US 12,322,408 B2
Call processing apparatus
Katsuaki Hikima, Kobe (JP); and Soju Sakamoto, Kobe (JP)
Assigned to DENSO TEN Limited, Kobe (JP)
Filed by DENSO TEN Limited, Kobe (JP)
Filed on Dec. 29, 2022, as Appl. No. 18/147,953.
Claims priority of application No. 2022-036639 (JP), filed on Mar. 9, 2022.
Prior Publication US 2023/0290368 A1, Sep. 14, 2023
Int. Cl. G10L 21/0232 (2013.01); G10L 21/0208 (2013.01)
CPC G10L 21/0232 (2013.01) [G10L 21/0208 (2013.01); G10L 2021/02085 (2013.01); G10L 2021/02087 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A call processing apparatus comprising:
a controller configured to (i) perform a removal process of removing driving sounds of a vehicle while not removing a specific driving sound from sounds collected by a microphone in a cabin of the vehicle while an occupant of the vehicle is talking hands-free on a phone, the driving sounds, including the specific driving sound that is not removed, being audible environmental sounds that are generated by the vehicle and that are not conversation sound of the occupant, and (ii) transmit an adjusted sound generated by performing the removal process to a call opposite party who is talking with the occupant of the vehicle via the phone, wherein
the driving sounds that are audible environmental sounds and that are removed by the controller are in a frequency range that is below and partially within a frequency range of the conversation sound of the occupant, and
the specific driving sound that is an audible environmental sound and that is not removed by the controller is in a frequency range that is partially within and above the frequency range of the conversation sound of the occupant.