[opus] Questions Regarding Opus Test Vectors

Benjamin Schwartz ben at bemasc.net
Sun Nov 10 10:53:20 PST 2013

On Sun, Nov 10, 2013 at 10:41 AM, Wang, Chris <cwang at sonusnet.com> wrote:

>  I downloaded test vectors from opus-codec.org site.  The site indicated
> that the test files are intended for verifying that the Opus decoders are
> operating properly.  I assume I could also use them to verify my encoder
> implementation, right?  For example, use testvector01.dec as input to my
> encoder and compare its output bitstream with the corresponding
> testvector01.bit bitstream file.

No.  Opus is not reversible.  The encoder does not invert the decoder.

>   Any idea what configuration parameters (bandwidth, bitrate, complexity,
> stereo mode, dtx, etc) I should use on my encoder.  Or a more general
> question: what encoding parameters were used to generate testvectorxx.bit
> from testvectorxx.dec?
> Thank you,
> Chris
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