1. A method comprising:', 'obtaining, from a bitstream, at least one of one or more vectors decomposed from spherical harmonic coefficients that were recombined with background spherical harmonic coefficients, wherein the spherical harmonic coefficients describe a sound field, and wherein the background spherical harmonic coefficients described one or more background components of the same sound field.

2. The method of claim 1 , further comprising obtaining, from the bitstream, a first portion the spherical harmonic coefficients having an order equal to NBG-

3. The method of claim 1, further comprising:', 'obtaining, from the bitstream, a first audio encoded portion the spherical harmonic coefficients having an order equal to NBG; and', 'audio decoding the audio encoded first portion of the spherical harmonic coefficients to generate a first portion of the spherical harmonic coefficients.

4. The method of claim 1 , wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients.

5. The method of claim 1,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the method further comprises:', 'obtaining , from the bitstream, one or more 1½ST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients; and', 'multiplying the UDIST * SDIST vectors by the VTSMALL vectors.

6. The method of claim 1,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the method further comprises:', 'obtaining , from the bitstream, one or more UDIST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients;', 'multiplying the 1½ST * SDIST vectors by the VTSMALL vectors to recover higher- order distinct background spherical harmonic coefficients; and', 'adding the background spherical harmonic coefficients that include the lower- order distinct background spherical harmonic coefficients to the higher-order distinct background spherical harmonic coefficients to recover, at least in part, the plurality of spherical harmonic coefficients.

7. The method of claim 1,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the method further comprises:', 'obtaining , from the bitstream, one or more UDIST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients;', 'multiplying the UDIST * SDIST vectors by the VTSMALL vectors to recover higher- order distinct background spherical harmonic coefficients;', 'adding the background spherical harmonic coefficients that include the lower- order distinct background spherical harmonic coefficients to the higher-order distinct background spherical harmonic coefficients to recover, at least in part, the plurality of spherical harmonic coefficients; and

rendering the recovered plurality of spherical harmonic coefficients.

8. A device comprising:', 'one or more processors configured to determine, from a bitstream, at least one of one or more vectors decomposed from spherical harmonic coefficients that were recombined with background spherical harmonic coefficients, wherein the spherical harmonic coefficients describe a sound field, and wherein the background spherical harmonic coefficients described one or more background components of the same sound field.

9. The device of claim 8, wherein the one or more processors are further configured to obtain, from the bitstream, a first portion the spherical harmonic coefficients having an order equal to NBG-10. The device of claim 8, wherein the one or more processors are further configured to obtain, from the bitstream, a first audio encoded portion the spherical harmonic coefficients having an order equal to NBG, and audio decode the audio encoded first portion of the spherical harmonic coefficients to generate a first portion of the spherical harmonic coefficients

11. The device of claim 8, wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients

12. The device of claim 8,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the one or more processors are further configured to obtain, from the bitstream, one or more 1½ST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value

decomposition with respect to the plurality of spherical harmonic coefficients, and multiply the 1½ST * SDIST vectors by the VTSMALL vectors

13. The device of claim 8,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the one or more processors are further configured to obtain, from the bitstream, one or more 1½ST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients, multiply the UDIST * SDIST vectors by the VTSMALL vectors to recover higher-order distinct background spherical harmonic coefficients, and add the background spherical harmonic coefficients that include the lower-order distinct background spherical harmonic coefficients to the higher-order distinct background spherical harmonic coefficients to recover, at least in part, the plurality of spherical harmonic coefficients

14. The device of claim 7,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the one or more processors are further configured to obtain, from the bitstream, one or more UDIST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients, multiply the UDIST * SDIST vectors by the VTSMALL vectors to recover higher-order distinct background spherical harmonic coefficients, add the background spherical harmonic coefficients that include the lower-order distinct background spherical harmonic coefficients to the higher-order distinct background spherical harmonic coefficients to recover, at least in part, the plurality of spherical harmonic coefficients, and render the recovered plurality of spherical harmonic coefficients.15. A device comprising:', 'means for obtaining , from a bitstream, at least one of one or more vectors decomposed from spherical harmonic coefficients that were recombined with background spherical harmonic coefficients, wherein the spherical harmonic coefficients describe a sound field, and wherein the background spherical harmonic coefficients described one or more background components of the same sound field.16. The device of claim 15, further comprising means for obtaining , from the bitstream, a first portion the spherical harmonic coefficients having an order equal to NBG.17. The device of claim 15, further comprising:', 'means for obtaining , from the bitstream, a first audio encoded portion the spherical harmonic coefficients having an order equal to NBG; and', 'means for audio decoding the audio encoded first portion of the spherical harmonic coefficients to generate a first portion of the spherical harmonic coefficients.18. The device of claim 15, wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients.19. The device of claim 15,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the device further comprises:', 'means for obtaining , from the bitstream, one or more UDIST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients; and', 'means for multiplying the 1½ST * SDIST vectors by the VTSMALL vectors.

20. The device of claim 15,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the device further comprises:', 'means for obtaining , from the bitstream, one or more 1½ST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients;', 'means for multiplying the 1½ST * SDIST vectors by the VTSMALL vectors to recover higher-order distinct background spherical harmonic coefficients; and', 'means for adding the background spherical harmonic coefficients that include the lower-order distinct background spherical harmonic coefficients to the higher-order distinct background spherical harmonic coefficients to recover, at least in part, the plurality of spherical harmonic coefficients.

21. The device of claim 15,', 'wherein the at least one of the one or more vectors comprise one or more VTSMALL vectors, the one or more VTSMALL vectors having been determined from a transpose of a V matrix generated by performing a singular value decomposition with respect to the plurality of spherical harmonic coefficients, and', 'wherein the device further comprises:', 'means for obtaining , from the bitstream, one or more 1½ST * SDIST vectors having been derived from a U matrix and an S matrix, both of which were generated by performing the singular value decomposition with respect to the plurality of spherical harmonic coefficients;', 'means for multiplying the 1½ST * SDIST vectors by the VTSMALL vectors to recover higher-order distinct background spherical harmonic coefficients;', 'means for adding the background spherical harmonic coefficients that include the lower-order distinct background spherical harmonic coefficients to the higher-order distinct background spherical harmonic coefficients to recover, at least in part, the plurality of spherical harmonic coefficients; and', 'means for rendering the recovered plurality of spherical harmonic coefficients.

22. A non-transitory computer-readable storage medium having stored thereon instructions that, when executed, cause one or more processors to:', 'obtain, from a bitstream, at least one of one or more vectors decomposed from spherical harmonic coefficients that were recombined with background spherical harmonic coefficients, wherein the spherical harmonic coefficients describe a sound field, and wherein the background spherical harmonic coefficients described one or more background components of the same sound field.']