CN101179344B - Mode switching method and broadcast receiving terminal - Google Patents
Mode switching method and broadcast receiving terminal Download PDFInfo
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- CN101179344B CN101179344B CN2007101850643A CN200710185064A CN101179344B CN 101179344 B CN101179344 B CN 101179344B CN 2007101850643 A CN2007101850643 A CN 2007101850643A CN 200710185064 A CN200710185064 A CN 200710185064A CN 101179344 B CN101179344 B CN 101179344B
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- receiving apparatus
- broadcast receiving
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Abstract
A broadcast receiving terminal having a calculating process unit operated at different clock frequencies in response to modes executes a mode switching method comprising the below-mentioned steps. The mode switching method comprises: a step for judging whether or not a mode switching instruction is issued while the calculating process unit is operated; a step for setting the calculating process unit to an idling status when the mode switching instruction is issued; and a step for releasing the idling status of the calculating process unit.
Description
Technical field
Mode switching method that the present invention relates to be equipped with in response to pattern broadcast receiving apparatus, carries out by this broadcast receiving apparatus and the mode switching program that in this broadcast receiving apparatus, moves with the calculation processing unit of different clock frequencies work.
Background technology
As about Japan based on one of service of the digital television broadcasting system on ground, the what is called " 1 section (1seg) " (1 section) that is used for portable phone and portable terminal service is provided.Can be under the situation of battery based on the power supply of broadcast receiving apparatus of " 1 section " service received television program, consider its driving time and wish to realize low-power consumption.For this reason, prepared two kinds of mode of operations for broadcast receiving apparatus: promptly, in normal mode, execution can realize the function (hereinafter will be called " acoustics overlaying function (acoustic adding function) ") of superior sound quality; And in battery saving mode, owing to do not move the acoustics overlaying function, although comparing its sound quality with normal mode worsens, power consumption is lower.Specified as Fig. 4, before beginning to watch broadcast program, the mode of operation of broadcast receiving apparatus is set to any (that is any in normal mode and the battery saving mode) in these two mode of operations.
Above-mentioned broadcast receiving apparatus comprises the calculation processing unit that is used to carry out data processing operation, control operation etc., so that reproduce picture and sound.When the mode of operation with broadcast receiving apparatus is set to normal mode, calculation processing unit operation acoustics overlaying function, and when the mode of operation with broadcast receiving apparatus was set to battery saving mode, calculation processing unit did not move the acoustics overlaying function.Therefore, the treating capacity of calculation processing unit is compared during with the selection normal mode, and the treating capacity of calculation processing unit is littler when selecting battery saving mode.As a result, even do not have work problem in the clock frequency of calculating described in the battery saving mode yet.In other words, when considering the power saving aspect, if calculation processing unit is to hang down clock frequency work, then its power consumption also reduces, and has caused more advantageous conditions.Therefore, when selecting battery saving mode, not only do not carry out the acoustics overlaying function, and if comprise that the clock frequency of internal clocking frequency and external clock frequency reduces, and then can reduce the power consumption of broadcast receiving apparatus widely.
Should be appreciated that when handling when operation at calculation processing unit when switching clock frequency, having more, following situation takes place high likelihood: the software that is moving in the calculation processing unit and comprise that the operation of the hardware of calculation processing unit enters labile state.In addition, owing to when watching broadcast program, can not temporarily stop to reproduce operation, so can not switch clock frequency.Therefore, even need when watching broadcast program, also can switch the broadcast receiving apparatus of its mode of operation.
Summary of the invention
Even the purpose of this invention is to provide a kind of broadcast receiving apparatus that when watching broadcast program, also can switch its mode of operation, by the mode switching method of above-mentioned broadcast receiving apparatus operation and the mode switching program of in above-mentioned broadcast receiving apparatus, carrying out.
The invention provides a kind of mode switching method, this mode switching method is carried out by the broadcast receiving apparatus that has in response to pattern with the calculation processing unit of different clock frequency work, and described method comprises: be used to judge the step of whether sending the mode switch instruction at described calculation processing unit duration of work; Be used for when sending the instruction of described mode switch, described calculation processing unit being set to the step of idle condition; Be used for the mode of operation of described broadcast receiving apparatus is switched to the step of described mode of operation of being instructed; And the step that is used to discharge the idle condition of described calculation processing unit.
Above-mentioned mode switching method comprises: when sending the instruction of described mode switch, be controlled at the sound volume regulation unit that comprises in the described broadcast receiving apparatus so that made from the fade-out of described broadcast receiving apparatus output or the step of noise reduction before described calculation processing unit is set to idle condition; And be used for after discharging the idle condition of described calculation processing unit, make from the crescendo of the sound of described broadcast receiving apparatus output or remove the step of the noise reduction of this sound.
In above-mentioned mode switching method, described broadcast receiving apparatus switches between described calculation processing unit is with first pattern of the first clock frequency work and second pattern of described calculation processing unit with the work of second clock frequency.
In above-mentioned mode switching method, control is included in audio treatment unit in the described broadcast receiving apparatus, so that switch the operation of the additional function that described audio treatment unit holds and do not move.
In above-mentioned mode switching method, in described first pattern, move the additional function of the audio treatment unit that described broadcast receiving apparatus holds, and in described second pattern, in described second pattern, do not move the additional function of described audio treatment unit.
The invention provides a kind of mode switching program, it is characterized in that, this mode switching program is carried out by the broadcast receiving apparatus that has in response to pattern with the calculation processing unit of different clock frequency work, and wherein this mode switching program impels the computer that adopts in broadcast receiving apparatus to realize: be used to judge the function of whether sending the mode switch instruction when carrying out described calculation processing unit; Be used for when sending the instruction of described mode switch, described calculation processing unit being set to the function of idle condition; And the function that is used for the mode of operation of described broadcast receiving apparatus is switched to described pattern of being instructed.
In above-mentioned mode switching program, when sending the instruction of described mode switch, described mode switching program impels described computer realization: be controlled at the sound volume regulation unit that comprises in the described broadcast receiving apparatus so as before described calculation processing unit to be set to idle condition, make from the fade-out of described broadcast receiving apparatus output or the function of noise reduction; And be used for after discharging the idle condition of described calculation processing unit, make from the crescendo of the sound of described broadcast receiving apparatus output or remove the function of the noise reduction of this sound.
In above-mentioned mode switching program, described broadcast receiving apparatus switches between described calculation processing unit is with first pattern of the first clock frequency work and second pattern of described calculation processing unit with the work of second clock frequency.
In described mode switching program, be controlled at the audio treatment unit that comprises in the described broadcast receiving apparatus, so that switch the operation of the additional function that described audio treatment unit holds and do not move.
In described mode switching program, in described first pattern, move the additional function of the audio treatment unit that described broadcast receiving apparatus holds, and in described second pattern, in described second pattern, do not move the additional function of described audio treatment unit.
The invention provides a kind of broadcast receiving apparatus, this broadcast receiving apparatus has in response to pattern with the calculation processing unit of different clock frequency work, described broadcast receiving apparatus comprises: control unit, and it judges whether sent the mode switch instruction when described calculation processing unit is worked; When sending the instruction of described mode switch, it is set to idle condition with described calculation processing unit; Its mode of operation with described calculation processing unit switches to the mode of operation of being instructed; With and discharge the described idle condition of calculation processing unit.
The invention provides a kind of mode switching method of carrying out by broadcast receiving apparatus, this broadcast receiving apparatus has in response to pattern with the calculation processing unit of different clock frequency work, and described method comprises: be used for when broadcast receiving apparatus receives and watches broadcast program or when broadcast receiving apparatus is watched the broadcast program of institute's record/storage, judge at described calculation processing unit duration of work whether send the step that mode switch is instructed; Be used for when sending the instruction of described mode switch, described calculation processing unit being set to the step of idle condition; And the step that is used for the mode of operation of described broadcast receiving apparatus is switched to described mode of operation of being instructed.
The invention provides a kind of broadcast receiving apparatus with calculation processing unit of operating with different clock frequencies in response to pattern, comprise: control unit, when described broadcast receiving apparatus receives and watches broadcast program or when described broadcast receiving apparatus is watched the broadcast program of institute's record/storage, judge when described calculation processing unit is worked, whether to have sent the mode switch instruction; When sending the instruction of described mode switch, described calculation processing unit is set to idle condition; The mode of operation of described broadcast receiving apparatus is switched to the mode of operation of being instructed; And the described idle condition that discharges calculation processing unit.
The invention provides a kind of broadcast receiving apparatus that has in response to pattern with the calculation processing unit of different clock frequency work, comprise: judging unit, be used for when broadcast receiving apparatus receives and watches broadcast program or when broadcast receiving apparatus is watched the broadcast program of institute's record/storage, judge at described calculation processing unit duration of work whether send the mode switch instruction; The unit is set, is used for when sending the instruction of described mode switch, described calculation processing unit being set to idle condition; And switch unit, be used for the mode of operation of described broadcast receiving apparatus is switched to described mode of operation of being instructed.
According to described mode switching method, mode switching program and broadcast receiving apparatus related to the present invention, even also can switching working mode when receiving broadcast program.
Description of drawings
Fig. 1 is the block diagram that indicates the broadcast receiving apparatus of embodiments of the present invention.
Fig. 2 is the block diagram that is used to illustrate the audio treatment unit of broadcast receiving apparatus.
Fig. 3 is the flow chart in order to the mode switching method of representing present embodiment.
Fig. 4 is the flow chart that is used to describe the traditional mode changing method.
Embodiment
With reference now to figure,, embodiments of the present invention is described.The broadcast receiving apparatus of following execution mode can be operated accordingly with the television broadcasting system of serving based on above-mentioned what is called " 1 section ".
Should be appreciated that, in the description of present embodiment, suppose only to be undertaken each processing operation of broadcast receiving apparatus by operating software.As selection, these each handle operation and can realize based on the hardware that can carry out the processing operation that is equal to described each treatment step and the software that can control above-mentioned hardware.As selection, for example, determining step can be realized by the judging unit that is provided for carrying out its equivalent processes operation; Step is set can be realized by the hardware that is provided for detecting following information, and this information is used to judge the unit that is provided with of carrying out the equivalent processes operation, and can carry out setting operation under the control of software and the unit is set.Therefore, can realize that this processings that is equal to the operation only undertaken by software operates.
Fig. 1 is the block diagram that is used to illustrate broadcast receiving apparatus according to the embodiment of the present invention.As shown in Figure 1, the broadcast receiving apparatus of present embodiment is equipped with antenna 101, receiving element 103, separative element 105, audio treatment unit 107, volume adjustment unit 109, loud speaker 111, screen processing 113, display 115, operating unit 117, control unit 119 and BIOS that memory cell 121 is set.Should be noted that as selecting, separative element 105, audio treatment unit 107, screen processing 113 and control unit 119 can with by the working procedure operation, realize such as the calculating treatmenting equipment of CPU.
Fig. 2 is the block diagram that is used to represent the internal placement of audio treatment unit 107.As shown in Figure 2, audio treatment unit 107 comprises band extension information separative element 151, AAC decoding unit 153, switch unit 155, SBR processing unit 157 and D/A converting unit 159.It is audio coding signal and band extension information that band extension information separative element 151 flows Signal Separation substantially with audio frequency, and subsequently the data of audio coding is input to AAC decoding unit 153, and also band extension information is input to SBR processing unit 157.The data of AAC decoding unit 153 encode audios are decoded, so that output low frequency band voice data (hereinafter, the processing operation of being undertaken by AAC decoding unit 153 will be called as " AAC handles operation ").SBR processing unit 157 is predicted the high-frequency audio frequency band based on band extension information and low-frequency band voice data, so that produce high frequency band voice data (hereinafter, the processing of SBR processing unit 157 operation will be called as " SBR handles operation ").159 pairs of voice datas of D/A converting unit carry out the D/A conversion.
In the present embodiment, prepared the audio reproducing pattern of following two kinds of patterns, promptly in normal mode, reproduced voice data based on low-frequency band voice data and the two generation of high frequency band voice data as broadcast receiving apparatus; And in battery saving mode, reproduce the voice data that only produces based on the low-frequency band voice data.Switch unit 155 in response to the instruction of sending from control unit 119 between normal mode and battery saving mode switching working mode.Broadcast receiving apparatus is being set under the such situation of normal mode, the low-frequency band voice data of exporting from AAC decoding unit 153 enters into SBR processing unit 157.On the other hand, broadcast receiving apparatus is being set under the such situation of battery saving mode, the low-frequency band voice data of exporting from AAC decoding unit 153 does not enter SBR processing unit 157, but enters into D/A converting unit 159.Therefore, when selecting battery saving mode, do not carry out SBR and handle operation.Should also be noted that SBR handles operation corresponding to " the acoustics overlaying function " that can realize time high quality (superior secondquality).In the normal mode of operation acoustics overlaying function, 157 work of SBR processing unit, and in the battery saving mode that does not move the acoustics overlaying function, SBR processing unit 157 is not worked, so power consumption is very little.
Sound volume regulation unit 109 is regulated from the level of the simulated audio signal of audio treatment unit 107 outputs.This sound volume regulation unit 109 is controlled by control unit 119, and has various functions, for example silencing function, diminuendo (fade out) function, crescendo (fade in) function etc.Loud speaker 111 in response to the analog signal signal with the level output sound after regulating.
BIOS is provided with memory cell 121 and stores therein and relevant essential informations such as clock frequency, and it comprises internal clocking and external clock.Separative element 105, audio treatment unit 107, screen processing 113 and control unit 119 come work in response to being set to the clock frequency that BIOS is provided with in the memory cell 121.In the present embodiment, 2 class clock frequencies can be set.Control unit 119 is provided with high clock frequency " f in normal mode
H", and low clock frequency " f is set in battery saving mode
L".
Fig. 3 is in order to the flow chart of description according to the operation (mode switching method) of the broadcast receiving apparatus of present embodiment.Specified as Fig. 3, beginning to watch television program (step S101) afterwards, control unit 119 judges whether to have sent mode switch instruction (step S103).When having sent the mode switch instruction, control unit 119 control sound volume regulation units 109 are so that fade down or noise reduction (step S105).Next, control unit 119 is set to idle condition (step S107) with software mode and hardware mode with calculation processing unit 123, and calculation processing unit 123 comprises separative element 105, audio treatment unit 107, screen processing 113 and control unit 119.
Confirm that at control unit 119 state of calculation processing unit 123 has been converted to idle condition (step S109) afterwards, control unit 119 arrives appointed mode of operation (step S111) with the work at present mode switch.In having specified the such situation of normal mode, control unit 119 is with clock frequency " f
H" be set to BIOS memory cell 121 (step S113) is set, and the switch unit 155 of control audio processing unit 107, so that carry out acoustics overlaying function (step S115).On the other hand, in specifying the such situation of battery saving mode, control unit 119 is with clock frequency " f
L" be set to BIOS memory cell 121 (step S117) is set, and the switch unit 155 of control audio processing unit 107, so that do not carry out acoustics overlaying function (step S119).
As previously described, according to the broadcast receiving apparatus and the mode switching method of present embodiment, even also can switching working mode when watching broadcast program (, normal mode and battery saving mode).In addition, sound diminuendo or noise reduction before switching working mode.Therefore, may prevent the appearance of the noise that when switching working mode, produces.
Should be appreciated that in the present embodiment, when switching working mode, the acoustics overlaying function is set to by ON/OFF.As selection, the acoustics overlaying function is set to ON/OFF in the time of can being changed (for example, such as the acoustic efficiency change of equalizer, data path switching etc.) at the setting operation that is used to change power consumption.In addition, although present embodiment illustration can be in response to the broadcast receiving apparatus of the television program of " 1 section " operation, replacedly, the present invention can be applicable to the broadcast receiving apparatus that can operate in response to the digital radio broadcasting program.
Broadcast receiving apparatus according to the present invention is useful as such terminal: even when watching broadcast program, it also can receive broadcast program also can switching working mode.
Claims (13)
1. mode switching method of being carried out by broadcast receiving apparatus, this broadcast receiving apparatus have in response to pattern with the calculation processing unit of different clock frequency work, and described method comprises:
Be used for when broadcast receiving apparatus receives and watches broadcast program or when broadcast receiving apparatus is watched the broadcast program of institute's record/storage, judge at described calculation processing unit duration of work whether send the step that mode switch is instructed;
Be used for when sending the instruction of described mode switch, described calculation processing unit being set to the step of idle condition; And
Be used for the mode of operation of described broadcast receiving apparatus is switched to the step of described mode of operation of being instructed.
2. according to the mode switching method of claim 1, also comprise:
Be used to discharge the step of the idle condition of described calculation processing unit.
3. according to the mode switching method of claim 1, also comprise:
When sending the instruction of described mode switch, be controlled at the sound volume regulation unit that comprises in the described broadcast receiving apparatus so that before described calculation processing unit is set to idle condition, make from the fade-out of described broadcast receiving apparatus output or the step of noise reduction; And
Be used for after discharging the idle condition of described calculation processing unit, make from the sound crescendo of described broadcast receiving apparatus output or remove the step of the noise reduction of described sound.
4. according to the mode switching method of claim 1, wherein:
The described betwixt calculation processing unit of described broadcast receiving apparatus is to switch between first pattern of the first clock frequency work and second pattern of described therebetween calculation processing unit with the work of second clock frequency.
5. according to the mode switching method of claim 1, wherein:
Be controlled at the audio treatment unit that comprises in the described broadcast receiving apparatus, so that switch the operation of the additional function that described audio treatment unit holds and do not move.
6. according to the mode switching method of claim 4, wherein:
In described first pattern, move the additional function of the audio treatment unit that described broadcast receiving apparatus holds, and in described second pattern, do not move the additional function of described audio treatment unit.
7. broadcast receiving apparatus that has in response to pattern with the calculation processing unit of different clock frequency operations comprises:
Control unit when described broadcast receiving apparatus receives and watches broadcast program or when described broadcast receiving apparatus is watched the broadcast program of institute's record/storage, judges whether sent the mode switch instruction when described calculation processing unit is worked; When sending the instruction of described mode switch, described calculation processing unit is set to idle condition; The mode of operation of described broadcast receiving apparatus is switched to the mode of operation of being instructed; And the described idle condition that discharges calculation processing unit.
8. broadcast receiving apparatus that has in response to pattern with the calculation processing unit of different clock frequency work comprises:
Judging unit is used for when broadcast receiving apparatus receives and watches broadcast program or when broadcast receiving apparatus is watched the broadcast program of institute's record/storage, judges at described calculation processing unit duration of work whether send the mode switch instruction;
The unit is set, is used for when sending the instruction of described mode switch, described calculation processing unit being set to idle condition; And
Switch unit is used for the mode of operation of described broadcast receiving apparatus is switched to described mode of operation of being instructed.
9. broadcast receiving apparatus according to Claim 8 also comprises:
Releasing unit is used to discharge the idle condition of described calculation processing unit.
10. broadcast receiving apparatus according to Claim 8 also comprises:
Sound volume regulation unit when sending the instruction of described mode switch, is controlled this sound volume regulation unit, so that before described calculation processing unit is set to idle condition, makes from the fade-out or the noise reduction of described broadcast receiving apparatus output; And
After the idle condition that discharges described calculation processing unit, this sound volume regulation unit makes from the sound crescendo of described broadcast receiving apparatus output or removes noise reduction.
11. broadcast receiving apparatus according to Claim 8, wherein:
Described betwixt calculation processing unit with first pattern of the first clock frequency work and described therebetween calculation processing unit to switch described broadcast receiving apparatus between second pattern of second clock frequency work.
12. broadcast receiving apparatus according to Claim 8, wherein:
Be controlled at the audio treatment unit that comprises in the described broadcast receiving apparatus, so that switch the operation of the additional function that described audio treatment unit holds and do not move.
13. according to the broadcast receiving apparatus of claim 11, wherein: in described first pattern, move the additional function of the audio treatment unit that described broadcast receiving apparatus holds, and in described second pattern, do not move the additional function of described audio treatment unit.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP300270/06 | 2006-11-06 | ||
| JP2006300270 | 2006-11-06 | ||
| JP217400/07 | 2007-08-23 | ||
| JP2007217400A JP2008141722A (en) | 2006-11-06 | 2007-08-23 | Mode switching method, mode switching program and broadcast receiving terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101179344A CN101179344A (en) | 2008-05-14 |
| CN101179344B true CN101179344B (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101850643A Expired - Fee Related CN101179344B (en) | 2006-11-06 | 2007-11-06 | Mode switching method and broadcast receiving terminal |
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| Country | Link |
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| JP (1) | JP2008141722A (en) |
| CN (1) | CN101179344B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4934113B2 (en) * | 2008-08-01 | 2012-05-16 | 株式会社オートネットワーク技術研究所 | Control device and computer program |
| JP5803193B2 (en) * | 2011-03-24 | 2015-11-04 | セイコーエプソン株式会社 | Head-mounted display device and method for controlling head-mounted display device |
| JP2018160147A (en) * | 2017-03-23 | 2018-10-11 | パイオニア株式会社 | Information processor and processing load distribution method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204901A (en) * | 1997-07-07 | 1999-01-13 | 松下电器产业株式会社 | Rceiving apparatus with intermittent receiving |
| CN1710942A (en) * | 2004-06-18 | 2005-12-21 | 三星电子株式会社 | Broadcast receiving apparatus having combined mode set-up function and method thereof |
| CN1813472A (en) * | 2003-06-27 | 2006-08-02 | 皇家飞利浦电子股份有限公司 | Receiver and method for reducing power consumption in low-power mode |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208542B1 (en) * | 1998-06-30 | 2001-03-27 | Sandisk Corporation | Techniques for storing digital data in an analog or multilevel memory |
| JP3860467B2 (en) * | 2001-12-18 | 2006-12-20 | 華碩電腦股▲ふん▼有限公司 | Power saving method and system for computer |
| GB0229899D0 (en) * | 2002-12-21 | 2003-01-29 | Koninkl Philips Electronics Nv | Power management in set top boxes |
-
2007
- 2007-08-23 JP JP2007217400A patent/JP2008141722A/en active Pending
- 2007-11-06 CN CN2007101850643A patent/CN101179344B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204901A (en) * | 1997-07-07 | 1999-01-13 | 松下电器产业株式会社 | Rceiving apparatus with intermittent receiving |
| CN1813472A (en) * | 2003-06-27 | 2006-08-02 | 皇家飞利浦电子股份有限公司 | Receiver and method for reducing power consumption in low-power mode |
| CN1710942A (en) * | 2004-06-18 | 2005-12-21 | 三星电子株式会社 | Broadcast receiving apparatus having combined mode set-up function and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特開平7-20964A 1995.01.24 |
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| Publication number | Publication date |
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| CN101179344A (en) | 2008-05-14 |
| JP2008141722A (en) | 2008-06-19 |
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