CN115665612A - A generation method and application of customized audio frequency response curves for differentiating left and right ears - Google Patents
A generation method and application of customized audio frequency response curves for differentiating left and right earsDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及扬声器的技术领域，具体是涉及一种区分左右耳定制音频频响曲线的生成方法和运用。The present invention relates to the technical field of loudspeakers, in particular to a method for generating and using customized audio frequency response curves for differentiating left and right ears.
背景技术Background technique
耳机作为扬声器中运用较为广泛的一种，已经成为人们生活中必备的电子产品，因此，提升耳机的使用性能成为了行业研究的重点。As a widely used speaker, earphones have become an essential electronic product in people's lives. Therefore, improving the performance of earphones has become the focus of industry research.
目前，市面上的耳机有两种，一种为普通耳机，其结构简单，仅能将接收的音频信号转化为声音，不具备Audio EQ（英文：Equalizer，中文：音频均衡器）调节功能，难以根据不同的音乐类型匹配对应的EQ配置，听感较差，一般为底端产品；另一种为配置有Audio EQ调节功能的中高级耳机，通过APP（英文：Application，中文：应用程序）与手机等智能设备连接，使用过程中能根据不同音乐类型匹配对应的EQ配置，虽然能提升听感，但是，现有的耳机产品也仅为预存几组不同模式的EQ曲线，使用时供用户可通过APP进行EQ曲线模式的切换，或者仅开放固定几个频点给用户自定义配置，供用户根据个人喜好在APP上进行自定义调节，虽然实现了调节，但是调节限制性较大。另外，上述的耳机均未考虑到用户左右耳听力在响度和频率上的差异，并且，在立体声或空间音频方面等使用场景下，如用户的左右耳听力存在较大的差异，如将左右耳机的EQ曲线调至同一模式下时，并不能适应每一用户的使用需求，部分用户可能无法聆听音频上的细微差异，错过细微的表现细节，仍存在影响听感的问题。At present, there are two types of earphones on the market. One is ordinary earphones, which have a simple structure and can only convert received audio signals into sound. Match the corresponding EQ configuration according to different music types, the listening experience is poor, and it is generally a bottom-end product; the other is a mid-to-high-end earphone equipped with Audio EQ adjustment function, through APP (English: Application, Chinese: Application Program) and Smart devices such as mobile phones are connected, and the corresponding EQ configuration can be matched according to different music types during use. Although it can improve the sense of hearing, the existing earphone products only pre-store several sets of EQ curves in different modes. Switch the EQ curve mode through the APP, or only open and fix a few frequency points for users to customize configurations for users to customize and adjust on the APP according to their personal preferences. Although the adjustment is realized, the adjustment is relatively restrictive. In addition, none of the earphones mentioned above take into account the difference in loudness and frequency between the left and right ears of the user, and, in stereo or spatial audio and other usage scenarios, if there is a large difference in the hearing of the user's left and right ears, if the left and right earphones are used When the EQ curve is adjusted to the same mode, it cannot meet the needs of each user. Some users may not be able to hear the subtle differences in the audio, miss the subtle details of the performance, and still have problems affecting the sense of hearing.
发明内容Contents of the invention
针对现有技术中存在的上述问题，现旨在提供一种区分左右耳定制音频频响曲线的生成方法和运用，以通过安装有APP的智能设备与耳机无线连接，用户可先通过APP控制耳机进行听力测试，生成用户个人左右耳听力频响补偿曲线数据，并在测试完成后通过智能设备上的APP将生成的个人左右耳听力频响补偿曲线数据回传至耳机，通过耳机的芯片生成相应的EQ曲线，从而实现对左右耳听力差异的补偿，可在播放音乐时作用于耳机的左右声道，调整输出，有效优化了用户的左右听感，并且实现了根据用户个人情况调节，能适用于每一用户的使用需求，保证每一用户均能聆听音频上的细微差异，感受细微的表现细节，提升听感。In view of the above-mentioned problems existing in the prior art, it is now intended to provide a method and application of custom audio frequency response curves for distinguishing left and right ears, so that the smart device installed with APP can be connected wirelessly with the headset, and the user can first control the headset through the APP. Conduct a hearing test to generate the frequency response compensation curve data of the user's personal left and right ears. After the test is completed, the generated personal hearing frequency response compensation curve data of the left and right ears will be sent back to the earphone through the APP on the smart device, and the corresponding earphone chip will be generated. EQ curve, so as to realize the compensation for the hearing difference between the left and right ears. It can act on the left and right channels of the earphone when playing music, adjust the output, effectively optimize the user's left and right hearing, and realize the adjustment according to the user's personal situation, which can be applied According to the needs of each user, it is guaranteed that each user can listen to the subtle differences in the audio, feel the subtle performance details, and enhance the sense of hearing.
具体技术方案如下：The specific technical scheme is as follows:
一种区分左右耳定制音频频响曲线的生成方法，包括以下几个步骤：A method for generating a customized audio frequency response curve for distinguishing left and right ears, comprising the following steps:
步骤S1，建立连接；Step S1, establishing a connection;
耳机与安装有APP的智能设备建立无线连接，并通过APP启动并进入测试；The headset establishes a wireless connection with the smart device installed with the APP, and starts and enters the test through the APP;
步骤S2，环境噪音检测；Step S2, environmental noise detection;
检测耳机外部环境噪音，判断环境噪音等级高低，如环境噪音等级低，则执行步骤S3,否则继续执行步骤S2；Detect the external environmental noise of the earphone, and judge the level of the environmental noise. If the environmental noise level is low, execute step S3, otherwise continue to execute step S2;
步骤S3，佩戴检测；Step S3, wearing detection;
检测用户佩戴耳机的佩戴密封性，判断佩戴密封性的好坏，如佩戴密封性良好，则执行步骤S4，否则继续执行步骤S3；Detect the wearing tightness of the earphone worn by the user, and judge whether the wearing tightness is good or bad. If the wearing tightness is good, go to step S4, otherwise continue to go to step S3;
步骤S4，测试并生成频响曲线；Step S4, testing and generating a frequency response curve;
先单耳定频播放音量递减的测试音源，用户根据测试听感反馈在APP上生成个人单耳听力频响曲线，然后再以同样方法生成另一单耳听力频响曲线，得到个人双侧听力频响曲线，若能顺利得到双侧听力频响曲线，则执行步骤S5，若不能顺利得到双侧听力频响曲线，则返回执行步骤S2，同时，切换左右测试通道；First, the test sound source with decreasing volume is played at a fixed frequency in one ear, and the user generates a personal hearing frequency response curve of a single ear on the APP according to the feedback of the test hearing, and then generates a frequency response curve of another single ear hearing in the same way to obtain personal bilateral hearing Frequency response curve, if the bilateral hearing frequency response curve can be successfully obtained, then perform step S5, if the bilateral hearing frequency response curve cannot be successfully obtained, then return to step S2, and at the same time, switch the left and right test channels;
步骤S5，定制音频融合；Step S5, customize audio fusion;
通过APP将得到的个人双侧听力频响曲线进行左右定制音频EQ融合，完成个人频响曲线测试，得到个人左右耳听力频响补偿曲线数据。Through the APP, the obtained personal bilateral hearing frequency response curve is fused with left and right customized audio EQ, and the personal frequency response curve test is completed, and the personal left and right ear hearing frequency response compensation curve data is obtained.
上述的一种区分左右耳定制音频频响曲线的生成方法，其中，步骤S1中，耳机和智能设备之间的无线连接方式为蓝牙连接。The above method for generating customized audio frequency response curves for differentiating left and right ears, wherein, in step S1, the wireless connection mode between the earphone and the smart device is a Bluetooth connection.
上述的一种区分左右耳定制音频频响曲线的生成方法，其中，步骤S2中，检测耳机外部环境噪音时，需处于空旷且安静的环境中。The aforementioned method for generating customized audio frequency response curves for left and right ears, wherein, in step S2, when detecting the external environmental noise of the earphone, it needs to be in an open and quiet environment.
上述的一种区分左右耳定制音频频响曲线的生成方法，其中，步骤S2中，检测耳机外部环境噪音时，如环境噪音等级高，则发出噪音超标提示，并于APP中显示。The above method for generating customized audio frequency response curves for distinguishing between left and right ears, wherein, in step S2, when detecting the external environmental noise of the earphone, if the environmental noise level is high, a warning that the noise exceeds the standard is issued and displayed in the APP.
上述的一种区分左右耳定制音频频响曲线的生成方法，其中，步骤S4中，生成个人单耳听力频响曲线时，需确保另一单耳处于静音状态。In the above-mentioned method for generating customized audio frequency response curves for left and right ears, in step S4, when generating the frequency response curve of individual ear hearing, it is necessary to ensure that the other ear is in a mute state.
上述的一种区分左右耳定制音频频响曲线的生成方法，其中，耳机的耳机芯片中预存有若干组不同模式的频响曲线数据，并对应有不同的音频类型。In the aforementioned method for generating custom audio frequency response curves for differentiating left and right ears, the earphone chip of the earphone pre-stores several sets of frequency response curve data in different modes, corresponding to different audio types.
上述的一种区分左右耳定制音频频响曲线的生成方法，其中，智能设备的APP中开放有若干个固定频点，且配置不同固定频点形成自定义频响曲线数据。In the aforementioned method for generating customized audio frequency response curves for left and right ears, the APP of the smart device has several fixed frequency points open, and different fixed frequency points are configured to form custom frequency response curve data.
一种区分左右耳定制音频频响曲线的运用，运用了上述权利要求中生成的个人左右耳听力频响补偿曲线数据，包括以下几个步骤：An application of custom audio frequency response curves for distinguishing left and right ears, using the personal left and right ear hearing frequency response compensation curve data generated in the above claims, including the following steps:
步骤一，音频初始化；Step 1, audio initialization;
确保耳机与安装有APP的智能设备处于无线连接状态，开启并初始化音频；Make sure that the earphone is wirelessly connected to the smart device with APP installed, turn on and initialize the audio;
步骤二，EQ融合；Step 2, EQ fusion;
通过智能设备中的APP将生成的个人左右耳听力频响补偿曲线数据回传至耳机中，且耳机芯片DSP（英文：Digital Signal Process，中文：数字信号处理技术）融合回传的个人左右耳听力频响补偿曲线数据和默认频响曲线数据，形成输出数据；The generated personal left and right ear hearing frequency response compensation curve data is sent back to the earphone through the APP in the smart device, and the headphone chip DSP (English: Digital Signal Process, Chinese: digital signal processing technology) integrates the returned personal left and right ear hearing Frequency response compensation curve data and default frequency response curve data form output data;
步骤三，信号调整；Step 3, signal adjustment;
通过AGC（英文：Automatic Gain Control，中文：自动增益控制）放大电路自动调整输出数据，实现自动增益控制；Automatically adjust the output data through the AGC (English: Automatic Gain Control, Chinese: Automatic Gain Control) amplifier circuit to realize automatic gain control;
步骤四，音频输出；Step 4, audio output;
区分左右声道，从SPK（英文：Speaker，中文：扬声器）输出；Distinguish left and right channels, output from SPK (English: Speaker, Chinese: speaker);
步骤五，结束音频输出。Step five, end the audio output.
上述的一种区分左右耳定制音频频响曲线的生成方法，其中，步骤二中，默认频响曲线数据为开启的音频在耳机芯片中预存的对应模式的频响曲线数据。In the above-mentioned method for generating frequency response curves of customized audio for left and right ears, in step 2, the default frequency response curve data is the frequency response curve data of the corresponding mode pre-stored in the earphone chip for the enabled audio.
上述技术方案的积极效果是：The positive effect of above-mentioned technical scheme is:
上述的区分左右耳定制音频频响曲线的生成方法和运用，将耳机与安装有APP的智能设备无线连接，用户通过APP控制耳机进行听力测试，生成用户个人左右耳听力频响补偿曲线数据，生成过程简单，操作方便；另外，在生成个人左右耳听力频响补偿曲线数据，用户可通过APP将生成的个人左右耳听力频响补偿曲线数据回传至耳机，通过耳机芯片与默认频响曲线数据融合而生成相应频响曲线数据，从而实现对左右耳听力差异进行补偿，作用于耳机的左右声道，优化用户的听感，并且，由于生成的个人左右耳听力频响补偿曲线数据是完全根据用户的听觉测试得到，能适应每一用户的使用需求，保证了每一用户均能听到音频的细微差异，提升听感。The above-mentioned generation method and application of custom audio frequency response curves for distinguishing between left and right ears, the earphones are wirelessly connected to the smart device installed with APP, and the user controls the earphones through the APP to perform a hearing test to generate the hearing frequency response compensation curve data of the user's personal left and right ears, and generate The process is simple and the operation is convenient; in addition, after generating the frequency response compensation curve data of the personal left and right ears, the user can return the generated frequency response compensation curve data of the left and right ears of the personal hearing to the earphone through the APP, and the earphone chip and the default frequency response curve data The corresponding frequency response curve data is generated by fusion, so as to realize the compensation for the hearing difference between the left and right ears, and act on the left and right channels of the earphones to optimize the user's sense of hearing. According to the user's hearing test, it can adapt to the needs of each user, ensuring that each user can hear the subtle differences in the audio and improve the sense of hearing.
附图说明Description of drawings
图1为本发明的一种区分左右耳定制音频频响曲线的生成方法的实施例的流程图；Fig. 1 is a flow chart of an embodiment of a method for generating custom audio frequency response curves for left and right ears according to the present invention;
图2为本发明的一种区分左右耳定制音频频响曲线的运用流程图。FIG. 2 is a flow chart of the present invention for distinguishing between left and right ear customized audio frequency response curves.
具体实施方式Detailed ways
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，以下实施例结合附图1至附图2对本发明提供的技术方案作具体阐述，但以下内容不作为本发明的限定。In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the following embodiments will specifically elaborate the technical solutions provided by the present invention in conjunction with accompanying drawings 1 to 2, but the following content is not intended as a limitation of the present invention .
图1为本发明的一种区分左右耳定制音频频响曲线的生成方法的实施例的流程图。如图1所示，本实施例提供的区分左右耳定制音频频响曲线的生成方法包括以下几个步骤：FIG. 1 is a flow chart of an embodiment of a method for generating custom audio frequency response curves for differentiating left and right ears according to the present invention. As shown in FIG. 1 , the method for generating a custom audio frequency response curve for distinguishing left and right ears provided in this embodiment includes the following steps:
步骤S1，建立连接；Step S1, establishing a connection;
步骤S2，环境噪音检测；Step S2, environmental noise detection;
步骤S3，佩戴检测；Step S3, wearing detection;
步骤S4，测试并生成频响曲线；以及Step S4, testing and generating a frequency response curve; and
步骤S5，定制音频融合。Step S5, customize audio fusion.
具体的，在步骤S1，建立连接的过程中，需要先将安装有对应APP的智能设备与耳机建立无线连接，为后续通过智能设备操控的耳机进行测试以及将生成的用户个人双侧听力频响曲线数据回传至耳机提供了条件。在耳机和智能设备成功连接后，通过APP启动并进入测试，等待后续操作。Specifically, in step S1, in the process of establishing a connection, it is necessary to first establish a wireless connection between the smart device installed with the corresponding APP and the earphone, to test the earphones controlled by the smart device and to generate the user's personal bilateral hearing frequency response The curve data is sent back to the headset to provide the conditions. After the headset and the smart device are successfully connected, start and enter the test through the APP, and wait for the follow-up operation.
作为优选的实施方式，耳机和智能设备之间的无线连接方式为蓝牙连接，连接技术成熟，运用广泛，数据传输稳定。另外，智能设备可以为手机、IPA、电脑等能安装应用程序的电子设备，能满足对APP进行安装并操作需求即可。As a preferred embodiment, the wireless connection between the earphone and the smart device is a Bluetooth connection, the connection technology is mature, widely used, and the data transmission is stable. In addition, the smart device may be an electronic device capable of installing application programs such as a mobile phone, an IPA, or a computer, and it only needs to meet the requirements for installing and operating the APP.
更加具体的，在进入测试过程后，进入步骤S2，环境噪音检测过程，需先检测耳机外部环境噪音，判断环境噪音等级高低，避免外界环境噪音对测试造成干扰，而使得生成的个人双侧听力频响曲线数据与用户实际需求存在差异的问题，保证了生成的个人双侧听力频响曲线数据更准确。此时，如检测的环境噪音等级低，可进行后续测试，则执行步骤S3,否则需要继续执行步骤S2，直至消除外界环境噪音干扰，确保生成的个人双侧听力频响曲线数据的准确性。More specifically, after entering the test process, enter step S2, the environmental noise detection process, it is necessary to detect the external environmental noise of the earphone first, judge the level of environmental noise, and avoid the external environmental noise from interfering with the test, so that the generated personal bilateral hearing There is a problem that the frequency response curve data is different from the actual needs of users, which ensures that the generated personal bilateral hearing frequency response curve data is more accurate. At this time, if the detected environmental noise level is low, follow-up testing can be performed, and step S3 is performed; otherwise, step S2 needs to be continued until the interference of external environmental noise is eliminated to ensure the accuracy of the generated personal bilateral hearing frequency response curve data.
值得指出的是，为了提高个人双侧听力频响曲线数据的生成效率，避免多次重复进行耳机外部环境噪音检测，进行步骤S2中的检测耳机外部环境噪音时，用户需处于空旷且安静的环境中，最大限度减少外界环境对测试的影响，提高生成的个人双侧听力频响曲线数据的准确性。It is worth pointing out that in order to improve the generation efficiency of personal bilateral hearing frequency response curve data and avoid repeated detection of the external environmental noise of the earphone, when performing the detection of the external environmental noise of the earphone in step S2, the user needs to be in an open and quiet environment In the process, the influence of the external environment on the test is minimized, and the accuracy of the generated personal bilateral hearing frequency response curve data is improved.
作为优选的实施方式，在步骤S2中，可在APP中设定提示功能，即在检测耳机外部环境噪音时，如环境噪音等级高，则可通过耳机发出噪音超标提示，并于APP中显示，方便用户及时获取环境噪音等级，从而快速进行调整，减少时间浪费问题。As a preferred embodiment, in step S2, a reminder function can be set in the APP, that is, when detecting the external environmental noise of the earphone, if the environmental noise level is high, the earphone can issue a reminder of excessive noise and display it in the APP. It is convenient for users to obtain the environmental noise level in time, so as to quickly adjust and reduce time wasting problems.
更加具体的，在判断外界的环境噪音等级较低时，则进入步骤S3，此时，需检测用户佩戴耳机的佩戴密封性，判断佩戴密封性的好坏，有效避免了因耳机的佩戴密封性而影响音频在耳朵中的播放问题，同样能消除外界环境对测试的影响，最大限度减少外界干扰因素，提升测试的准确性。此时，如判断佩戴密封性良好，可进行后续测试，则执行步骤S4，否则继续执行步骤S3，直至耳机的佩戴密封性变好，确保生成的个人双侧听力频响曲线数据的准确性。More specifically, when it is judged that the ambient noise level of the outside world is low, then enter step S3. At this time, it is necessary to detect the wearing tightness of the earphone worn by the user, and judge whether the wearing tightness is good or bad, effectively avoiding the problem caused by the wearing tightness of the earphone. The problem of affecting the playback of audio in the ear can also eliminate the impact of the external environment on the test, minimize external interference factors, and improve the accuracy of the test. At this time, if it is judged that the wearing tightness is good and subsequent testing can be performed, then step S4 is performed; otherwise, step S3 is continued until the wearing tightness of the earphone becomes better, ensuring the accuracy of the generated personal bilateral hearing frequency response curve data.
更加具体的，在判断用户佩戴耳机的佩戴密封性好的情况下，则进入步骤S4，此时，先单耳定频播放音量递减的测试音源，用户根据测试听感反馈在APP上生成个人单耳听力频响曲线，实现数据存储，然后再以同样方法生成另一单耳听力频响曲线，即完成对个人左右耳音频频响曲线的生成，得到个人双侧听力频响曲线。在此过程中，需要判断个人双侧听力频响曲线是否能顺利得到，若能顺利得到双侧听力频响曲线，即证明生成频响曲线成功，可进行后续操作，则执行步骤S5，若不能顺利得到双侧听力频响曲线，则返回执行步骤S2，可能在环境噪音检测、佩戴检测等环节出现了误差，需重新进行环境噪音检测和佩戴环节检测，尽可能消除外界环境对测试的影响，同时，切换左右测试通道，调整测试方案，确保测试能顺利完成。More specifically, when it is judged that the earphones worn by the user have a good sealing performance, then enter step S4. At this time, the test sound source with decreasing volume is played at a fixed frequency in one ear, and the user generates a personal single earphone on the APP according to the feedback of the test hearing. Ear hearing frequency response curve, realize data storage, and then generate another single ear hearing frequency response curve in the same way, that is, complete the generation of individual left and right ear audio frequency response curves, and obtain personal bilateral hearing frequency response curves. In this process, it is necessary to judge whether the individual bilateral hearing frequency response curve can be successfully obtained. If the bilateral hearing frequency response curve can be successfully obtained, it proves that the generation of the frequency response curve is successful, and subsequent operations can be performed, then perform step S5. If the bilateral hearing frequency response curve is successfully obtained, return to step S2. There may be errors in the environmental noise detection and wearing detection. It is necessary to re-conduct the environmental noise detection and wearing detection to eliminate the influence of the external environment on the test as much as possible. At the same time, switch the left and right test channels and adjust the test plan to ensure that the test can be completed smoothly.
作为优选的实施方式，在步骤S4中，在生成个人单耳听力频响曲线时，为保证了单耳测试的准确性，需确保另一单耳处于静音状态，避免用户在测试时受到另一耳机的干扰，确保了生成的单耳听力频响曲线能更准确。As a preferred embodiment, in step S4, in order to ensure the accuracy of the single ear test when generating the personal single ear hearing frequency response curve, it is necessary to ensure that the other single ear is in a mute state, so as to avoid the user being subjected to another ear during the test. The interference of earphones ensures that the generated monaural hearing frequency response curve can be more accurate.
更加具体的，在步骤S4中顺利生成用户个人双侧听力频响曲线的情况下，则进入步骤S5中，此时，通过APP将得到的个人双侧听力频响曲线进行左右定制音频EQ融合，为后续的对生成的频响曲线的运用提供了方便，此时，可判定已完成个人频响曲线测试，得到个人左右耳听力频响补偿曲线数据，可存储于智能设备中，为后续通过APP回传至耳机提供了条件。More specifically, if the user's personal bilateral hearing frequency response curve is successfully generated in step S4, then enter step S5. At this time, the left and right customized audio EQ fusion is performed on the obtained personal bilateral hearing frequency response curve through the APP, It provides convenience for the subsequent use of the generated frequency response curve. At this time, it can be judged that the personal frequency response curve test has been completed, and the personal left and right ear hearing frequency response compensation curve data can be obtained, which can be stored in the smart device for subsequent use through the APP. Backhaul to the headset provides the conditions.
值得指出的是，耳机的耳机芯片中预存有若干组不同模式的频响曲线数据，并且，若干组不同模式的频响曲线数据对应着不同的音频类型，即如传统的耳机相同和相似，使得即使在未生成用户个人左右耳听力频响补偿曲线数据时，也能提供一定的补偿效果，同时也为后续生成用户个人左右耳听力频响补偿曲线数据后能实现数据融合，以提升听感提供了数据支撑。It is worth pointing out that several sets of frequency response curve data of different modes are pre-stored in the earphone chip of the earphone, and several sets of frequency response curve data of different modes correspond to different audio types, that is, the same and similar as traditional earphones, making Even when the frequency response compensation curve data of the user's personal left and right ears is not generated, a certain compensation effect can be provided. At the same time, data fusion can be realized after the subsequent generation of the frequency response compensation curve data of the user's personal left and right ears to improve the sense of hearing. With data support.
同样的，智能设备中安装的APP中还开放有若干个固定频点，用户能根据自身情况自行配置不同的固定频点以形成自定义频响曲线数据，即提供了更多模式的频响曲线，可调性更好。Similarly, there are several fixed frequency points open in the APP installed in the smart device. Users can configure different fixed frequency points according to their own conditions to form custom frequency response curve data, that is, more modes of frequency response curves are provided. , better adjustability.
另外，本实施例还提供了通过上述区分左右耳定制音频频响曲线的生成方法生成的个人左右耳听力频响补偿曲线数据的运用。图2为本发明的一种区分左右耳定制音频频响曲线的运用流程图。如图2所示，本实施例提供的区分左右耳定制音频频响曲线的运用包括以下几个步骤：In addition, this embodiment also provides the use of the personal left and right ear hearing frequency response compensation curve data generated by the method for generating customized audio frequency response curves for left and right ears. FIG. 2 is a flow chart of the present invention for distinguishing between left and right ear customized audio frequency response curves. As shown in Figure 2, the application of the customized audio frequency response curve for distinguishing left and right ears provided by this embodiment includes the following steps:
步骤一，音频初始化；Step 1, audio initialization;
首选，需确保耳机与安装有APP的智能设备处于无线连接状态，为后续通过APP将生成的个人左右耳听力频响补偿曲线数据回传至耳机提供了条件，并且在两者连接状态正常的情况下，开启并初始化音频。First of all, it is necessary to ensure that the headset and the smart device installed with the APP are in a wireless connection state, which provides conditions for the subsequent return of the personal hearing frequency response compensation curve data generated by the left and right ears to the headset through the APP, and when the connection status of the two is normal Next, turn on and initialize audio.
步骤二，EQ融合；Step 2, EQ fusion;
通过智能设备中的APP将在上述测试过程中生成的个人左右耳听力频响补偿曲线数据回传至耳机中，且耳机芯片DSP融合回传的个人左右耳听力频响补偿曲线数据和默认频响曲线数据，形成输出数据，为后续补偿音频输出提供了条件。Through the APP in the smart device, the personal left and right ear hearing compensation curve data generated during the above test process is sent back to the earphone, and the headphone chip DSP fuses the returned personal left and right ear hearing compensation curve data and the default frequency response Curve data, forming output data, provides conditions for subsequent compensation audio output.
步骤三，信号调整；Step 3, signal adjustment;
通过AGC放大电路自动调整输出数据，实现自动增益控制，保证耳机音频输出性能。The output data is automatically adjusted through the AGC amplifier circuit to realize automatic gain control and ensure the audio output performance of the earphone.
步骤四，音频输出；Step 4, audio output;
区分左右声道，从SPK输出，提升音频输出效果，为用户提供更高细节表现的音频，提升用户听感。Differentiate the left and right channels, output from SPK, improve the audio output effect, provide users with audio with higher detail performance, and improve the user's sense of hearing.
步骤五，结束音频输出。Step five, end the audio output.
作为优选的实施方式，在步骤二中，与个人左右耳听力频响补偿曲线数据融合的默认频响曲线数据为当前开启的音频在耳机芯片中预存的对应模式的频响曲线数据，更好的匹配了音频模式，匹配性更高，效果更好。As a preferred embodiment, in step 2, the default frequency response curve data fused with the personal left and right ear hearing frequency response compensation curve data is the frequency response curve data of the corresponding mode pre-stored in the earphone chip of the currently opened audio, preferably The audio mode is matched, the matching is higher, and the effect is better.
本实施例提供的区分左右耳定制音频频响曲线的生成方法和运用，箱将耳机与安装有APP的智能设备无线连接，然后通过APP控制耳机进行听力测试，生成用户个人左右耳听力频响补偿曲线数据，不仅生成过程简单易操作，另外，还能在个人左右耳听力频响补偿曲线数据生成后通过APP将个人左右耳听力频响补偿曲线数据回传至耳机，通过耳机芯片将个人左右耳听力频响补偿曲线数据与默认频响曲线数据进行融合，实现对耳机的左右耳听力差异的补偿，并且，个人左右耳听力频响补偿曲线数据完全由用户测试得到，确保能完全匹配用户，从而保证了用户能听到音频的细微差异，听感更好。The generation method and application of the customized audio frequency response curves for the left and right ears provided in this embodiment are to wirelessly connect the earphones to the smart device installed with the APP, and then control the earphones through the APP to conduct a hearing test to generate hearing frequency response compensation for the user’s personal left and right ears. Curve data, not only the generation process is simple and easy to operate, in addition, after the personal left and right ear hearing frequency response compensation curve data is generated, the personal left and right ear frequency response compensation curve data can be sent back to the earphone through the APP, and the personal left and right ear frequency response compensation curve data can be transmitted to the earphone through the earphone chip. The hearing frequency response compensation curve data is fused with the default frequency response curve data to realize the compensation for the hearing difference between the left and right ears of the headset. Moreover, the personal left and right ear hearing frequency response compensation curve data is completely obtained by user testing to ensure that it can completely match the user. It ensures that the user can hear the subtle differences in the audio and has a better sense of hearing.
以上仅为本发明较佳的实施例，并非因此限制本发明的实施方式及保护范围，对于本领域技术人员而言，应当能够意识到凡运用本发明说明书及图示内容所作出的等同替换和显而易见的变化所得到的方案，均应当包含在本发明的保护范围内。The above are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention. For those skilled in the art, they should be able to realize the equivalent replacement and The solutions obtained by obvious changes shall all be included in the protection scope of the present invention.
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