pyflink.multimodal.expression.AudioExpressionAccessor.encode

AudioExpressionAccessor.encode(*, format: str = 'wav', concurrency: Optional[int] = None) → pyflink.table.expression.Expression

Encode waveform rows to audio bytes.

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

Parameters

• format – Encoded output format, such as "wav" or "flac".

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

Returns

A DataFrame expression that produces encoded BINARY audio bytes.