US 11,057,007 B2
Tuning system and method for automobile power amplifier
Tingting Zhou, Suzhou (CN); and Yuliu Cao, Changzhou (CN)
Assigned to Harman Becker Automotive Systems GmbH
Filed by Harman Becker Automotive Systems GmbH, Karlsbad (DE)
Filed on Nov. 21, 2019, as Appl. No. 16/690,280.
Claims priority of application No. 201811392170.3 (CN), filed on Nov. 21, 2018.
Prior Publication US 2020/0162038 A1, May 21, 2020
Int. Cl. H03F 3/191 (2006.01); H03F 3/21 (2006.01); H03F 3/183 (2006.01); H03G 5/24 (2006.01)
CPC H03F 3/21 (2013.01) [H03F 3/183 (2013.01); H03G 5/24 (2013.01); H03F 2200/03 (2013.01)] 16 Claims
OG exemplary drawing
 
9. A system for power amplifier tuning based on an automobile audio bus (A2B) interface, comprising:
a tuning control device;
one or more power amplifiers; and
are A2B converter connected between the tuning control device and the one or more power amplifiers,
wherein the tuning control device is configured to:
determine a plurality of tuning paths and a plurality of tuning parameters of one or more power amplifiers;
determine data volumes of the plurality of tuning parameters according to the types of the one or more power amplifiers;
determine a data volume for each tuning path according to the data volumes of the plurality of tuning parameters;
allocate the number of A2B channels to each tuning path according to the data volume determined for each tuning path;
calculate a tuning speed for each tuning path according to the number of A2B channels allocated to each tuning path; and
allocate the calculated tuning speed for each tuning path to the one or more power amplifiers through the A2B interface.