Method for adjusting a transmission characteristic of an electronic circuit
A method for adjusting a transmission characteristic of an electronic circuit, in a hearing aid. The hearing aid is connected with a computer. The current operating parameters of the hearing aid are transmitted to the computer. The computer from the operating parameters, calculates the current transmission characteristic and represents it on a monitor screen as a three-dimensional graphic diagram. The acoustics specialist, with the help of a mouse, selects a point of a segment of the graphic diagram and modifies the graphically depicted transmission characteristic. As a result the current operating parameters are modified as well. From these, a new current transmission characteristic is calculated and represented on the monitor screen as a three-dimensional graphic. This adaptation process is repeated until the current transmission characteristic coincides with the desired response. Then the current operating parameters are transmitted from the computer to the hearing aid and there stored in memory.
1. A method for the adjustment of a transmission characteristic of an electronic circuit installed in a hearing aid ( 1 ), comprising the steps of:
providing a computing means ( 2 ) with a display device ( 3 ) and a pointing and/or selecting device ( 4 );
providing a data transmission connection ( 6 ) between the electronic circuit to be adjusted and the computer ( 2 );
a current transmission characteristic of the electronic circuit is represented by a graphic diagram on the display device ( 3 );
with the help of the pointing and/or selecting device ( 4 ), if and when required, a point (10.1, 10.2, . . .) or a segment of the graphic diagram is selected on the display device ( 3 ) and the graphically represented transmission characteristic is changed with the pointing and/or selecting device ( 4 ), as a result of which also prescription for modifying certain operating parameters is evaluated, and
transmitting the modified operating parameters to the electronic circuit and storing the modified operating parameters in memory therein; and, wherein
the transmission characteristic of the electronic circuit is represented as a structure ( 8 ) in a three-dimensional graphic diagram representing at least one of amplification and output sound level as a function of frequency and of input sound level on the display device ( 3 ).
2. The method in accordance with claim 1 , wherein the electronic circuit processes an input signal into an output signal and wherein, in the three-dimensional graphic diagram, the amplification and the output sound level are parameters of the output signal represented as a function of frequency and input sound level of the input signal.
3. The method according to claim 1 , wherein a desired response is predefined and the current transmission characteristic is adapted to the desired response step by step.
4. The method in accordance with claim 1 , wherein, for the purpose of the selection of a suitable view, the graphic diagram is rotated.
5. The method according to claim 2 , wherein a desired response is predefined and the current transmission characteristic is adapted to the desired response step by step.
6. The method in accordance with claim 2 , wherein, for the purpose of the selection of a suitable view, the graphic diagram is rotated.
7. The method in accordance with claim 3 , wherein, for the purpose of the selection of a suitable view, the graphic diagram is rotated.
8. The method in accordance with claim 5 , wherein, for the purpose of the selection of a suitable view, the graphic diagram is rotated.
9. The method according to claim 2 , wherein the electric circuit is installed in a hearing aid.
10. The method according to claim 3 , wherein the electric circuit is installed in a hearing aid.
11. The method according to claim 4 , wherein the electric circuit is installed in a hearing aid.