usacSamplingFrequencyIndex
determines the sampling frequency of the audio signal after decoding
ISO IEC 23003-3 (USAC):UsacConfig
(field) (value) is known as reserved in (specificiation), bitstream parsing is partial and may be wrong usacSamplingFrequency is used but usacSamplingFrequencyIndex (value) could be used instead
(field)
(value)
(specificiation)
usacSamplingFrequency