Frequency routing based on orientation

1. A playback device comprising:

a network interface;

at least one processor;

a plurality of speaker drivers;

at least one orientation sensor; and

tangible, non-transitory computer-readable memory including instructions stored therein, wherein the instructions, when executed by the at least one processor, cause the playback device to perform functions comprising:

receiving an audio data stream via the network interface;

determining, via the at least one orientation sensor, a change in orientation of the playback device from a first orientation to a second orientation, wherein the determining comprises (i) detecting for a first rotation relative to a first axis of the playback device, (ii) detecting for a second rotation relative to a second axis of the playback device, and (iii) comparing the first and second rotations to at least one value of hysteresis;

routing a first set of frequencies in the audio data stream to at least one of the plurality of speaker drivers when the playback device is in the first orientation;

routing a second set of frequencies in the audio data stream to the at least one of the plurality of speaker drivers when the playback device is determined to be in the second orientation, wherein the first set of frequencies is different than the second set of frequencies;

reproducing a stereophonic sound based on the audio data stream using the plurality of speaker drivers when the playback device is in the first orientation; and

reproducing a monaural sound based on the audio data stream using the plurality of speaker drivers when the playback device is determined to be in the second orientation.

2. The playback device of claim 1 , wherein the first set of frequencies is below a threshold frequency and the second set of frequencies is above the threshold frequency.

3. The playback device of claim 1 , the functions further comprising: playing back the audio data stream via the plurality of speaker drivers.

4. The playback device of claim 1 , wherein routing the first set of frequencies in the audio data stream to at least one of the plurality of speaker drivers based on the first orientation comprises routing the first set of frequencies in the audio data stream to at least one of the plurality of speaker drivers based on the first orientation and a state of the playback device.

5. The playback device of claim 4 , wherein the state of the playback device is selected from a plurality of states, wherein the plurality of states comprises (i) not paired and (ii) a paired state indicative of a pairing of the playback device with an additional playback device.

6. The playback device of claim 4 , the functions further comprising: receiving, via the network interface from a network device, an indication of the state of the playback device.

7. The playback device of claim 1 , the functions further comprising based on the detected first and second rotations, removing an offset introduced by at least one of vibration and playback device non-linearity.

8. A method comprising:

receiving, by a playback device, an audio data stream;

determining, via at least one orientation sensor of the playback device, a change in orientation of the playback device from a first orientation to a second orientation, wherein the determining comprises (i) detecting for a first rotation relative to a first axis of the playback device, (ii) detecting for a second rotation relative to a second axis of the playback device, and (iii) comparing the first and second rotations to at least one value of hysteresis;

routing, by the playback device, a first set of frequencies in the audio data stream to at least one of a plurality of speaker drivers when the playback device is in the first orientation;

routing, by the playback device, a second set of frequencies in the audio data stream to the at least one of the plurality of speaker drivers when the playback device is determined to be in the second orientation, wherein the first set of frequencies is different than the second set of frequencies;

reproducing a stereophonic sound based on the audio data stream using the plurality of speaker drivers when the playback device is in the first orientation; and

reproducing a monaural sound based on the audio data stream using the plurality of speaker drivers when the playback device is determined to be in the second orientation.

9. The method of claim 8 , wherein the first set of frequencies is below a threshold frequency and the second set of frequencies is above the threshold frequency.

10. The method of claim 8 , the method further comprising:

playing back the audio data stream via the plurality of speaker drivers.

11. The method of claim 8 , wherein routing the first set of frequencies in the audio data stream to at least one of the plurality of speaker drivers when the playback device is in the first orientation comprises routing the first set of frequencies in the audio data stream to at least one of the plurality of speaker drivers based on the playback device being in the first orientation and a state of the playback device.

12. The method of claim 11 , wherein the state of the playback device is selected from a plurality of states, wherein the plurality of states comprises (i) not paired and (ii) a paired state indicative of pairing of the playback device with an additional playback device.

13. The method of claim 11 , the method further comprising:

receiving, via a network interface from a network device, an indication of the state of the playback device.

14. The method of claim 8 , the method further comprising based on the detected first and second rotations, removing an offset introduced by at least one of vibration and playback device non-linearity.

15. A tangible, non-transitory computer-readable memory having stored thereon that when executed cause a playback device to perform functions comprising:

receiving, by the playback device, an audio data stream;

determining, via at least one orientation sensor of the playback device, a change in orientation of the playback device from a first orientation to a second orientation, wherein the determining comprises (i) detecting for a first rotation relative to a first axis of the playback device, (ii) detecting for a second rotation relative to a second axis of the playback device, and (iii) comparing the first and second rotations to at least one value of hysteresis;

routing, by the playback device, a first set of frequencies in the audio data stream to at least one of a plurality of speaker drivers when the playback device is in the first orientation;

routing, by the playback device, a second set of frequencies in the audio data stream to the at least one of the plurality of speaker drivers when the playback device is determined to be in the second orientation, wherein the first set of frequencies is different than the second set of frequencies;

reproducing a stereophonic sound based on the audio data stream using the plurality of speaker drivers when the playback device is in the first orientation; and

reproducing a monaural sound based on the audio data stream using the plurality of speaker drivers when the playback device is determined to be in the second orientation.

16. The tangible, non-transitory computer-readable memory of claim 15 , wherein the first set of frequencies is below a threshold frequency and the second set of frequencies is above the threshold frequency.

17. The tangible, non-transitory computer-readable memory of claim 15 , wherein routing the first set of frequencies in the audio data stream to at least one of the plurality of speaker drivers when the playback device is in the first orientation comprises routing the first set of frequencies in the audio data stream to at least one of the plurality of speaker drivers based on the playback device being in the first orientation and a state of the playback device.