# US 8,571,694 B1 · Method for setting audio parameters in a digital signal processor in an electronic device, and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,571,694 B1 - Document ID: US8571694B1 - Status: Granted - Kind: B1 - Application number: 09/019,614 - Filed: 1998-02-06 - Granted: 2013-10-29 - Earliest claimed: 1997-02-21 - Assignees: Nokia Corporation - Applicants: Ari Koski; Jouko Salo - Inventors: Ari Koski; Jouko Salo - Web page: https://patentgrep.com/patent/US8571694B1 ## CPC - H04M 1/6041: {Portable telephones adapted for handsfree use} - H04B 1/3877: Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters - H04M 1/6058: {involving the use of a headset accessory device connected to the portable telephone} - H04M 1/72409: by interfacing with external accessories (hands-free H04M1/60) - H04M 1/271: {controlled by voice recognition} - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04B: TRANSMISSION ## Abstract The invention relates to a method for setting audio parameters in a digital signal processor (4) in an electronic device (1) comprising at least one auxiliary device connection (10) for connecting at least one auxiliary device (11). At least some of the audio parameters can be loaded into the digital signal processor (4) during operation of the electronic device (1) either from the auxiliary device (11) or from a writeable mass storage (25). ## Claims ### Claim 1 A method, comprising the steps of: connecting at least one auxiliary device, having audio parameters relating to audio properties of the at least one auxiliary device, to a mobile communication device, loading at least one of the audio parameters from the at least one auxiliary device into a digital signal processor of the mobile communication device for using said at least one of the audio parameters during operation of the mobile communication device when the at least one auxiliary device is connected to the mobile communication device; conducting two way communication of digital data between the at least one auxiliary device and said mobile communication device by means of operating a microcontroller in the at least one auxiliary device. ### Claim 2 (depends on 1) The method according to claim 1, wherein the audio parameters are loaded from the at least one auxiliary device via the auxiliary device connection ### Claim 3 (depends on 1) The method according to claim 1, wherein the audio parameters are loaded at the stage when the at least one auxiliary device is connected to or detached from the mobile communication device or when the at least one auxiliary device changes its audio mode. ### Claim 4 (depends on 3) The method according to claim 3, wherein the mobile communication device comprises further a detection line and a connection bus, and that the connection of the at least one auxiliary device is detected on the basis of a change in the voltage of the detection line or on the basis of messages transferred via the connection bus between the mobile communication device and the at least one auxiliary device. ### Claim 5 An apparatus, comprising: a digital signal processor for processing audio signals; a memory for storing audio parameters controlling the processing of audio signals in the digital signal processor, and an auxiliary device connection for connecting an auxiliary device having audio parameters relating to audio properties of the auxiliary device with the mobile communication device; a microcontroller in said auxiliary device; and wherein the mobile communication device further comprises communication interface for communicating with said microcontroller for loading the audio parameters from the auxiliary device into the memory for using at least one of the audio parameters during operation of the mobile communication device when the auxiliary device is connected to the mobile communication device, said communicating being configured to be conducted by two way communication of digital data between the auxiliary device and said mobile communication device. ### Claim 6 (depends on 5) The apparatus device according to claim 5, further comprising a detection line and a connection bus and means for detecting the connection of the auxiliary device into the auxiliary device connection either on the basis of a change in the voltage of the detection line or on the basis of messages transferred via a detection bus between the mobile communication device and the auxiliary device ### Claim 7 (depends on 5) The apparatus according to claim 5, further comprising a transmitter/receiver unit of a mobile station. ### Claim 8 (depends on 5) The apparatus according to claim 5, wherein the auxiliary device comprises an auxiliary loudspeaker and an auxiliary microphone. ### Claim 9 (depends on 1) The method according to claim 1, wherein said audio parameters are other than data used to recognize the type of the at least one auxiliary device. ### Claim 10 (depends on 1) The method according to claim 1, wherein all of said audio parameters are loaded into the digital signal processor from the at least one auxiliary device. ### Claim 11 (depends on 5) The apparatus according to claim 5, wherein said audio parameters are other than data used to recognize the type of auxiliary device. ### Claim 12 (depends on 5) The apparatus according to claim 5, wherein all of said audio parameters are loaded into the digital signal processor from the auxiliary device. ### Claim 13 An apparatus, comprising: a microcontroller, a memory, operatively associated with the microcontroller, for storing audio parameters relating to audio properties of an auxiliary device and associated with the operation of the auxiliary device for controlling the processing of audio signals in a digital signal processor of a mobile communication device when the auxiliary device is connected to the mobile communication device; a connection for connecting the auxiliary device with the mobile communication device; and an interface within said microcontroller for sending the audio parameters from the auxiliary device to the mobile communication device by two way communication of digital data with the mobile communication device. ### Claim 14 An apparatus, comprising a processor; memory including computer program code; the memory and the computer program code configured to, with the processor, cause the apparatus to: establish a connection between a microcontroller of an auxiliary device and a digital signal processor of a mobile communication device for two way communication; query the microcontroller for audio parameters stored therein; and set audio parameters of the digital signal processor by loading at least one of the audio parameters relating to audio properties of the auxiliary device from the auxiliary device into the digital signal processor for using said at least one of the audio parameters during operation of the mobile communication device when the auxiliary device is connected to the mobile communication device.