Reproduction apparatus and reproduction system
First Claim
1. A reproduction apparatus comprising:
- inverse characteristics conversion means for converting the acoustic characteristics of an acoustic space into inverse characteristics thereof;
reproduction means for reproducing music data;
acoustic characteristics output means for outputting acoustic characteristics different from the acoustic characteristics of the acoustic space;
adjustment means for adjusting the music data reproduced by the reproduction means on the basis of the inverse acoustic characteristics of the acoustic space converted by the inverse characteristics conversion means and the acoustic characteristics output from the acoustic characteristics output means; and
output means for outputting the music data adjusted by the adjustment means to the acoustic space,wherein the adjustment means calculates a first transfer function (HLS) corresponding to a route from a left speaker of the output means to a left ear of a person in the acoustic space, a second transfer function (HLO) corresponding to a route from the left speaker of the output means to a right ear of the person in the acoustic space, a third transfer function (HRO) corresponding to a route from a right speaker of the output means to the left ear of the person in the acoustic space, and a fourth transfer function (HRS) corresponding to a route from the right speaker of the output means to the right ear of the person in the acoustic space, andthe adjustment means adjusts the music data output from the left and right speakers of the output means by inputting a received signal corresponding to the left speaker to a first cross-talk cancelling section having a transfer function (CR) expressed by—
HRO/HRS and adding an output of the first cross-talk cancelling section to a received signal corresponding to the right speaker, and by inputting the received signal corresponding to the right speaker to a second cross-talk cancelling section having a transfer function (CL) expressed by—
HLO/HLS and adding an output of the second cross-talk cancelling section to the received signal corresponding to the left speaker.
1 Assignment
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Accused Products
Abstract
A reproduction apparatus comprises an inverse characteristics converting section that converts the acoustic characteristics of an acoustic space into inverse characteristics thereof, a reproducing section that reproduces music data, an acoustic characteristics output section that outputs acoustic characteristics different from the acoustic characteristics of the acoustic space, an adjusting section that adjusts the music data reproduced by the reproduction section on the basis of the inverse acoustic characteristics of the acoustic space converted by the inverse characteristics conversion section and the acoustic characteristics output from the acoustic characteristics output section and an output section that outputs the music data adjusted by the adjustment section to the acoustic space.
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Citations
18 Claims
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1. A reproduction apparatus comprising:
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inverse characteristics conversion means for converting the acoustic characteristics of an acoustic space into inverse characteristics thereof; reproduction means for reproducing music data; acoustic characteristics output means for outputting acoustic characteristics different from the acoustic characteristics of the acoustic space; adjustment means for adjusting the music data reproduced by the reproduction means on the basis of the inverse acoustic characteristics of the acoustic space converted by the inverse characteristics conversion means and the acoustic characteristics output from the acoustic characteristics output means; and output means for outputting the music data adjusted by the adjustment means to the acoustic space, wherein the adjustment means calculates a first transfer function (HLS) corresponding to a route from a left speaker of the output means to a left ear of a person in the acoustic space, a second transfer function (HLO) corresponding to a route from the left speaker of the output means to a right ear of the person in the acoustic space, a third transfer function (HRO) corresponding to a route from a right speaker of the output means to the left ear of the person in the acoustic space, and a fourth transfer function (HRS) corresponding to a route from the right speaker of the output means to the right ear of the person in the acoustic space, and the adjustment means adjusts the music data output from the left and right speakers of the output means by inputting a received signal corresponding to the left speaker to a first cross-talk cancelling section having a transfer function (CR) expressed by—
HRO/HRS and adding an output of the first cross-talk cancelling section to a received signal corresponding to the right speaker, and by inputting the received signal corresponding to the right speaker to a second cross-talk cancelling section having a transfer function (CL) expressed by—
HLO/HLS and adding an output of the second cross-talk cancelling section to the received signal corresponding to the left speaker. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A reproduction system comprising a first reproduction apparatus arranged in an acoustic space and a second reproduction apparatus arranged in another acoustic space and connected to the first reproduction apparatus by way of a network,
the first reproduction apparatus including: -
first inverse characteristics conversion means for converting the acoustic, characteristics of an acoustic space into inverse characteristics thereof; first reproduction means for reproducing the music data supplied from the second reproduction apparatus by way of the network; first acoustic characteristics output means for outputting acoustic characteristics different from the acoustic characteristics of the acoustic space; first adjustment means for adjusting the music data reproduced by the first reproduction means on the basis of the inverse acoustic characteristics of the acoustic space converted by the first inverse characteristics conversion means and the acoustic characteristics output from the first acoustic characteristics output means; first output means for outputting the music data adjusted by the first adjustment means to the acoustic space, wherein the first adjustment means calculates a first transfer function (HLS) corresponding to a route from a left speaker of the output means to a left ear of a person in the acoustic space, a second transfer function (HLO) corresponding to a route from the left speaker of the output means to a right ear of the person in the acoustic space, a third transfer function (HRO) corresponding to a route from a right speaker of the output means to the left ear of the person in the acoustic space, and a fourth transfer function (HRS) corresponding to a route from the right speaker of the output means to the right ear of the person in the acoustic space, and the first adjustment means adjusts the music data output from the left and right speakers of the first output means by inputting a received signal corresponding to the left speaker to a first cross-talk cancelling section having a transfer function (CR) expressed by—
HRO/HRS and adding an output of the first cross-talk cancelling section to a received signal corresponding to the right speaker, and by inputting the received signal corresponding to the right speaker to a second cross-talk cancelling section having a transfer function (CL) expressed by—
HLO/HLS and adding an output of the second cross-talk cancelling section to the received signal corresponding to the left speaker;first sound collecting means for collecting the music data output from the first output means; and first supply means for supplying the music data collected by the first sound collecting means to the second reproduction apparatus by way of the network, the second reproduction apparatus including; second inverse characteristics conversion means for converting the acoustic characteristics of another acoustic space into inverse characteristics thereof; second reproduction means for reproducing the music data supplied from the first reproduction apparatus by way of the network; second acoustic characteristics output means for outputting acoustic characteristics different from the acoustic characteristics of the other acoustic space; second adjustment means for adjusting the music data reproduced by the second reproduction means on the basis of the inverse acoustic characteristics of the other acoustic space converted by the second inverse characteristics conversion means and the acoustic characteristics output from the second acoustic characteristics output means; second output means for outputting the music data adjusted by the second adjustment means to the other acoustic space; second sound collecting means for collecting the music data output from the second output means; and second supply means for supplying the music data collected by the second sound collecting means to the first reproduction apparatus by way of the network. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A reproduction apparatus comprising:
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an inverse characteristics conversion section that converts the acoustic characteristics of an acoustic space into inverse characteristics thereof; a reproduction section that reproduces music data; an acoustic characteristics output section that outputs acoustic characteristics different from the acoustic characteristics of the acoustic space; an adjustment section that adjusts the music data reproduced by the reproduction section on the basis of the inverse acoustic characteristics of the acoustic space converted by the inverse characteristics conversion section and the acoustic characteristics output from the acoustic characteristics output section; and an output section that outputs the music data adjusted by the adjustment section to the acoustic space, wherein the adjustment section is configured to calculate a first transfer function (HLS) corresponding to a route from a left speaker of the output means to a left ear of a person in the acoustic space, a second transfer function (HLO) corresponding to a route from the left speaker of the output means to a right ear of the person in the acoustic space, a third transfer function (HRO) corresponding to a route from a right speaker of the output means to the left ear of the person in the acoustic space, and a fourth transfer function (HRS) corresponding to a route from the right speaker of the output means to the right ear of the person in the acoustic space, and the adjustment section is configured to adjust the music data output from the left and right speakers of the output section by inputting a received signal corresponding to the left speaker to a first cross-talk cancelling section having a transfer function (CR) expressed by—
HRO/HRS and adding an output of the first cross-talk cancelling section to a received signal corresponding to the right speaker, and by inputting the received signal corresponding to the right speaker to a second cross-talk cancelling section having a transfer function (CL) expressed by—
HLO/HLS and adding an output of the second cross-talk cancelling section to the received signal corresponding to the left speaker. - View Dependent Claims (16)
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17. A reproduction system comprising a first reproduction apparatus arranged in an acoustic space and a second reproduction apparatus arranged in another acoustic space and connected to the first reproduction apparatus by way of a network,
the first reproduction apparatus including: -
a first inverse characteristics conversion section that converts the acoustic characteristics of an acoustic space into inverse characteristics thereof; a first reproduction section that reproduces the music data supplied from the second reproduction apparatus by way of the network; a first acoustic characteristics output section that outputs acoustic characteristics different from the acoustic characteristics of the acoustic space; a first adjustment section that adjusts the music data reproduced by the first reproduction section on the basis of the inverse acoustic characteristics of the acoustic space converted by the first inverse characteristics conversion section and the acoustic characteristics output from the first acoustic characteristics output section; a first output section that outputs the music data adjusted by the first adjustment section to the acoustic space, wherein the first adjustment section is configured to calculate a first transfer function (HLS) corresponding to a route from a left speaker of the output means to a left ear of a person in the acoustic space, a second transfer function (HLO) corresponding to a route from the left speaker of the output means to a right ear of the person in the acoustic space, a third transfer function (HRO) corresponding to a route from a right speaker of the output means to the left ear of the person in the acoustic space, and a fourth transfer function (HRS) corresponding to a route from the right speaker of the output means to the right ear of the person in the acoustic space, and the adjustment section is configured to adjust the music data output from the left and right speakers of the first output section by inputting a received signal corresponding to the left speaker to a first cross-talk cancelling section having a transfer function (CR) expressed by—
HRO/HRS and adding an output of the first cross-talk cancelling section to a received signal corresponding to the right speaker, and by inputting the received signal corresponding to the right speaker to a second cross-talk cancelling section having a transfer function (CL) expressed by—
HLO/HLS and adding an output of the second cross-talk cancelling section to the received signal corresponding to the left speaker;a first sound collecting section that collects the music data output from the first output section; and a first supply section that supplies the music data collected by the first sound collecting section to the second reproduction apparatus by way of the network, the second reproduction apparatus including; a second inverse characteristics conversion section that converts the acoustic characteristics of another acoustic space into inverse characteristics thereof; a second reproduction section that reproduces the music data supplied from the first reproduction apparatus by way of the network; a second acoustic characteristics output section that outputs acoustic characteristics different from the acoustic characteristics of the other acoustic space; a second adjustment section that adjusts the music data reproduced by the second reproduction section on the basis of the inverse acoustic characteristics of the other acoustic space converted by the second inverse characteristics conversion section and the acoustic characteristics output from the second acoustic characteristics output section; a second output section that outputs the music data adjusted by the second adjustment section to the other acoustic space; a second sound collecting section that collects the music data output from the second output section; and a second supply section that supplies the music data collected by the second sound collecting section to the first reproduction apparatus by way of the network. - View Dependent Claims (18)
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Specification