CHUNK = 2048  # audio frame length
FS = 48000  # sample rate
STEP = 700.0  # 每个频率的跨度
NUM_OF_FREQ = 8  # 频率数量
N_CHANNELS = 7  # 声道数
F0 = 17350.0
I_Q_skip = 1000

RECEIVE_CHANNELS = 8  # 可以改进，等测试，直接用7channel

STD_THRESHOLD = 0.015  # 运动阈值

PADDING_LEN = 1400

data_shape = (NUM_OF_FREQ * N_CHANNELS, PADDING_LEN)
