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

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

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

    buffer_size

    channels

    sampling_rate

    Methods

    read

    View source 

      read 
 ( 
 size 
 : 
 int 
 ) 
 -> 
 np 
 . 
 ndarray

    Reads the latest audio data captured in the buffer.

    Args

    size
    Number of samples to read from the buffer.

    Returns
    A NumPy array containing the audio data.

    Raises

    ValueError
    Raised if size is larger than the buffer size.

    start_recording

    View source 

      start_recording 
 () 
 -> 
 None

    Starts the audio recording.

    stop

    View source 

      stop 
 () 
 -> 
 None

    Stops the audio recording.
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