Dolby AC-4

News releases

• • March 27, 2026
  • Dolby AC-4

  Dolby and QQ Music Advance Streaming Music with Enhancements to Dolby AC-4

  Delivering greater fidelity, clarity and detail to Dolby Atmos at scale.

• • March 27, 2018
  • Dolby AC-4

  Dolby Atmos Immersive Sound Brought to Huawei Mobile Devices

  Dolby Laboratories, Inc.(NYSE:DLB) today announced a partnership with Huawei to launch the HUAWEI P20 and HUAWEI P20 Pro with Dolby Atmos sound and Dolby® AC-4.

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