JP2005317417A - Dimming device for tuning voice signals - Google Patents

Dimming device for tuning voice signals Download PDF

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JP2005317417A
JP2005317417A JP2004135401A JP2004135401A JP2005317417A JP 2005317417 A JP2005317417 A JP 2005317417A JP 2004135401 A JP2004135401 A JP 2004135401A JP 2004135401 A JP2004135401 A JP 2004135401A JP 2005317417 A JP2005317417 A JP 2005317417A
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JP4426368B2 (en
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Kenji Kubo
健二 久保
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a dimming device for tuning voice signals that can be dimmed at such a tempo as matching user's preference. <P>SOLUTION: A dimming device for tuning voice signals has a voice signal inputting means, a lighting means, and a signal transforming means for transforming voice signals inputted from the voice signal inputting means into dimming signals for outputting to the lighting means. The signal transforming means samples in sequence the signal levels of the voice signals at predetermined sampling intervals, as well as calculates differences between the signal levels of the voice signals sampled in preceding time and the signal levels of the voice signals sampled this time as differential levels. The signal levels of the dimming signals are changed at predetermined dimming intervals depending on the differential levels, and further the sampling intervals can be changed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、音声信号同調調光装置に関するものである。   The present invention relates to an audio signal tuning dimmer.

従来より、音声による聴覚刺激だけでなく、それに照明による視覚刺激を加えることによって、臨場感を増大させるための装置として、音声信号に基づいて調光信号を生成する音声信号同調調光装置が使用されている。   Conventionally, an audio signal tuning and dimming device that generates a dimming signal based on an audio signal has been used as a device to increase the sense of reality by adding not only auditory stimulation by sound but also visual stimulation by illumination to it. Has been.

この音声信号同調調光装置は、音声入力手段と照明手段と音声入力手段から入力された音声信号を照明手段へ出力する調光信号に変換する信号変換手段とで構成していた。   This audio signal tuning and dimming device is composed of audio input means, illumination means, and signal conversion means for converting an audio signal input from the audio input means into a dimming signal output to the illumination means.

そして、信号変換手段では、音声入力手段から入力された音声信号の信号レベルを常に一定のサンプリング間隔で順次サンプリングし、サンプリング間隔と同一の間隔で調光信号に変換するようにしていた(たとえば、特許文献1参照。)。
実開昭52−108886号公報
In the signal conversion means, the signal level of the audio signal input from the audio input means is always sequentially sampled at a constant sampling interval, and converted into a dimming signal at the same sampling interval (for example, (See Patent Document 1).
Japanese Utility Model Publication No. 52-108886

ところが、従来の音声信号同調調光装置では、常に一定のサンプリング間隔で音声信号を調光信号に変換していたために、音声信号の信号レベルの増減と調光信号の信号レベルの増減とが一致している反面、音声のテンポと調光のテンポとが一致していなかった。   However, in the conventional audio signal tuning and dimming device, since the audio signal is always converted into the dimming signal at a constant sampling interval, the increase and decrease of the signal level of the audio signal and the increase and decrease of the signal level of the dimming signal are the same. On the other hand, the audio tempo and the dimming tempo did not match.

すなわち、従来の音声信号同調調光装置では、テンポが緩やかな音声であっても、信号レベルが激しく変動する場合には、それに伴って光の強弱も激しく変動してしまい、一方、テンポが速い音声であっても、信号レベルの変動が少ない場合には、それに伴って光の強弱が少なくなっていた。   That is, in the conventional audio signal tuning and dimming device, even if the tempo is slow, if the signal level fluctuates violently, the intensity of the light fluctuates violently, while the tempo is fast. Even in the case of sound, when the signal level fluctuation is small, the intensity of light decreases accordingly.

このように、従来の音声信号同調調光装置では、音声のテンポと調光のテンポとが一致していなかったために、使用者に不快感を与えてしまうおそれがあった。   As described above, in the conventional audio signal tuning and dimming device, the audio tempo and the dimming tempo do not match, which may cause discomfort to the user.

そこで、請求項1に係る本発明では、音声入力手段と照明手段と前記音声入力手段から入力された音声信号を前記照明手段へ出力する調光信号に変換する信号変換手段とを有する音声信号同調調光装置において、前記信号変換手段は、前記音声信号の信号レベルを所定のサンプリング間隔で順次サンプリングするとともに、前回サンプリングした音声信号の信号レベルと今回サンプリングした音声信号の信号レベルとの差を差分レベルとして算出し、この差分レベルに応じて前記調光信号の信号レベルを所定の調光間隔で変化させ、しかも、前記サンプリング間隔を変更できるように構成することにした。   Therefore, according to the first aspect of the present invention, the sound signal tuning means includes sound input means, illumination means, and signal conversion means for converting a sound signal input from the sound input means into a dimming signal output to the illumination means. In the light control device, the signal conversion unit sequentially samples the signal level of the audio signal at a predetermined sampling interval, and calculates a difference between the signal level of the previously sampled audio signal and the signal level of the currently sampled audio signal. It is calculated as a level, and the signal level of the dimming signal is changed at a predetermined dimming interval according to the difference level, and the sampling interval can be changed.

また、請求項2に係る本発明では、前記請求項1に係る本発明において、前記信号変換手段は、前記調光間隔を変更できるように構成することにした。   Further, in the present invention according to claim 2, in the present invention according to claim 1, the signal conversion means is configured to be able to change the dimming interval.

また、請求項3に係る本発明では、前記請求項1又は請求項2に係る本発明において、前記信号変換手段は、前記音声信号を複数の周波数帯域毎に前記調光信号に変換するように構成することにした。   Further, in the present invention according to claim 3, in the present invention according to claim 1 or 2, the signal converting means converts the audio signal into the dimming signal for each of a plurality of frequency bands. Decided to configure.

そして、本発明では、以下に記載する効果を奏する。   And in this invention, there exists an effect described below.

すなわち、請求項1に係る本発明では、音声入力手段と照明手段と前記音声入力手段から入力された音声信号を前記照明手段へ出力する調光信号に変換する信号変換手段とを有する音声信号同調調光装置において、前記信号変換手段は、前記音声信号の信号レベルを所定のサンプリング間隔で順次サンプリングするとともに、前回サンプリングした音声信号の信号レベルと今回サンプリングした音声信号の信号レベルとの差を差分レベルとして算出し、この差分レベルに応じて前記調光信号の信号レベルを所定の調光間隔で変化させ、しかも、前記サンプリング間隔を変更できるように構成しているために、使用者がサンプリング間隔を変更することによって自分の好みや感性に合った調光を行うことができ、使用者に爽快感を与えることができる。   That is, in the present invention according to claim 1, an audio signal tuning unit comprising audio input means, illumination means, and signal conversion means for converting an audio signal input from the audio input means into a dimming signal output to the illumination means. In the light control device, the signal conversion unit sequentially samples the signal level of the audio signal at a predetermined sampling interval, and calculates a difference between the signal level of the previously sampled audio signal and the signal level of the currently sampled audio signal. It is calculated as a level, and the signal level of the dimming signal is changed at a predetermined dimming interval according to the difference level, and the sampling interval can be changed. By changing the, you can adjust the light to suit your taste and sensitivity, giving a refreshing feeling to the user Kill.

また、請求項2に係る本発明では、調光間隔を変更できるようにしているために、これによっても、自分の好みや感性に合った調光を行うことができ、使用者に爽快感を与えることができる。   Further, in the present invention according to claim 2, since the dimming interval can be changed, it is possible to perform dimming that suits the user's preference and sensibility. Can be given.

また、請求項3に係る本発明では、音声信号を複数の周波数帯域毎に調光信号に変換するようにしているために、音声信号の周波数帯域毎に照明手段の調光を行わせることができ、これによっても、自分の好みや感性に合った調光を行うことができ、使用者に爽快感を与えることができる。   In the present invention according to claim 3, since the audio signal is converted into a dimming signal for each of a plurality of frequency bands, the dimming of the illumination means can be performed for each frequency band of the audio signal. In this way, it is possible to perform dimming according to one's preference and sensibility and to give the user a refreshing feeling.

本発明に係る音声信号同調調光装置は、音声入力手段と照明手段と音声入力手段から入力された音声信号を照明手段へ出力する調光信号に変換する信号変換手段とで構成したものである。   The audio signal tuning and dimming device according to the present invention is composed of audio input means, illumination means, and signal conversion means for converting an audio signal input from the audio input means into a dimming signal output to the illumination means. .

そして、信号変換手段では、音声信号を複数の周波数帯域に分割し、各帯域の音声信号の信号レベルを所定のサンプリング間隔で順次サンプリングし、その後、前回サンプリングした音声信号の信号レベルと今回サンプリングした音声信号の信号レベルとの差を差分レベルとして算出し、この差分レベルに応じて前記調光信号の信号レベルを所定の調光間隔で変化させるようにしたものである。   The signal conversion means divides the audio signal into a plurality of frequency bands, sequentially samples the signal level of the audio signal in each band at a predetermined sampling interval, and then samples the signal level of the previously sampled audio signal and this time The difference from the signal level of the audio signal is calculated as a difference level, and the signal level of the dimming signal is changed at a predetermined dimming interval according to the difference level.

特に、本発明では、使用者の好みに応じてサンプリング間隔や調光間隔を変更できるようにしたものである。   In particular, in the present invention, the sampling interval and dimming interval can be changed according to the user's preference.

このように、サンプリング間隔や調光間隔を変更できるようにすることによって、使用者がサンプリング間隔や調光間隔を自分の好みに合わせて自由に変更することができ、自分の好みや感性に合った調光を行うことができ、使用者に爽快感を与えることができる。   In this way, by making it possible to change the sampling interval and dimming interval, the user can freely change the sampling interval and dimming interval according to his / her preference and suits his / her preference and sensitivity. Dimming can be performed, and a refreshing feeling can be given to the user.

なお、本発明では、調光間隔を予め設定した固定間隔としてもよく、また、音声信号を複数の周波数帯域に分割することなく調光信号に変換してもよい。   In the present invention, the dimming interval may be a fixed interval set in advance, or the audio signal may be converted into a dimming signal without being divided into a plurality of frequency bands.

以下に、本発明に係る音声信号同調調光装置の具体的な構成について図面を参酌しながら説明する。   Hereinafter, a specific configuration of the audio signal tuning and dimming device according to the present invention will be described with reference to the drawings.

音声信号同調調光装置1は、図1に示すように、音声入力手段2と信号変換手段3と照明手段4とで構成している。   As shown in FIG. 1, the audio signal tuning and dimming device 1 includes an audio input unit 2, a signal conversion unit 3, and an illumination unit 4.

音声入力手段2は、マイクや接続端子などのように外部から音声信号を入力し、4種類のバンドパスフィルターによって音声信号を4種類の周波数帯域に分割し、各帯域の音声信号を信号変換手段3へ出力するように構成している。   The audio input means 2 inputs an audio signal from the outside like a microphone or a connection terminal, divides the audio signal into four frequency bands by four types of bandpass filters, and converts the audio signal in each band into a signal conversion unit 3 is configured to output to 3.

また、照明手段4は、信号変換手段3から入力した調光信号に基づいてLEDやランプなどの複数色の照明の調光を行うように構成している。   In addition, the illumination unit 4 is configured to perform dimming of illuminations of a plurality of colors such as LEDs and lamps based on the dimming signal input from the signal conversion unit 3.

この照明手段4では、音声信号の帯域毎に異なる色の照明の調光を行うようにしている。   The illumination means 4 performs dimming of illumination of different colors for each band of the audio signal.

さらに、信号変換手段3は、音声入力手段2から入力された音声信号を照明手段4へ出力する調光信号に変換するように構成している。   Further, the signal conversion unit 3 is configured to convert the audio signal input from the audio input unit 2 into a dimming signal output to the illumination unit 4.

この信号変換手段3は、図1に示すように、A/D変換手段5と波形整形手段6と差分レベル算出手段7と調光信号生成手段8とを有し、A/D変換手段5にはサンプリング間隔変更手段9が接続され、また、波形整形手段6には調光間隔変更手段10が接続されている。   As shown in FIG. 1, the signal conversion unit 3 includes an A / D conversion unit 5, a waveform shaping unit 6, a difference level calculation unit 7, and a dimming signal generation unit 8, and the A / D conversion unit 5 includes The sampling interval changing means 9 is connected to the waveform shaping means 6, and the dimming interval changing means 10 is connected to the waveform shaping means 6.

この信号変換手段3の各部の構成について以下に説明する。   The configuration of each part of the signal conversion means 3 will be described below.

A/D変換手段5は、音声入力手段2から入力された各帯域毎の音声信号(アナログ信号)をサンプリング間隔変更手段9で設定されたサンプリング間隔でデジタル信号に変換して波形整形手段6へ出力するように構成している。   The A / D conversion unit 5 converts the audio signal (analog signal) for each band input from the audio input unit 2 into a digital signal at the sampling interval set by the sampling interval changing unit 9 and supplies the digital signal to the waveform shaping unit 6. It is configured to output.

サンプリング間隔変更手段9は、ボリュームを調整することによってサンプリング間隔を3〜2048msの間で任意に変更することができ、設定したサンプリング間隔を示すサンプリング信号をA/D変換手段5へ出力するように構成している。   The sampling interval changing unit 9 can arbitrarily change the sampling interval between 3 to 2048 ms by adjusting the volume, and outputs a sampling signal indicating the set sampling interval to the A / D conversion unit 5. It is composed.

波形整形手段6は、A/D変換手段5から入力された各帯域毎のデジタル信号を各帯域毎に予め設定した整数倍して差分レベル算出手段7へ出力するとともに、サンプリング間隔変更手段9から入力されたサンプリング信号と調光間隔変更手段10から入力された調光間隔信号と各信号毎に予め設定した整数倍して調光信号生成手段8へ出力するように構成している。   The waveform shaping means 6 multiplies the digital signal for each band input from the A / D conversion means 5 by an integer set in advance for each band and outputs the result to the difference level calculation means 7 and from the sampling interval changing means 9. The input sampling signal and the dimming interval signal input from the dimming interval changing means 10 are multiplied by a preset integer for each signal and output to the dimming signal generating means 8.

この波形整形手段6では、ボリュームを調整することによって各信号毎に任意の倍数に設定できるようにしている。これにより、使用者の好みに応じて各色の照明の調光を自由に設定することができる。   This waveform shaping means 6 can be set to an arbitrary multiple for each signal by adjusting the volume. Thereby, dimming of the illumination of each color can be freely set according to the user's preference.

調光間隔変更手段10は、ボリュームを調整することによって調光間隔を1〜6msの間で任意に変更することができ、設定した調光間隔を示す調光間隔信号を波形整形手段6へ出力するように構成している。   The dimming interval changing unit 10 can arbitrarily change the dimming interval between 1 to 6 ms by adjusting the volume, and outputs a dimming interval signal indicating the set dimming interval to the waveform shaping unit 6. It is configured to do.

差分レベル算出手段7は、波形整形手段6から順次入力される音声信号(デジタル信号)のレベルを記憶しておき、A/D変換手段5で前回サンプリングされた音声信号の信号レベルと今回サンプリングされた音声信号の信号レベルとの差を差分レベルとして算出して、その差分レベルを調光信号生成手段8へ出力するように構成している。   The difference level calculation means 7 stores the level of the audio signal (digital signal) sequentially input from the waveform shaping means 6, and the signal level of the audio signal sampled last time by the A / D conversion means 5 and this time sampling. The difference from the signal level of the audio signal is calculated as a difference level, and the difference level is output to the dimming signal generation means 8.

調光信号生成手段8は、波形整形手段6から入力されたサンプリング間隔と調光間隔とに基づき、サンプリング間隔を調光間隔で除算することによって調光回数を算出するとともに、差分レベル算出手段7から入力された差分レベルを調光回数で除算することによって調光輝度を算出し、この調光輝度に基づいて調光信号を生成して、この調光信号を調光間隔で照明手段4へ出力するように構成している。   The dimming signal generation unit 8 calculates the number of dimming operations by dividing the sampling interval by the dimming interval based on the sampling interval and the dimming interval input from the waveform shaping unit 6, and the difference level calculation unit 7. The dimming luminance is calculated by dividing the difference level input from the dimming frequency, a dimming signal is generated based on the dimming luminance, and the dimming signal is sent to the illumination means 4 at the dimming interval. It is configured to output.

たとえば、前回サンプリングした音声信号の信号レベルと今回サンプリングした音声信号の信号レベルとの差(差分レベル)が600mVであったとし、サンプリング間隔が300msに設定され、調光間隔が3msに設定されている場合には、サンプリング間隔と調光間隔との比から調光回数が100回(300ms/3ms)と算出され、調光輝度が6mV(600mV/100)と算出され、この調光輝度に基づいて300msの間に100段階輝度が変化する調光信号を生成する。   For example, if the difference (difference level) between the signal level of the previously sampled audio signal and the current sampled audio signal is 600 mV, the sampling interval is set to 300 ms and the dimming interval is set to 3 ms. If it is, the number of dimming is calculated as 100 times (300ms / 3ms) from the ratio of sampling interval and dimming interval, and the dimming brightness is calculated as 6mV (600mV / 100). Then, a dimming signal whose luminance changes in 100 steps is generated within 300 ms.

これに対して、サンプリング間隔を600msに設定した場合には、調光回数が200回(600ms/3ms)と算出され、調光輝度が3mV(600mV/200)と算出され、この調光輝度に基づいて600msの間に200段階輝度が変化する調光信号を生成する。   On the other hand, when the sampling interval is set to 600 ms, the dimming frequency is calculated as 200 times (600 ms / 3 ms), and the dimming brightness is calculated as 3 mV (600 mV / 200). Based on this, a dimming signal whose luminance changes in 200 steps in 600 ms is generated.

すなわち、サンプリング間隔を長く設定した場合には、1回の調光で変化する輝度が小さくなり、緩やかに輝度が変化するように調光され、一方、サンプリング間隔を短く設定した場合には、1回の調光で変化する輝度が大きくなり、急激に輝度が変化するように調光される。   That is, when the sampling interval is set to be long, the luminance that is changed by one light control is reduced, and the light is adjusted so that the luminance is gradually changed. On the other hand, when the sampling interval is set to be short, 1 is set. Dimming is performed such that the luminance that changes with each dimming increases and the luminance changes abruptly.

したがって、使用者の好みに応じてサンプリング間隔を変更することによって、音声信号のテンポにあった調光を行うことができる。   Therefore, dimming according to the tempo of the audio signal can be performed by changing the sampling interval according to the user's preference.

本発明に係る音声信号同調調光装置の構成を示すブロック図。The block diagram which shows the structure of the audio | voice signal tuning light control apparatus which concerns on this invention.

符号の説明Explanation of symbols

1 音声信号同調調光装置
2 音声入力手段
3 信号変換手段
4 照明手段
5 A/D変換手段
6 波形整形手段
7 差分レベル算出手段
8 調光信号生成手段
9 サンプリング間隔変更手段
10 調光間隔変更手段
DESCRIPTION OF SYMBOLS 1 Audio | voice signal tuning light control apparatus 2 Audio | voice input means 3 Signal conversion means 4 Illumination means 5 A / D conversion means 6 Waveform shaping means 7 Difference level calculation means 8 Dimming signal generation means 9 Sampling interval change means
10 Dimming interval change means

Claims (3)

音声入力手段と照明手段と前記音声入力手段から入力された音声信号を前記照明手段へ出力する調光信号に変換する信号変換手段とを有する音声信号同調調光装置において、
前記信号変換手段は、前記音声信号の信号レベルを所定のサンプリング間隔で順次サンプリングするとともに、前回サンプリングした音声信号の信号レベルと今回サンプリングした音声信号の信号レベルとの差を差分レベルとして算出し、この差分レベルに応じて前記調光信号の信号レベルを所定の調光間隔で変化させ、しかも、前記サンプリング間隔を変更できるように構成したことを特徴とする音声信号同調調光装置。
In an audio signal tuned dimming device comprising audio input means, illumination means, and signal conversion means for converting an audio signal input from the audio input means into a dimming signal output to the illumination means,
The signal conversion means sequentially samples the signal level of the audio signal at a predetermined sampling interval, and calculates the difference between the signal level of the previously sampled audio signal and the signal level of the currently sampled audio signal as a differential level, An audio signal tuning and dimming device configured to change the signal level of the dimming signal at a predetermined dimming interval according to the difference level and to change the sampling interval.
前記信号変換手段は、前記調光間隔を変更できるように構成したことを特徴とする請求項1に記載の音声信号同調調光装置。   2. The audio signal tuning and dimming device according to claim 1, wherein the signal converting unit is configured to change the dimming interval. 前記信号変換手段は、前記音声信号を複数の周波数帯域毎に前記調光信号に変換するように構成したことを特徴とする請求項1又は請求項2に記載の音声信号同調調光装置。   3. The audio signal tuning and dimming device according to claim 1, wherein the signal converting unit is configured to convert the audio signal into the dimming signal for each of a plurality of frequency bands.
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Cited By (2)

* Cited by examiner, † Cited by third party
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JP2021005473A (en) * 2019-06-25 2021-01-14 パナソニックIpマネジメント株式会社 Lighting device and lighting fixture
JP2021018878A (en) * 2019-07-18 2021-02-15 三菱電機株式会社 Controller and lighting control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021005473A (en) * 2019-06-25 2021-01-14 パナソニックIpマネジメント株式会社 Lighting device and lighting fixture
JP7361271B2 (en) 2019-06-25 2023-10-16 パナソニックIpマネジメント株式会社 Lighting devices and fixtures
JP2021018878A (en) * 2019-07-18 2021-02-15 三菱電機株式会社 Controller and lighting control system
JP7476491B2 (en) 2019-07-18 2024-05-01 三菱電機株式会社 Controllers and Lighting Control Systems

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