JPH1079634A - Sound signal adjustment method and sound signal adjustment device used for the method - Google Patents
Sound signal adjustment method and sound signal adjustment device used for the methodInfo
- Publication number
- JPH1079634A JPH1079634A JP8273394A JP27339496A JPH1079634A JP H1079634 A JPH1079634 A JP H1079634A JP 8273394 A JP8273394 A JP 8273394A JP 27339496 A JP27339496 A JP 27339496A JP H1079634 A JPH1079634 A JP H1079634A
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はカラオケ機器、ステ
レオ増幅器等の音響機器に接続して使用されるものであ
り、それら音響機器から出力される音声の低音域と高音
域を強調して広帯域の音声信号を出力するようにしたも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in connection with audio equipment such as karaoke equipment and stereo amplifiers, and emphasizes the low and high ranges of the sound output from these audio equipment to provide a wide band. An audio signal is output.
【０００２】[0002]
【従来の技術】音響機器から出力される音声は帯域が広
い方が聞き易い。そこで従来は出にくい音域である重低
音域と超高音域とを強調して、帯域を広げることが行わ
れている。その場合、重低音域（２０Ｈz 〜１００Ｈ
z ）と超高音域（１０ＫＨz 以上）とを別々にブースト
して強調していた。2. Description of the Related Art A sound output from an audio device is easier to hear in a wider band. In view of the above, conventionally, the bass range and the ultra-treble range, which are hard to be heard, are emphasized to broaden the band. In that case, heavy bass (20H z ~100H
z) and ultra-high frequency range (more than 10KH z) and the boosts separately it has been emphasized.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来の強調方
法では重低音域と超高音域だけが強調されるのではな
く、図３に示す様に中低音域と中高音域（重低音域と超
高音域の丁度中間辺りの周波数帯域）もブーストされて
しまうため、重低音域と超高音域が強調されにくくな
り、帯域の広い音声出力が得られにくく、聞き易い音に
なりにくかった。However, according to the conventional emphasizing method, not only the bass range and the super-treble range are emphasized, but as shown in FIG. The frequency band just around the middle of the super-treble range is also boosted, so that it is difficult to emphasize the deep bass range and the super-treble range, and it is difficult to obtain a wide-band sound output, and it is difficult to obtain a sound that is easy to hear.
【０００４】本発明の目的は重低音域及び超高音域の周
波数帯域の音声信号のみを強調させることにより、人間
の耳で聞き取り易い音声が音響装置から出力されるよう
にすることにある。[0004] It is an object of the present invention to enhance a sound signal in a frequency range of a deep bass range and a super-treble range so that a sound which is easy for human ears to hear is outputted from an audio device.
【０００５】[0005]
【課題を解決するための手段】本発明のうち請求項１の
音声信号調整方法は、音声入力信号から周波数が重低音
域の音声信号と超高音域の音声信号を別々に取り出し、
これら両音声信号を前記音声入力信号と合成して出力さ
せるようにしたものである。According to a first aspect of the present invention, there is provided an audio signal adjusting method for separately extracting an audio signal having a heavy bass range and an audio signal having a super high range from an audio input signal.
These two audio signals are combined with the audio input signal and output.
【０００６】本発明のうち請求項２の音声信号調整方法
は、音声入力信号から周波数が重低音域から低音域まで
の音声信号と、超高音域から高音域までの音声信号を別
々に取り出し、これら両音声信号を前記音声入力信号と
合成して出力させるようにしたものである。According to a second aspect of the present invention, in the audio signal adjusting method, an audio signal having a frequency ranging from a deep low range to a low range and an audio signal having a super high range to a high range are separately extracted from an audio input signal. These two audio signals are combined with the audio input signal and output.
【０００７】本発明のうち請求項３の音声信号調整装置
は図１に示す様に、音声入力信号が伝送される系路を３
つに分け、そのうちの一つの系路１に音声入力信号から
周波数が重低音域の音声信号を取り出すローパスフィル
タ２を設け、他の系路３に音声入力信号から周波数が超
高音域の音声信号を取り出すハイパスフィルタ４を設
け、他の一つの系路５は音声入力信号をそのまま通過さ
せるスルー系路とし、これら３つの系路１、３、５の出
力側に、各系路１、３、５から出力される音声信号を合
成して出力する合成回路６を設けたものである。According to the third aspect of the present invention, as shown in FIG.
A low-pass filter 2 for extracting an audio signal having a frequency range from a voice input signal to a low-frequency range in one of the paths 1; The other one path 5 is a through path that allows the audio input signal to pass through as it is, and the three paths 1, 3, 5 are connected to the output side of each of the paths 1, 3,. 5 is provided with a synthesizing circuit 6 for synthesizing and outputting the audio signal output from the synthesizing signal 5.
【０００８】本発明のうち請求項４の音声信号調整装置
は図４に示す様に、音声入力信号が伝送される系路を２
つに分け、その一つの系路１に音声入力信号から周波数
が重低音域の音声信号を取り出すローパスフィルタ２と
超高音域の音声信号を取り出すハイパスフィルタ４のい
ずれか一方を設け、他の一つの系路５は音声入力信号を
そのまま通過させるスルー系路とし、両系路１、５の出
力側に両系路１、５から出力される音声信号を合成する
合成回路６を設け、同合成回路６の出力側を二つの系路
７、８に分け、そのうちの一方の系路７に前記フィルタ
と異なる他方のフィルタを設け、他方の系路８をスルー
系路とし、両系路７、８の出力側に両系路７、８から出
力される音声信号を合成して出力する合成回路９を設け
たことを特徴とする音声信号調整装置。In the audio signal adjusting apparatus according to a fourth aspect of the present invention, as shown in FIG.
One of the two paths 1 is provided with one of a low-pass filter 2 for extracting an audio signal in a deep bass range from an audio input signal and a high-pass filter 4 for extracting an audio signal in a super-high frequency range. The two paths 5 are through paths that pass the audio input signal as it is, and a synthesis circuit 6 that synthesizes the audio signals output from the two paths 1 and 5 is provided on the output side of the two paths 1 and 5. The output side of the circuit 6 is divided into two paths 7 and 8, and one of the paths 7 is provided with another filter different from the above filter, and the other path 8 is set as a through path. An audio signal adjusting device comprising: a synthesizing circuit 9 for synthesizing and outputting audio signals output from both paths 7 and 8 on an output side of the audio signal adjusting circuit 8.
【０００９】本発明のうち請求項５の音声信号調整装置
は図１、図４に示すローパスフィルタ２を重低音域から
低音域までの音声信号を取り出し可能なものとし、ハイ
パスフィルタ４を超高音域から高音域までの音声信号を
取り出し可能なものとしたものである。According to the audio signal adjusting apparatus of the present invention, the low-pass filter 2 shown in FIGS. 1 and 4 can extract an audio signal from a deep bass range to a bass range, and the high-pass filter 4 The audio signal from the treble range to the treble range can be extracted.
【００１０】本発明のうち請求項６の音声信号調整装置
は図６、図７に示すように、音声信号が伝送される系路
１、３、５、７、８の全部又は一部にスイッチＳＷを挿
入して、それらスイッチＳＷの切替えにより系路を伝送
される音声信号のＯＮ、ＯＦＦ可能としたものである。As shown in FIGS. 6 and 7, the audio signal adjusting apparatus according to claim 6 of the present invention includes a switch for switching all or a part of the paths 1, 3, 5, 7, and 8 through which the audio signal is transmitted. SW is inserted to enable ON / OFF of an audio signal transmitted through the system by switching the switch SW.
【００１１】[0011]
【発明の実施の形態１】本発明の音声信号調整装置の実
施の形態１を図１、図２に基づいて詳細に説明する。図
１はステレオ回路のＬチャンネル分だけを示したもので
あり、Ｒチャンネル分はこれと同じである。図２の〜
の波形は図１の回路の符号〜の位置における波形
図である。First Embodiment A first embodiment of an audio signal adjusting apparatus according to the present invention will be described in detail with reference to FIGS. FIG. 1 shows only the L channel of the stereo circuit, and the R channel is the same. 2 of FIG.
Are waveform diagrams at positions indicated by reference numerals in the circuit of FIG.
【００１２】図１の音声調整装置は、音声入力信号が伝
送される系路を３つに分け、その一つの系路１に音声入
力信号から周波数が重低音域のみ又は重低音域及び低音
域の音声信号を取り出すローパスフィルタ２を設け、他
の系路３に音声入力信号から周波数が超高音域のみ又は
超高音域及び高音域の音声信号を取り出すハイパスフィ
ルタ４を設け、他の一つの系路５は音声入力信号をその
まま通過させるスルー系路とし、これら３つの系路１、
３、４の出力側に、各系路１、３、５から出力される音
声信号を合成して出力する合成回路６を設けてある。The audio adjusting apparatus shown in FIG. 1 divides a path through which an audio input signal is transmitted into three paths, and the one of the paths 1 has a frequency from the audio input signal only in the low bass range or in the low bass range and the low range. A low-pass filter 2 for taking out an audio signal of the same type, and a high-pass filter 4 for taking out an audio signal having only a super-high frequency range or an ultra-high frequency range and a high frequency range from an audio input signal in another path 3. The path 5 is a through path through which the audio input signal passes as it is, and these three paths 1,
On the output side of 3, 4 there is provided a synthesizing circuit 6 for synthesizing and outputting the audio signals output from the respective paths 1, 3, 5.
【００１３】ローパスフィルタ２にはオペアンプ７と２
つの抵抗器Ｒ1 、Ｒ2 とコンデンサＣ1 、Ｃ2 とを組合
わせた二次型ローパスフィルタが使用されており、ハイ
パスフィルタ４にはオペアンプ８と２つのコンデンサＣ
3 、Ｃ4 と抵抗器Ｒ3 、Ｒ4とを組合わせた二次型ハイ
パスフィルタが使用されている。二次型ローパスフィル
タのカットオフ周波数ｆc は次式で決定される。 ｆc ＝１／｛２πＳＱＲ（Ｃ1 Ｃ2 Ｒ1 Ｒ2 ）｝ この式により二次型ローパスフィルタから取り出し可能
な周波数が計算できるので、所望の取り出し周波数に合
わせて回路設計の際に用いる抵抗器Ｒ1 、Ｒ2の抵抗値
やコンデンサＣ1 、Ｃ2 の静電容量を決定すれば良い。
同様にして二次型ハイパスフィルタについても取り出し
周波数を決定する。The low-pass filter 2 includes operational amplifiers 7 and 2
A secondary low-pass filter combining two resistors R 1 , R 2 and capacitors C 1 , C 2 is used, and an operational amplifier 8 and two capacitors C
A secondary high-pass filter is used in which 3 , C 4 and resistors R 3 , R 4 are combined. Cut-off frequency f c of the second-order low-pass filter is determined by the following equation. f c = 1 / {2πSQR (C 1 C 2 R 1 R 2 )} Since the frequency that can be extracted from the secondary low-pass filter can be calculated from this equation, the resistance used in the circuit design according to the desired extraction frequency can be calculated. The resistance values of the devices R 1 and R 2 and the capacitances of the capacitors C 1 and C 2 may be determined.
Similarly, the extraction frequency is determined for the secondary high-pass filter.
【００１４】[0014]
【発明の実施の形態２】本発明の音声信号調整装置の実
施の形態２を図４に基づいて詳細に説明する。図４もス
テレオ回路のＬチャンネル分だけを示したものであり、
Ｒチャンネル分もこれと同じである。図４のａ〜ｆの波
形は図４の回路の符号ａ〜ｆの位置における波形図であ
る。Second Embodiment A second embodiment of the audio signal adjusting apparatus according to the present invention will be described in detail with reference to FIG. FIG. 4 also shows only the L channel of the stereo circuit.
The same applies to the R channel. Waveforms a to f in FIG. 4 are waveform diagrams at positions a to f of the circuit in FIG.
【００１５】図４の音声調整装置は、音声入力信号が伝
送される系路を２つに分け、その一つの系路１に音声入
力信号が伝送される系路を２つに分け、その一つの系路
１に音声入力信号から周波数が超高音域の音声信号のみ
又は超音域及び音音域の音声信号を取り出すハイパスフ
ィルタ４を設けを設け、他の一つの系路５は音声入力信
号をそのまま通過させるスルー系路とし、両系路１、５
の出力側に両系路１、５から出力される音声信号を合成
する合成回路６を設け、同合成回路６の出力側を二つの
系路７、８に分け、そのうちの一方の系路７に重低音域
のみ又は重低音域及び低音域の音声信号を取り出すロー
パスフィルタ４を設け、他方の系路８をスルー系路と
し、両系路７、８の出力側に両系路７、８から出力され
る音声信号を合成して出力する合成回路９を設けてあ
る。前記のハイパスフィルタ４、ローパスフィルタ２は
夫々図１のハイパスフィルタ４、ローパスフィルタ２と
同じ構成、特性のものである。The audio adjusting apparatus shown in FIG. 4 divides a path through which an audio input signal is transmitted into two paths, and divides a path through which an audio input signal is transmitted into one path 1 into two paths. One path 1 is provided with a high-pass filter 4 for extracting only an audio signal of a super-high frequency range or an audio signal of a super-range and a sound range from an audio input signal, and another path 5 receives the audio input signal as it is. Through-paths to be passed, both paths 1, 5
A synthesizing circuit 6 for synthesizing the audio signals output from the two paths 1 and 5 is provided on the output side, and the output side of the synthesizing circuit 6 is divided into two paths 7 and 8 and one of the paths 7 and 8 is provided. Is provided with a low-pass filter 4 for extracting audio signals of only the bass range or the bass range and the bass range. The other route 8 is a through route, and both routes 7, 8 are provided on the output side of both routes 7, 8. And a synthesizing circuit 9 for synthesizing and outputting the audio signal output from. The high-pass filter 4 and the low-pass filter 2 have the same configuration and characteristics as the high-pass filter 4 and the low-pass filter 2 in FIG. 1, respectively.
【００１６】[0016]
【発明の実施の形態３】本発明の音声信号調整装置は図
４におけるハイパスフィルタ４とローパスフィルタ２と
を入れ替えたものでもよい。Embodiment 3 The audio signal adjusting apparatus of the present invention may be one in which the high-pass filter 4 and the low-pass filter 2 in FIG. 4 are replaced.
【００１７】[0017]
【発明の実施の形態４】本発明の音声信号調整方法の実
施の形態４を図１、図２に基づいて詳細に説明する。こ
の音声信号調整方法では、図１の入力端ＩＮ（点）に
入力される図２の波形の音声信号が図１の増幅器１１
により増幅されて図２の波形の音声信号となる。この
音声信号の一部は系路１に伝送され、同系路１のローパ
スフィルタ２により重低音域の音声信号（図２の波形
の音声信号）が取り出される。図２の波形の音声信号
は系路３にも伝送され、同系路３のハイパスフィルタ２
により超高音域の音声信号（図２の波形の音声信号）
が取り出される。図２の波形の音声信号は系路５にも
伝送され、同系路５をそのまま通過する（図２の波形
の音声信号）。Embodiment 4 Embodiment 4 of the audio signal adjusting method of the present invention will be described in detail with reference to FIGS. In this audio signal adjustment method, the audio signal having the waveform of FIG. 2 input to the input terminal IN (point) of FIG.
, And becomes an audio signal having the waveform of FIG. A part of this audio signal is transmitted to the system path 1, and the low-pass filter 2 of the system path 1 extracts a sound signal in a heavy bass region (a sound signal having a waveform in FIG. 2). The audio signal having the waveform shown in FIG. 2 is also transmitted to the path 3, and the high-pass filter 2 of the path 3
The audio signal in the ultra high frequency range (the audio signal with the waveform in FIG. 2)
Is taken out. The audio signal having the waveform shown in FIG. 2 is also transmitted to the system path 5 and passes through the same system path 5 as it is (the audio signal having the waveform shown in FIG. 2).
【００１８】系路１、３、５から出力される音声信号
（図２の波形の音声信号）は合成回路６で合成さ
れ、その出力点（図１点）の音声信号は図２に示す
波形の信号になる。即ち、重低音域と超高音域のレベル
が高く、それらよりも中音域の音声信号のレベルが低い
音声信号となる。この音声信号では重低音域と超高音域
とが強調されて帯域の広い音声信号となり、重低音域か
ら超高音域まで聞き易い音となる。The audio signals (audio signals having the waveform shown in FIG. 2) output from the routes 1, 3, and 5 are synthesized by the synthesizing circuit 6, and the audio signal at the output point (point 1 in FIG. 2) has the waveform shown in FIG. Signal. That is, the level of the heavy bass range and the ultra-high range is high, and the level of the middle range voice signal is lower than those. In this audio signal, the deep bass range and the super-treble range are emphasized to form a wide-band sound signal, and the sound is easy to hear from the deep bass range to the super-treble range.
【００１９】実施の形態４では系路１で重低音域だけ
を、系路３で超高音域だけを取り出す様にしてあるが、
本発明ではローパスフィルタ２のカットオフ周波数を選
択することにより、重低音域と低音域の双方、超高音域
と高音域の双方を取り出す様にすることもできる。この
場合は重低音域と低音域、超高音域と高音域が強調され
た音声信号となる。In the fourth embodiment, only the heavy bass range is extracted from the route 1 and only the super-treble range is extracted from the route 3.
In the present invention, by selecting the cutoff frequency of the low-pass filter 2, it is also possible to extract both the deep bass range and the low range, and both the super-high range and the high range. In this case, the sound signal is a sound signal in which the deep low range and the low range, and the super high range and the high range are emphasized.
【００２０】[0020]
【発明の実施の形態５】本発明の音声信号調整方法の実
施の形態５を図４、図５に基づいて詳細に説明する。こ
の音声信号調整方法では図４の入力端ＩＮ（ａ点）に入
力される図５ａの波形の音声信号が図４の増幅器１１に
より増幅されて図５ｂの波形の音声信号となる。この音
声信号の一部は系路１に伝送され、同系路１のハイパス
フィルタ４により超高低音域の音声信号（図５ｃの波形
の音声信号）が取り出される。図５ｂの波形の音声信号
は系路５にも伝送され、同系路５の抵抗器１２を通って
そのままの波形で通過する。Fifth Embodiment A fifth embodiment of the audio signal adjusting method according to the present invention will be described in detail with reference to FIGS. In this audio signal adjustment method, the audio signal having the waveform of FIG. 5A input to the input terminal IN (point a) of FIG. 4 is amplified by the amplifier 11 of FIG. 4 to become the audio signal of the waveform of FIG. 5B. A part of this audio signal is transmitted to the system 1, and the high-pass filter 4 of the system 1 extracts an audio signal in an ultra-high and low range (an audio signal having a waveform in FIG. 5C). The audio signal having the waveform of FIG. 5B is also transmitted to the path 5 and passes through the resistor 12 of the path 5 with the same waveform.
【００２１】図５ｃの波形の音声信号と抵抗器１２を通
過した音声信号は合成回路６で合成され、その出力点
（図４ｄ点）の音声信号は図５ｄに示す波形の信号にな
る。即ち、超高音域のレベルだけが高い音声信号とな
る。この音声信号の一部は図４の系路７に伝送され、同
系路７のローパスフィルタ２により重低音域の音声信号
（図５ｅの波形の音声信号）が取り出される。図５ｄの
波形の音声信号は図４の系路８にも伝送され、同系路８
の可変抵抗器１３を通ってレベル調整されて通過する。The audio signal having the waveform shown in FIG. 5C and the audio signal passing through the resistor 12 are synthesized by the synthesizing circuit 6, and the audio signal at the output point (point D in FIG. 4) becomes a signal having the waveform shown in FIG. 5D. In other words, only the level in the super high range becomes a high audio signal. A part of this audio signal is transmitted to the system path 7 of FIG. 4, and the low-pass filter 2 of the system path 7 extracts a heavy bass sound signal (a sound signal having a waveform of FIG. 5e). The audio signal having the waveform of FIG. 5D is also transmitted to the path 8 of FIG.
Through the variable resistor 13 of which level is adjusted.
【００２２】図５ｅの波形の音声信号と図５の可変抵抗
器１３を通過した音声信号は合成回路９で合成され、そ
の出力点（図４ｆ点）の音声信号は図５ｆに示す波形の
信号になる。即ち、超高音域のレベルと重低音域のレベ
ルが高く、それらよりも中音域の音声信号のレベルが低
い音声信号となる。この音声信号では重低音域と超高音
域とが強調されて帯域の広い音声信号となり、重低音域
から超高音域まで聞き易い音となる。The audio signal having the waveform shown in FIG. 5E and the audio signal having passed through the variable resistor 13 shown in FIG. 5 are synthesized by the synthesizing circuit 9. The audio signal at the output point (point F in FIG. 4) is a signal having the waveform shown in FIG. become. That is, the level of the super-high range and the level of the deep bass range are high, and the level of the mid-range voice signal is lower than those. In this audio signal, the deep bass range and the super-treble range are emphasized to form a wide-band sound signal, and the sound is easy to hear from the deep bass range to the super-treble range.
【００２３】実施の形態５では系路１で重低音域だけ
を、系路３で超高音域だけを取り出す様にしてあるが、
本発明ではローパスフィルタ２のカットオフ周波数を選
択することにより、重低音域と低音域の双方、超高音域
と高音域の双方を取り出す様にすることもできる。この
場合は重低音域と低音域、超高音域と高音域が強調され
た音声信号となる。In the fifth embodiment, only the heavy bass range is extracted from the route 1 and only the super-treble range is extracted from the route 3.
In the present invention, by selecting the cutoff frequency of the low-pass filter 2, it is also possible to extract both the deep bass range and the low range, and both the super-high range and the high range. In this case, the sound signal is a sound signal in which the deep low range and the low range, and the super high range and the high range are emphasized.
【００２４】[0024]
【発明の実施の形態６】本発明の音声信号調整方法の実
施の形態６を図６、図７に基づいて詳細に説明する。図
６に示す音声信号調整方法では音声信号が伝送される３
つの系路１、３、５の全部にスイッチＳＷを挿入し、図
７に示す音声信号調整方法では系路１、３、５の全部に
スイッチＳＷを挿入して、それらスイッチＳＷの切替え
により夫々の系路を伝送される音声信号をＯＮ、ＯＦＦ
して、ＯＦＦ時には出力されないようにしたものであ
る。従って、それらスイッチをＯＦＦにすることによ
り、重低音域、超高音域、中音域等のうち所望の音域を
カットすることができる。スイッチＳＷは一部の系路に
のみ挿入してもよい。Sixth Embodiment A sixth embodiment of the audio signal adjusting method according to the present invention will be described in detail with reference to FIGS. In the audio signal adjustment method shown in FIG.
In the audio signal adjusting method shown in FIG. 7, a switch SW is inserted in all of the paths 1, 3, and 5, and a switch SW is inserted in all of the paths 1, 3, and 5, and the switches SW are switched. ON / OFF the audio signal transmitted through the system path
Thus, the output is not made when the switch is OFF. Therefore, by turning off these switches, it is possible to cut a desired sound range among a heavy bass range, a super-treble range, a middle range, and the like. The switch SW may be inserted only in some paths.
【００２５】[0025]
【発明の効果】本発明のうち請求項１、２の音声信号調
整方法は次のような効果がある。 ．入力信号の周波数帯域のうち重低音域と超高音域、
或は重低音域及び低音域と超高音域及び高音域の周波数
の音声信号のみを確実に増幅することができ、周波数帯
域の広い音声信号となり、聞き易い音となる。The audio signal adjusting method according to the first and second aspects of the present invention has the following effects. . Of the frequency band of the input signal, heavy bass and super treble,
Alternatively, it is possible to reliably amplify only audio signals having frequencies in the deep bass range, the bass range, the super-treble range, and the treble range, so that the speech signal has a wide frequency band, and the sound is easy to hear.
【００２６】本発明のうち請求項３〜５の音声信号調整
装置は次のような効果がある。 ．入力端ＩＮ、出力端ＯＵＴを他の音響機器の左チャ
ンネルと右チャンネルの所定箇所に配線するだけで、重
低音域と超高音域、或は重低音域及び低音域と超高音域
及び高音域の周波数の音声信号のみを確実に増幅するこ
とができ、周波数帯域の広い、聞き易い音を手軽に得る
ことができる。 ．これ迄、特に、重低音域、超高音域の音声信号が出
力されにくかったスピーカーでも、それらの信号が出力
され易くなる。The audio signal adjusting apparatus according to claims 3 to 5 of the present invention has the following effects. . By simply wiring the input terminal IN and the output terminal OUT to predetermined positions of the left channel and the right channel of another audio device, a heavy bass range and a super-treble range, or a heavy bass range, a low range, a super-high range, and a high range. Only the audio signal of the frequency can be reliably amplified, and an easy-to-listen sound with a wide frequency band can be easily obtained. . Until now, even in the case of a speaker in which it has been difficult to output a sound signal particularly in a deep bass range or a super-treble range, such a signal is easily outputted.
【００２７】本発明のうち請求項６の音声信号調整装置
は、それらスイッチをＯＦＦにすることにより、重低音
域、超高音域、中音域等のうち所望の音域をカットする
ことができる。In the audio signal adjusting device according to the sixth aspect of the present invention, by turning off these switches, it is possible to cut a desired sound range among a deep bass range, a super-treble range, a middle range, and the like.
【００２８】[0028]
【図１】本発明の音声信号調整装置の実施形態の一例を
示す結線図。FIG. 1 is a connection diagram illustrating an example of an embodiment of an audio signal adjustment device according to the present invention.
【図２】図１の結線図の〜の箇所における音声信号
の波形説明図。FIG. 2 is an explanatory diagram of a waveform of an audio signal in a portion of the connection diagram of FIG.
【図３】従来の音声信号調整装置より出力される音声信
号の波形説明図。FIG. 3 is an explanatory diagram of a waveform of an audio signal output from a conventional audio signal adjustment device.
【図４】本発明の音声信号調整装置の実施形態の他例を
示す結線図。FIG. 4 is a connection diagram showing another example of the embodiment of the audio signal adjustment device of the present invention.
【図５】図４の結線図のａ〜ｆの箇所における音声信号
の波形説明図。5 is an explanatory diagram of a waveform of an audio signal at points a to f in the connection diagram of FIG. 4;
【図６】本発明の音声信号調整装置の他の例を示す説明
図。FIG. 6 is an explanatory diagram showing another example of the audio signal adjustment device of the present invention.
【図７】本発明の音声信号調整装置の更に他の例を示す
説明図。FIG. 7 is an explanatory diagram showing still another example of the audio signal adjustment device of the present invention.
１、３、５、７、８は系路 ２はローパスフィルタ ４はハイパスフィルタ ６、９は合成回路 ＳＷはスイッチ 1, 3, 5, 7, and 8 are paths 2. Low-pass filter 4 is a high-pass filter 6, 9 is a synthesis circuit. SW is a switch.
Claims (6)
信号と超高音域の音声信号とを別々に取り出し、これら
両音声信号を前記音声入力信号と合成して出力するよう
にしたことを特徴とする音声信号調整方法。An audio signal having a frequency range of low and high frequencies and an audio signal having a very high frequency range are separately extracted from an audio input signal, and the two audio signals are combined with the audio input signal and output. Characteristic audio signal adjustment method.
音域までの音声信号と超高音域から高音域までの音声信
号とを別々に取り出し、これら両音声信号を前記音声入
力信号と合成して出力させるようにしたことを特徴とす
る音声信号調整方法。2. A voice signal having a frequency ranging from a deep bass range to a low frequency range and a voice signal ranging from a super-high range to a high frequency range are separately extracted from a voice input signal, and both voice signals are synthesized with the voice input signal. An audio signal adjustment method, characterized in that the audio signal is adjusted and output.
け、その一つの系路（１）に音声入力信号から周波数が
重低音域の音声信号を取り出すローパスフィルタ（２）
を設け、他の系路（３）に音声入力信号から超高音域の
音声信号を取り出すハイパスフィルタ（４）を設け、他
の一つの系路（５）は音声入力信号をそのまま通過させ
るスルー系路とし、これら３つの系路（１、３、５）の
出力側に、各系路（１、３、５）から出力される音声信
号を合成して出力する合成回路（６）を設けたことを特
徴とする音声信号調整装置。3. A low-pass filter (2) which divides a path through which an audio input signal is transmitted into three paths and extracts an audio signal having a frequency range from low to high from the audio input signal to one of the paths (1).
The other system (3) is provided with a high-pass filter (4) for extracting an audio signal in an ultra-high frequency range from the audio input signal, and the other system (5) is a through system for passing the audio input signal as it is. And a synthesizing circuit (6) for synthesizing and outputting audio signals output from the respective paths (1, 3, 5) on the output side of these three paths (1, 3, 5). An audio signal adjustment device characterized by the above-mentioned.
け、その一つの系路（１）に音声入力信号から周波数が
重低音域の音声信号を取り出すローパスフィルタ（２）
と超高音域の音声信号を取り出すハイパスフィルタ
（４）のいずれか一方を設け、他の一つの系路（５）は
音声入力信号をそのまま通過させるスルー系路とし、両
系路（１、５）の出力側に両系路（１、５）から出力さ
れる音声信号を合成する合成回路（６）を設け、同合成
回路（６）の出力側を二つの系路（７、８）に分け、そ
のうちの一方の系路（７）に前記フィルタと異なる他方
のフィルタを設け、他方の系路（８）をスルー系路と
し、両系路（７、８）の出力側に両系路（７、８）から
出力される音声信号を合成して出力する合成回路（９）
を設けたことを特徴とする音声信号調整装置。4. A low-pass filter (2) which divides a path through which an audio input signal is transmitted into two paths and extracts an audio signal having a frequency range from low to high from the audio input signal to one of the paths (1).
And a high-pass filter (4) for extracting an audio signal in an ultra-high frequency range, and the other system (5) is a through system for passing the audio input signal as it is. ), A synthesizing circuit (6) for synthesizing audio signals output from both paths (1, 5) is provided, and the output side of the synthesizing circuit (6) is connected to two paths (7, 8). And one of the paths (7) is provided with another filter different from the above-mentioned filter, and the other path (8) is used as a through path, and both paths are provided on the output side of both paths (7, 8). A synthesizing circuit (9) for synthesizing and outputting the audio signal output from (7, 8)
An audio signal adjustment device comprising:
音域までの音声信号を取り出し可能なものとし、ハイパ
スフィルタ（４）を超高音域から高音域までの音声信号
を取り出し可能なものとしたことを特徴とする請求項３
又は請求項４記載の音声信号調整装置。5. A low-pass filter (2) capable of extracting an audio signal from a deep bass range to a low frequency range, and a high-pass filter (4) capable of extracting an audio signal from a super-high range to a high frequency range. 4. The method according to claim 3, wherein
Alternatively, the audio signal adjusting device according to claim 4.
７、８）の全部又は一部にスイッチＳＷを挿入して、そ
れらスイッチＳＷの切替えにより、夫々の系路を伝送さ
れる音声信号のＯＮ、ＯＦＦ可能としたことを請求項３
又は請求項４記載の音声信号調整装置。6. A system for transmitting audio signals (1, 3, 5, 5).
7. A switch SW is inserted in all or a part of 7, 8), and by switching the switches SW, an audio signal transmitted through each path can be turned on and off.
Alternatively, the audio signal adjusting device according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8273394A JPH1079634A (en) | 1996-07-12 | 1996-10-16 | Sound signal adjustment method and sound signal adjustment device used for the method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18374696 | 1996-07-12 | ||
| JP8-183746 | 1996-07-12 | ||
| JP8273394A JPH1079634A (en) | 1996-07-12 | 1996-10-16 | Sound signal adjustment method and sound signal adjustment device used for the method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1079634A true JPH1079634A (en) | 1998-03-24 |
Family
ID=26502052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8273394A Pending JPH1079634A (en) | 1996-07-12 | 1996-10-16 | Sound signal adjustment method and sound signal adjustment device used for the method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1079634A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100932597B1 (en) | 2006-11-21 | 2009-12-17 | 산요덴키가부시키가이샤 | Sound quality adjustment circuit and signal characteristic adjustment circuit |
-
1996
- 1996-10-16 JP JP8273394A patent/JPH1079634A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100932597B1 (en) | 2006-11-21 | 2009-12-17 | 산요덴키가부시키가이샤 | Sound quality adjustment circuit and signal characteristic adjustment circuit |
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