AUDIO DEVICE AND CONTROL METHOD THEREFOR
The present invention relates to an audio device and a control method therefor, and more specifically, to a technique for a center channel generation method for improving sound playback quality in a stereo audio device. An audio device according to one embodiment comprises: a signal reception unit f...
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| creator | KIM, Tae Woo SEO, Young Jo KIM, Min CHOI, Sang-Il WEY, Ho Seok |
| description | The present invention relates to an audio device and a control method therefor, and more specifically, to a technique for a center channel generation method for improving sound playback quality in a stereo audio device. An audio device according to one embodiment comprises: a signal reception unit for receiving a left channel signal and a right channel signal of a stereo audio signal; at least one filter for filtering a signal of a band exceeding a predetermined frequency, on the basis of a frequency band of each of the received left and right channel signals; and a control unit for generating a center channel signal of the stereo audio signal on the basis of the left and right channel signals having passed through the filter, calculating signal level sensitivity between the left and right channel signals having passed through the filter, determining similarity between the left and right channel signals on the basis of the calculated signal level sensitivity, and performing control such that the generated center channel signal is outputted in correspondence to the determined similarity.
La présente invention concerne un dispositif audio et un procédé de commande pour celui-ci, et plus spécifiquement, une technique pour un procédé de génération de canal central pour améliorer la qualité de lecture du son dans un dispositif audio stéréo. Un dispositif audio selon un mode de réalisation comprend : une unité de réception de signal pour recevoir un signal de canal gauche et un signal de canal droit d'un signal audio stéréo; au moins un filtre pour filtrer un signal d'une bande dépassant une fréquence prédéterminée, sur la base d'une bande de fréquences de chacun des signaux de canal gauche et droit reçus; et une unité de commande pour générer un signal de canal central du signal audio stéréo sur la base des signaux de canal gauche et droit ayant traversé le filtre, calculer une sensibilité de niveau de signal entre les signaux de canal gauche et droit ayant traversé le filtre, à déterminer une similarité entre les signaux de canal gauche et droit sur la base de la sensibilité de niveau de signal calculée, et à effectuer une commande de telle sorte que le signal de canal central généré est délivré en correspondance avec la similarité déterminée.
오디오 장치 및 그 제어방법에 관한 것으로, 보다 상세하게는 스테레오 오디오 장치에서 음향 재생 품질을 개선하기 위한 센터 채널 생성 방법에 대한 기술에 관한 것이다. 일 실시예에 따른 오디오 장치는, 스테레오 오디오 신호의 좌측 채널 신호 및 우측 채널 신호를 수신하는 신호 수신부, 상기 수신된 좌측 채널 신호 및 우측 채널 신호 각각의 주파수 대역에 기초하여 미리 정해진 주파수를 초과하는 |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_WO2020032624A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>WO2020032624A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_WO2020032624A13</originalsourceid><addsrcrecordid>eNrjZNBwDHXx9FdwcQ3zdHZVcPRzUXD29wsJ8vdR8HUN8fB3UQjxcA1ydfMP4mFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8eH-RgZGBgbGRmZGJo6GxsSpAgB-3iS_</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>AUDIO DEVICE AND CONTROL METHOD THEREFOR</title><source>esp@cenet</source><creator>KIM, Tae Woo ; SEO, Young Jo ; KIM, Min ; CHOI, Sang-Il ; WEY, Ho Seok</creator><creatorcontrib>KIM, Tae Woo ; SEO, Young Jo ; KIM, Min ; CHOI, Sang-Il ; WEY, Ho Seok</creatorcontrib><description>The present invention relates to an audio device and a control method therefor, and more specifically, to a technique for a center channel generation method for improving sound playback quality in a stereo audio device. An audio device according to one embodiment comprises: a signal reception unit for receiving a left channel signal and a right channel signal of a stereo audio signal; at least one filter for filtering a signal of a band exceeding a predetermined frequency, on the basis of a frequency band of each of the received left and right channel signals; and a control unit for generating a center channel signal of the stereo audio signal on the basis of the left and right channel signals having passed through the filter, calculating signal level sensitivity between the left and right channel signals having passed through the filter, determining similarity between the left and right channel signals on the basis of the calculated signal level sensitivity, and performing control such that the generated center channel signal is outputted in correspondence to the determined similarity.
La présente invention concerne un dispositif audio et un procédé de commande pour celui-ci, et plus spécifiquement, une technique pour un procédé de génération de canal central pour améliorer la qualité de lecture du son dans un dispositif audio stéréo. Un dispositif audio selon un mode de réalisation comprend : une unité de réception de signal pour recevoir un signal de canal gauche et un signal de canal droit d'un signal audio stéréo; au moins un filtre pour filtrer un signal d'une bande dépassant une fréquence prédéterminée, sur la base d'une bande de fréquences de chacun des signaux de canal gauche et droit reçus; et une unité de commande pour générer un signal de canal central du signal audio stéréo sur la base des signaux de canal gauche et droit ayant traversé le filtre, calculer une sensibilité de niveau de signal entre les signaux de canal gauche et droit ayant traversé le filtre, à déterminer une similarité entre les signaux de canal gauche et droit sur la base de la sensibilité de niveau de signal calculée, et à effectuer une commande de telle sorte que le signal de canal central généré est délivré en correspondance avec la similarité déterminée.
오디오 장치 및 그 제어방법에 관한 것으로, 보다 상세하게는 스테레오 오디오 장치에서 음향 재생 품질을 개선하기 위한 센터 채널 생성 방법에 대한 기술에 관한 것이다. 일 실시예에 따른 오디오 장치는, 스테레오 오디오 신호의 좌측 채널 신호 및 우측 채널 신호를 수신하는 신호 수신부, 상기 수신된 좌측 채널 신호 및 우측 채널 신호 각각의 주파수 대역에 기초하여 미리 정해진 주파수를 초과하는 대역의 신호를 차단하는 적어도 하나의 필터 및 상기 필터를 통과한 좌측 채널 신호 및 우측 채널 신호에 기초하여 상기 스테레오 오디오 신호의 센터 채널 신호를 생성하고, 상기 필터를 통과한 좌측 채널 신호 및 우측 채널 신호간의 신호 레벨 감도를 산출하고, 상기 산출된 신호 레벨 감도에 기초하여 상기 좌측 채널 신호와 상기 우측 채널 신호의 유사도를 결정하고, 상기 결정된 유사도에 대응하여 상기 생성된 센터 채널 신호가 출력되도록 제어하는 제어부를 포함한다.</description><language>eng ; fre ; kor</language><subject>ACOUSTICS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; MUSICAL INSTRUMENTS ; PHYSICS ; SPEECH ANALYSIS OR SYNTHESIS ; SPEECH OR AUDIO CODING OR DECODING ; SPEECH OR VOICE PROCESSING ; SPEECH RECOGNITION ; STEREOPHONIC SYSTEMS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200213&DB=EPODOC&CC=WO&NR=2020032624A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200213&DB=EPODOC&CC=WO&NR=2020032624A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIM, Tae Woo</creatorcontrib><creatorcontrib>SEO, Young Jo</creatorcontrib><creatorcontrib>KIM, Min</creatorcontrib><creatorcontrib>CHOI, Sang-Il</creatorcontrib><creatorcontrib>WEY, Ho Seok</creatorcontrib><title>AUDIO DEVICE AND CONTROL METHOD THEREFOR</title><description>The present invention relates to an audio device and a control method therefor, and more specifically, to a technique for a center channel generation method for improving sound playback quality in a stereo audio device. An audio device according to one embodiment comprises: a signal reception unit for receiving a left channel signal and a right channel signal of a stereo audio signal; at least one filter for filtering a signal of a band exceeding a predetermined frequency, on the basis of a frequency band of each of the received left and right channel signals; and a control unit for generating a center channel signal of the stereo audio signal on the basis of the left and right channel signals having passed through the filter, calculating signal level sensitivity between the left and right channel signals having passed through the filter, determining similarity between the left and right channel signals on the basis of the calculated signal level sensitivity, and performing control such that the generated center channel signal is outputted in correspondence to the determined similarity.
La présente invention concerne un dispositif audio et un procédé de commande pour celui-ci, et plus spécifiquement, une technique pour un procédé de génération de canal central pour améliorer la qualité de lecture du son dans un dispositif audio stéréo. Un dispositif audio selon un mode de réalisation comprend : une unité de réception de signal pour recevoir un signal de canal gauche et un signal de canal droit d'un signal audio stéréo; au moins un filtre pour filtrer un signal d'une bande dépassant une fréquence prédéterminée, sur la base d'une bande de fréquences de chacun des signaux de canal gauche et droit reçus; et une unité de commande pour générer un signal de canal central du signal audio stéréo sur la base des signaux de canal gauche et droit ayant traversé le filtre, calculer une sensibilité de niveau de signal entre les signaux de canal gauche et droit ayant traversé le filtre, à déterminer une similarité entre les signaux de canal gauche et droit sur la base de la sensibilité de niveau de signal calculée, et à effectuer une commande de telle sorte que le signal de canal central généré est délivré en correspondance avec la similarité déterminée.
오디오 장치 및 그 제어방법에 관한 것으로, 보다 상세하게는 스테레오 오디오 장치에서 음향 재생 품질을 개선하기 위한 센터 채널 생성 방법에 대한 기술에 관한 것이다. 일 실시예에 따른 오디오 장치는, 스테레오 오디오 신호의 좌측 채널 신호 및 우측 채널 신호를 수신하는 신호 수신부, 상기 수신된 좌측 채널 신호 및 우측 채널 신호 각각의 주파수 대역에 기초하여 미리 정해진 주파수를 초과하는 대역의 신호를 차단하는 적어도 하나의 필터 및 상기 필터를 통과한 좌측 채널 신호 및 우측 채널 신호에 기초하여 상기 스테레오 오디오 신호의 센터 채널 신호를 생성하고, 상기 필터를 통과한 좌측 채널 신호 및 우측 채널 신호간의 신호 레벨 감도를 산출하고, 상기 산출된 신호 레벨 감도에 기초하여 상기 좌측 채널 신호와 상기 우측 채널 신호의 유사도를 결정하고, 상기 결정된 유사도에 대응하여 상기 생성된 센터 채널 신호가 출력되도록 제어하는 제어부를 포함한다.</description><subject>ACOUSTICS</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PHYSICS</subject><subject>SPEECH ANALYSIS OR SYNTHESIS</subject><subject>SPEECH OR AUDIO CODING OR DECODING</subject><subject>SPEECH OR VOICE PROCESSING</subject><subject>SPEECH RECOGNITION</subject><subject>STEREOPHONIC SYSTEMS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNBwDHXx9FdwcQ3zdHZVcPRzUXD29wsJ8vdR8HUN8fB3UQjxcA1ydfMP4mFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8eH-RgZGBgbGRmZGJo6GxsSpAgB-3iS_</recordid><startdate>20200213</startdate><enddate>20200213</enddate><creator>KIM, Tae Woo</creator><creator>SEO, Young Jo</creator><creator>KIM, Min</creator><creator>CHOI, Sang-Il</creator><creator>WEY, Ho Seok</creator><scope>EVB</scope></search><sort><creationdate>20200213</creationdate><title>AUDIO DEVICE AND CONTROL METHOD THEREFOR</title><author>KIM, Tae Woo ; SEO, Young Jo ; KIM, Min ; CHOI, Sang-Il ; WEY, Ho Seok</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2020032624A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; kor</language><creationdate>2020</creationdate><topic>ACOUSTICS</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PHYSICS</topic><topic>SPEECH ANALYSIS OR SYNTHESIS</topic><topic>SPEECH OR AUDIO CODING OR DECODING</topic><topic>SPEECH OR VOICE PROCESSING</topic><topic>SPEECH RECOGNITION</topic><topic>STEREOPHONIC SYSTEMS</topic><toplevel>online_resources</toplevel><creatorcontrib>KIM, Tae Woo</creatorcontrib><creatorcontrib>SEO, Young Jo</creatorcontrib><creatorcontrib>KIM, Min</creatorcontrib><creatorcontrib>CHOI, Sang-Il</creatorcontrib><creatorcontrib>WEY, Ho Seok</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIM, Tae Woo</au><au>SEO, Young Jo</au><au>KIM, Min</au><au>CHOI, Sang-Il</au><au>WEY, Ho Seok</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>AUDIO DEVICE AND CONTROL METHOD THEREFOR</title><date>2020-02-13</date><risdate>2020</risdate><abstract>The present invention relates to an audio device and a control method therefor, and more specifically, to a technique for a center channel generation method for improving sound playback quality in a stereo audio device. An audio device according to one embodiment comprises: a signal reception unit for receiving a left channel signal and a right channel signal of a stereo audio signal; at least one filter for filtering a signal of a band exceeding a predetermined frequency, on the basis of a frequency band of each of the received left and right channel signals; and a control unit for generating a center channel signal of the stereo audio signal on the basis of the left and right channel signals having passed through the filter, calculating signal level sensitivity between the left and right channel signals having passed through the filter, determining similarity between the left and right channel signals on the basis of the calculated signal level sensitivity, and performing control such that the generated center channel signal is outputted in correspondence to the determined similarity.
La présente invention concerne un dispositif audio et un procédé de commande pour celui-ci, et plus spécifiquement, une technique pour un procédé de génération de canal central pour améliorer la qualité de lecture du son dans un dispositif audio stéréo. Un dispositif audio selon un mode de réalisation comprend : une unité de réception de signal pour recevoir un signal de canal gauche et un signal de canal droit d'un signal audio stéréo; au moins un filtre pour filtrer un signal d'une bande dépassant une fréquence prédéterminée, sur la base d'une bande de fréquences de chacun des signaux de canal gauche et droit reçus; et une unité de commande pour générer un signal de canal central du signal audio stéréo sur la base des signaux de canal gauche et droit ayant traversé le filtre, calculer une sensibilité de niveau de signal entre les signaux de canal gauche et droit ayant traversé le filtre, à déterminer une similarité entre les signaux de canal gauche et droit sur la base de la sensibilité de niveau de signal calculée, et à effectuer une commande de telle sorte que le signal de canal central généré est délivré en correspondance avec la similarité déterminée.
오디오 장치 및 그 제어방법에 관한 것으로, 보다 상세하게는 스테레오 오디오 장치에서 음향 재생 품질을 개선하기 위한 센터 채널 생성 방법에 대한 기술에 관한 것이다. 일 실시예에 따른 오디오 장치는, 스테레오 오디오 신호의 좌측 채널 신호 및 우측 채널 신호를 수신하는 신호 수신부, 상기 수신된 좌측 채널 신호 및 우측 채널 신호 각각의 주파수 대역에 기초하여 미리 정해진 주파수를 초과하는 대역의 신호를 차단하는 적어도 하나의 필터 및 상기 필터를 통과한 좌측 채널 신호 및 우측 채널 신호에 기초하여 상기 스테레오 오디오 신호의 센터 채널 신호를 생성하고, 상기 필터를 통과한 좌측 채널 신호 및 우측 채널 신호간의 신호 레벨 감도를 산출하고, 상기 산출된 신호 레벨 감도에 기초하여 상기 좌측 채널 신호와 상기 우측 채널 신호의 유사도를 결정하고, 상기 결정된 유사도에 대응하여 상기 생성된 센터 채널 신호가 출력되도록 제어하는 제어부를 포함한다.</abstract><oa>free_for_read</oa></addata></record> |
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| title | AUDIO DEVICE AND CONTROL METHOD THEREFOR |
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