CN101483683A - Handhold apparatus and voice recognition method thereof - Google Patents
Handhold apparatus and voice recognition method thereof Download PDFInfo
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- CN101483683A CN101483683A CNA2008100022984A CN200810002298A CN101483683A CN 101483683 A CN101483683 A CN 101483683A CN A2008100022984 A CNA2008100022984 A CN A2008100022984A CN 200810002298 A CN200810002298 A CN 200810002298A CN 101483683 A CN101483683 A CN 101483683A
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Abstract
The invention discloses a handheld device and a method of voice recognition thereof; the handheld device comprises a main processor, a voice recognition unit and a voice receiver. When the main processor is in standby state, the voice recognition unit is actuated to identify the audio signal received by the voice receiver. When the voice receiver receives a preset audio signal, the voice recognition unit actuates the main processor to process the voice instruction input by the user. The users do not use the keystrokes to start the voice recognition function.
Description
Technical field
The present invention relates to a kind of speech recognition system, and particularly relevant for the hand-held device and the audio recognition method thereof that can reduce the speech identifying function consumed power when the standby.
Background technology
Along with the progress of mobile communication technology, mobile phone has become indispensable electronic product in people's life.Because the step of living is now quickened, communication modes is stressed timeliness more, so mobile phone replaces black phone in the past, rely on its portability and convenience, be regarded as the most convenient between men, communication tool the most fast, can see through mobile phone between men and do real-time communication and not be subjected to the restriction in time, place.
More convenient for the use that makes mobile phone, mobile phone is the integrating speech sound recognition system just, and the user can directly operate mobile phone with sound, for example dials, receives calls etc., and mobile phone can be reached " hand-free " effect.Yet for reducing power consumption, mobile phone is under holding state, and its speech identifying function is closed usually, and the user need could start speech identifying function via button operation.In some cases, for example driving, in the mode that button is operated mobile phone, is inadequately easily for the user, or even dangerous.
In addition, if continue the opening voice recognition function, then can produce a large amount of power consumptions, and mobile phone also can't enter holding state, be unpractical for the power management of mobile phone, and this can the serious stand-by time that reduces mobile phone.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of hand-held device and audio recognition method thereof, wherein dispose another lower powered voice recognition chip in the hand-held device, allow hand-held device when entering holding state, still can carry out speech recognition, increase user's convenience by this and reach the design requirement that reduces power consumption simultaneously.
The present invention proposes a kind of hand-held device, comprises primary processor, voice recognition unit and sound receiver.Sound receiver, in order to sound be converted to an audio signal and be sent to primary processor or voice recognition unit, wherein voice recognition unit is coupled to the arithmetic element of primary processor, can be in order to discern a preset audio signal.When primary processor is in a holding state, voice recognition unit comparing audio signal and preset audio signal, if audio signal when meeting preset audio signal then the activation primary processor to carry out speech recognition.
In an embodiment of the present invention, above-mentioned hand-held device further comprises switch unit, preamplifier and analog-digital converter, and wherein switch unit is coupled between sound receiver and the voice recognition unit, and is controlled by primary processor.Preamplifier is coupled between switch unit and the analog-digital converter, in order to amplify audio signal.Analog-digital converter then is coupled between primary processor and the preamplifier, in order to audio signal is converted to digital signal.Wherein, when primary processor switched to holding state, switch unit connected sound receiver and voice recognition unit, and when the primary processor activation, switch unit connects sound receiver and preamplifier.
In an embodiment of the present invention, above-mentioned voice recognition unit is a low-power voice recognition chip.
In an embodiment of the present invention, the tut receiver is a microphone.
In an embodiment of the present invention, above-mentioned hand-held device is a mobile phone.
Simultaneously, another proposes a kind of audio recognition method the present invention, is applicable to hand-held device, hand-held device comprises a low-power voice recognition chip, and above-mentioned audio recognition method comprises the following steps: at first, waits for that primary processor enters holding state, then, wait for preset audio signal; Next, when receiving preset audio signal, the activation primary processor is to carry out speech recognition.
The present invention is because of setting up lower powered voice recognition chip in hand-held device, therefore when entering holding state, can open by hand-held device comparatively easy speech identifying function automatically, allow the user can be directly wake hand-held device under the holding state up to open complicated speech identifying function and other function, increase user's ease of use and the power consumption that reduces hand-held device by this with sound.
For above-mentioned feature and advantage of the present invention can further be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, further elaborate.
Description of drawings
Fig. 1 is the annexation figure according to the hand-held device of first embodiment of the invention.
Fig. 2 is the annexation figure according to the hand-held device of second embodiment of the invention.
Fig. 3 is according to the described audio recognition method flow chart of third embodiment of the invention.
[primary clustering symbol description]
100: mobile phone
110: the sound receiving element
120: primary processor
130: voice recognition unit
200: mobile phone
210: the sound receiving element
212: switch unit
214: preamplifier
216: analog-digital converter
220: primary processor
230: voice recognition unit
AS: audio signal
S310～S370: step
Embodiment
First embodiment
Fig. 1 is the annexation figure according to the hand-held device of first embodiment of the invention.Present embodiment with the mobile phone be example as an illustration, mobile phone 100 comprises sound receiving element 110, primary processor 120 and voice recognition unit 130.Sound receiving element 110 is coupled to primary processor 120 and voice recognition unit 130, in order to sound being converted to audio signal AS, and is sent to primary processor 120 or voice recognition unit 130.110 of sound receiving elements for example are microphone.
When the user did not export any instruction above the scheduled time, when mobile phone 100 entered holding state, primary processor 120 also can enter holding state to reduce the power consumption of mobile phone 100.At this moment, mobile phone 100 meeting activation voice recognition units 130 are to carry out speech recognition.Voice recognition unit 130 can be discerned at least one preset audio signal, and this preset audio signal can be set up on their own by the user, or selects the default value of mobile phone 100 inside.Because the voice recognition unit 130 in the present embodiment uses the low-power voice recognition chip, therefore can not consume too much battery electric quantity.
When sound receiver 110 received sound met preset audio signal, sound such as " start " or " dialing " for example, voice recognition unit 130 can wake primary processor 120 up to carry out complicated speech identifying function or other instruction.In other words, present embodiment is set up a lower powered voice recognition chip in mobile phone 100, therefore when primary processor 120 is in holding state, still can carry out easy speech recognition, the user can directly wake the mobile phone 100 under the holding state up or carry out easy acoustic control function with sound, must can not start speech identifying function via button operation.
In known techniques, primary processor must in running orderly just can carry out the opening voice recognition function, shortens the stand-by time of mobile phone 100 if long-time startup primary processor can consume a large amount of electric power.Compared to known techniques, present embodiment still can carry out speech recognition after primary processor 120 enters holding state (or being called battery saving mode).Primary processor 120 can carry out speech recognition by the lower powered voice recognition unit 130 of activation before entering holding state, activation primary processor 120 again again in the time must carrying out complicated acoustic control function.The user must not use button can start speech identifying function, can directly restart mobile phone 100 with sound.Therefore, the mobile phone 100 of present embodiment is not only possessed the convenience of speech recognition, also has power saving, environmental protection and energy-conservation benefit simultaneously.
Second embodiment
Next, further specify the circuit design details of hand-held device, please refer to Fig. 2, Fig. 2 is the annexation figure according to the hand-held device of second embodiment of the invention.Present embodiment with the mobile phone be equally example as an illustration, mobile phone 200 comprises sound receiving element 210, switch unit 212, preamplifier 214, analog-digital converter 216, primary processor 220 and voice recognition unit 230.Switch unit 212 is coupled between sound receiver 210, voice recognition unit 230 and the preamplifier 214, and is controlled by primary processor 220.Analog-digital converter 216 is coupled between preamplifier 214 and the primary processor 220, in order to audio signal AS is converted to digital signal, and exports primary processor 220 to.
When primary processor 220 entered standby mode, the audio signal AS that voice recognition unit 230 meeting activations and switch unit 212 can be exported sound receiving element 210 was sent to voice recognition unit 230.When voice recognition unit 130 received audio signal AS met preset audio signal, sound such as " start " or " dialing " for example, voice recognition unit 130 can wake primary processor 120 up to carry out complicated speech identifying function or other instruction.
At this moment, switch unit 212 can be sent to preamplifier 214 with audio signal AS, after amplifying via preamplifier 214, is converted to digital signal via analog-digital converter 210 again.220 digital signals of being exported according to analog-digital converter 210 of primary processor are carried out speech recognition and the instruction of carrying out the user.Voice recognition unit 230 in the present embodiment is identical with above-mentioned Fig. 1, is all lower powered voice recognition chip, can be at mobile phone 200 to carry out speech recognition under the standby mode, reaches power saving and effect easily by this simultaneously.In addition, in another embodiment of the present invention, switch unit 212, preamplifier 214 and analog-digital converter 216 also can be integrated among the primary processor 220 according to design requirement, but are not in order to limit the scope of the invention.
The 3rd embodiment
On the other hand, the present invention proposes a kind of audio recognition method, is applicable to the hand-held device with another low-power voice recognition chip and a primary processor.Please refer to Fig. 3, Fig. 3 is according to the described audio recognition method flow chart of third embodiment of the invention.Present embodiment with the mobile phone be example as an illustration, this audio recognition method comprises the following steps.At first, in step S310, mobile phone is in running order, under the pattern of normal operation just.Then, in step S320, judge whether mobile phone enters standby mode, can enter standby mode (battery saving mode) when mobile phone does not receive user instruction in a Preset Time usually automatically to reduce power consumption.In addition, the user also can initiatively allow mobile phone enter standby mode, for example with liding machine during altogether the time or with the slip lid pushed home of slide phone.When judging that mobile phone enters standby mode, enter step S330, activation low-power voice recognition chip is to open easy speech identifying function.In the present embodiment, the low-power voice recognition chip only must be responsible for comparing received audio signal and whether meet preset audio signal and get final product, so power demand is lower.In other words, employed another low-power voice recognition chip of present embodiment only must be discerned the user and whether need start mobile phone, restarts primary processor then and carries out main speech identifying function.Therefore, the electric power of the required consumption of low-power voice recognition chip can reduce the electric power of the required consumption of speech identifying function far below primary processor.
Next, in step S340, primary processor can enter standby mode to reduce power consumption with mobile phone.Then, enter among the step S350, wait for a preset audio signal, when receiving the default audio signal of mobile phone (sound), then enter step S360, the activation primary processor.Then, enter step S370, primary processor can start complete speech identifying function, and instructs according to user's acoustic control and to carry out correlation function.Other details of above-mentioned audio recognition method please refer to the explanation of above-mentioned first and second embodiment, does not add tired stating at this.In addition, it should be noted that the preset audio signal that the low-power voice recognition chip can be discerned does not limit kind and quantity, can increase according to design requirement.
In sum, the present invention is because of setting up lower powered voice recognition chip in hand-held device, therefore under holding state, still can carry out speech recognition, allow the user must not use button can use the acoustic control function to come operating handset at any time, reach the effect of all the period of time acoustic control.Therefore, the present invention not only possesses the electricity consumption benefit under the battery saving mode, more significantly increases the convenience of user when using the acoustic control function.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (8)
1, a kind of hand-held device is characterized in that, this hand-held device comprises:
One primary processor;
One voice recognition unit is coupled to the arithmetic element of this primary processor, in order to discern a preset audio signal; And
One sound receiver is in order to be converted to sound one audio signal and to be sent to this primary processor or this voice recognition unit;
Wherein, when this primary processor was in a holding state, this voice recognition unit activation was with relatively this audio signal and this preset audio signal, if when this audio signal meets this preset audio signal then this primary processor of activation to carry out speech recognition.
2, hand-held device according to claim 1 is characterized in that, this hand-held device further comprises:
One preamplifier;
One switches the unit, is coupled between this sound receiver, this voice recognition unit and this preamplifier, and is controlled by this primary processor; And
One analog-digital converter is coupled between this primary processor and this preamplifier;
Wherein, when this primary processor was in this holding state, this switch unit was sent to this voice recognition unit with this audio signal, and when this primary processor activation, this switch unit is sent to this preamplifier with this audio signal.
3, hand-held device according to claim 1 is characterized in that, this voice recognition unit is a low-power voice recognition chip.
4, hand-held device according to claim 1 is characterized in that, this sound receiver is a microphone.
5, hand-held device according to claim 1 is characterized in that, this hand-held device is a mobile phone.
6, a kind of audio recognition method is applicable to hand-hold device, and this hand-held device comprises a low-power voice recognition chip and a primary processor, it is characterized in that, this audio recognition method comprises:
Wait for that this hand-held device enters a holding state;
This low-power voice recognition chip of activation;
Wait for a preset audio signal; And
When receiving this preset audio signal, this primary processor of activation is to carry out speech recognition.
7, audio recognition method according to claim 6 is characterized in that, when this hand-held device enters this holding state, this method further comprises makes this primary processor enter this holding state.
8, audio recognition method according to claim 6 is characterized in that, in the step of waiting for this preset audio signal, this method further comprises with this low-power voice recognition chip discerns this preset audio signal.
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| CNA2008100022984A CN101483683A (en) | 2008-01-08 | 2008-01-08 | Handhold apparatus and voice recognition method thereof |
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| CNA2008100022984A CN101483683A (en) | 2008-01-08 | 2008-01-08 | Handhold apparatus and voice recognition method thereof |
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| CN103021411A (en) * | 2012-11-27 | 2013-04-03 | 威盛电子股份有限公司 | Speech control device and speech control method |
| CN103150010A (en) * | 2011-08-05 | 2013-06-12 | 三星电子株式会社 | Method for controlling electronic device and electronic device utilizing the method |
| CN103677198A (en) * | 2012-09-03 | 2014-03-26 | 联想(北京)有限公司 | Electronic equipment control method and electronic equipment |
| CN103686962A (en) * | 2013-12-05 | 2014-03-26 | 深圳市中兴移动通信有限公司 | Low-power-consumption mobile terminal awakening method and device |
| CN103701981A (en) * | 2012-09-27 | 2014-04-02 | 中兴通讯股份有限公司 | Method and device for implementing voice recognition function |
| CN103888587A (en) * | 2012-12-19 | 2014-06-25 | 中国移动通信集团公司 | Terminal awakening method, DSP chip, and terminal |
| CN103901782A (en) * | 2012-12-25 | 2014-07-02 | 联想(北京)有限公司 | Sound control method, electronic device and sound control apparatus |
| CN104050973A (en) * | 2013-03-15 | 2014-09-17 | 英特尔公司 | Low power audio trigger via intermittent sampling |
| CN104219388A (en) * | 2014-08-28 | 2014-12-17 | 小米科技有限责任公司 | Voice control method and device |
| CN105723451A (en) * | 2013-12-20 | 2016-06-29 | 英特尔公司 | Transition from low power always listening mode to high power speech recognition mode |
| US9733895B2 (en) | 2011-08-05 | 2017-08-15 | Samsung Electronics Co., Ltd. | Method for controlling electronic apparatus based on voice recognition and motion recognition, and electronic apparatus applying the same |
| JP2018060207A (en) * | 2017-11-08 | 2018-04-12 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | Low power integrated circuit to analyze digitized audio stream |
| US10381007B2 (en) | 2011-12-07 | 2019-08-13 | Qualcomm Incorporated | Low power integrated circuit to analyze a digitized audio stream |
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| CN103150010A (en) * | 2011-08-05 | 2013-06-12 | 三星电子株式会社 | Method for controlling electronic device and electronic device utilizing the method |
| US9733895B2 (en) | 2011-08-05 | 2017-08-15 | Samsung Electronics Co., Ltd. | Method for controlling electronic apparatus based on voice recognition and motion recognition, and electronic apparatus applying the same |
| US11810569B2 (en) | 2011-12-07 | 2023-11-07 | Qualcomm Incorporated | Low power integrated circuit to analyze a digitized audio stream |
| US11069360B2 (en) | 2011-12-07 | 2021-07-20 | Qualcomm Incorporated | Low power integrated circuit to analyze a digitized audio stream |
| US10381007B2 (en) | 2011-12-07 | 2019-08-13 | Qualcomm Incorporated | Low power integrated circuit to analyze a digitized audio stream |
| CN103677198A (en) * | 2012-09-03 | 2014-03-26 | 联想(北京)有限公司 | Electronic equipment control method and electronic equipment |
| CN103701981A (en) * | 2012-09-27 | 2014-04-02 | 中兴通讯股份有限公司 | Method and device for implementing voice recognition function |
| CN103701981B (en) * | 2012-09-27 | 2016-05-25 | 中兴通讯股份有限公司 | A kind of method and device of realizing speech identifying function |
| US9153232B2 (en) | 2012-11-27 | 2015-10-06 | Via Technologies, Inc. | Voice control device and voice control method |
| CN103021411A (en) * | 2012-11-27 | 2013-04-03 | 威盛电子股份有限公司 | Speech control device and speech control method |
| TWI581180B (en) * | 2012-11-27 | 2017-05-01 | 威盛電子股份有限公司 | Voice-controlled device and voice control method |
| CN106981290A (en) * | 2012-11-27 | 2017-07-25 | 威盛电子股份有限公司 | Phonetic controller and sound control method |
| CN106981290B (en) * | 2012-11-27 | 2020-06-30 | 威盛电子股份有限公司 | Voice control device and voice control method |
| CN103888587B (en) * | 2012-12-19 | 2016-01-20 | 中国移动通信集团公司 | A kind of method, dsp chip and terminal waking terminal up |
| CN103888587A (en) * | 2012-12-19 | 2014-06-25 | 中国移动通信集团公司 | Terminal awakening method, DSP chip, and terminal |
| CN103901782A (en) * | 2012-12-25 | 2014-07-02 | 联想(北京)有限公司 | Sound control method, electronic device and sound control apparatus |
| CN104050973A (en) * | 2013-03-15 | 2014-09-17 | 英特尔公司 | Low power audio trigger via intermittent sampling |
| CN104050973B (en) * | 2013-03-15 | 2017-08-08 | 英特尔公司 | Via the low-power audio trigger of intermittent sampling |
| CN103686962A (en) * | 2013-12-05 | 2014-03-26 | 深圳市中兴移动通信有限公司 | Low-power-consumption mobile terminal awakening method and device |
| CN105723451A (en) * | 2013-12-20 | 2016-06-29 | 英特尔公司 | Transition from low power always listening mode to high power speech recognition mode |
| CN105723451B (en) * | 2013-12-20 | 2020-02-28 | 英特尔公司 | Transition from low power always-on listening mode to high power speech recognition mode |
| CN104219388B (en) * | 2014-08-28 | 2017-09-12 | 小米科技有限责任公司 | Sound control method and device |
| CN104219388A (en) * | 2014-08-28 | 2014-12-17 | 小米科技有限责任公司 | Voice control method and device |
| JP2018060207A (en) * | 2017-11-08 | 2018-04-12 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | Low power integrated circuit to analyze digitized audio stream |
| CN111369999A (en) * | 2020-03-12 | 2020-07-03 | 北京百度网讯科技有限公司 | Signal processing method and device and electronic equipment |
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Open date: 20090715 |