Smart audio settings

1. A first playback device comprising:

a processor; and

tangible, non-transitory computer-readable memory having stored thereon instructions executable by the processor, wherein the instructions, when executed, cause the first playback device to perform functions comprising:

while the first playback device is a part of a first zone group that includes the first playback device and at least one second playback device, applying a first audio setting to at least one of the first playback device and the second playback device;

joining a second zone group, the second zone group including the first playback device and at least one third playback device; and

applying a second audio setting to at least one of the first playback device and the third playback device based on an audio content profile corresponding to the second zone group.

2. The first playback device of claim 1 , wherein applying the second audio setting to at least one of the first playback device and the third playback device comprises:

determining the audio content profile based on media content previously played by the first playback device as part of the second zone group; and

applying the second audio setting to at least one of the first playback device and the third playback device based on the audio content profile for media content previously played by the first playback device as part of the second zone group.

3. The first playback device of claim 1 , wherein applying the second audio setting to at least one of the first playback device and the third playback device comprises:

identifying in a database, the second audio setting based on the audio content profile corresponding to the second zone group; and

applying the identified second audio setting to at least one of the first playback device and the third playback device.

4. The first playback device of claim 1 , wherein applying the first audio setting to at least one of the first playback device and the second playback device comprises:

causing the first playback device and the at least one second playback device of the first zone group to apply the first audio setting.

5. The first playback device of claim 1 , wherein applying the second audio setting to at least one of the first playback device and the third playback device comprises:

causing the first playback device and the at least one third playback device to apply the second audio setting.

6. The first playback device of claim 1 , wherein the functions further comprise:

playing audio content as part of the second zone group; and

updating the audio content profile based on the audio content being played by the first playback device as part of the second zone group.

7. The first playback device of claim 1 , wherein the audio content profile is a first audio content profile, and wherein the functions further comprise:

while playing audio content as part of the second zone group, receiving data indicating a command to adjust the second audio setting;

identifying a second audio content profile for the audio content; and

determining that the second audio content profile substantially matches the first audio content profile; and

storing in a database, the adjusted second audio setting in association with the first audio content profile corresponding to the second zone group.

8. The first playback device of claim 1 , wherein the audio content profile is a first audio content profile, and wherein the functions further comprise:

while playing audio content as part of the second zone group, receiving data indicating a command to adjust the second audio setting;

identifying a second audio content profile for the audio content;

determining that the second audio content profile does not substantially match the first audio content profile; and

transmitting a message indicating that the audio content is not representative of audio content previously played by the first playback device as part of the second zone group.

9. The first playback device of claim 1 , wherein joining the second zone group comprises:

receiving data indicating a command to join the second zone group; and

responsively leaving the first zone group and joining the second zone group.

10. The first playback device of claim 1 , wherein joining the second zone group comprises:

receiving data indicating that a given second playback device of the first zone group has left the first zone group; and

responsively leaving the first zone group and joining the second zone group.

11. The first playback device of claim 1 , wherein joining the second zone group comprises:

receiving data indicating that a fourth playback device has joined the first zone group; and

responsively, leaving the first zone group and joining the second zone group.

12. A method comprising:

while a first playback device is a part of a first zone group that includes the first playback device and at least one second playback device, applying, by the first playback device, a first audio setting to at least one of the first playback device and the second playback device;

joining, by the first playback device, a second zone group, the second zone group including the first playback device and at least one third playback device; and

applying to at least one of the first playback device and the third playback device, by the first playback device, a second audio setting based on an audio content profile corresponding to the second zone group.

13. The method of claim 12 , wherein applying the second audio setting to at least one of the first playback device and the third playback device comprises:

determining, by the first playback device, the audio content profile based on media content previously played by the first playback device as part of the second zone group; and

applying to at least one of the first playback device and the third playback device, by the first playback device, the second audio setting based on the audio content profile for media content previously played by the first playback device as part of the second zone group.

14. The method of claim 12 , wherein applying the second audio setting to at least one of the first playback device and the third playback device comprises:

identifying, by the first playback device in a database, the second audio setting based on the audio content profile corresponding to the second zone group; and

applying to at least one of the first playback device and the third playback device, by the first playback device, the identified second audio setting.

15. The method of claim 12 , further comprising:

playing, by the first playback device, audio content as part of the second zone group; and

updating, by the first playback device, the audio content profile based on the audio content being played by the first playback device as part of the second zone group.

16. A tangible, non-transitory computer readable medium having stored thereon instructions executable by one or more processors, wherein the instructions, when executed, cause a first playback device to perform functions comprising:

while the first playback device is a part of a first zone group that includes the first playback device and at least one second playback device, applying a first audio setting to at least one of the first playback device and the second playback device;

joining a second zone group, the second zone group including the first playback device and at least one third playback device; and

applying a second audio setting to at least one of the first playback device and the third playback device based on an audio content profile corresponding to the second zone group.

17. The tangible, non-transitory computer readable medium of claim 16 , wherein applying the second audio setting to at least one of the first playback device and the third playback device comprises:

determining the audio content profile based on media content previously played by the first playback device as part of the second zone group; and

applying the second audio setting to at least one of the first playback device and the third playback device based on the audio content profile for media content previously played by the first playback device as part of the second zone group.

18. The tangible, non-transitory computer readable medium of claim 16 , wherein applying the second audio setting to at least one of the first playback device and the third playback device comprises:

identifying in a database, the second audio setting based on the audio content profile corresponding to the second zone group; and

applying the identified second audio setting to at least one of the first playback device and the third playback device.

19. The tangible, non-transitory computer readable medium of claim 16 , wherein the functions further comprise:

playing audio content as part of the second zone group; and

updating the audio content profile based on the audio content being played by the first playback device as part of the second zone group.

20. The tangible, non-transitory computer readable medium of claim 16 , wherein the audio content profile is a first audio content profile, and wherein the functions further comprise:

while playing audio content as part of the second zone group, receiving data indicating a command to adjust the second audio setting;

identifying a second audio content profile for the audio content;

determining that the second audio content profile substantially matches the first audio content profile; and

storing in a database, the adjusted second audio setting in association with the first audio content profile corresponding to the second zone group.