This includes Microsoft’s successor to Internet Explorer, Microsoft Edge. Many important streaming providers including Netflix, Spotify and HBO stream surround sound in the compressed Dolby Digital Plus format and in May of this year, Microsoft announced that Windows 10 PCs will support Dolby Digital Plus. It should therefore come as no surprise that this audio technology is gaining in popularity. The increasing use of HDMI cables also places constraints on the storage available for multi-channel soundtracks as much of the bandwidth is taken up with new technologies like 3D and audio return channel.ĭigital surround compression that retained as much as the original PCM recording as possible (basically identical to the studio master) is the order of the day and this is what DD+ offers. It is therefore simply not possible to transmit an entire lossless multichannel soundtrack. Streaming brought greater convenience than DVDs and Blu-rays as a movie could be instantly selected and enjoyed, but the price for this convenience was bandwidth. However, as streaming began to edge out physical storage formats like Blu-ray discs, a need arose for better sounding compressed formats. Dolby TrueHD is a lossless audio codec capable of storing up to 8 channels for supplying even 7.1 systems with sound.
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