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Original question:

LAUNCHXL-CC1310: Audio codecs on CC13x2 / Audio SDK for CC13x2

LAUNCHXL-CC1310: CC1352P7 - stereo opus encoding

Luca Palazzo
Prodigy 70 points

Hi,

i've successfully rebult audio plugin enable stereo support. I've tried to run the same code that works using mono audio simply changing the channels number but opus_encode return an encoded length of two bytes. This returned length seems some error output of celp library. Is there something other than rebuild with ALLOW_STEREO define to make stereo encoding work?

Thanks

Luca

  • 0
    TI__Guru* 79421 points

    Hi

    I am not familiar with the Audio plugin at all, but from the documentation (Opus Library: Opus (ti.com)) it says:

    In order to support SimpleLink devices, the TI optimized implementation only supports the CELT codec. Anything relating to SILK and HYBRID modes is unsupported. The original implementation and documentation can be found at the Opus Codec website.

    Additionally, optional build options further reduce the functionality to:

    • Mono
    • 20ms frames
    • Complexity setting <= 3