Re: BBC Radio Labs Blog about Proms audio

On Tue, 20 Oct 2009 08:03:40 -0700 (PDT)
"davidrobinson@xxxxxxxxxxxxxxxx" <davidrobinson@xxxxxxxxxxxxxxxx> wrote:
On 20 Oct, 14:27, boltar2...@xxxxxxxxxxx wrote:
On Tue, 20 Oct 2009 05:27:35 -0700 (PDT)

"davidrobin...@xxxxxxxxxxxxxxxx" <davidrobin...@xxxxxxxxxxxxxxxx> wrote:
You know what someone from the BBC said about BBC HD's audio encoding?
"We carried out extensive tests, and found that 448kbps was needed [to
make most artefacts inaudible] - so they're broadcasting at 384kbps
<rolls eyes>".

An HD channel isn't exactly short on bandwidth , why don't they just
use lossless compression?

6 channels, 48kHz sampling, 24-bits = 6.9Mbps. Lossless encoding could

Are HD channels surround sound? I was assuming just stereo. But if it
is then fair do's, lossless wouldn't really be an option.

B2003


.

Relevant Pages

  • Re: BBC Radio Labs Blog about Proms audio
    ... make most artefacts inaudible] - so they're broadcasting at 384kbps ... <rolls eyes>". ... An HD channel isn't exactly short on bandwidth, ... use lossless compression? ...
    (alt.radio.digital)
  • Re: Subtracting G channel from R and B may increase lossless compression?
    ... increase lossless compression? ... out that this is true but not for all images. ... Do you think that subtracting for example the R channel or the B channel ...
    (comp.compression)
  • Re: Subtracting G channel from R and B may increase lossless compression?
    ... increase lossless compression? ... out that this is true but not for all images. ... Do you think that subtracting for example the R channel or the B channel ...
    (comp.compression)
  • Re: The effects of mobile phone usage on health
    ... There were too many customers on too little channel space.... ... While we're at it, let's, quietly, turn their power levels way ... broadcasting in the KILO and MEGAwatt levels. ...
    (alt.cellular.verizon)
  • Re: Humax 9200T issues.
    ... record one channel (hence the Humax has escaped the bin). ... Due to this situation our engineers visited from Korea some weeks ago, and working alongside the various broadcasters, have developed over the air software updates that correct these issues. ... We have already commenced broadcasting these updates for the PVR9150T and PVR9300T units and hope to be ...
    (uk.tech.digital-tv)