Dynamic device speaker tuning for echo control
Dynamic device speaker tuning for echo control includes detecting audio rendering from a speaker on a device; based at least on detecting the audio rendering, capturing, with a microphone on the device, an echo of the rendered audio; performing a Fourier Transform on the echo and the rendered audio;...
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| creator | EKIN BRADLEY ROBERT JOYA OMAR FORRESTER CHRISTOPHER MICHAEL |
| description | Dynamic device speaker tuning for echo control includes detecting audio rendering from a speaker on a device; based at least on detecting the audio rendering, capturing, with a microphone on the device, an echo of the rendered audio; performing a Fourier Transform on the echo and the rendered audio; determining a real-time transfer function for at least one signature band; determining a difference between the real-time transfer function and a reference transfer function; and tuning the speaker for audio rendering, based at least on the difference between the real-time transfer function and the reference transfer function, by adjusting an audio amplifier equalization. For some examples, the signature band represents a wall echo or an alternative mounting option. For some examples, the echo is collected during intervals while the audio rendering is ongoing.
用于回声控制的动态设备扬声器调谐包括：检测来自设备上的扬声器的音频渲染；至少基于检测到该音频渲染，利用该设备上的话筒来捕捉经渲染音频的回声；对该回声和经渲染音频执行傅里叶变换；确定针对至少一个签名频带的实时传递函数；确定该实时传递函数与参考传递函数之间的差异；以及至少基于该实时传递函数与该参考传递函数之间的差异 |
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用于回声控制的动态设备扬声器调谐包括：检测来自设备上的扬声器的音频渲染；至少基于检测到该音频渲染，利用该设备上的话筒来捕捉经渲染音频的回声；对该回声和经渲染音频执行傅里叶变换；确定针对至少一个签名频带的实时传递函数；确定该实时传递函数与参考传递函数之间的差异；以及至少基于该实时传递函数与该参考传递函数之间的差异</description><language>chi ; eng</language><subject>DEAF-AID SETS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; PUBLIC ADDRESS SYSTEMS ; STEREOPHONIC SYSTEMS</subject><creationdate>2021</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=20211116&DB=EPODOC&CC=CN&NR=113661720A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211116&DB=EPODOC&CC=CN&NR=113661720A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>EKIN BRADLEY ROBERT</creatorcontrib><creatorcontrib>JOYA OMAR</creatorcontrib><creatorcontrib>FORRESTER CHRISTOPHER MICHAEL</creatorcontrib><title>Dynamic device speaker tuning for echo control</title><description>Dynamic device speaker tuning for echo control includes detecting audio rendering from a speaker on a device; based at least on detecting the audio rendering, capturing, with a microphone on the device, an echo of the rendered audio; performing a Fourier Transform on the echo and the rendered audio; determining a real-time transfer function for at least one signature band; determining a difference between the real-time transfer function and a reference transfer function; and tuning the speaker for audio rendering, based at least on the difference between the real-time transfer function and the reference transfer function, by adjusting an audio amplifier equalization. For some examples, the signature band represents a wall echo or an alternative mounting option. For some examples, the echo is collected during intervals while the audio rendering is ongoing.
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用于回声控制的动态设备扬声器调谐包括：检测来自设备上的扬声器的音频渲染；至少基于检测到该音频渲染，利用该设备上的话筒来捕捉经渲染音频的回声；对该回声和经渲染音频执行傅里叶变换；确定针对至少一个签名频带的实时传递函数；确定该实时传递函数与参考传递函数之间的差异；以及至少基于该实时传递函数与该参考传递函数之间的差异</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS STEREOPHONIC SYSTEMS |
| title | Dynamic device speaker tuning for echo control |
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