existing 802.11 specification (b/g/n). It emerged in late 2012 as an Android streaming protocol, with iOS support added in September 2013, and Windows support later, including audio/video sync. The first Play-Fi speaker was the Phorus PS1, made by DTS subsidiary Phorus. Unlike competitors such as Sonos or SoundTouch from Bose, Play-Fi is an open standard and has been adopted by a wide range of brands including Anthem, Arcam, Audiolab, Definitive Technology, Hewlett-Packard, Integra, Klipsch, MartinLogan, McIntosh, Onkyo, Paradigm, Philips, Pioneer, Polk Audio, Rotel, Sonus Faber, Soundcast and Wren. The Play-Fi app supports streaming from the user's device, DLNA servers, via AirPlay and from online streaming services including Spotify, Pandora Radio, Amazon Prime Music, iHeart Radio, Rhapsody, SiriusXM, Tidal, Qobuz, KKBox, QQ Music, and Juke. DTS Play-Fi also introduced a Play-Fi enabled wireless speaker with Amazon Alexa Voice Services built-in under the Onkyo, Phorus, and Pioneer brands in September 2017. Other Play-Fi capabilities include: grouping speakers for individual simultaneous playback of the same source and so that their volume can be controlled simultaneously grouping speakers in stereo or surround configurations creating zones for playing different audio streams to different groups of speakers streaming line-in input to a speaker group streaming of arbitrary audio output on computers running Windows or Linux with PulseAudio (albeit with a delay and only to individual speakers, as opposed to groups, zones, or stereo configurations) streaming the left and right surround channels of a broadcast or movie to two wireless Play-Fi speakers to be used as surround channels with a Play-Fi enabled sound bar. Ability to stream and decode high resolution audio (up to 96 kHz / 24-bit). Play-Fi does not support Google Cast, retransmitting Bluetooth input to more than one speaker, or audio streaming in sync with video on non-Windows systems. See also Dolby Digital (AC-3) Codec Dolby Laboratories Home theatre AV receiver THX References External links Xperi Companies formerly listed on the Nasdaq Audio codecs Film sound production Private equity portfolio companies Surround sound Companies based in Calabasas, California Electronics companies established in 1990 American companies established in 1990 1990 establishments in California Audiovisual introductions in 1993 2016 mergers and acquisitions