CN102026082A - Track self-adaptive method and device for sound producing device - Google Patents

Track self-adaptive method and device for sound producing device Download PDF

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Publication number
CN102026082A
CN102026082A CN2009100929888A CN200910092988A CN102026082A CN 102026082 A CN102026082 A CN 102026082A CN 2009100929888 A CN2009100929888 A CN 2009100929888A CN 200910092988 A CN200910092988 A CN 200910092988A CN 102026082 A CN102026082 A CN 102026082A
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China
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sound
producing
location information
physical location
sound channel
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CN2009100929888A
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Chinese (zh)
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CN102026082B (en
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赵谦
谭海防
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联想(北京)有限公司
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Abstract

The invention provides a track self-adaptive method for a sound producing device. The method comprises the following steps of: acquiring the physical position information of the sound producing device; comparing whether the physical position information of the sound producing device is consistent with the logic position information of a track contained in a track signal transmitted to the sound producing device; and if the comparing results are not consistent, switching the track signal to the other track signal, wherein the logic position information of the track, contained in the other track signal, is consistent with the physical position information of the sound producing device. The invention also provides a track self-adaptive device for the sound producing device. The invention realizes self adaption of the track, and can automatically provide better aural effect for users.

Description

The sound channel adaptive approach and the device that are used for sound-producing device

Technical field

The present invention relates to a kind of sound channel adaptive approach and device that is used for sound-producing device.

Background technology

At present, increasing people likes on portable players such as mobile phone, MP3 and MP4 and music appreciating and watch film and television on the notebook.The user can insert earphone or be connected external voice box when using notebook and portable player music appreciating and watching film and television.From early stage stereo 5.1 sound channels till now, the development of sound equipment provides better auditory perception to people.

At present, the left and right acoustic channels of notebook and portable player can be according to not placing the corresponding output of adjusting left and right acoustic channels about sound equipment, and this makes troubles to the user.Such as; for stereophone; about can marking above; but the user is when inserting ear with earphone; about regular meeting is regardless of; directly take up and just fill in ear, like this, will occur when seeing a film that automobile drives towards the right from the left side of screen and the sound heard is the situation of driving towards the left side from the right.

For external voice box also same problem can appear: physically signal be told about, but when the user really puts audio amplifier but might not by about put.

The appearance possible cause of above-mentioned situation be the user do not know about misplaced or the user not can carry out correct divide right and left placement, especially earphone to earphone or audio amplifier, the no one goes it about separately basically.

The problem that adapts to for the left and right acoustic channels that solves left and right sides earphone and audio amplifier and portable player and notebook, existing solution comprises: how to know earphone or audio amplifier are carried out about the correct user oneself that places of dividing right and left distinguishes, but this scheme impersonalityization is about the user seldom goes to divide.In addition, can not carry out the correct user who divides right and left and place to those to earphone or audio amplifier, can also adopt the feature of on the earphone of the left and right sides, adding obviously easily memory inform the user which be left earphone which be right earphone, but about this scheme needs user oneself to distinguish equally.

Therefore, need a kind of physical location information of recognition and sounding apparatus automatically, and the logical location information sound channel consistent with the physical location information of sound-producing device of the sound channel that comprised in the sound channel signal switched solution to this sound-producing device, can solve the problem in the above-mentioned correlation technique.

Summary of the invention

Technical problem to be solved by this invention provides a kind of sound channel adaptive approach and device that is used for sound-producing device, can automatically the sound channel of playback equipment be switched the sound-producing device to correspondence, so that the user to be provided better auditory perception.

For solving the problems of the technologies described above, according to an aspect of the present invention, provide a kind of sound channel adaptive approach that is used for sound-producing device, may further comprise the steps: the physical location information that obtains sound-producing device; Relatively whether the logical location information of the sound channel that is comprised in the physical location information of generating means and the sound channel signal that exports this sound-producing device to is consistent; And, sound channel signal is switched to another sound channel signal when comparative result when being inconsistent, wherein the logical location information of the sound channel that comprises of another sound channel signal is consistent with the physical location information of this sound-producing device.

Replacedly, in the step of the physical location information that obtains sound-producing device, obtain the physical location information of sound-producing device by microphone array.Preferably, receive the physical location information that obtains sound-producing device from the ultrasonic signal of sound-producing device by microphone array.

Replacedly, but can utilize recognition device to obtain the recognition feature of the sound-producing device that sets in advance, to determine the physical location information of sound-producing device.Preferably, but the recognition feature of described sound-producing device is shape or color characteristic.

Replacedly, can utilize the movable information that is arranged on the sound-producing device that acceleration transducer obtained in the sound-producing device physical location information as this sound-producing device.The acceleration transducer that utilization is arranged in the playback equipment obtains the logical location information of the physical location information of sound-producing device as this sound-producing device.Preferably, described acceleration transducer is a 3-axis acceleration sensor.

Replacedly, sound-producing device comprises earphone and audio amplifier.

According to another aspect of the present invention, provide a kind of sound channel self-reacting device that is used for sound-producing device, having comprised: position information acquisition module, obtain the physical location information of sound-producing device; Comparison module, relatively whether the physical location information of generating means is consistent with the logical location information of the sound channel that sound channel signal comprised that exports this sound-producing device to; And handover module, when comparative result when being inconsistent, sound channel signal is switched to another sound channel signal, wherein the logical location information of the sound channel that comprises of another sound channel signal is consistent with the physical location information of this sound-producing device.

The present invention has following beneficial effect:

By obtaining the physical location information of sound-producing device, and itself and the logical location information that exports the sound channel that sound channel signal comprised of this sound-producing device to compared, whether the logical location information of the sound channel that is comprised in the physical location information that can determine sound-producing device and the sound channel signal that exports it to is consistent, at comparative result when being inconsistent, sound channel signal is switched to another sound channel signal, wherein the logical location information of the sound channel that comprises of another sound channel signal is consistent with the physical location information of sound-producing device, thereby realized the sound channel self adaptation of sound-producing device, and improved the convenience of user's operation.

Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is the flow chart that is used for the sound channel adaptive approach of sound-producing device according to of the present invention;

Fig. 2 is the placement schematic diagram of 3-axis acceleration sensor according to one embodiment of the method for the invention;

Fig. 3 is the schematic diagram that is used for the sound channel self-reacting device of sound-producing device according to of the present invention.

Embodiment

Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.

Fig. 1 is a kind of sound channel adaptive approach flow chart that is used for sound-producing device according to the embodiment of the invention.Fig. 3 shows the sound channel self-reacting device 300 that is used for sound-producing device according to the present invention, is used to carry out method of the present invention shown in Figure 1.In conjunction with referring to Fig. 1 and Fig. 3, method of the present invention is described as follows:

At first, by position information acquisition module 30, obtain the physical location information (S100) of sound-producing device.The mode of determining the physical location information of sound-producing device will specifically describe hereinafter.

Then, by comparison module 31, the logical location information of the physical location information of generating means and the sound channel that signal comprised that exports this sound-producing device to whether consistent (S110) relatively.For example, if position information acquisition module 30 determines that sound-producing devices are positioned at the left position, whether the logical location information that then needs relatively to export to the sound channel that sound channel signal comprised of this sound-producing device is L channel.Analysis to other sound-producing devices also is like this.

According to comparative result,, optionally switch the output of sound channel by handover module 32.When comparative result was inconsistent (S120), handover module 32 switched, otherwise does not switch.For example, if position information acquisition module 30 determines that sound-producing device is positioned at the left position, and the logical location information that exports the sound channel that sound channel signal comprised of this sound-producing device to is a right-channel signals, the sound channel signal that then will export this sound-producing device to switches to the signal that logical location information is a L channel, make left channel signals output to be positioned at the sound-producing device of left, thereby realize logical location information consistent of the sound channel that comprised in the physical location information of sound-producing device and the sound channel signal accordingly.Can know, when unanimity (S130), just not need above-mentioned handoff procedure, promptly not deal with.

Below in conjunction with exemplary embodiment, the present invention is specifically described.

Embodiment 1

As playback equipment, be integrated with camera with notebook computer on the notebook computer, stereo set is an earphone.By but the lead-in wire of left and right sides earphone or left and right sides earphone is painted different colors as recognition feature, when notebook is play film or music, camera is taken the head portrait photo of a secondary user band earphone, can identify the earphone of which color in which direction from the head portrait photo of being taken.

When the physical location information of the left and right sides earphone that is identified and the logical location information of the sound channel that sound channel signal comprised of left and right sides earphone by painting the different colours defined are inconsistent, the output of just switching the left and right acoustic channels of notebook.For example, if the earphone that red lead wire connects is left earphone, the earphone that blue lead-in wire connects is a right earphone, and then under the normal condition, left channel signals outputs to the earphone place that red lead wire connects, and right-channel signals outputs to the earphone place that blue lead-in wire connects.If comparison module 31 judges that according to head portrait photo and earphone wire color earphone that red lead wire is connected is worn on user's auris dextra place, and the earphone that blue lead-in wire connects is worn on user's Zuo Erchu, thinks that then the physical location information of left and right sides earphone is inconsistent with the logical location information of the sound channel that sound channel signal comprised that is received by the left and right sides earphone of painting the different colours defined.

Under inconsistent situation, by handover module 32, left and right sound track signals is switched, thereby realized consistency.

Embodiment 2

Be that with previous embodiment 1 difference in the present embodiment, as playback equipment, be integrated with microphone array with notebook computer on the notebook computer, audio amplifier is as stereo set.

By a left side or signal of R channel sounding output of control notebook are given audio amplifier earlier; Audio amplifier receives described signal and with its broadcast, microphone array obtains the signal that audio amplifier plays and detects is for which side audio amplifier sounding, if when the logical location information of the sound channel that the audio amplifier positional information of the sounding that detects and the notebook sounding sound channel signal controlled are comprised is inconsistent.

Under inconsistent situation, switch the output of the left and right acoustic channels of notebook.

Embodiment 3

With previous embodiment 2 different places be, in the present embodiment, 5.1 the sound channel audio amplifier is as stereo set, it includes left front audio amplifier, left back audio amplifier, right front audio amplifier, left back audio amplifier, right back audio amplifier, just preposition audio amplifier and 6 audio amplifiers of Super Bass Loudspeaker Enclosure put put put put put.The DVD that supports the computer (notebook or desktop computer) of 5.1 sound channels output or support the output of 5.1 sound channels is as playback equipment

By 6 sound channels of controls playing equipment successively (left front, left back, right front, right back, just before and supper bass) signal of sounding output gives audio amplifier; Audio amplifier receives described signal and with its broadcast, microphone array obtains the signal of audio amplifier broadcast and detects the orientation (physical location information) of sounding audio amplifier, when if the sounding sound channel of the physical location information of accessed sounding audio amplifier and the playback equipment of being controlled is inconsistent, carry out the switching of sound channel, result's pairing of the sound channel of the logical location information of exporting decoding and detection outputs on the corresponding physical audio amplifier logic sound channel.

Embodiment 4

Be that with previous embodiment 1 and 2 differences as playback equipment, be integrated with microphone array with portable player on the portable player, earphone is as stereo set.

By a left side or signal of R channel sounding output of control portable player are given earphone earlier; Earphone receives described signal and with its broadcast; Microphone array obtains the signal of earphone broadcast and detects is for which side earphone sounding, when if the sound channel of the physical location information of the earphone of accessed sounding and the portable player of being controlled is inconsistent, the output of just switching the left and right acoustic channels of portable player.Preferably, for avoid occurring the smaller microphone array of sound that earphone sends may catch less than volume too conference user's ear is produced the situation of injury, can control earphone and send the unheard ultrasonic wave of user, volume also has no relations a little louder, and microphone array just can capture the acoustic information of earphone like this.

Embodiment 5

Be with embodiment 4 different places, with portable player 200 as playback equipment, earphone is as stereo set, 3-axis acceleration sensor SN1 is set on described portable player, and be not provided with 3-axis acceleration sensor SN2 and SN3 in two earphone portion of earphone, as shown in Figure 2.

Because two earphones are relative, then about 3-axis acceleration sensor SN2 in two earphones and the XYZ axle of SN3 must have one to be relative.For example, when the XYZ of the 3-axis acceleration sensor in portable player axle when being consistent with 3-axis acceleration sensor XYZ axle in the left earphone, then the 3-axis acceleration sensor XYZ axle with right earphone is relative.

Portable player 200 is made comparisons by receiving from the acceleration information of 3-axis acceleration sensor SN2 in the earphone of the left and right sides and SN3 output and the acceleration information of its inner 3-axis acceleration sensor SN1 output that is provided with, and can determine the physical location information of described two earphone portions.

If the physical location information of detected earphone is with the logical location information of left and right sides earphone by the acceleration transducer defined is set when inconsistent, the output of just switching the left and right acoustic channels of portable player.

Embodiment 5 can be summarized as follows: the data by the transducer in the playback equipment relatively and its receive from the data of the transducer of two earphones determine earphone about whether wear correctly.In order to make present embodiment clearer, two earphones are numbered respectively No. 1 and No. 2.In design process, its sensing data earphone consistent with the sensing data of player is set to left earphone in advance, and opposite is right earphone.For example, if No. 1 earphone inserts left ear; No. 2 earphone inserts right ear, wearing of this moment is correct, at this moment to receive the sensing data of No. 1 earphone in the left ear be consistent with the sensing data of playback equipment to playback equipment, and the sensing data of No. 2 earphones in the right ear is opposite with the sensing data of playback equipment, does not then need to switch.

If after two earphone transposings, promptly wear incorrect, No. 1 earphone inserts right ear, No. 2 earphone inserts left ear, and the sensing data that this moment, playback equipment received No. 2 earphones is consistent with the sensing data of playback equipment, and the sensing data of No. 1 earphone is opposite with the sensing data of playback equipment, is consistent owing to determining No. 2 with player, so No. 2 is left earphone, No. 1 is right earphone.Need switching signal.

Though in the application's specification, with notebook computer, desktop computer, portable player the present invention has been described as an example, but, playback equipment is not limited to this, but can comprise such as the various equipment that can carry out a plurality of sound channel outputs such as DVD player, MP3/MP4, VCD player.

Technical scheme of the present invention is by obtaining the physical location information of sound-producing device, and itself and the logical location information that sound channel signal comprised that exports this sound-producing device to compared, whether the physical location information that can determine sound-producing device is consistent with the logical location information of the sound channel that exports this sound-producing device to, at comparative result when being inconsistent, sound channel signal is switched to another sound channel signal, wherein the logical location information that comprises of another sound channel signal is consistent with the physical location information of sound-producing device, thereby realized the sound channel self adaptation of sound-producing device, and improved the convenience of user's operation.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a sound channel adaptive approach that is used for sound-producing device is characterized in that, may further comprise the steps:
Obtain the physical location information of sound-producing device;
Whether the physical location information of more described generating means is consistent with the logical location information of the sound channel that sound channel signal comprised that exports described sound-producing device to; And
When comparative result when being inconsistent, described sound channel signal is switched to another sound channel signal, the logical location information of the sound channel that described another sound channel signal comprises is consistent with the physical location information of described sound-producing device.
2. method according to claim 1 is characterized in that, the step of obtaining the physical location information of sound-producing device further may further comprise the steps:
Obtain the physical location information of described sound-producing device by microphone array.
3. method according to claim 2 is characterized in that, the step of obtaining the physical location information of sound-producing device further may further comprise the steps:
Receive the physical location information that obtains described sound-producing device from the ultrasonic signal of described sound-producing device by described microphone array.
4. method according to claim 1 is characterized in that, the step of obtaining the physical location information of sound-producing device further may further comprise the steps:
But the recognition feature of the described sound-producing device that utilizes recognition device to obtain to set in advance is to determine the physical location information of described sound-producing device.
5. method according to claim 4 is characterized in that, but the recognition feature of described sound-producing device is shape or color characteristic.
6. method according to claim 1 is characterized in that, the described step of obtaining the physical location information of sound-producing device further may further comprise the steps:
Utilization is arranged on the physical location information of the movable information of the described sound-producing device that acceleration transducer obtained in the described sound-producing device as described sound-producing device.
7. method according to claim 6 is characterized in that, and is further comprising the steps of:
The acceleration transducer that utilization is arranged in the described playback equipment obtains the logical location information of the physical location information of described sound-producing device as described sound-producing device.
8. according to each described method in the claim 1 to 7, it is characterized in that described sound-producing device comprises earphone and audio amplifier.
9. according to claim 6 or 7 described methods, it is characterized in that described acceleration transducer is a 3-axis acceleration sensor.
10. a sound channel self-reacting device that is used for sound-producing device is characterized in that, comprising:
Position information acquisition module is obtained the physical location information of sound-producing device;
Whether the logical location information of the sound channel that is comprised in the comparison module, the physical location information of more described generating means and the sound channel signal that exports described sound-producing device to is consistent; And
Handover module when comparative result when being inconsistent, switches to another sound channel signal with described sound channel signal, and the logical location information of the sound channel that described another sound channel signal comprises is consistent with the physical location information of described sound-producing device.
CN200910092988.8A 2009-09-21 2009-09-21 Track self-adaptive method and device for sound producing device CN102026082B (en)

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CN106445457A (en) * 2016-09-29 2017-02-22 宇龙计算机通信科技(深圳)有限公司 Headphone sound channel switching method and device
CN106303836B (en) * 2016-11-15 2019-10-01 广东小天才科技有限公司 A kind of method and device adjusting played in stereo
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