pyflink.multimodal.expression.AudioExpressionAccessor.standardize

AudioExpressionAccessor.standardize(*, sample_rate: int = 16000, channels: int = 1, concurrency: Optional[int] = None) → pyflink.table.expression.Expression

Standardize waveform sample rate and channel count.

Equivalent to audio_standardize(). See that function for full parameter details.

Parameters

• sample_rate – Target sample rate in samples per second.

• channels – Target channel count.

• concurrency – Optional execution concurrency for this operation. None uses the framework default.

Returns

A DataFrame expression that produces standardized waveform ROW values.