Introducing LiteRT: Google's high-performance runtime for on-device AI, formerly known as TensorFlow Lite. Learn more

tflite_support.task.audio.AudioRecord

A class to record audio in a streaming basis.

tflite_support.task.audio.AudioRecord(
    channels: int, sampling_rate: int, buffer_size: int
) -> None

Args
`channels`	Number of input channels.
`sampling_rate`	Sampling rate in Hertz.
`buffer_size`	Size of the ring buffer in number of samples.

Raises
`ValueError`	if any of the arguments is non-positive.
`ImportError`	if failed to import `sounddevice`.
`OSError`	if failed to load `PortAudio`.

Attributes

buffer_size

channels

sampling_rate

read(
    size: int
) -> np.ndarray

Reads the latest audio data captured in the buffer.