Codec

Proposed@24kHz

EnCodec

Figure 4: Listening tests at 24 KHz: MUSHRA
scores with 95% confidence intervals vs bitrate for
EnCodec, our proposed approach with the same
configuration, and the reference. Here all samples
under comparison are resampled to 24 KHz.

Table 4: Encodec Configuration: Objective evalu-
ation of the proposed model trained with the same
configuration as EnCodec at varying bitrates, along
with results from EnCodec.

9

24681012Bitrate (kbps)102030405060708090MUSHRA scoreReferenceProposedEnCodec24681012Bitrate (kbps)102030405060708090MUSHRA scoreReferenceProposedEnCodecFigure 5: MUSHRA by category: MUSHRA scores with 95% confidence intervals vs bitrate for our
proposed model, EnCodec and reference.

5 Conclusion
RVQGAN