Method for setting audio parameters in a digital signal processor in an electronic device, and electronic device

• US 8,571,694 B1
• Filed: 02/06/1998
• Issued: 10/29/2013
• Est. Priority Date: 02/21/1997
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Corporation
• Inventors: Koski, Ari, Salo, Jouko
• Primary Examiner(s): Mei, Xu
• Application Number:
  US09/019,614
• Time in Patent Office: 5,744 Days
• Field of Search: 381/103, 700/94, 710/303, 710/304, 455418-420, 455/414.1
• US Class Current: 700/94
• CPC Class Codes: H04B 1/3877 Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
• CPC Class Codes: H04M 1/271 controlled by voice recognition
• CPC Class Codes: H04M 1/6041 Portable telephones adapted for handsfree use
• CPC Class Codes: H04M 1/6058 involving the use of a headset accessory device connected to the portable telephone
• CPC Class Codes: H04M 1/72409 by interfacing with external accessories hands-free H04M1/60

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

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.

2. The method according to claim 1, wherein the audio parameters are loaded from the at least one auxiliary device via the auxiliary device connection

3. 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.

4. 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.

9. 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.

10. 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.

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.

6. 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

7. The apparatus according to claim 5, further comprising a transmitter/receiver unit of a mobile station.

8. The apparatus according to claim 5, wherein the auxiliary device comprises an auxiliary loudspeaker and an auxiliary microphone.

11. The apparatus according to claim 5, wherein said audio parameters are other than data used to recognize the type of auxiliary device.

12. The apparatus according to claim 5, wherein all of said audio parameters are loaded into the digital signal processor from the auxiliary device.

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.

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.