CN1097257C - 在卡拉ｏｋ演唱中产生观众反响声的设备 - Google Patents
在卡拉ｏｋ演唱中产生观众反响声的设备 Download PDFInfo
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K15/00—Acoustics not otherwise provided for
- G10K15/02—Synthesis of acoustic waves
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
- G10H2210/091—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for performance evaluation, i.e. judging, grading or scoring the musical qualities or faithfulness of a performance, e.g. with respect to pitch, tempo or other timings of a reference performance
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- G—PHYSICS
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- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
- G10H2250/315—Sound category-dependent sound synthesis processes [Gensound] for musical use; Sound category-specific synthesis-controlling parameters or control means therefor
- G10H2250/365—Gensound applause, e.g. handclapping; Cheering; Booing
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Abstract
本发明的在简单的歌声评分系统的基础上，设置自动启动的语音合成器，语音合成器预录一些诸如拍手喝采、“好”、“再来一个”等反响声响。根据本发明，评分装置用来评定演唱水平因素，象歌声的音量、音调和持续时间等，并根据评分结果自动启动观众反响声响。观众反响声响自动重播的程度取决于演唱者演唱水平诸因素，本发明为卡拉OK演唱机具备了新的功能，并且只通过简单的电路装置便可实现。
Description
技术领域
本发明涉及在卡拉OK演唱中产生观众反应声响的一种设备。
背景技术
在使用卡拉OK机时，演唱者通过麦克风进行演唱，并由来自录音设备或其它声源的音乐伴奏，随即歌声和伴奏音乐信号经过合成再介助于扬声器得以播放或剥制。利用一个事先录好的喝采、鼓掌等声响信号的语音合成器，就可以在演唱和音乐结束时发出象拍手喝采，“再来一个”等声响。在音乐和歌声结束后，通常要手工启动观众反响功能。现有的方法是通过昂贵的集成电路、检测器的输出来实现的，而检测器的输出要取决于歌声的振幅。观众反响声响的产生是人工控制的，并且与现有系统固定在一起。
其中一个例子就是日本专利申请公报平4-13197号申请，名称为“卡拉OK装置”，在该现有技术中，设置了手动输出和非输出观众声两种模式。
发明内容
本发明的目的是提供一种在卡拉OK演唱中产生观众反响声的设备，在简单的歌声评分系统的基础上，设置自动启动录有象拍手喝采，“好”，“再来一个”等声响的语音合成器。
根据本发明，一种在卡拉OK演唱中产生观众反响声的设备，可将观众反响声响与音乐信号叠加在一起进行重播或录制，该设备包括：卡拉OK处理器，其特征在于还包括：
音乐检测器，用于检测音乐的开始与结束；
评分检测装置，用于测评演唱者的至少一个演唱参数：音量、音调及歌声持续时间，并根据测评结果自动地启动观众反响声响，具有与所述卡拉OK处理器输出相连接的输入；
语音合成器，用于产生观众反响声，具有与评分检测装置输出相连的输入。
还包括一个微处理器，所述音乐检测器的输出和评分检测器的输出通过所述微处理器与所述语音合成器相连。
所述微处理器的输出还连接所述卡拉OK处理器。
歌声检测器是一种低造价的、占空因数可变的晶体管检测器，它的占空因数与歌声的振幅、音调及持续时间成正比。在歌曲结束后根据评分而自动产生不同强度、持续时间和形式的反响声响是可以实现的。这种新概念是实现卡拉OK机应用中富有吸引力的新特点且费用比较低的方法。本发明提供的这种新特点尚未在市场上出现，它将在卡拉OK机应用中得以普及。
产生观众反响声响视演唱评分结果而有强度、持续时间和形式的区别。观众反响声响最好是在演唱者歌声结束后自动产生，可配置一音乐检测电路有一个阈值和一个标明音乐开始与结束的输出电压，该输出电压用来启动观众反响声响。这一电路具有一个为检测音乐开始而设的大约15毫秒的小时间常数，和一个为检测音乐结束而设的大约5秒的大时间常数。该电路的输出部分可以包括一个其输出从一种状态向另一种状态快速转变的复合晶体管(达林顿)电路。所用的评分电路具有与歌声信号的幅度成正比的第一输入及与歌声信号的频率成正比的第二输入。
为了便于理解本发明，以下将结合附图进行描述。
附图说明
图1是本发明设备的电路图，部分以方框形式表示，部分以详图形式表示。
图2是歌声频率与导通时间的关系曲线图。
图3是歌声振幅与导通时间的关系曲线图。
图4是根据本发明而绘制的设备工作流程图。
具体实施方式
在图1中，拾取演唱者歌声的两个麦克风1，2联接在卡拉OK处理器3上，该处理器的输出端联接在相加级4上。来自录音机或其它声源设备的音乐信号也馈入相加级4中，并进而馈入音乐检测电路5的输入端。电路5的输出端f联接在微处理器6的输入端，卡拉OK处理器3的两个输出a、b联接在评分检测器7的两个输入端上，评分检测器7的两个输出端联接在微处理器6的另一个输入端上。微处理器6的第一输出c联在语音合成器8的输入端上，第二输出d联在卡拉OK处理器3的输入端。合成器8产生的观众反响声响信号馈入相加级4的另一个输入端，相加级4的输出e中有伴有来自卡拉OK处理器3的歌声的音乐信号，当音乐与歌声结束后，还有合成器8产生的观众反响声响信号。
音乐检测器5是由晶体三极管TU116、TU117和TU118组成的。TU116把音乐的音频信号放大6分贝，其输出由二极管DU001进行检波。当直流电流超过由复合晶体管TU117和TU118组成的达林顿比较器的阈值时，输出为低状态。复合晶体管以很小的基极电流确保从一种状态向另一种状态的快速转变。在输出f由高转低时意味着音乐开始，由低转高时则意味着音乐结束。保证音乐开始的快速检测，时间常数很小，大约15毫秒。但结尾的检测有一段较长的恢复时间，大约5秒钟，以防止形成音乐尾声的间断。
由三极管TU108、TU110和TU111组成的评分检测电路与音乐检测电路5相似。但卡拉OK处理器向检测器提供两个输入，一个输入正比于幅度，另一个输入正比于频率。
图2示意的是导通时间即检测器根据演唱者歌声的频率而定的低输出状态的时间。这一导通时间也可释为与软件的评分成正比。
图3是由电压Vin所代表的歌声振幅与导通时间的关系曲线图。由于恢复时间比较短，大约200毫秒，所以评分检测器能较快地针对歌声的改变作出反应。
图4是表示设备工作和自动产生观众反响声响的初步规则的流程图。
自动产生观众反响声响规则的流程是用流程图说明的，而且是自明无需解释的，但一些显示器和存储内容将在下面简要介绍。“中断”是根据现有的1毫秒中断而定的，自动产生观众反响声响程序每1秒钟处理一次，这是为了尽量减少软件的输入和分数计数器的数据溢出。分数计数通过第一计数器A实现。音乐状况显示器是低输出状态有效。歌曲的结束是根据从在低输出转为高输出而测定的。然而，当音乐状态为低输出时，即可开始计分，因此便于在歌曲演唱的任何一时刻开始计分，即便当磁带快进或倒回歌曲的开始部分时也便于计数，而无需只在演唱开始时才能计分。
音乐计数进一步减小由于音乐的弱尾音而导致音乐状况检测器启动失误的可能性。评分检测器每当扫描或检测到低输出时，计分值便加一。在计分超过某个阈值时，设定奖励标志。计分每增加10分，奖励计分加一。据此，此计分器能用来延长产生观众反响声响的时间或启动语言合成器的其它部分以获得更多奖励。
Claims (8)
1.一种在卡拉OK演唱中产生观众反响声的设备，可将观众反响声响与音乐信号叠加在一起进行重播或录制，该设备包括：卡拉OK处理器(3)，其特征在于还包括：
音乐检测器(5)，用于检测音乐的开始与结束；
评分检测装置(7)，用于测评演唱者的至少一个演唱参数：音量、音调及歌声持续时间，并根据测评结果自动地启动观众反响声响，具有与所述卡拉OK处理器输出相连接的输入；
语音合成器(8)，用于产生观众反响声，具有与评分检测装置(7)输出相连的输入。
2.根据权利要求1所述的在卡拉OK演唱中产生观众反响声的设备，其特征在于还包括一个微处理器(6)，所述音乐检测器(5)的输出和评分检测器(7)的输出通过所述微处理器(6)与所述语音合成器(8)相连。
3.根据权利要求2所述的在卡拉OK演唱中产生观众反响声的设备，其特征在于所述微处理器(6)的输出还连接所述卡拉OK处理器(3)。
4.根据权利要求1所述的在卡拉OK演唱中产生观众反响声的设备，其特征在于语音合成器(8)依据测评结果而产生有不同的强度、持续时间及形式的观众反响声响。
5.根据权利要求1所述的在卡拉OK演唱中产生观众反响声的设备
其特征在于音乐检测器(5)具有一个阈值，并提供一个表明音乐开始与结束的输出电压，而该输出电压用于启动观众反响声响。
6.根据权利要求4所述的在卡拉OK演唱中产生观众反响声的设备
其特征在于上述音乐检测电路具有检测音乐开始的大约15毫秒的小时间常数，及检测音乐结束的大约5秒的大时间常数。
7.根据权利要求4所述的在卡拉OK演唱中产生观众反响声的设备
其特征在于音乐检测电路的输出部分具有复合晶体管(达林顿)电路，可以使输出从一种状态向另一种状态快速转变。
8.根据权利要求1所述的在卡拉OK演唱中产生观众反响声的设备
其特征在于评分检测电路有与歌声信号振幅成正比的第一输入及与歌声信号频率成正比的第二输入。
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| GB9402548.3 | 1994-02-10 | ||
| GB9402548A GB2286510A (en) | 1994-02-10 | 1994-02-10 | Device for generating applause for karaoke vocals |
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| CN1117640A CN1117640A (zh) | 1996-02-28 |
| CN1097257C true CN1097257C (zh) | 2002-12-25 |
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| JP (1) | JP3693126B2 (zh) |
| CN (1) | CN1097257C (zh) |
| DE (1) | DE69513314T2 (zh) |
| GB (1) | GB2286510A (zh) |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59204398A (ja) * | 1983-05-04 | 1984-11-19 | Hiroyuki Hori | カラオケ用マイクロホン |
| JP2959804B2 (ja) * | 1990-05-02 | 1999-10-06 | ブラザー工業 株式会社 | カラオケ装置 |
| DE69124360T2 (de) * | 1991-01-16 | 1997-05-15 | Ricos Kk | Vorrichtung zur Anzeige von Gesangseigenschaften |
| US5296643A (en) * | 1992-09-24 | 1994-03-22 | Kuo Jen Wei | Automatic musical key adjustment system for karaoke equipment |
| JPH06130979A (ja) * | 1992-10-19 | 1994-05-13 | Toshiba Corp | カラオケ装置 |
-
1994
- 1994-02-10 GB GB9402548A patent/GB2286510A/en not_active Withdrawn
-
1995
- 1995-02-02 DE DE69513314T patent/DE69513314T2/de not_active Expired - Lifetime
- 1995-02-02 EP EP95101397A patent/EP0668583B1/en not_active Expired - Lifetime
- 1995-02-02 SG SG1996008468A patent/SG44839A1/en unknown
- 1995-02-03 JP JP01724895A patent/JP3693126B2/ja not_active Expired - Fee Related
- 1995-02-08 CN CN95101567A patent/CN1097257C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB9402548D0 (en) | 1994-04-06 |
| DE69513314D1 (de) | 1999-12-23 |
| SG44839A1 (en) | 1997-12-19 |
| EP0668583A1 (en) | 1995-08-23 |
| EP0668583B1 (en) | 1999-11-17 |
| JP3693126B2 (ja) | 2005-09-07 |
| GB2286510A (en) | 1995-08-16 |
| JPH07311586A (ja) | 1995-11-28 |
| DE69513314T2 (de) | 2000-05-25 |
| CN1117640A (zh) | 1996-02-28 |
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