CN105357613B - Method and device for adjusting playback parameters of audio output equipment - Google Patents
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Abstract
本发明涉及一种音频输出设备播放参数的调整方法及装置。所述方法包括步骤:获取音频输出设备在接收到预设频率的音频信号时的第一频响曲线;根据预设的各音频输出设备的第二频响曲线和播放参数,获得所述第一频响曲线对应的音频输出设备的播放参数,所述第二频响曲线包括所述第一频响曲线,各音频输出设备按照预设的播放参数播放同一频率的音频信号时得到的频响曲线一致;将获得的播放参数作为所述音频输出设备的播放参数。本发明能够针对不同的音频输出设备配置不同的播放参数,从而可以保证同一频段的频响曲线相同,实现播放效果的一致性。
The present invention relates to a method and device for adjusting playback parameters of an audio output device. The method comprises the steps of: obtaining a first frequency response curve of an audio output device when receiving an audio signal of a preset frequency; obtaining playback parameters of the audio output device corresponding to the first frequency response curve according to a preset second frequency response curve and playback parameters of each audio output device, wherein the second frequency response curve includes the first frequency response curve, and the frequency response curves obtained when each audio output device plays an audio signal of the same frequency according to the preset playback parameters are consistent; and using the obtained playback parameters as the playback parameters of the audio output device. The present invention can configure different playback parameters for different audio output devices, thereby ensuring that the frequency response curves of the same frequency band are the same, and achieving consistency in playback effects.
Description
技术领域technical field
本发明涉及音频处理技术领域,特别是涉及一种音频输出设备播放参数的调整方法及装置。The invention relates to the technical field of audio processing, in particular to a method and device for adjusting playing parameters of an audio output device.
背景技术Background technique
目前音频输出设备的种类非常多,例如有线音响和无线音响等。音频输出设备能很好地弥补移动终端自身扬声器外放能力不足的缺点,达到更好的视听效果。由于不同的音频输出设备硬件参数一般不相同,同一台移动终端在用不同的音频输出设备播放相同歌曲时,不同音频输出设备播放效果不一致。At present, there are many types of audio output devices, such as wired speakers and wireless speakers. The audio output device can well make up for the shortcoming of the mobile terminal's own loudspeaker that has insufficient loudspeaker capability, so as to achieve better audio-visual effects. Because the hardware parameters of different audio output devices are generally different, when the same mobile terminal uses different audio output devices to play the same song, the playback effects of different audio output devices are inconsistent.
发明内容Contents of the invention
基于此,有必要针对上述问题,提供一种音频输出设备播放参数的调整方法及装置,能够针对不同的音频输出设备配置不同的播放参数,保证播放效果的一致。Based on this, it is necessary to address the above problems and provide a method and device for adjusting playback parameters of audio output devices, which can configure different playback parameters for different audio output devices to ensure consistent playback effects.
为了达到上述目的,本发明采用以下方案:In order to achieve the above object, the present invention adopts the following scheme:
一种音频输出设备播放参数的调整方法,包括步骤:A method for adjusting playback parameters of an audio output device, comprising steps:
获取音频输出设备在接收到预设频率的音频信号时的第一频响曲线;Obtain a first frequency response curve of the audio output device when receiving an audio signal of a preset frequency;
根据预设的各音频输出设备的第二频响曲线和播放参数,获得所述第一频响曲线对应的音频输出设备的播放参数,所述第二频响曲线包括所述第一频响曲线,各音频输出设备按照预设的播放参数播放同一频率的音频信号时得到的频响曲线一致;According to the preset second frequency response curve and playback parameters of each audio output device, the playback parameters of the audio output device corresponding to the first frequency response curve are obtained, and the second frequency response curve includes the first frequency response curve. , the frequency response curves obtained when each audio output device plays the audio signal of the same frequency according to the preset playback parameters are consistent;
将获得的播放参数作为所述音频输出设备的播放参数。The obtained playback parameters are used as playback parameters of the audio output device.
一种音频输出设备播放参数的调整装置,包括:A device for adjusting playback parameters of an audio output device, comprising:
第一频响曲线获取模块,用于获取音频输出设备在接收到预设频率的音频信号时的第一频响曲线;A first frequency response curve acquisition module, configured to acquire a first frequency response curve of the audio output device when receiving an audio signal of a preset frequency;
播放参数确定模块,用于根据预设的各音频输出设备的第二频响曲线和播放参数,获得所述第一频响曲线对应的音频输出设备的播放参数,所述第二频响曲线包括所述第一频响曲线,各音频输出设备按照预设的播放参数播放同一频率的音频信号时得到的频响曲线一致;The playback parameter determination module is used to obtain the playback parameters of the audio output device corresponding to the first frequency response curve according to the preset second frequency response curve and playback parameters of each audio output device, and the second frequency response curve includes For the first frequency response curve, the frequency response curves obtained when each audio output device plays an audio signal of the same frequency according to preset playback parameters are consistent;
播放参数调整模块,用于将获得的播放参数作为所述音频输出设备的播放参数。The playback parameter adjustment module is used to use the obtained playback parameters as the playback parameters of the audio output device.
本发明音频输出设备播放参数的调整方法及装置,预先设置各音频输出设备与频响曲线的对应关系,用于识别音频输出设备,预先设置各音频输出设备的播放参数,该播放参数可以保证各音频输出设备的频响曲线一致。当需要对一个音频输出设备的播放参数进行调整时,先测量该音频输出设备在预设频率音频信号下的频响曲线,根据该频响曲线去识别待调整的是哪个音频输出设备,从而进一步确定出该音频输出设备的播放参数。本发明能够针对不同的音频输出设备配置不同的播放参数,从而可以保证同一频段的频响曲线相同,实现播放效果的一致性。所以采用本发明确定播放参数的方案,同一台移动终端在用不同的音频输出设备播放相同歌曲时,不同音频输出设备播放效果一致。The method and device for adjusting the playback parameters of audio output devices of the present invention pre-set the corresponding relationship between each audio output device and the frequency response curve, which is used to identify the audio output device, and pre-set the playback parameters of each audio output device. The playback parameters can ensure that each The frequency response curve of the audio output device is consistent. When it is necessary to adjust the playback parameters of an audio output device, first measure the frequency response curve of the audio output device under a preset frequency audio signal, and identify which audio output device is to be adjusted according to the frequency response curve, thereby further Determine the playback parameters of the audio output device. The present invention can configure different playback parameters for different audio output devices, thereby ensuring the same frequency response curves in the same frequency band and realizing the consistency of playback effects. Therefore, by adopting the scheme of determining the playback parameters of the present invention, when the same mobile terminal uses different audio output devices to play the same song, the playback effects of different audio output devices are consistent.
附图说明Description of drawings
图1为本发明音频输出设备播放参数的调整方法实施例的流程示意图;FIG. 1 is a schematic flow diagram of an embodiment of a method for adjusting playback parameters of an audio output device according to the present invention;
图2为本发明音频输出设备播放参数的调整装置实施例一的结构示意图;FIG. 2 is a schematic structural diagram of Embodiment 1 of an adjustment device for playing parameters of an audio output device according to the present invention;
图3为本发明音频输出设备播放参数的调整装置实施例二的结构示意图;FIG. 3 is a schematic structural diagram of Embodiment 2 of an adjustment device for playing parameters of an audio output device according to the present invention;
图4为本发明对应关系设置模块实施例的结构示意图;Fig. 4 is a schematic structural diagram of an embodiment of a corresponding relationship setting module in the present invention;
图5为本发明播放参数确定模块实施例的结构示意图。FIG. 5 is a schematic structural diagram of an embodiment of a playback parameter determination module in the present invention.
具体实施方式Detailed ways
为更进一步阐述本发明所采取的技术手段及取得的效果,下面结合附图及较佳实施例,对本发明的技术方案,进行清楚和完整的描述。In order to further illustrate the technical means adopted by the present invention and the achieved effects, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.
如图1所示,一种音频输出设备播放参数的调整方法,包括步骤:As shown in Figure 1, a method for adjusting playback parameters of an audio output device comprises steps:
S110、获取音频输出设备在接收到预设频率的音频信号时的第一频响曲线;S110. Obtain a first frequency response curve of the audio output device when receiving an audio signal of a preset frequency;
S120、根据预设的各音频输出设备的第二频响曲线和播放参数,获得所述第一频响曲线对应的音频输出设备的播放参数,所述第二频响曲线包括所述第一频响曲线,各音频输出设备按照预设的播放参数播放同一频率的音频信号时得到的频响曲线一致;S120. Obtain the playback parameters of the audio output device corresponding to the first frequency response curve according to the preset second frequency response curve and playback parameters of each audio output device, the second frequency response curve including the first frequency response curve The frequency response curve obtained when each audio output device plays the audio signal of the same frequency according to the preset playback parameters is consistent;
S130、将获得的播放参数作为所述音频输出设备的播放参数。S130. Use the obtained playback parameters as playback parameters of the audio output device.
本发明预先设置各音频输出设备与频响曲线的对应关系,用于识别音频输出设备,预先设置各音频输出设备的播放参数,该播放参数可以保证各音频输出设备的频响曲线一致。当需要对一个音频输出设备的播放参数进行调整时,先测量该音频输出设备在预设频率音频信号下的频响曲线,根据该频响曲线去识别待调整的是哪个音频输出设备,从而进一步确定出该音频输出设备的播放参数。本发明能够针对不同的音频输出设备配置不同的播放参数,从而可以保证同一频段的频响曲线相同,实现播放效果的一致性。The present invention pre-sets the corresponding relationship between each audio output device and the frequency response curve for identifying the audio output device, and pre-sets the playback parameters of each audio output device, and the playback parameters can ensure that the frequency response curves of each audio output device are consistent. When it is necessary to adjust the playback parameters of an audio output device, first measure the frequency response curve of the audio output device under a preset frequency audio signal, and identify which audio output device is to be adjusted according to the frequency response curve, thereby further Determine the playback parameters of the audio output device. The present invention can configure different playback parameters for different audio output devices, thereby ensuring the same frequency response curves in the same frequency band and realizing the consistency of playback effects.
所述播放参数包括播放音量、音频分布、播放风格等。本发明需要预先设置各音频输出设备的第二频响曲线和播放参数,所以,在一个实施例中,在根据预设的各音频输出设备的第二频响曲线和播放参数,获得所述第一频响曲线对应的音频输出设备的播放参数之前,还可以包括步骤:The playback parameters include playback volume, audio distribution, playback style, and the like. The present invention needs to pre-set the second frequency response curve and playback parameters of each audio output device, so in one embodiment, according to the preset second frequency response curve and playback parameters of each audio output device, the first Before the playback parameters of the audio output device corresponding to the frequency response curve, the steps may also be included:
获得参考的音频输出设备在接收到参考频率的音频信号时的参考频响曲线;obtain the reference frequency response curve of the reference audio output device when receiving the audio signal of the reference frequency;
获取各音频输出设备在接收到所述参考频率的音频信号时的频响曲线;Obtain the frequency response curve of each audio output device when receiving the audio signal of the reference frequency;
调整各音频输出设备的播放参数使各音频输出设备的频响曲线与所述参考频响曲线一致;Adjust the playback parameters of each audio output device so that the frequency response curve of each audio output device is consistent with the reference frequency response curve;
在频响曲线与所述参考频响曲线一致时,获得各音频输出设备的播放参数。When the frequency response curve is consistent with the reference frequency response curve, the playback parameters of each audio output device are obtained.
参考的音频输出设备可以是任意一个音频输出设备,参考频率可以为任意频率,为了保证播放参数的精确性,可以设置多个参考频率进行测试。由于误差的存在,各音频输出设备的频响曲线与参考频率曲线基本上一致即可。The reference audio output device can be any audio output device, and the reference frequency can be any frequency. In order to ensure the accuracy of playback parameters, multiple reference frequencies can be set for testing. Due to the existence of errors, the frequency response curve of each audio output device is basically consistent with the reference frequency curve.
在获得预设的各音频输出设备的第二频响曲线时,可以通过移动终端输出预设频率的音频信号给音频输出设备,例如手机通过耳机孔通路发送1kHz(千赫兹)的音频信号给有线音响。移动终端输出固定频率的音频信号可以通过现有技术中已有的方式实现。音频输出设备在接收到预设频率的音频信号时进行播放,得到频响曲线,记录音频输出设备和该频响曲线的对应关系。为了保证音频输出设备识别的准确性,所述预设频率可以为多个,例如,预设频率为1kHz和10kHz。When the second frequency response curve of each preset audio output device is obtained, the audio signal of the preset frequency can be output to the audio output device through the mobile terminal, for example, the mobile phone sends a 1kHz (kilohertz) audio signal to the cable through the earphone hole channel. Audio. The output of the audio signal with a fixed frequency by the mobile terminal can be realized through existing methods in the prior art. The audio output device plays when receiving the audio signal of the preset frequency, obtains the frequency response curve, and records the corresponding relationship between the audio output device and the frequency response curve. In order to ensure the accuracy of the identification of the audio output device, there may be multiple preset frequencies, for example, the preset frequencies are 1 kHz and 10 kHz.
在需要确定某一个音频输出设备的播放参数时,先测量该音频输出设备在预设频率音频信号下的第一频响曲线。为了可以确定该音频输出设备的身份,第二频响曲线需要包括第一频响曲线。例如,在得到各音频输出设备的第二频响曲线时,测量的频率分别为1kHz和10kHz,则在测量第一频响曲线时,预设频率需要为1kHz、10kHz、1kHz和10kHz中的任意一种。可以通过移动终端的麦克风测量记录此时音频输出设备的第一频响曲线。When it is necessary to determine the playback parameters of a certain audio output device, first measure the first frequency response curve of the audio output device under the audio signal of a preset frequency. In order to determine the identity of the audio output device, the second frequency response curve needs to include the first frequency response curve. For example, when obtaining the second frequency response curve of each audio output device, the measured frequencies are 1kHz and 10kHz respectively, then when measuring the first frequency response curve, the preset frequency needs to be any of 1kHz, 10kHz, 1kHz and 10kHz A sort of. The first frequency response curve of the audio output device at this time may be measured and recorded through the microphone of the mobile terminal.
在一个实施例中,获得所述第一频响曲线对应的音频输出设备的播放参数的步骤可以包括:In one embodiment, the step of obtaining the playback parameters of the audio output device corresponding to the first frequency response curve may include:
在各音频输出设备的第二频响曲线中,获取与所述第一频响曲线的误差满足预设条件的第二频响曲线;Among the second frequency response curves of each audio output device, acquiring a second frequency response curve whose error from the first frequency response curve satisfies a preset condition;
将获取的第二频响曲线对应的音频输出设备作为所述第一频响曲线对应的音频输出设备。The audio output device corresponding to the obtained second frequency response curve is used as the audio output device corresponding to the first frequency response curve.
根据预设的各音频输出设备的播放参数,获得所述第一频响曲线对应的播放参数。According to the preset playback parameters of each audio output device, the playback parameters corresponding to the first frequency response curve are obtained.
第一频响曲线可以有一条或多条。当有一条第一频响曲线时,将这一条第一频响曲线与各音频输出设备的第二频响曲线进行比较,只要基本一致,两者的误差在预设范围内,就可以确定该第二频响曲线对应的音频输出设备即为第一频响曲线的音频输出设备。当第一频响曲线有多条时,可以将多个第一频响曲线分别与一个音频输出设备的相应的第二频响曲线进行比较,如果每一个第一频响曲线与一个音频输出设备对应的第二频响曲线的误差均在预设范围内,或者每一个第一频响曲线与一个音频输出设备的第二频响曲线的误差在预设范围内的个数最多,或者每一个第一频响曲线与一个音频输出设备的第二频响曲线的整体误差最小等等,即可以将该第二频响曲线对应的音频输出设备作为第一频响曲线对应的音频输出设备。There can be one or more first frequency response curves. When there is a first frequency response curve, compare this first frequency response curve with the second frequency response curve of each audio output device, as long as they are basically the same, and the error between the two is within the preset range, the frequency response curve can be determined. The audio output device corresponding to the second frequency response curve is the audio output device of the first frequency response curve. When there are multiple first frequency response curves, multiple first frequency response curves can be compared with corresponding second frequency response curves of an audio output device, if each first frequency response curve is compared with an audio output device The errors of the corresponding second frequency response curves are all within the preset range, or the number of errors between each first frequency response curve and the second frequency response curve of an audio output device is the largest within the preset range, or each The overall error between the first frequency response curve and the second frequency response curve of an audio output device is the smallest, that is, the audio output device corresponding to the second frequency response curve can be used as the audio output device corresponding to the first frequency response curve.
根据第一频响曲线识别出音频输出设备后,可以根据预设的各音频输出设备的播放参数,确定识别出的音频输出设备的播放参数。各音频输出设备根据该方法得到的播放参数进行播放,可以保证播放效果的一致性。After the audio output device is identified according to the first frequency response curve, the playback parameters of the identified audio output device may be determined according to the preset playback parameters of each audio output device. Each audio output device plays according to the playing parameters obtained by the method, which can ensure the consistency of the playing effect.
预设的各音频输出设备的第二频响曲线和播放参数可以以对应关系表的形式存储于本地移动终端,并可以选择上传服务器共享给其他用户。所以,在一个实施例中,本发明还可以包括步骤:The preset second frequency response curves and playback parameters of each audio output device can be stored in the local mobile terminal in the form of a correspondence table, and can be uploaded to a server to share with other users. So, in one embodiment, the present invention can also comprise the step:
若无法获得所述第一频响曲线对应的音频输出设备,从服务器中获取共享的对应关系表,所述对应关系表中记录有预设的各音频输出设备的第二频响曲线和播放参数;If the audio output device corresponding to the first frequency response curve cannot be obtained, a shared correspondence table is obtained from the server, and the second frequency response curve and playback parameters of each preset audio output device are recorded in the correspondence table. ;
根据所述对应关系表获得所述第一频响曲线对应的音频输出设备。The audio output device corresponding to the first frequency response curve is obtained according to the correspondence table.
为了保证音频输出设备的识别,各个用户之间可以约定预设频率的数值。如果共享的对应关系表中还是不能找到音频输出设备对应的播放参数,提示用户未找到,用户可以根据上述获得各音频输出设备的播放参数的方法选择播放参数,然后将该音频输出设备的频响曲线和播放参数记录并更新到本地对应关系表中。In order to ensure the identification of the audio output device, various users can agree on the value of the preset frequency. If the playback parameter corresponding to the audio output device still cannot be found in the shared correspondence table, the user will be prompted that the playback parameter is not found, and the user can select the playback parameter according to the above method of obtaining the playback parameters of each audio output device, and then set the Curve and playback parameters are recorded and updated to the local correspondence table.
基于同一发明构思,本发明还提供一种音频输出设备播放参数的调整装置,下面结合附图对本发明装置的具体实施方式做详细描述。Based on the same inventive concept, the present invention also provides a device for adjusting playback parameters of an audio output device. The specific implementation of the device of the present invention will be described in detail below in conjunction with the accompanying drawings.
如图2所示,一种音频输出设备播放参数的调整装置,包括:As shown in Figure 2, a device for adjusting playback parameters of an audio output device includes:
第一频响曲线获取模块110,用于获取音频输出设备在接收到预设频率的音频信号时的第一频响曲线;The first frequency response curve acquisition module 110 is configured to acquire a first frequency response curve of the audio output device when receiving an audio signal of a preset frequency;
播放参数确定模块120,用于根据预设的各音频输出设备的第二频响曲线和播放参数,获得所述第一频响曲线对应的音频输出设备的播放参数,所述第二频响曲线包括所述第一频响曲线,各音频输出设备按照预设的播放参数播放同一频率的音频信号时得到的频响曲线一致;The playback parameter determination module 120 is configured to obtain the playback parameters of the audio output device corresponding to the first frequency response curve according to the preset second frequency response curve and playback parameters of each audio output device, and the second frequency response curve Including the first frequency response curve, the frequency response curves obtained when each audio output device plays an audio signal of the same frequency according to preset playback parameters are consistent;
播放参数调整模块130,用于将获得的播放参数作为所述音频输出设备的播放参数。The playback parameter adjustment module 130 is configured to use the obtained playback parameters as the playback parameters of the audio output device.
本发明预先设置各音频输出设备与频响曲线的对应关系,用于识别音频输出设备,预先设置各音频输出设备的播放参数,该播放参数可以保证各音频输出设备的频响曲线一致。当需要对一个音频输出设备的播放参数进行调整时,先测量该音频输出设备在预设频率音频信号下的频响曲线,根据该频响曲线去识别待调整的是哪个音频输出设备,从而进一步确定出该音频输出设备的播放参数。本发明能够针对不同的音频输出设备配置不同的播放参数,从而可以保证同一频段的频响曲线相同,实现播放效果的一致性。The present invention pre-sets the corresponding relationship between each audio output device and the frequency response curve for identifying the audio output device, and pre-sets the playback parameters of each audio output device, and the playback parameters can ensure that the frequency response curves of each audio output device are consistent. When it is necessary to adjust the playback parameters of an audio output device, first measure the frequency response curve of the audio output device under a preset frequency audio signal, and identify which audio output device is to be adjusted according to the frequency response curve, thereby further Determine the playback parameters of the audio output device. The present invention can configure different playback parameters for different audio output devices, thereby ensuring the same frequency response curves in the same frequency band and realizing the consistency of playback effects.
所述播放参数包括播放音量、音频分布、播放风格等。本发明需要预先设置各音频输出设备的第二频响曲线和播放参数,所以,在一个实施例中,如图3所示,本发明装置还可以包括与所述播放参数确定模块120相连的对应关系设置模块100。如图4所示,所述对应关系设置模块100可以包括:The playback parameters include playback volume, audio distribution, playback style, and the like. The present invention needs to pre-set the second frequency response curve and playback parameters of each audio output device, so, in one embodiment, as shown in Figure 3, the device of the present invention may also include a corresponding Relationship setting module 100 . As shown in Figure 4, the correspondence setting module 100 may include:
参考频响曲线获取单元1001,用于获得参考的音频输出设备在接收到参考频率的音频信号时的参考频响曲线;The reference frequency response curve acquisition unit 1001 is used to obtain the reference frequency response curve of the reference audio output device when receiving the audio signal of the reference frequency;
频响曲线获取单元1002,用于获取各音频输出设备在接收到所述参考频率的音频信号时的频响曲线;A frequency response curve acquisition unit 1002, configured to acquire a frequency response curve of each audio output device when receiving the audio signal of the reference frequency;
频响曲线调整单元1003,用于调整各音频输出设备的播放参数使各音频输出设备的频响曲线与所述参考频响曲线一致;A frequency response curve adjustment unit 1003, configured to adjust the playback parameters of each audio output device so that the frequency response curve of each audio output device is consistent with the reference frequency response curve;
对应关系确定单元1004,用于在频响曲线与所述参考频响曲线一致时,获得各音频输出设备的播放参数。The correspondence determining unit 1004 is configured to obtain the playback parameters of each audio output device when the frequency response curve is consistent with the reference frequency response curve.
参考的音频输出设备可以是任意一个音频输出设备,参考频率可以为任意频率,为了保证播放参数的精确性,可以设置多个参考频率进行测试。由于误差的存在,各音频输出设备的频响曲线与参考频率曲线基本上一致即可。The reference audio output device can be any audio output device, and the reference frequency can be any frequency. In order to ensure the accuracy of playback parameters, multiple reference frequencies can be set for testing. Due to the existence of errors, the frequency response curve of each audio output device is basically consistent with the reference frequency curve.
在获得预设的各音频输出设备的第二频响曲线时,可以通过移动终端输出预设频率的音频信号给音频输出设备。移动终端输出固定频率的音频信号可以通过现有技术中已有的方式实现。音频输出设备在接收到预设频率的音频信号时进行播放,得到频响曲线,记录音频输出设备和该频响曲线的对应关系。为了保证音频输出设备识别的准确性,所述预设频率可以为多个。When the preset second frequency response curves of each audio output device are obtained, the mobile terminal may output an audio signal of a preset frequency to the audio output device. The output of the audio signal with a fixed frequency by the mobile terminal can be realized through existing methods in the prior art. The audio output device plays when receiving the audio signal of the preset frequency, obtains the frequency response curve, and records the corresponding relationship between the audio output device and the frequency response curve. In order to ensure the accuracy of the identification of the audio output device, there may be multiple preset frequencies.
在需要确定某一个音频输出设备的播放参数时,第一频响曲线获取模块110先获取该音频输出设备在预设频率音频信号下的第一频响曲线。为了可以确定该音频输出设备的身份,第二频响曲线需要包括第一频响曲线。第一频响曲线获取模块110可以通过移动终端的麦克风测量记录此时音频输出设备的第一频响曲线。When it is necessary to determine the playback parameters of a certain audio output device, the first frequency response curve acquisition module 110 first acquires the first frequency response curve of the audio output device under the audio signal of a preset frequency. In order to determine the identity of the audio output device, the second frequency response curve needs to include the first frequency response curve. The first frequency response curve acquisition module 110 may measure and record the first frequency response curve of the audio output device at this time through the microphone of the mobile terminal.
在一个实施例中,如图5所示,所述播放参数确定模块120可以包括:In one embodiment, as shown in FIG. 5, the playback parameter determination module 120 may include:
第二频响曲线获取单元1201,用于在各音频输出设备的第二频响曲线中,获取与所述第一频响曲线的误差满足预设条件的第二频响曲线;The second frequency response curve acquisition unit 1201 is configured to acquire, among the second frequency response curves of each audio output device, a second frequency response curve whose error with the first frequency response curve satisfies a preset condition;
音频输出设备确定单元1202,用于将获取的第二频响曲线对应的音频输出设备作为所述第一频响曲线对应的音频输出设备。The audio output device determining unit 1202 is configured to use the audio output device corresponding to the obtained second frequency response curve as the audio output device corresponding to the first frequency response curve.
播放参数确定单元1203,用于根据预设的各音频输出设备的播放参数,获得所述第一频响曲线对应的播放参数。The playback parameter determination unit 1203 is configured to obtain the playback parameters corresponding to the first frequency response curve according to the preset playback parameters of each audio output device.
第一频响曲线可以有一条或多条。当有一条第一频响曲线时,将这一条第一频响曲线与各音频输出设备的第二频响曲线进行比较,只要基本一致,两者的误差在预设范围内,就可以确定该第二频响曲线对应的音频输出设备即为第一频响曲线的音频输出设备。当第一频响曲线有多条时,可以将多个第一频响曲线分别与一个音频输出设备的相应的第二频响曲线进行比较,如果每一个第一频响曲线与一个音频输出设备对应的第二频响曲线的误差均在预设范围内,或者每一个第一频响曲线与一个音频输出设备的第二频响曲线的误差在预设范围内的个数最多,或者每一个第一频响曲线与一个音频输出设备的第二频响曲线的整体误差最小等等,即可以将该第二频响曲线对应的音频输出设备作为第一频响曲线对应的音频输出设备。There can be one or more first frequency response curves. When there is a first frequency response curve, compare this first frequency response curve with the second frequency response curve of each audio output device, as long as they are basically the same, and the error between the two is within the preset range, the frequency response curve can be determined. The audio output device corresponding to the second frequency response curve is the audio output device of the first frequency response curve. When there are multiple first frequency response curves, multiple first frequency response curves can be compared with corresponding second frequency response curves of an audio output device, if each first frequency response curve is compared with an audio output device The errors of the corresponding second frequency response curves are all within the preset range, or the number of errors between each first frequency response curve and the second frequency response curve of an audio output device is the largest within the preset range, or each The overall error between the first frequency response curve and the second frequency response curve of an audio output device is the smallest, that is, the audio output device corresponding to the second frequency response curve can be used as the audio output device corresponding to the first frequency response curve.
所述播放参数确定模块120根据第一频响曲线识别出音频输出设备后,可以根据预设的各音频输出设备的播放参数,确定识别出的音频输出设备的播放参数。各音频输出设备根据该方式得到的播放参数进行播放,可以保证播放效果的一致性。After the playback parameter determining module 120 identifies the audio output device according to the first frequency response curve, it may determine the playback parameter of the identified audio output device according to the preset playback parameters of each audio output device. Each audio output device performs playback according to the playback parameters obtained in this way, which can ensure the consistency of the playback effect.
预设的各音频输出设备的第二频响曲线和播放参数可以以对应关系表的形式存储于本地移动终端,并可以选择上传服务器共享给其他用户。所以,在一个实施例中,本发明装置还可以包括:The preset second frequency response curves and playback parameters of each audio output device can be stored in the local mobile terminal in the form of a correspondence table, and can be uploaded to a server to share with other users. Therefore, in one embodiment, the device of the present invention may also include:
对应关系表获取模块140,用于在无法获得所述第一频响曲线对应的音频输出设备时,从服务器中获取共享的对应关系表,所述对应关系表中记录有预设的各音频输出设备的第二频响曲线和播放参数;The correspondence table acquisition module 140 is configured to obtain a shared correspondence table from the server when the audio output device corresponding to the first frequency response curve cannot be obtained, and the correspondence table records preset audio outputs The second frequency response curve and playback parameters of the device;
音频输出设备选取模块150,用于根据所述对应关系表获得所述第一频响曲线对应的音频输出设备。The audio output device selection module 150 is configured to obtain the audio output device corresponding to the first frequency response curve according to the correspondence table.
为了保证音频输出设备的识别,各个用户之间可以约定预设频率的数值。如果共享的对应关系表中还是不能找到音频输出设备对应的播放参数,提示用户未找到,用户可以根据上述获得各音频输出设备的播放参数的方法选择播放参数,然后将该音频输出设备的频响曲线和播放参数记录并更新到本地对应关系表中。In order to ensure the identification of the audio output device, various users can agree on the value of the preset frequency. If the playback parameter corresponding to the audio output device still cannot be found in the shared correspondence table, the user will be prompted that the playback parameter is not found, and the user can select the playback parameter according to the above method of obtaining the playback parameters of each audio output device, and then set the Curve and playback parameters are recorded and updated to the local correspondence table.
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。The various technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.
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