최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0343000 (2016-11-03) |
등록번호 | US-9781513 (2017-10-03) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 581 |
Systems and method are provided herein for balancing of outputs from playback devices playing audio content in synchrony. In one embodiment, the balancing of outputs may involve receiving a first audio signal to be played by a first playback device according to a first crossover frequency, determini
Systems and method are provided herein for balancing of outputs from playback devices playing audio content in synchrony. In one embodiment, the balancing of outputs may involve receiving a first audio signal to be played by a first playback device according to a first crossover frequency, determining a limiting result by applying a limiting function associated with a second playback device to a second audio signal to be played by the second playback device according to a second crossover frequency, and based on the first limiting result, configuring the first playback device to play the first audio signal according to a third crossover frequency. In some cases, the first and second playback devices may be configured to play the first and second audio signals, respectively, in synchrony.
1. A first playback device comprising: one or more processors; andtangible, non-transitory computer-readable memory having stored thereon instructions that, when executed by the one or more processors, cause the first playback device to perform functions comprising: receiving audio content to be pla
1. A first playback device comprising: one or more processors; andtangible, non-transitory computer-readable memory having stored thereon instructions that, when executed by the one or more processors, cause the first playback device to perform functions comprising: receiving audio content to be played back by the first playback device and a second playback device in synchrony, wherein the audio content comprises a first stereo component to be played by the first playback device and a second stereo component to be played by a second playback device in synchrony with playback of the first stereo component by the first playback device;determining a limiting result that represents playback of the first stereo component of the audio content by applying to the first stereo component of the audio content, a pre-determined volume-limiting function that is associated with the first playback device, wherein the limiting result indicates frequencies at which a playback volume of the first playback device is limited;determining a crossover frequency based on the indicated frequencies at which the playback volume of the first playback device is limited;causing the second playback device to play (i) the second stereo component of the audio content and (ii) a first portion of the first stereo component of the audio content that is below the crossover frequency; andplaying a second portion of the first stereo component of the audio content that is above the crossover frequency in synchrony with playback of the first portion of the first stereo component by the second playback device. 2. The first playback device of claim 1, wherein the second playback device has greater output audio frequency range than the first playback device. 3. The first playback device of claim 1, wherein the functions further comprise: prior to receiving the audio content, receiving a command to form a bonded zone with the second playback device. 4. The first playback device of claim 1, wherein the functions further comprise: identifying in memory storage, the pre-determined volume-limiting function that is associated with the second playback device. 5. The first playback device of claim 1, wherein the functions further comprise: receiving from the second playback device, the pre-determined volume-limiting function that is associated with the second playback device. 6. The first playback device of claim 1, wherein causing the second playback device to play the first portion of the first stereo component of the audio content that is below the crossover frequency comprises: generating the first portion of the second stereo component that is below the crossover frequency; andsending to the second playback device, the first portion of the second stereo component of the audio content. 7. The first playback device of claim 1, wherein causing the second playback device to play the first portion of the first stereo component of the audio content that is below the crossover frequency comprises: sending to the second playback device (i) the first stereo component of the audio content, and (ii) a command to play a portion of the first stereo component that is below the crossover frequency. 8. The first playback device of claim 1, wherein the crossover frequency is around 80 Hz. 9. Tangible, non-transitory computer-readable memory having stored thereon instructions that, when executed by one or more processors of a first playback device, cause the first playback device to perform functions comprising: receiving audio content to be played back by the first playback device and a second playback device in synchrony, wherein the audio content comprises a first stereo component to be played by the first playback device and a second stereo component to be played by a second playback device in synchrony with playback of the first stereo component by the first playback device;determining a limiting result that represents playback of the first stereo component of the audio content by applying to the first stereo component of the audio content, a pre-determined volume-limiting function that is associated with the first playback device, wherein the limiting result indicates frequencies at which a playback volume of the first playback device is limited;determining a crossover frequency based on the indicated frequencies at which the playback volume of the first playback device is limited;causing the second playback device to play (i) the second stereo component of the audio content and (ii) a first portion of the first stereo component of the audio content that is below the crossover frequency; andplaying a second portion of the first stereo component of the audio content that is above the crossover frequency in synchrony with playback of the first portion of the first stereo component by the second playback device. 10. The tangible, non-transitory computer-readable memory of claim 9, wherein the second playback device has greater output audio frequency range than the first playback device. 11. The tangible, non-transitory computer-readable memory of claim 9, wherein the functions further comprise: prior to receiving the audio content, receiving a command to form a bonded zone with the second playback device. 12. The tangible, non-transitory computer-readable memory of claim 9, wherein the functions further comprise: identifying in memory storage, the pre-determined volume-limiting function that is associated with the second playback device. 13. The tangible, non-transitory computer-readable memory of claim 9, wherein the functions further comprise: receiving from the second playback device, the pre-determined volume-limiting function that is associated with the second playback device. 14. The tangible, non-transitory computer-readable memory of claim 9, wherein causing the second playback device to play the first portion of the first stereo component of the audio content that is below the crossover frequency comprises: generating the first portion of the second stereo component that is below the crossover frequency; andsending to the second playback device, the first portion of the second stereo component of the audio content. 15. The tangible, non-transitory computer-readable memory of claim 9, wherein causing the second playback device to play the first portion of the first stereo component of the audio content that is below the crossover frequency comprises: sending to the second playback device (i) the first stereo component of the audio content, and (ii) a command to play a portion of the first stereo component that is below the crossover frequency. 16. The tangible, non-transitory computer-readable memory of claim 9, wherein the crossover frequency is around 80 Hz. 17. A method comprising: receiving by a first playback device, audio content to be played back by the first playback device and a second playback device in synchrony, wherein the audio content comprises a first stereo component to be played by the first playback device and a second stereo component to be played by a second playback device in synchrony with playback of the first stereo component by the first playback device;determining by the first playback device, a limiting result that represents playback of the first stereo component of the audio content by applying to the first stereo component of the audio content, a pre-determined volume-limiting function that is associated with the first playback device, wherein the limiting result indicates frequencies at which a playback volume of the first playback device is limited;determining by the first playback device, a crossover frequency based on the indicated frequencies at which the playback volume of the first playback device is limited;causing by the first playback device, the second playback device to play (i) the second stereo component of the audio content and (ii) a first portion of the first stereo component of the audio content that is below the crossover frequency; andplaying by the first playback device, a second portion of the first stereo component of the audio content that is above the crossover frequency in synchrony with playback of the first portion of the first stereo component by the second playback device. 18. The method of claim 17, wherein the second playback device has greater output audio frequency range than the first playback device. 19. The method of claim 17, wherein causing the second playback device to play the first portion of the first stereo component of the audio content that is below the crossover frequency comprises: generating by the first playback device, the first portion of the second stereo component that is below the crossover frequency; andsending by the first playback device to the second playback device, the first portion of the second stereo component of the audio content. 20. The method of claim 17, wherein causing by the first playback device, the second playback device to play the first portion of the first stereo component of the audio content that is below the crossover frequency comprises: sending by the first playback device to the second playback device (i) the first stereo component of the audio content, and (ii) a command to play a portion of the first stereo component that is below the crossover frequency.
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