Displaying 2 results from an estimated 2 matches for "opus_test".
2014 Aug 10
1
High Frequency Hiss with Opus at 48 kbit/s
...seem to have
this issue (although it audibly seems to change the bitrate after a
few seconds). The hiss is (at some extend) already present in the
original file, yet Opus seems to amplify it.
You can find the example uploaded here (please ignore the certificate
warning):
https://somweyr.de/public/opus_test.tar
The files were produced using the following command lines:
> opusenc --bitrate 48 test.wav test.opus
> wine xWMAEncode.exe -b 48000 test.wav test.wma
opusenc version is opusenc opus-tools 0.1.9 (using libopus 1.1)
I used ffplay (version 2.1.5) for playback.
Is there any way I can tw...
2012 Aug 25
1
Why does opus scale down frequency from 22k to 20k ?
Why does opus scale down frequency from 22k to 20k ?
64kbps<https://lh5.googleusercontent.com/-DGsEd1ijTBs/UDE3OFVrE5I/AAAAAAAADBo/bFcWQ6I4-Zk/s588/opus_64_test.png>
128kbps<https://lh3.googleusercontent.com/-3Wfvq6OPGRw/UDE3OClxEdI/AAAAAAAADBk/vsBJ9Gcd_pU/s589/opus_test.png>
192kbps<https://lh4.googleusercontent.com/-tfDAtdGM2Aw/UDE3N3mrFJI/AAAAAAAADBg/38weacOnQ7I/s588/opus_192_test.png>
this action will affect the quality of audio.
*Can this feature be disable in future ?*
And
*Can opus add no noise and echo in audio at high kbps *(192kbps +) *?*
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