then the catalogue of stored file in sound and image file transmitting apparatus application sound and image file receiving equipment.According to above-mentioned application, sound and image file transmitting apparatus send by the catalogue of radio interface equipment to stored file in the file reservoir such as HDD (Hard Disk Drive) or PVR.
Then, in the middle of step 102, sound and image file receiving equipment receive and be presented on the picture by the catalogue of radio interface equipment to file, in case and the user confirmed file directory shown in the picture, just can select and want the sound and the image file of regenerating.
When the user has selected to want the sound of regenerating and image file, in the middle of step 102, judged whether the regeneration order, if regeneration order, flow process is got back to step 100.
If send the regeneration order by user interface in the middle of the step 104, so in the middle of step 106, sound and image file receiving equipment are just wanted (Header) of the file of regenerating to sound and the application of image file transmitting apparatus by radio interface equipment.Applied for that the sound of head (Header) and image file transmitting apparatus extract head (Header) out in the middle of the sound wanting to regenerate and image file, by radio interface equipment relevant header (Header) has been sent then.
Then, in the middle of step 108, sound and image file receiving equipment receive above-mentioned head (Header) by radio interface equipment, and utilize the information of the head (Header) that receives, the audio frequency that the compressed format of selection and sound and image file (Format) adapts, Video Codec (Codec).
That is to say, in the middle of sound and image file, because the capacity of image file is very big, so, it need be compressed into the form of regulation in order to transmit in good time.Tut and image file are carried out compressed format comprise various forms such as MPEG, AVI.Therefore, when sound after receiving system is to compression and image file receive and handle, just should confirm sound and image file after this compression with which kind of form compress, and then decode by suitable codec according to the form after confirming.The information of the compressed format of described sound and image file is stored in the head (Header) of sound and image file, so sound and image file receiving equipment can utilize the Information Selection of head (Header) to go out the codec that the compressed format with sound that is received and image file adapts.
Then, in the middle of step 110, sound and image file receiving equipment, and are stored in the concordance list that this receives in the memory to sound and the application of image file transmitting apparatus and to receive the size and the time that have with frame of video (Frame) and audio frame be the information index tables such as position of foundation by radio interface equipment.
Then, in the middle of step 112, sound and image file receiving equipment by radio interface equipment to sound and the application of image file transmitting apparatus and receive and want the sound of regenerating and the sound and the imaging data stream of image file.
Then, in the middle of step 114, utilize after the above-mentioned codec that chooses decodes to the sound that receives and imaging data stream at sound and image file receiving equipment, in the middle of step 116, handle and export, and picture and loud speaker by sound and image file receiving equipment are exported, thereby the user can be listened to and watch.
Then, in the middle of step 118, listen to the user/watch in the process of sound and image, judged whether to take place the incident of necessary use concordance list, if do not use the incident of concordance list, flow process is got back to step 112; In when, by user interface the incident of regulation taking place when, for example when F.F. (Fast Forward) or rewind down incidents such as (Rewind) take place, in the middle of step 120, sound and image file receiving equipment just utilize concordance list stored in the memory, the user are carried out the position of the data flow of F.F. or rewind down and retrieve.
Then, in the middle of step 122, if sound and image file receiving equipment utilize the information of concordance list stored in the memory, the user is carried out the position of the data flow of F.F. or fast reverse operation and confirm, come the beginning of setting data stream with regard to utilizing the position that is identified.Sound and image file receiving equipment are circulated a notice of the position of the data flow that is moved to sound and image file transmitting apparatus by radio interface equipment, and sound and image file transmitting apparatus begin by radio interface equipment sound and imaging data stream to be sent from the position of the above-mentioned data flow of being circulated a notice of.Therefore, the user just can from begin through user interface selected part to continue to listen to/watched sound and image.
In the middle of above-mentioned existing radio flow media system, the sound of regulation and during image file will selected and regenerate to sound and image renovation process, elder generation's reception hint table also is stored in it in memory, receives sound and imaging data stream then and it is handled.Described concordance list is used for the position of data flow is confirmed when sound and image file are carried out F.F. or fast reverse operation, and when not carrying out F.F. or fast reverse operation, owing to do not use concordance list, so application and reception hint table also are stored in the needed time in the memory with it, the reason that has just become the initial time till causing beginning when sending the order that the sound stipulated and image are regenerated when listening to/watching related sound and image to be delayed.
Summary of the invention
The present invention proposes for addressing the above problem just, its purpose be to provide a kind of the incident of concordance list takes place to use before reception hint table not, and when taking place to use the incident of concordance list, sound and the image renovation process from a kind of radio flow media system of sound and image file transmitting apparatus there reception hint table by sound and image file receiving equipment.
Have in the middle of the radio flow media system of the present invention of above-mentioned purpose, sound and image renovation process are characterised in that: carry out data communication by radio interface equipment between sound and image file transmitting apparatus and sound and image file receiving equipment, receive and be presented on the picture by sound and image file receiving equipment to the catalogue of stored file in sound and the image file transmitting apparatus then, and, if by user interface input regeneration order, sound and image file receiving equipment utilize the Information Selection of this title that receives and the matched Voice ﹠ Video codec of compressed format of sound and image file then just by the radio interface equipment application and receive the title want the file of regenerating.Sound and image file receiving equipment apply for and receive sound and image file data flow by radio interface equipment, utilizing after above-mentioned selecteed codec decodes, it is handled and exports by picture and loud speaker then.
When taking place to use the incident of concordance list by user interface, sound and image file receiving equipment are judged whether there being concordance list in the memory, when in above-mentioned judged result is memory, not having concordance list then, sound and image file receiving equipment just by radio interface equipment to sound and application of image file transmitting apparatus and reception hint table.And utilize after the above-mentioned concordance list that receives retrieves the position of data flow and confirm at sound and image file receiving equipment, utilize the position that is identified to come the starting position of setting data stream.Sound and image file receiving equipment by radio interface equipment with the position of the above-mentioned data flow that is set after sound and image file transmitting apparatus circular, just begin sound and imaging data stream are received from the position that is set.
Therefore, the object of the present invention is achieved like this:
Sound in a kind of radio flow media system and image renovation process comprise following step:
Be responsible for sound and image file transmitting apparatus are received by sound and the image file that radio interface equipment sends out by sound and image file receiving equipment, and the step of exporting by picture and loud speaker;
When taking place by user interface to use the incident of concordance list, by sound and image file receiving equipment step to sound and application of image file transmitting apparatus and reception hint table; And
Utilize the above-mentioned concordance list that receives by sound and image file receiving equipment, the step that above-mentioned event is handled.
Feature of the present invention also is: described incident is meant the order that F.F. or rewind down etc. are transfused to by user interface.
Effect of the present invention:
Just as explained above like that, sound in the radio flow media system of the present invention and image renovation process, by only when the incident of concordance list takes place to use just by sound and image file receiving equipment mode from sound and image file transmitting apparatus there reception hint table, reach when sending the order that the sound and the image file of regulation are regenerated, by sound and application of image file receiving equipment and reception hint table, and it is stored in the memory, the effect of the initial time till when listening to/watching related sound and image to shorten to, thus make the user can listen to/watch sound and image quickly.
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.
Description of drawings
Fig. 1 shows is the sound in the existing radio flow media system and the flow chart of image renovation process.
Fig. 2 shows is the calcspar of the radio flow media system that is suitable for of sound of the present invention and image renovation process.
What Fig. 3 showed is the flow chart of sound of the present invention and image renovation process.
Embodiment
Below just sound in the radio flow media system of the present invention and image renovation process are described in detail with reference to accompanying drawing.
Fig. 2 shows is the system block diagrams that sound in the radio flow media system of the present invention and image renovation process are suitable for.Here, transmitting apparatus 200 refers to set-top box (STB) of carrying PC, PVR and the DTV receiver that is carrying PVR etc. to sound and image file stores and the sound that can send the sound that stores and image file by wireless mode and the transmitting apparatus of image file; Receiving equipment 250 refers to watch-dog, portable multimedia game machine (PMP) etc. and by wireless mode sound and image file is received, handles and listen to/sound of watching and the receiving equipment of image file.
Described sound and image file transmitting apparatus 200 comprise central processing unit 201, file reservoir 202, memory section 203, radio interface equipment 204.
Described central processing unit 201 is responsible for the whole systems of control sound and image file transmitting apparatus 200, and utilizes file stored in the file reservoir 202, controls and adjusts a series of processing procedures relevant with the order that is transfused to.
Described file reservoir 202 is responsible under the control of above-mentioned central processing unit 201 file being stored by for example HDD, personal video recorder formations such as (PVR).
Described memory section 203 is responsible for storing the operation program and the deal with data of above-mentioned central processing unit 201.
Described radio interface equipment 204 is made of for example bluetooth, Wireless Fidelity (WiFi), ultra broadband (UWB) system or WLAN (wireless local area network), be responsible for carrying out data communication, and be responsible for information such as sound and imaging data stream, title, concordance list are sent by wireless mode.
Described sound and image file receiving equipment 250 comprise radio interface equipment 251, control part 252, memory 253, chart generating unit 254, decoder 255, audio/video (AV) handling part 256, user interface 257.
Described radio interface equipment 251 under the control of above-mentioned control part 252, carry out and sound and image file transmitting apparatus 200 between data communication, and be responsible for information such as sound and imaging data stream, title, concordance list are received.
Described control part 252 is responsible for control sound and information such as imaging data stream, title and concordance list that above-mentioned radio interface equipment 251 received, and control is handled the sound that receives and imaging data stream and enabled the processing action of being listened to/watching.
Described memory 253 is responsible for the control program and the information such as the above-mentioned title that receives, concordance list of above-mentioned control part 252 are stored.
Described chart generating unit 254 generates the chart signal of video signal of regulation under the control of above-mentioned control part 252.And when by user interface 257 input ' regeneration ', ' F.F. ', ' rewind down ' etc. when ordering, generation can make the chart signal of video signal that shows of being used for of user's cognition on picture 259.
Described decoder 255 utilizes codec that sound and imaging data stream are decoded under the control of above-mentioned control part 252.
Sound and the imaging data stream that above-mentioned decoders 255 decodings of 256 pairs of described audio/video (AV) handling parts are come out, handle from the chart signal of video signal of chart generating unit 253 outputs, and export by picture 259 and loud speaker 258, thereby the user can be listened to and watch.
Described user interface 257 is responsible for sending the order that is operating as foundation with the user, and it is inputed to control part 252.
Have the sound of the present invention and the image renovation process that are suitable in the radio flow media system of said structure, such just as shown in Figure 3, in the middle of step 300, carry out data communication by radio interface equipment 204,251 between sound and image file transmitting apparatus 200 and sound and the image file receiving equipment 250, then sound and image file (AV) receiving equipment 250 application and receive sound and the catalogue of the file that image (AV) file transmitting apparatus 200 is stored.
The described file directory that receives is displayed in the middle of step 302 on the picture 259, so that the user can confirm file directory shown on the picture 259, and selects and wants the sound and the image file of regenerating.
In the middle of step 304, the user selects to want the sound and the image file of regenerating by user interface 257, has judged whether the regeneration order, if regeneration order, flow process is got back to step 300.
Then when sending the regeneration order, the user just on picture, shows so that can understand to the current regeneration initial actuating that carries out, and in the middle of step 306, sound and image file receiving equipment 250 want the head (Header) of the file of regenerating to apply for and receive by 251 pairs of radio interface equipments.
Utilize the information of the above-mentioned title that receives, the compressed format of selection and sound and image file adapts in the middle of step 308 audio frequency, Video Codec.
Then, in the middle of step 310, sound and image file receiving equipment 250 by radio interface equipment 251 to 200 applications of sound and image file transmitting apparatus and receive and want the sound of regenerating and the sound and the imaging data stream of image file.
In the middle of step 312, after information that sound and image file receiving equipment 250 utilize title is decoded to the sound that receives and imaging data stream by the above-mentioned codec that chooses, in the middle of step 314, handle, and picture 259 and loud speaker 258 by sound and image file receiving equipment 250 are exported, so that the user can listen to and watch.
Then, in the middle of step 316, the user sound and image are listened to and the process of watching in, judged whether to take place the incident of necessary use concordance list, if do not use the incident of concordance list, flow process is got back to step 310, in when, by user interface 257 incident of regulation taking place when, demonstrate by picture 259 carry out ' F.F. ', ' rewind down ' etc. incident, so that the user can understand, then, in the middle of step 318, whether store concordance list in 250 pairs of memories 253 of sound and image file receiving equipment and judge.
When the judged result of described step 318 is when not having concordance list in the memory 253, in the middle of step 320, sound and image file receiving equipment 250, and is stored in the concordance list that this receives in the middle of the memory 253 to sound and image file transmitting apparatus 200 application and reception hint tables by radio interface equipment 251.
Utilize stored concordance list in the above-mentioned memory 253, in the middle of step 322,250 couples of users of sound and image file receiving equipment require the position of the data flow of F.F. or rewind down to retrieve.
Then, in the middle of step 324, if sound and image file receiving equipment 250 utilize the information of concordance list stored in the memory 253 by user interface 257, position to the data flow that requires F.F. or rewind down is confirmed, so just utilizes the position that is identified to come the beginning of setting data stream.Sound and image file receiving equipment 250 are circulated a notice of the position of the data flow that is moved by radio interface equipment 251 to sound and image file transmitting apparatus 200, and the position from the data flow of above-mentioned circular receives by 251 pairs of sound of radio interface equipment and imaging data stream.Therefore, the user can be from beginning by user interface 257 selected parts to continue to listen to and watching sound and image.
By the content of above-mentioned explanation, the practitioner of this area can carry out diversified change and modification within the scope that does not break away from the technology of the present invention thought.But, 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, sound in a kind of radio flow media system and image renovation process is characterized in that comprising following step:
Be responsible for sound and image file transmitting apparatus are received by sound and the image file that radio interface equipment sends out by sound and image file receiving equipment, and the step of exporting by picture and loud speaker;
When taking place by user interface to use the incident of concordance list, by sound and image file receiving equipment step to sound and application of image file transmitting apparatus and reception hint table; And
Utilize the above-mentioned concordance list that receives by sound and image file receiving equipment, the step that above-mentioned event is handled.
2, sound in the radio flow media system as claimed in claim 1 and image renovation process is characterized in that:
Comprise following step in the above-mentioned step of sound and image file being exported by picture and loud speaker:
Between sound and image file transmitting apparatus and sound and image file receiving equipment, carry out data communication by radio interface equipment, be presented at the step on the picture after by sound and image file receiving equipment the catalogue of file being received then;
If select sound and the image file of stipulating and import the regeneration order by user interface, just the step of the head of application and reception related sound and image file;
Utilize the information of the above-mentioned head that receives to select the Voice ﹠ Video codec, and the step that the data flow of sound and image file is received; And
Utilize the above-mentioned codec that receives, sound and imaging data stream are decoded by sound and image file receiving equipment, and to its step of handling.
3, sound in the radio flow media system as claimed in claim 1 and image renovation process is characterized in that:
When the step of above-mentioned application and reception hint table is meant the generation incident, judge whether storing concordance list in the memory by sound and image file receiving equipment, when having concordance list, come the step that incident is handled then with regard to utilizing this concordance list that is stored.
4, as sound and image renovation process in claim 1 or the 3 described radio flow media systems, it is characterized in that:
Comprise following step in the above-mentioned treatment step to incident:
The step of utilizing the information of concordance list that the traffic locality of the selected incident of user is confirmed by sound and image file receiving equipment;
And the position of being confirmed according to tut and image file receiving equipment, after the beginning of having set data flow, circulate a notice of to sound and image file transmitting apparatus by radio interface equipment, begin the step that sound and imaging data stream are received then from the position of data flow of circular.
5, as sound and image renovation process in claim 1 or the 3 described radio flow media systems, it is characterized in that:
Described incident is meant the F.F. or the reverse commands of tut and image file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025267 CN101047839A (en) | 2006-03-30 | 2006-03-30 | Acoustic and image generating method in radio flow media system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025267 CN101047839A (en) | 2006-03-30 | 2006-03-30 | Acoustic and image generating method in radio flow media system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101047839A true CN101047839A (en) | 2007-10-03 |
Family
ID=38771995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610025267 Pending CN101047839A (en) | 2006-03-30 | 2006-03-30 | Acoustic and image generating method in radio flow media system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101047839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291368A (en) * | 2010-06-17 | 2011-12-21 | 中兴通讯股份有限公司 | Method, device and system for playing remote multimedia file |
-
2006
- 2006-03-30 CN CN 200610025267 patent/CN101047839A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291368A (en) * | 2010-06-17 | 2011-12-21 | 中兴通讯股份有限公司 | Method, device and system for playing remote multimedia file |
| CN102291368B (en) * | 2010-06-17 | 2015-07-22 | 中兴通讯股份有限公司 | Method, device and system for playing remote multimedia file |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100568966C (en) | A kind of network transfer method of audio/video data | |
| CN1856092A (en) | Content playback system, content playback apparatus, and content playback method | |
| CN1719892A (en) | Method of encoding and playing back audiovisual or audio documents and device for implementing the method | |
| CN1656812A (en) | Method and system for a distributed digital video recorder | |
| CN1658668A (en) | Device and method for outputting data of a wireless terminal to an external device | |
| CN1617581A (en) | Multimedia receiver, and multimedia receiving system | |
| CN1977554A (en) | Interactive broadcast system | |
| CN1893383A (en) | Method of providing recordable time according to remaining memory capacity and terminal therefor | |
| CN101388780A (en) | System and method for sharing cabled digital program by mobile communication devices | |
| CN101056150A (en) | Time shift apparatus and method for digital multimedia broadcasting terminal | |
| JP2017520940A (en) | Method and apparatus for multiplexing hierarchically encoded content | |
| CN1210411A (en) | Multiplex data transmitting and receiving equipment | |
| CN1842971A (en) | Contents providing system and mobile communication terminal therefor | |
| CN101262291B (en) | A method and device for realizing speed-varying playing media | |
| US9032457B2 (en) | Streaming data processing method and apparatus for digital broadcast system supporting VOD service | |
| CN105430510A (en) | Video on demand method, gateway, smart terminal and video on demand system | |
| CN1592391A (en) | Video stream processing apparatus and video stream processing method | |
| CN101433082B (en) | Converting image format | |
| CN101800894A (en) | Method and system for converting and transmitting multimedia video and audio | |
| JP2013517715A (en) | Method and apparatus for recording multimedia broadcast program | |
| CN1794799A (en) | Program recording device and recording method | |
| CN101047839A (en) | Acoustic and image generating method in radio flow media system | |
| CN1874474A (en) | Equipment of TV set | |
| US7746407B2 (en) | Apparatus and method for storing data in a digital broadcasting receiver | |
| CN1941875A (en) | Individual videocorder and method for transmitting broadcast signal into external multimedia apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |