import board
import audiopwmio
import audiocore
import audiomixer

class SamplePlayer:
    def __init__(self):
        self.audio = audiopwmio.PWMAudioOut(board.D12)
        self.mixer = audiomixer.Mixer(
            voice_count=1,
            sample_rate=16000,
            channel_count=1,
            bits_per_sample=8,
            samples_signed=False,
        )

        self.audio.play(self.mixer)
        self.sample = audiocore.MonoWaveFile(open("boink.wav", "rb"))

    def play_sample(self):
        sample = self.sample
        voice = self.mixer.voice[0]

        sample.set_speed(0.3)
        voice.play(sample)


player = SamplePlayer()

import time
while True:
    player.play_sample()
    time.sleep(1)