[ProAudio] 4-channel program distribution format(s)

Richard L. Hess lists at richardhess.com
Tue Jan 24 16:35:03 PST 2023

Thank you, Chris!

This might be promising. How widely is this being adopted?



On 2023-01-24 5:05 p.m., Chris Caudle via ProAudio wrote:
> On Tue, January 24, 2023 3:38 pm, Richard L. Hess via ProAudio wrote:
>> That's good to know, but what to put them on? DVD, BD, Thumb Drive (as
>> WAV or FLAC, four files or one)?
> What about lossless audio on Blu-Ray?
> There is even an AES recommendation on how to structure so you don't need
> a screen to find tracks:
> AES-21id-2011 (r2017): AES Information Document for audio-file transfer
> and exchange - Screen-less navigation for high-resolution audio on Blu-ray
> Disc™
>     Printing Date: 2017-05-01
>     Publication History: Pub. 2011; Reaffirmed 2017
>     Abstract: High-resolution audio, presented as uncompressed LPCM, has
> been waiting for a suitable transport format for some time. The Blu-ray
> Disc (BD) format offers such a transport and supports the necessary
> linear and lossless codecs as part of its basic specification. While
> many BD players can be found in home theatre and games environments,
> there are some issues that need to be addressed before they can be
> introduced into a hi-fi environment that does not have a screen to
> present visual menus for audio stream setup and track selection. This
> recommended method specifies a structure for authoring a BD ROM to
> enable playback in screen-less consumer systems, and to provide simple
> track selection from the remote control.
Richard L. Hess                   email:richard at richardhess.com
Aurora, Ontario, Canadahttp://www.richardhess.com/
Quality tape transfers -- even from hard-to-play tapes.
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