AUDIO SIGNAL PROCESSING METHOD, AUDIO POSITIONAL SYSTEM AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
An audio signal processing method, audio positional system and non-transitory computer-readable medium are provided in this disclosure. The audio signal processing method includes steps of: determining, by a processor, whether a first head related transfer function (HRTF) is selected to be applied onto an audio positional model corresponding to a first target or not; loading, by the processor, a plurality of parameters of a second target if the first HRTF is not selected; modifying, by the processor, a second HRTF according to the parameters of the second target; and applying, by the processor, the second HRTF onto the audio positional model corresponding to the first target to generate an audio signal.
1 . An audio signal processing method, comprising:
determining, by a processor, whether a first head related transfer function (HRTF) is selected to be applied onto an audio positional model corresponding to a first target or not;
loading, by the processor, a plurality of parameters of a second target if the first HRTF is not selected;
modifying, by the processor, a second HRTF according to the parameters of the second target; and
applying, by the processor, the second HRTF onto the audio positional model corresponding to the first target to generate an audio signal.
2 . The audio signal processing method of claim 1 , wherein the parameters of the second target comprise a sound loudness, a timbre, an energy difference of an audio source respectively emitted toward a right-side and a left-side of the second target, and/or a time configuration toward the right-side and the left-side.
3 . The audio signal processing method of claim 2 , wherein the time configuration comprises a time difference of the audio source respectively emitted toward the right-side and the left-side.
4 . The audio signal processing method of claim 3 , the step of modifying the parameters of the second HRTF according to the parameters of the second target, further comprises:
adjusting the sound loudness or the timbre, the time difference of, or the energy difference of the sound respectively emitted toward the right-side and the left-side according to size or shape of the second target.
5 . The audio signal processing method of claim 1 , further comprising:
adjusting the parameters of the second HRTF according to a transmission medium between the second target and an audio source.
6 . The audio signal processing method of claim 1 , wherein the parameter of the second target comprises a character simulating parameter set of an avatar.
7 . The audio signal processing method of claim 1 , further comprising:
detecting parameters of the first HRTF by a plurality of sensors of a head-mounted device.
8 . An audio positional system, comprising:
an audio outputting module;
a processor, connected to the audio outputting module; and
a non-transitory computer-readable medium comprising one or more sequences of instructions to be executed by the processor for performing an audio signal processing method, comprising:
determining, by the processor, whether a first head related transfer function (HRTF) is selected to be applied onto an audio positional model corresponding to a first target or not;
loading, by the processor, a plurality of parameters of a second target if the first HRTF is not selected;
modifying, by the processor, a second HRTF according to the parameters of the second target; and
applying, by the processor, the second HRTF onto the audio positional model corresponding to the first target to generate an audio signal.
9 . The audio positional system of claim 8 , wherein the parameters of the second target comprise a sound loudness, a timbre, an energy difference of an audio source respectively emitted toward a right-side and a left-side of the second target, and/or a time configuration toward the right-side and the left-side.
10 . The audio positional system of claim 9 , wherein the time configuration comprises a time difference of the audio source respectively emitted toward the right-side and the left-side.
11 . The audio positional system of claim 10 , wherein the step of modifying the parameters of the second HRTF according to the parameters of the second target, further comprises:
adjusting the sound loudness or the timbre , the time difference of, or the energy difference of the sound respectively emitted toward the right-side and the left-side according to size or shape of the second target.
12 . The audio positional system of claim of claim 8 , further comprising:
adjusting the parameters of the second HRTF according to a transmission medium between the second target and an audio source.
13 . The audio positional system of claim 8 , wherein the parameter of the second target comprises a character simulating parameter set of an avatar.
14 . The audio positional system of claim 8 , further comprising:
detecting parameters of the first HRTF by a plurality of sensors of a head-mounted device.
15 . A non-transitory computer-readable medium including one or more sequences of instructions to be executed by a processor of an electronic device for performing an audio signal processing method, wherein the audio signal processing method comprises:
determining, by a processor, whether a first head related transfer function (HRTF) is selected to be applied onto an audio positional model corresponding to a first target or not;
loading, by the processor, a plurality of parameters of a second target if the first HRTF is not selected;
modifying, by the processor, a second HRTF according to the parameters of the second target; and
applying, by the processor, the second HRTF onto the audio positional model corresponding to the first target to generate an audio signal.
16 . The non-transitory computer-readable medium of claim 15 , wherein the parameters comprise of the second target a sound loudness, a timbre, an energy difference of an audio source respectively emitted toward a right-side and a left-side of the second target, and/or a time configuration toward the right-side and the left-side; and
wherein the time configuration comprises a time difference of the audio source respectively emitted toward the right-side and the left-side.
17 . The non-transitory computer-readable medium of claim 16 , the step of modifying the parameters of the second HRTF according to the parameters of the second target, further comprises:
adjusting the sound loudness or the timbre, the time difference of, or the energy difference of the sound respectively emitted toward the right-side and the left-side according to size or shape of the second target.
18 . The non-transitory computer-readable medium of claim 15 , further comprising:
adjusting the parameters of the second HRTF according to a transmission medium between the second target and an audio source.
19 . The non-transitory computer-readable medium of claim 15 , wherein the parameter of the second target comprises a character simulating parameter set of an avatar.
20 . The non-transitory computer-readable medium of claim 15 , further comprising:
detecting parameters of the first HRTF by a plurality of sensors of a head-mounted device.