The documentation page INTERNAL/&AMP;NUM;TRANSFORMERS.AUDIO_UTILS.HERTZ_TO_MEL.FREQ doesn’t exist in v4.43.4, but exists on the main version. Click <a href="/docs/transformers/main/zh/internal/&amp;num;transformers.audio_utils.hertz_to_mel.freq">here</a> to redirect to the main version of the documentation.