Have you tried digital radio mondial? It might be more appropriate for hi-fi.
Albert Cahalan <[email protected]> wrote:
>For me, the hope has been that digital voice would allow cramming
>superior (to humans) audio into the same radio spectrum. I'm really
>disappointed to see the same old just-under-4-kHz limit being used.
>SSB incompatibility is kind of pointless if it isn't an improvement.
>There are numerous reasons to want wider speech bandwidth:
>
>Cochlear implant users need it. They struggle with telephones.
>
>People listening in a non-native language need it. When the
>language is not natural for you, being unable to hear the difference
>between F and S (an English example) becomes a huge problem.
>You need to hear every word correctly because you can't mentally
>fill in the blanks.
>
>Distorted audio is tiring. It's just plain unpleasant.
>
>Distinguishing speakers would be rather nice. Consider people who
>are closely related, of similar age, and/or high-pitched females.
>
>Polycom has some nice graphs regarding intelligibility:
>
>http://www.polycom.com/global/documents/whitepapers/effect_of_bandwidth_on_speech_intelligibility_2.pdf
>
>People are even widening up analog in the ham bands now.
>(for example, 6 kHz wide) Google for any of:
>
>hi-fi ssb
>hifi ssb
>essb
>
>Being analog, this of course does take more spectrum.
>
>Remember also that one of the reasons for people to use Skype
>has been the audio quality, The old versions sampled at 11.025 kHz
>only. Despite lossy compression, this is better than 8 kHz POTS.
>
>With better audio, operating style can even change. There is no
>need for a phonetic alphabet if you can understand letters just fine.
>
>------------------------------------------------------------------------------
>Everyone hates slow websites. So do we.
>Make your web apps faster with AppDynamics
>Download AppDynamics Lite for free today:
>http://p.sf.net/sfu/appdyn_d2d_mar
>_______________________________________________
>Freetel-codec2 mailing list
>[email protected]
>https://lists.sourceforge.net/lists/listinfo/freetel-codec2
--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
------------------------------------------------------------------------------
Everyone hates slow websites. So do we.
Make your web apps faster with AppDynamics
Download AppDynamics Lite for free today:
http://p.sf.net/sfu/appdyn_d2d_mar
_______________________________________________
Freetel-codec2 mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/freetel-codec2
