US 12,322,366 B2
Masking sound adjustment method and masking sound adjustment device
Shinichi Kato, Hamamatsu (JP)
Assigned to YAMAHA CORPORATION, Hamamatsu (JP)
Filed by YAMAHA CORPORATION, Hamamatsu (JP)
Filed on Apr. 23, 2024, as Appl. No. 18/642,958.
Application 18/642,958 is a division of application No. 18/080,087, filed on Dec. 13, 2022, granted, now 11,996,073.
Application 18/080,087 is a continuation of application No. PCT/JP2021/027280, filed on Jul. 21, 2021.
Claims priority of application No. 2020-134495 (JP), filed on Aug. 7, 2020.
Prior Publication US 2024/0274110 A1, Aug. 15, 2024
Int. Cl. G10K 11/175 (2006.01); G10K 11/178 (2006.01)
CPC G10K 11/1754 (2020.05) [G10K 11/1781 (2018.01)] 3 Claims
OG exemplary drawing
 
2. A masking sound adjustment device comprising:
a memory configured to store computer-readable instructions; and
a processor configured to execute the computer-readable instructions stored in the memory to implement:
an acquisition unit configured to acquire a masking sound and an auxiliary content sound for assisting the masking sound; and
an output unit configured to output the masking sound without outputting masking sounds having frequencies lower than a first frequency and higher than a second frequency and output the auxiliary content sound including auxiliary content sounds having frequencies lower than the first frequency and higher than the second frequency,
wherein the first frequency is a lower limit frequency of an octave band having a center frequency of 500 Hz, and
wherein the second frequency is an upper limit frequency of an octave band having a center frequency of 4 kHz.