Audio signal reproduction apparatus and control method
An audio signal reproduction apparatus includes a temperature detection unit detecting a temperature of a battery pack, a voltage detection unit detecting a voltage of the battery pack, and a control unit performing an output control on a basis of temperature information detected by the temperature detection unit and voltage information detected by the voltage detection unit.
1. An audio signal reproduction apparatus, comprising:
circuitry configured to:
set a first table corresponding to temperature information of a battery pack;
set a plurality of tables corresponding to voltage information of the battery pack, wherein the plurality of tables is different from the first table;
detect a temperature of the battery pack;
detect a voltage of the battery pack;
select, from the plurality of tables, a second table corresponding to the temperature information of the temperature of the battery pack;
acquire, from the first table, first control information corresponding to the temperature information of the temperature of the battery pack;
acquire, from the second table, second control information corresponding to the voltage information of the voltage of the battery pack; and
execute an output control process based on each of the first control information and the second control information.
2. The audio signal reproduction apparatus according to claim 1 , wherein the circuitry is further configured to:
compare the first control information with the second control information; and
select one of the first control information or the second control information based on the comparison.
3. The audio signal reproduction apparatus according to claim 1 , wherein the circuitry is further configured to change a level of an audio signal based on the execution of the output control process.
4. The audio signal reproduction apparatus according to claim 1 , wherein the circuitry is further configured to compress a level of an audio signal to a threshold value based on:
the execution of the output control process, and
the level of the audio signal that exceeds the threshold value.
5. The audio signal reproduction apparatus according to claim 1 , further comprising the battery pack.
6. The audio signal reproduction apparatus according to claim 5 , wherein
the battery pack includes an internal impedance, and
the internal impedance changes based on a change of the temperature of the battery pack.
7. The audio signal reproduction apparatus according to claim 6 , wherein the battery pack includes a lithium ion secondary battery.
8. The audio signal reproduction apparatus according to claim 1 , wherein the circuitry is further configured to communicate with an external device.
9. A control method, comprising:
setting a first table corresponding to temperature information of a battery pack;
setting a plurality of tables corresponding to voltage information of the battery pack, wherein the plurality of tables is different from the first table;
detecting a temperature of the battery pack;
detecting a voltage of the battery pack;
selecting, from the plurality of tables, a second table corresponding to the temperature information of the temperature of the battery pack;
acquiring, from the first table, first control information corresponding to the temperature information of the temperature of the battery pack;
acquiring, from the second table, second control information corresponding to the voltage information of the voltage of the battery pack; and
executing an output control process based on each of the first control information and the second control information.
10. The control method according to claim 9 , further comprising changing a level of an audio signal based on the execution of the output control process.
11. The control method according to claim 9 , further comprising compressing a level of an audio signal to a threshold value based on:
the execution of the output control process, and
the level of the audio signal that exceeds the threshold value.