Abstract: Networked devices are arranged to play content such as audio and video content in synchronization. A synching device receives a packet from an initiating device over a network. The packet may include an identifier of content to play, such as a URI, and an indication of when to play the content. A local clock time to play the content is determined based on a time of a local clock of the first device and the indication of when to play the content. The synching device obtains from a server the content based on the received identifier, and plays the content in synchronization with the initiating device based on a time on the local clock and the local clock time to play the content. In some embodiments, the synching device also adjusts a clock speed of the local clock reference to control rate of playback of the content.

Abstract: Networked devices are arranged to play content such as audio and video content in synchronization. A synching device receives a packet from an initiating device over a network. The packet may include an identifier of content to play, such as a URI, and an indication of when to play the content. A local clock time to play the content is determined based on a time of a local clock of the first device and the indication of when to play the content. The synching device obtains from a server the content based on the received identifier, and plays the content in synchronization with the initiating device based on a time on the local clock and the local clock time to play the content. In some embodiments, the synching device also adjusts a clock speed of the local clock reference to control rate of playback of the content.

Abstract: Audio content may be played back in synchrony with a member of a synchrony group based on playback timing information. While synchronously playing back the audio content, the playback timing information may be transmitted to the member of the synchrony group. The transmitted playback timing information may comprise a first timestamp. In response to a pause command, the synchronous playback may be paused prior to a time indicated by the first timestamp and a second timestamp. While the synchronous playback is paused and in response to a resume command, the member of the synchrony group may be instructed to update the first timestamp based on a new start time indicative of when the synchronous playback is to be resumed and update the second timestamp such that the updated second timestamp is synchronized with the updated first timestamp. The synchronous playback may be resumed based on the updated second timestamp.

Abstract: Multiple aspects of systems and methods for voice control and related features and functionality for various embodiments of media playback devices, networked microphone devices, microphone-equipped media playback devices, and speaker-equipped networked microphone devices are disclosed and described herein, including but not limited to designating and managing default networked devices, audio response playback, room-corrected voice detection, content mixing, music service selection, metadata exchange between networked playback systems and networked microphone systems, handling loss of pairing between networked devices, actions based on user identification, and other voice control of networked devices.

Abstract: A playback device comprises a network interface configured to communicate with a network microphone device. A processor of the playback device comprises instructions, which when executed, cause the processor to receive a message associated with the network microphone device; and adjust a volume of audio content below a volume of content associated with the network microphone device based on the message.

Abstract: Networked devices are arranged to play content such as audio and video content in synchronization. A synching device receives a packet from an initiating device over a network. The packet may include an identifier of content to play, such as a URI, and an indication of when to play the content. A local clock time to play the content is determined based on a time of a local clock of the first device and the indication of when to play the content. The synching device obtains from a server the content based on the received identifier, and plays the content in synchronization with the initiating device based on a time on the local clock and the local clock time to play the content. In some embodiments, the synching device also adjusts a clock speed of the local clock reference to control rate of playback of the content.

Abstract: A network device transmits to at least one playback device, audio information and playback timing information, wherein the audio information is associated with a first timestamp and a second timestamp; wherein the first timestamp and the second timestamp identify a time to playback the audio information; and wherein the playback timing information comprises the first timestamp. After transmitting the audio information and playback timing information, the network device receives while playback of the audio information is paused via the network interface, a command to resume playback of the audio information; wherein the audio information is paused prior to a time indicated by the first timestamp and second timestamp to play back the audio information. The network device instructs the at least one playback device to update the first timestamp, and updates the second timestamp to facilitate playback the audio information in synchrony.

Abstract: A playback device may be communicatively connected to a network device at a demonstration location. After connecting to the network device, the playback device may receive from the network device, a message indicating media content for playback by the playback device. In response to receiving the message, the playback device may play the media content, where playing the media content comprises modifying a default configuration of a demonstration mode. After receiving the message, the playback device may be disconnected from the network device. After disconnecting from the network device, the playback device may return to the default configuration of the demonstration mode.

Abstract: A network device transmits to at least one playback device, audio information and playback timing information, wherein the audio information is associated with a first timestamp and a second timestamp; wherein the first timestamp and the second timestamp identify a time to playback the audio information; and wherein the playback timing information comprises the first timestamp. After transmitting the audio information and playback timing information, the network device receives while playback of the audio information is paused via the network interface, a command to resume playback of the audio information; wherein the audio information is paused prior to a time indicated by the first timestamp and second timestamp to play back the audio information. The network device instructs the at least one playback device to update the first timestamp, and updates the second timestamp to facilitate playback the audio information in synchrony.