CN102118665A - Automatic tuning device and method and multimedia player - Google Patents

Automatic tuning device and method and multimedia player Download PDF

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Publication number
CN102118665A
CN102118665A CN 200910243150 CN200910243150A CN102118665A CN 102118665 A CN102118665 A CN 102118665A CN 200910243150 CN200910243150 CN 200910243150 CN 200910243150 A CN200910243150 A CN 200910243150A CN 102118665 A CN102118665 A CN 102118665A
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module
volume
noise
audio
decibels
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CN 200910243150
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Chinese (zh)
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路呈璋
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北京华旗随身数码股份有限公司
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Abstract

The invention relates to an automatic tuning device which comprises an audio input module, a volume control module and an audio output module, wherein the volume control module is connected with the audio input module; and the audio output module is connected with the volume control module. The automatic tuning device also comprises a noise detection module, a volume constant input module and a volume setting module which is connected with the noise detection module and the audio input module. The invention also relates to an automatic tuning method and a multimedia player, wherein the multimedia player comprises the automatic tuning device. Through the invention, the function of automatically adjusting the volume according to the noise decibels of different environments is realized without needing a user to manually adjust the volume time after time, thus the automatic tuning device is convenient to use and enables the user to better enjoy audio files such as music and the like.

Description

自动调音装置、方法及多媒体播放器 Automatic tuning apparatus, method, and a multimedia player

【所属技术领域】 [Skilled]

[0001] 本发明涉及便携式电子设备领域,特别地涉及一种自动调音装置、方法及多媒体播放器。 [0001] The present invention relates to the field of portable electronic devices, and particularly relates to an automatic tuning device, method, and a multimedia player.

【背景技术】 【Background technique】

[0002]目前,便携式电子设备的种类越来越多,尤其是便携式多媒体播放器的种类越来越多,应用也越来越广泛。 [0002] At present, the type of portable electronic devices more and more, especially the kind of portable multimedia players, more and more applications are increasingly widespread. 为了在不同的场景中能够听到音频文件,所使用的音频播放硬件也越来越多,例如耳机、听筒、外放扬声器、音响等。 In order to be able to hear different scenarios audio files, audio playback hardware is used more and more, such as headphones, an earpiece, loud speakers, audio. 但是每种多媒体播放器的音频播放硬件都需要人为的进行音量调节,不管在什么环境中,只要用户不调节音量,则该等便携式电子播放装置上的音量就保持不变。 But each multimedia player audio playback hardware requires artificial volume adjustment, no matter what the environment, as long as the user does not adjust the volume, then such volume on the portable electronic playback device remains unchanged. 由于人们所处的环境经常都在发生变化,例如休闲产所内、 车站或者公交上等场所,根据环境的嘈杂度不同,人们通常要通过手动的方式调节音量的大小。 Because people are constantly change the environment in the event of, for example, in the production of leisure, bus station or superior properties annoyance different environment, people often want to adjust the size of the volume by manually. 这样用户不得不总是不厌其烦的通过手动的方式调节到合适的音量,即麻烦又影响了用户的音乐体验。 So that users always have trouble adjusting to the appropriate volume by manually, that is cumbersome and affects the user's music experience.

【发明内容】 [SUMMARY]

[0003] 本发明所要解决的技术问题是提供一种自动调音装置、方法及多媒体播放器,达到了根据外部环境自动调节音量的目的。 [0003] The present invention solves the technical problem of providing an automatic tuning device, a multimedia player and a method to achieve the purpose of automatically adjusting the volume according to the external environment.

[0004] 为解决以上技术问题,本发明是采用以下技术方案来实现的:一种自动调音装置, 其包括音频输入模块、与音频输入模块连接的音量控制模块及与音量控制模块连接的音频输出模块,该自动调音装置还包括噪声检测模块、音量常量输入模块,以及与噪声检测模块和音频输入模块连接的音量设置模块;所述音频输入模块用于对输入的音源信号进行处理,确定音源的分贝数;所述噪声输入模块用于对输入的噪声信号进行处理,确定噪声的分贝数;所述音量常量输入模块用于向音量设置模块输入音量调节常量;所述音量设置模块根据音源的分贝数、噪声的分贝数及音量常量输入模块所输入的音量调节常量,确定当前音源的音量,并将该信号发送给音量控制模块,音量控制模块根据音量设置模块所确定的当前音源的音量对音频输入模块所输入的音频 [0004] To solve the above technical problem, the present invention adopts the following technical solution to achieve: an automatic tuning device that includes an audio audio input module, and a volume control module and an audio input module is connected to the volume control module connected an output module, the self-tuning means further comprises a noise detector module, an input module constant volume, and volume setting module connected to the noise detection module and an audio input module; the audio input module is configured to process audio signals inputted, determination sound source in decibels; the noise input means for the input of the noise signal is processed to determine the noise in decibels; the input module for inputting a constant volume to adjust the volume to a constant volume setting module; according to the audio volume setting module volume decibel noise decibels and volume constant input module input tuning constants, determining the volume of the current source, and transmits the signal to the volume control module, a volume of the current source is determined by a volume control module according to the volume setting module audio input audio input module 号进行处理,按照确定的当前音源的音量通过音频输出模块将音频信号输出。 No. processed in accordance with the volume of the current source is determined by the audio output module outputs an audio signal.

[0005] 该自动调音装置还包括与噪声检测模块连接的采样时间常量输入模块,该采样时间常量输入模块用于向噪声检测模块输入采样时间常量。 [0005] The automatic tuning apparatus further comprises a sample input module is connected to the time constant noise detection module, the sample input module for inputting a time constant sampling time constant to the noise detection module.

[0006] 所述采样时间常量输入模块内存储有不同的采样时间常量,供用户选择采样时间常量。 [0006] The time constant sampling input module stores a different sampling time constant, for the user to select the sampling time constant.

[0007] 所述噪声采样检测模块包括噪声解码模块及噪声功率检测模块,所述采样时间常量输入模块与所述噪声功率检测模块相连接;所述噪声解码模块用于对接收到的噪声信号进行解码生成统一格式的编码数据;所述噪声功率检测模块选取一段时间内的所述编码数据所对应的音频信号幅值进行采样,确定当前噪声的分贝数。 [0007] The noise sampling detector module comprises a noise decoding module and the noise power detection module, the sampling time constant input power module and the detection module is connected to the noise; noise signal of the noise decoding for the received block decoding the coded data to generate a unified format; the noise power detection module choose the audio signal amplitude of the encoded data within a period of time corresponding to the sampling, the current noise to determine number of decibels.

[0008] 所述音频输入模块包括音频解码模块及音源功率检测模块;所述音频解码模块用于将音源信号解码成统一格式的音频编码数据;所述音源功率检测模块用于根据所述解码后的音频编码数据所对应的音频信号幅值进行采样确定当前音源的分贝数。 [0008] The audio input module includes an audio decoding module and a detection module power source; the audio decoding module configured to decode audio signals encoded audio data into a uniform format; means for detecting the power source based on the decoded the encoded audio data corresponding to the audio signal is sampled to determine the current amplitude of the sound source in decibels.

[0009] 其还包括与所述音频输入模块及噪声检测模块相连接的音量比对模块,所述音量设置模块经音量比对模块与所述音频输入模块及噪声检测模块相连接;所述音量比对模块用于获取音源的分贝数及噪声的分贝数,并且对这两个分贝数进行比对,计算出音源分贝数与噪声分贝数的差值,并将该差值发送给音量设置模块。 [0009] further include a volume of the audio input and noise detection module connected to the module alignment module, the module is disposed a volume ratio of the volume of the audio module and the input module and a detection module connected to the noise; the volume comparing means for obtaining the sound source in decibels and the noise in decibels, dB, and the two numbers are aligned, the difference between the calculated and the number of sound source in decibels dB noise, and transmits the difference to the sound volume setting module .

[0010] 本发明还可采用以下第二种技术方案来实现:一种多媒体播放器,其内设有中央处理单元及音频信号输出装置,该多媒体播放器包本发明的自动调音装置。 [0010] The present invention may also be employed to achieve the second aspect: a multimedia player, which is equipped with a central processing unit and the audio signal output device, the multimedia player an automatic tuning device package according to the present invention.

[0011] 所述自动调音装置与多媒体播放器内的中央处理器相连接;所述自动调音装置的音频输出模块即为多媒体的音频信号输出装置;所述自动调音装置的音量控制模块通过多媒体播放器的中央处理器执行调节音源的音量的命令。 [0011] The automatic tuning means and central processor in the media player is connected; an audio output module of the automatic tuning apparatus is the audio signal output device of the multimedia; volume control module of the automatic tuning apparatus multimedia player through the CPU of the volume adjustment command execution source.

[0012] 本发明还可采用以下第三种技术方案来实现:一种自动调音方法,其特征在于,包括以下方法: [0012] The present invention may also be employed to achieve the third aspect: an automatic tuning method comprising the following method:

[0013] A.预先设定采样时间常量,调节自动调音装置的调音灵敏度; [0013] A. a preset constant sampling time, adjusting the tuning sensitivity of the automatic tuning apparatus;

[0014] B.预先设定音量调节常量; [0014] B. a preset constant volume adjustment;

[0015] C.获取音源的分贝数与噪声的分贝数,计算出音源分贝数与噪声分贝数之差; [0015] C. acquired decibel number of decibels of noise source, calculates the difference to the number of sound source in decibels dB noise;

[0016] D.判断音源分贝数与噪声分贝数之差是否等于音量调节常量,如果相等,则根据当前分贝数将音源信号输出;如果不相等,则调节音源的音量,直至音源分贝数与噪声分贝数之差等于音量调节常量,按照调节后的音量将音源信号输出。 [0016] D. Number and the difference between the noise source is determined decibels dB is equal to the volume control constant if equal, the audio signal output according to the current number of decibels; if not equal, the source volume is adjusted until the noise source decibels dB difference in the number of adjustment equal to the constant volume, the volume adjusted according to the output audio signal.

[0017] 所述方法C及方法D用以下方法E替换:获取噪声分贝数,确定输出音源信号分贝数等于噪声分贝数与音量调节常量之和,并以确定后的分贝数将音源信号输出。 The [0017] Method C and Method D E replaced by the following methods: obtain the number of decibels of noise, determining an output audio signal in decibels equal to the noise in decibels and the constants and volume control, and to determine the decibel output of the audio signal.

[0018] 所述步骤C或者步骤E中是通过以下方式获取噪声分贝数的:对接收到的噪声信号进行解码生成统一格式的编码数据,根据预先设定的采样时间常量,选取该段时间内的编码数据所对应的音频信号幅值进行采样,确定当前噪声的分贝数。 [0018] The step C or step E is the number of the noise db acquired by: the received noise signal decoding encoded data generated in a uniform format, according to the sampling time constant set in advance, select the time period the coded data corresponding to the amplitude of the audio signal is sampled to determine the current number of decibels of noise.

[0019] 本发明的自动调音装置、方法及多媒体播放器有下列优点: [0019] The automatic tuning apparatus according to the present invention, a multimedia player and a method has the following advantages:

[0020] 通过本发明的自动调音装置,用户无需根据不同的外部环境多次的进行手动调音,特别是在环境拥挤的情况下,进行自动调音,使用方便,而且用户可以根据自己的喜好或者不同的环境状况,预先设置自动调音装置的灵敏度,避免出现短时间的噪声时就进行调音,例如出现突然的呼叫时,自动调音装置可根据用户输入的采集时间常量,不进行调音操作。 [0020] by the automatic tuning apparatus of the present invention, a user without depending on the external environment of multiple manual tuning, especially in crowded environments, the automatic tuning, easy to use, and users according to their different environmental conditions or the like, when the pre-set automatic sensitivity of the tuning device, to avoid a short time period to tune the noise occurs, such as a sudden call, the automatic tuning apparatus according to acquisition time constant may be input by the user, without tuning operation. 另外,自动调音装置的开关可供用户选择开启或者关闭自动调音功能,使用方式灵活,适用于不同的用户。 Further, the switch for the user to select the automatic tuning apparatus to open or close the automatic tuning function, using flexible for different users.

【附图说明】 BRIEF DESCRIPTION

[0021] 图1为本发明的自动调音装置的第一种实施例的结构框图。 The first structural block diagram of an automatic tuning apparatus of the present invention [0021] FIG 1 embodiment.

[0022] 图2为本发明的自动调音装置的第二种实施例的结构框图。 A block diagram of a second embodiment of the automatic tuning apparatus of the present invention [0022] FIG. 2 embodiment.

[0023] 图3为本发明的自动调音的方法流程图。 [0023] FIG. 3 is a self-tuning flowchart of a method invention.

【具体实施方式】 【detailed description】

[0024] 为更进一步阐述本发明为达成预定目的所采取的技术手段及功效,以下结合附图及较佳实施例,对依据本发明提出的一种自动调音装置、方法及多媒体播放器的具体实施方式、结构、特征及其功效,详细说明如后。 [0024] To further elaborate the technical means and effects the present invention is to achieve the intended purpose adopted, the following preferred embodiments and the accompanying drawings, of an automatic tuning apparatus according to the present invention proposed a method and a multimedia player dETAILED embodiment, the structure, characteristics and efficacy, as will be described in detail.

[0025] 请参阅图1所示,是本发明自动调音装置的第一种实施例的结构框图,该自动调音装置包括音频输入模块10、噪声检测模块11、与音频输入模块10及噪声检测模块11分别连接的音量比对模块13、与噪声检测模块11连接的采样时间常量输入模块12、与音量比对模块13连接的音量设置模块14、与音量设置模块14连接的音量常量输入模块15和音量控制模块17,以及与音量控制模块17连接的音量输入模块16和音频输出模块18。 [0025] Referring to FIG. 1 is a block diagram showing a first embodiment of the automatic tuning apparatus of the present invention, the automatic tuning means comprises an audio input module 10, a noise detection module 11, the audio input module 10 and noise volume detector module 11 are connected to the comparison module 13, the sampling time constant input modules noise detection module 11 is connected to 12, and volume 14, the volume setting comparison module volume setting module 13 is connected to the module 14 volume constant input connected modules 15 and the volume control module 17, and means 17 connected to the volume input module 16 and output module 18 and audio volume control.

[0026] 所述音频输入模块10用于对输入的音源信号进行处理,其包括音频解码模块101 及音源功率检测模块102,其中,所述音频解码模块101用于将音源信号解码成统一格式的音频编码文件,所述音源功率检测模块102用于根据所述解码后的音频编码文件所对应的音频信号幅值进行采样确定当前音源的分贝数。 [0026] The audio input module 10 for processing an input audio signal, which includes an audio decoding module 101 and the power source detecting block 102, wherein the audio decoding module 101 for decoding the audio signal into a unified format audio encoding file, the detection module 102 is the power source for sampling an audio file encoding the decoded audio signal corresponding to the magnitude of the current source determine the number of decibels.

[0027] 所述噪声检测模块11用于对接收到的外部噪声进行处理,具体地,其包括噪声解码模块110及噪声功率检测模块111,噪声解码模块110用于对接收到的噪声信号进行解码生成统一格式的编码数据,所述噪声功率检测模块111选取一段时间内的编码数据所对应的音频信号幅值进行采样,确定当前噪声的分贝数。 [0027] The noise detection module 11 for external noise received is processed, in particular, a decoding module 110 which includes a noise and the noise power detection module 111, decoding module 110 for noise received noise signal decoding generating unified format encoded data, the noise power detection module 111 to select encoded data of the audio signal amplitude within a period of time corresponding to the sampling, determines the current noise in decibels.

[0028] 所述采样时间常量输入模块12用于向噪声检测模块11输入采样时间常量,控制噪声信号每次采样的时间段,其内存储有不同的采样时间常量,供用户选择采样时间常量, 即用户可以预先设置自动调音装置的调音灵敏度,例如用户希望在出现短时间的噪声时不需要进行自动调音,则可以选择采样时间常量较大的数值,如果希望提高自动调音装置的灵敏度,就选择数值较小的采样时间常量,这样通过用户的自由选择,可以根据用户的不同喜好进行调音,同时可以防止突然出现短时间的噪声时,就进行音量调节,影响用户欣赏音乐ο [0028] The time constant of the sampling input module 12 for inputting the sampling time constant to the noise detection module 11, the noise control signal of each sampling period, which is stored within the different sampling time constant, for the user to select the sampling time constant, That user may set the sensitivity of automatic tuning of the tuning device, such as a user need not be desirable to automatically tuning the noise occurs in a short time period, the sampling time constant can be selected larger value, if you want to improve the automatic tuning apparatus sensitivity, selecting a small value to a constant sampling time, so that can be freely selected by the user depending on the preferences of the user console, while preventing a short time period noise suddenly appeared, volume adjustment, affecting the user listen to music ο

[0029] 所述音量比对模块13用于获取音源的分贝数及噪声的分贝数,并且对这两个分贝数进行比对,计算出音源分贝数与噪声分贝数的差值,并将该差值发送给音量设置模块15。 [0029] The volume ratio of the module 13 for obtaining the sound source in decibels and the noise in decibels, dB, and the two numbers are aligned, the difference between the calculated and the number of sound source in decibels dB noise, and the a difference module 15 to a volume setting.

[0030] 所述音量常量输入模块15内存储有不同数值的音量调节常量值,用户可以根据个人需求输入音量调节常量值; [0030] The constant volume of the input module 15 stores different values ​​of volume adjustment constant value, the user may enter the volume adjustment constant value according to individual needs;

[0031] 所述音量设置模块获取音量调节常量值后与获取的分贝数差值进行比对,确定该分贝差值与音量调节常量是否相等,如果相等则停止调节当前音源的音量,如果不相等,则向音量控制模块17发送调节音源音量的信息。 [0031] The volume setting acquisition module for comparison with the volume adjustment constant value difference between the number of acquired decibels, dB determines that the difference is equal to the constant volume adjustment, if the adjustment is equal to the volume of the current source is stopped, if not equal , the volume control module 17 transmits the adjustment information source volume.

[0032] 所述音量控制模块17用于调节当前音源的音量,当其接收到音量设置模块14所确定的当前音量值后,对音频输入模块10所输入的音频信息进行调节,直至分贝差值等于 [0032] The volume control module 17 for adjusting the volume of the current source, and when it is received after the current volume setting module 14 determined volume value, the audio information input audio input module 10 is adjusted until the difference in decibels equal

音量常量输入值。 Constant input value volume.

[0033] 所述音频输出模块18将音量控制模块17发送的音频信号播放出去;如果用户关闭了自动调音功能,则用户通过音量输入模块直接选择希望的音量值。 [0033] The audio output module 18 the volume control module 17 displays the audio signal sent out; if the user closes the automatic tuning function, the user selects a desired volume value level input module directly.

[0034] 如图2所示,为本发明的第二实施例的结构框图,该实施例中的自动调音装置包括音频输入模块10'、噪声检测模块11'、采样时间常量输入模块12'、音量设置模块'、音量常量输入模块15'、音量控制模块17'、音量输入模块16'及音频输出模块18'。 [0034] The block diagram of the second embodiment shown in Figure 2, the present invention, the automatic tuning apparatus comprises an audio input module 10 ', the noise detection module 11' of the embodiment, time constant sampling input module 12 ' , volume setting module ', volume constant input module 15', a volume control module 17 ', the volume of the input module 16' and the audio output module 18 '. 其中,音量设置模块14'与音频输入模块10'及噪声检测模块11'分别连接;噪声检测模块11'与采样时间常量输入模块12'连接;音量常量输入模块15'与音量设置模块14'相连接;音量设置模块14'经音量控制模块17'与音频输出模块18'连接。 Wherein the volume setting module 14 'and the audio input module 10', and a noise detection module 11 'is connected; noise detection module 11' and the sampling time constant input module 12 'is connected; volume constant input module 15' and the volume setting module 14 'with connection; volume setting module 14 'via the volume control module 17' and the audio output module 18 'is connected.

[0035] 具体地,所述音频输入模块10,包括音频解码模块101,及音源功率检测模块102,; 所述噪声检测模块11包括噪声解码模块110'及噪声功率检测模块111' ;音源信号通过音频输入模块10'的处理后输入至音量设置模块14',噪声检测模块11将获取到的外部噪声经处理采样后发送至音量设置模块14',音量设置模块14'根据获取的音源信号与噪声信号确定出音源信号及噪声信号的分贝数,并根据音量常量输入模块输入的音量调节常量计算出当前音源分贝数,使得当前音源分贝数等于噪声分贝数与音量调节常量之和,并将计算结果发送至音量控制模块17';音量控制模块17'根据计算结果调节当前音源的音量。 [0035] Specifically, the audio input module 10, includes an audio decoding module 101, detector module 102 and the power source ,; said noise detection module 11 includes a noise decoding module 110 'and the noise power detection module 111'; excitation signal audio input module 10 'after the process is input to the volume setting module 14', the noise detection module 11 sends to the volume setting module after obtaining the external noise by processing the samples 14 ', the volume setting module 14' audio signal acquired noise according excitation signal is determined in decibels signal and a noise signal, and adjusting the constant current source in decibels is calculated according to the volume of the constant volume of the input module inputs, such that the current source decibel noise in decibels is equal to the sum of the constant volume adjustment, and the calculation result a volume control module 17 to the transmission '; volume control module 17' to adjust the volume of the current source according to the results. 用户可以根据需求调节采样时间常量输入模块12',控制自动调音装置的灵敏度。 The user can adjust the time constant demand sampling input module 12 ', the control sensitivity of the automatic tuning apparatus. 如果关闭自动调音装置的自动调音功能,用户可以通过音量输入模块16'输入音量值,音量控制模块16'将接收到的音频信号的音量值调节到用户输入的音量值,通过音频输出模块输出。 If automatic tuning device for an automatic tuning function, the user can 'input volume value, a volume control module 16' by the volume of the input module 16 receives the value of the volume of the audio signal is adjusted to the volume value input by the user through the audio output module output.

[0036] 以下介绍本发明的音量自动调节装置进行调音的方法,其主要包括以下步骤: [0036] The following describes the present invention automatically adjusting the volume of the device tuning method which includes the following steps:

[0037] A.预先设定采样时间常量,调节自动调音装置的调音灵敏度; [0037] A. a preset constant sampling time, adjusting the tuning sensitivity of the automatic tuning apparatus;

[0038] B.预先设定音量调节常量; [0038] B. a preset constant volume adjustment;

[0039] C.获取音源的分贝数与噪声的分贝数,计算出音源分贝数与噪声分贝数之差; [0039] C. acquired decibel number of decibels of noise source, calculates the difference to the number of sound source in decibels dB noise;

[0040] D.判断音源分贝数与噪声分贝数之差是否等于音量调节常量,如果相等,则根据当前分贝数将音源信号输出;如果不相等,则调节音源的音量,直至音源分贝数与噪声分贝数之差等于音量调节常量,按照调节后的音量将音源信号输出。 [0040] D. Number and the difference between the noise source is determined decibels dB is equal to the volume control constant if equal, the audio signal output according to the current number of decibels; if not equal, the source volume is adjusted until the noise source decibels dB difference in the number of adjustment equal to the constant volume, the volume adjusted according to the output audio signal.

[0041] 所述步骤C及步骤D可以用以下方法替换:获取噪声分贝数,确定输出音源信号分贝数等于噪声分贝数与音量调节常量之和,并以确定后的分贝数将音源信号输出。 [0041] Step C and Step D may be replaced by the following methods: obtain the number of decibels of noise, determining an output audio signal in decibels equal to the noise in decibels and the constants and volume control, and to determine the decibel output of the audio signal.

[0042] 所述步骤C中是通过以下方式获取噪声分贝数的:对接收到的噪声信号进行解码生成统一格式的编码数据,根据预先设定的采样时间常量,选取该段时间内的编码数据所对应的音频信号幅值进行采样,确定当前噪声的分贝数。 [0042] The step C is to obtain the number of decibels of noise by: the received noise signal decoding encoded data generated in a uniform format, in accordance with a predetermined sampling time constants, select the data encoded within the period of time corresponding to the audio signal amplitude is sampled to determine the current number of decibels of noise.

[0043] 本发明中的自动调音装置设于多媒体播放器内,并且与多媒体播放器内的中央处理器相连接,所述自动调音装置的音频输出模块即为多媒体的输出装置;所述自动调音装置的音量控制模块通过多媒体播放器的中央处理器执行调节音源的音量的命令。 [0043] In the automatic tuning apparatus of the present invention is provided in the multimedia player, and is connected to the central processor in the multimedia player, the audio output module of the automatic tuning apparatus is the multimedia output devices; the automatic tuning apparatus volume control module through the CPU multimedia player volume adjustment command execution source. 用户可以根据自己需求打开自动调音功能或者关闭自动调音功能,并可以设定自动调音功能的灵敏度;用户若关闭自动调音功能后,通过音量输入模块自行设置音量高低。 The user can open the automatic tuning function according to their own needs or off the automatic tuning function, and can set the sensitivity of the automatic tuning function; if the user turn off the automatic tuning function, the input module by the volume set their own volume level. 所述的音量常量输入模块及采样时间常量输入模块内分别由厂家设置的默认常量值,在用户没有选定的情况下,使用该默认常量值。 The constant volume of the input module and the default constant value input modules each sampling time constant provided by the manufacturer, in the case where the user has not selected, using the default constant value. 应当理解的是,本发明的自动调音装置不限于应用到多媒体播放器内,也可以应用到手机等移动终端装置内。 It should be understood, the automatic tuning apparatus of the present invention is not limited to the multimedia player application, may be applied to the mobile phones and other mobile terminal devices.

[0044] 以上仅对本发明的实施例加以描述,但并非用以限制本发明,依本发明精神所做出的各种变化或修饰,都在本发明的权利要求的保护范畴之内。 [0044] The above embodiments only be described embodiments of the present invention, but not intended to limit the present invention, various changes or modifications made under this spirit of the invention are within the scope of protection of the present invention as claimed in claims.

Claims (11)

  1. 1. 一种自动调音装置,其包括音频输入模块、与音频输入模块连接的音量控制模块及与音量控制模块连接的音频输出模块,其特征在于:该自动调音装置还包括噪声检测模块、 音量常量输入模块,以及与噪声检测模块和音频输入模块连接的音量设置模块;所述音频输入模块用于对输入的音源信号进行处理,确定音源的分贝数;所述噪声输入模块用于对输入的噪声信号进行处理,确定噪声的分贝数;所述音量常量输入模块用于向音量设置模块输入音量调节常量;所述音量设置模块根据音源的分贝数、噪声的分贝数及音量常量输入模块所输入的音量调节常量,确定当前音源的音量,并将该信号发送给音量控制模块,音量控制模块根据音量设置模块所确定的当前音源的音量对音频输入模块所输入的音频信号进行处理,按照确定的当前音源的音量通过音频 An automatic tuning device that includes an audio input module, the volume of the audio input modules connected to a control module and an audio output module connected to the volume control, wherein: the automatic tuning apparatus further comprises a noise detector module, constant volume input module, and volume setting module connected to the noise detection module and an audio input module; the audio input means for the input sound source signal is processed to determine the number of sound source in decibels; the noise input means for the input the noise signals are processed to determine the noise in decibels; the input module for inputting a constant volume to adjust the volume to a constant volume setting module; module in accordance with the volume setting and volume constant decibel decibels source of the input module, the noise adjusting the input level constant, determines the volume of the current source, and transmits the signal to the volume control module, a volume control module processes the audio signal input by the audio input module according to the volume of the current source is determined by the volume setting module, according to the determined the volume of the current source through the audio 输出模块将音频信号输出。 The output module outputs the audio signal.
  2. 2.根据权利要求1所述的自动调音装置,其特征在于:该自动调音装置还包括与噪声检测模块连接的采样时间常量输入模块,该采样时间常量输入模块用于向噪声检测模块输入采样时间常量。 The automatic tuning apparatus according to claim 1, wherein: the automatic tuning apparatus further comprises a sample input module is connected to the time constant noise detection module, the sampling time constant input module for inputting the noise detection module sampling time constant.
  3. 3.根据权利要求2所述的自动调音装置,其特征在于:所述采样时间常量输入模块内存储有不同的采样时间常量,供用户选择采样时间常量。 The automatic tuning apparatus according to claim 2, wherein: said sampling means for storing an input time constant of different sampling time constant, for the user to select the sampling time constant.
  4. 4.根据权利要求3所述的自动调音装置,其特征在于:所述噪声采样检测模块包括噪声解码模块及噪声功率检测模块,所述采样时间常量输入模块与所述噪声功率检测模块相连接;所述噪声解码模块用于对接收到的噪声信号进行解码生成统一格式的编码数据;所述噪声功率检测模块选取一段时间内的所述编码数据所对应的音频信号幅值进行采样,确定当前噪声的分贝数。 4. The automatic tuning apparatus according to claim 3, wherein: said noise sampling detector module comprises a noise decoding module and the noise power detection module, the sampling time constant input power module and the detection module is connected to the noise ; means for decoding said noise received noise signal decoding encoded data to generate a unified format; the noise power detection module choose the audio signal amplitude of the encoded data within a period of time corresponding to the sampling, determines the current decibel noise.
  5. 5.根据权利要求1所述的自动调音装置,其特征在于:所述音频输入模块包括音频解码模块及音源功率检测模块;所述音频解码模块用于将音源信号解码成统一格式的音频编码数据;所述音源功率检测模块用于根据所述解码后的音频编码数据所对应的音频信号幅值进行采样确定当前音源的分贝数。 The automatic tuning apparatus according to claim 1, wherein: the audio input audio decoding module comprises a module power source and the detection module; the audio decoding module configured to decode the audio signal into a unified audio coding format transactions; the power source detecting means for determining a current sampling sound source in decibels according encoded audio data corresponding to the decoded audio signal amplitude.
  6. 6.根据权利要求1所述的自动调音装置,其特征在于:其还包括与所述音频输入模块及噪声检测模块相连接的音量比对模块,所述音量设置模块经音量比对模块与所述音频输入模块及噪声检测模块相连接;所述音量比对模块用于获取音源的分贝数及噪声的分贝数,并且对这两个分贝数进行比对,计算出音源分贝数与噪声分贝数的差值,并将该差值发送给音量设置模块。 6. The automatic tuning apparatus according to claim 1, characterized in that: further including a volume of the audio input and noise detection module connected to the module alignment module, the volume ratio of the volume of the module is provided with the module the audio input module and a detection module connected to the noise; the volume ratio of the number of modules and the number of decibels dB acquired for the noise source, and the two decibel level for comparison, and the calculated noise sound source in decibels dB number difference, and the difference to a volume setting module.
  7. 7. 一种多媒体播放器,其内设有中央处理单元及音频信号输出装置,其特征在于:该多媒体播放器包括权利要求1至6任意项所述的自动调音装置。 A multimedia player, which is equipped with a central processing unit and the audio signal output device, wherein: the multimedia player comprises an automatic tuning device 1-6 according to any of claims.
  8. 8.根据权利要求7所述的自动调音装置,其特征在于:所述自动调音装置与多媒体播放器内的中央处理器相连接;所述自动调音装置的音频输出模块即为多媒体的音频信号输出装置;所述自动调音装置的音量控制模块通过多媒体播放器的中央处理器执行调节音源的音量的命令。 The automatic tuning apparatus according to claim 7, wherein: said automatic tuning device is connected to the central processor in the multimedia player; an audio output module of the automatic tuning apparatus is the Multimedia audio signal output device; volume of the automatic tuning device control module of the source volume adjustment command through the CPU multimedia player.
  9. 9. 一种自动调音方法,其特征在于,包括以下方法:A.预先设定采样时间常量,调节自动调音装置的调音灵敏度;B.预先设定音量调节常量;C.获取音源的分贝数与噪声的分贝数,计算出音源分贝数与噪声分贝数之差;D.判断音源分贝数与噪声分贝数之差是否等于音量调节常量,如果相等,则根据当前分贝数将音源信号输出;如果不相等,则调节音源的音量,直至音源分贝数与噪声分贝数之差等于音量调节常量,按照调节后的音量将音源信号输出。 A self-tuning method comprising the following method:... A predetermined constant sampling time, adjusting the tuning sensitivity of the automatic tuning apparatus; B constant predetermined volume adjustment; C obtaining the sound source decibel decibels of noise, calculates the difference sound source in decibels to the number of noise in decibels;. D difference determination source in decibels to the number of noise in decibels is equal to the volume control constant if equal, the audio signal output according to the current number of decibels ; If not equal, then adjust the volume of the sound source, the sound source until the difference between the decibel level of the noise in decibels is equal to the number of constants to adjust the volume, the volume adjusted according to the output audio signal.
  10. 10.根据权利要求9所述的自动调音方法,其特征在于:所述方法C及方法D用以下方法E替换:获取噪声分贝数,确定输出音源信号分贝数等于噪声分贝数与音量调节常量之和,并以确定后的分贝数将音源信号输出。 10. The automatic tuning method of claim 9, wherein: said method C and method D E replaced by the following methods: obtain the number of decibels of noise, determining an output audio signal in decibels equal to the noise in decibels with constant volume adjustment the sum, and determining the number of decibels after the audio signal is output.
  11. 11.根据权利要求9或10任意项所述的自动调音方法,其特征在于:所述步骤C或者步骤E中是通过以下方式获取噪声分贝数的:对接收到的噪声信号进行解码生成统一格式的编码数据,根据预先设定的采样时间常量,选取该段时间内的编码数据所对应的音频信号幅值进行采样,确定当前噪声的分贝数。 11. The automatic tuning method of any of claim 9 or claim 10, wherein: said step C or step E is acquired dB noise figure in the following manner: the noise signal generated by decoding the received unified encoding data format, according to the sampling time constant set in advance, select the audio signal amplitude within the period encoded data corresponding to the sampling time, the noise current to determine the number of decibels.
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CN102883121A (en) * 2012-09-24 2013-01-16 北京多看科技有限公司 Method and device for regulating volume, and digital terminal
CN102970632A (en) * 2011-08-30 2013-03-13 杭州新锐信息技术有限公司 Sound based volume adjustment device, product and method
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CN103327173A (en) * 2013-05-17 2013-09-25 广东欧珀移动通信有限公司 Voice controlling method and device of mobile terminal
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CN103886857A (en) * 2014-03-10 2014-06-25 北京智谷睿拓技术服务有限公司 Method and device for controlling noise
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CN104978980B (en) * 2015-07-03 2018-03-02 上海斐讯数据通信技术有限公司 A method for controlling sound playback and audio playback system
CN104978980A (en) * 2015-07-03 2015-10-14 上海斐讯数据通信技术有限公司 Method for controlling sound playing and sound playing system
CN105024665A (en) * 2015-07-27 2015-11-04 苏州宏展信息科技有限公司 Self-adaptive vehicle play method based on volume detection
WO2017143713A1 (en) * 2016-02-22 2017-08-31 深圳市树源科技有限公司 Headset having automatic volume adjustment function and automatic volume adjustment method therefor
CN105933819A (en) * 2016-04-25 2016-09-07 乐视控股(北京)有限公司 Method and device for adjusting volume of car stereo
CN106028226A (en) * 2016-05-27 2016-10-12 北京奇虎科技有限公司 Sound playing method and equipment

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