ENCODING DEVICE AND ENCODING METHOD, DECODING DEVICE AND DECODING METHOD, AND PROGRAM
There is provided a decoding device including at least one circuit configured to acquire one or more encoded audio signals including a plurality of channels and/or a plurality of objects and priority information for each of the plurality of channels and/or the plurality of objects, and to decode the one or more encoded audio signals according to the priority information.
1 .- 21 . (canceled)
22 . A method executed by at least one processing circuit of a decoding device, the method comprising:
acquiring encoded audio signals of a plurality of objects and priority information for each of the plurality of objects;
decoding at least one of the encoded audio signals; and
generating an audio signal based on the decoded signals,
wherein the priority information is capable of being used to adjust an output of the audio signal.
23 . The method of claim 22 , wherein adjusting the output of the audio signal comprises adjusting the output of the audio signal based on the priority information.
24 . The method of claim 23 , wherein adjusting the output of the audio signal comprises adjusting a gain of the audio signal based on the priority information.
25 . The method of claim 24 , wherein adjusting the gain of the audio signal comprises adjusting the gain by decreasing an amplitude of the audio signal.
26 . The method of claim 25 , wherein adjusting the gain of the audio signal comprises adjusting the gain by decreasing the amplitude of the audio signal with time.
27 . The method of claim 24 , wherein adjusting the gain of the audio signal comprises adjusting the gain by increasing an amplitude of the audio signal.
28 . The method of claim 27 , wherein adjusting the gain of the audio signal comprises adjusting the gain by increasing the amplitude of the audio signal with time.
29 . The method of claim 22 , wherein adjusting the output of the audio signal comprises adjusting the output of the audio signal by performing fade-out processing.
30 . The method of claim 22 , wherein adjusting the output of the audio signal comprises adjusting the output of the audio signal by performing fade-in processing.
31 . The method of claim 22 , wherein at least one numerical value of the priority information indicates at least one priority degree of at least one object of the plurality of objects.
32 . The method of claim 31 , wherein the at least one numerical value comprises a first numerical value indicating a high priority degree of a first object.
33 . The method of claim 32 , wherein the at least one numerical value comprises a second numerical value indicating a low priority degree of a second object, the high priority degree indicating a higher importance of the first object relative to the second object.
34 . The method of claim 31 , wherein a numerical value of zero indicates a lowest priority degree of an object.
35 . The method of claim 31 , wherein the at least one numerical value is zero or a positive value over zero.
36 . A non-transitory computer-readable storage medium storing instructions that, when executed by at least one processing circuit of a decoding device, causes the at least one processing circuit to perform a method comprising:
acquiring encoded audio signals of a plurality of objects and priority information for each of the plurality of objects;
decoding at least one of the encoded audio signals; and
generating an audio signal based on the decoded signals,
wherein the priority information is capable of being used to adjust an output of the audio signal.
37 . The non-transitory computer-readable storage medium of claim 36 , wherein adjusting the output of the audio signal comprises adjusting the output of the audio signal based on the priority information.
38 . The non-transitory computer-readable storage medium of claim 37 , wherein adjusting the output of the audio signal comprises adjusting a gain of the audio signal based on the priority information.
39 . The non-transitory computer-readable storage medium of claim 38 , wherein adjusting the gain of the audio signal comprises adjusting the gain by decreasing an amplitude of the audio signal.
40 . The non-transitory computer-readable storage medium of claim 38 , wherein adjusting the gain of the audio signal comprises adjusting the gain by increasing an amplitude of the audio signal.
41 . The non-transitory computer-readable storage medium of claim 36 , wherein adjusting the output of the audio signal comprises adjusting the output of the audio signal by performing fade-out processing.
42 . The non-transitory computer-readable storage medium of claim 36 , wherein adjusting the output of the audio signal comprises adjusting the output of the audio signal by performing fade-in processing.
43 . The non-transitory computer-readable storage medium of claim 36 , wherein at least one numerical value of the priority information indicates at least one priority degree of at least one object of the plurality of objects.
44 . The non-transitory computer-readable storage medium of claim 43 , wherein the at least one numerical value comprises a first numerical value indicating a high priority degree of a first object.
45 . The non-transitory computer-readable storage medium of claim 44 , wherein the at least one numerical value comprises a second numerical value indicating a low priority degree of a second object, the high priority degree indicating a higher importance of the first object relative to the second object.
46 . The non-transitory computer-readable storage medium of claim 43 , wherein a numerical value of zero indicates a lowest priority degree of an object.
47 . The non-transitory computer-readable storage medium of claim 43 , wherein the at least one numerical value is zero or a positive value over zero.
48 . A decoding device comprising:
at least one processing circuit configured to:
acquire encoded audio signals of a plurality of objects and priority information for each of the plurality of objects;
decode at least one of the encoded audio signals; and
generate an audio signal based on the decoded signals,
wherein the priority information is capable of being used to adjust an output of the audio signal.
49 . The decoding device of claim 48 , wherein adjusting the output of the audio signal comprises adjusting a gain of the audio signal based on the priority information.
50 . The decoding device of claim 49 , wherein adjusting the gain of the audio signal comprises adjusting the gain by decreasing an amplitude of the audio signal.
51 . The decoding device of claim 49 , wherein adjusting the gain of the audio signal comprises adjusting the gain by increasing an amplitude of the audio signal.