我已经拥有连接到计算机的音频设备,并且通过声音设备,我可以在不同的设备中播放音乐,但不能同时播放。这是我的代码:
from pyspark.ml.linalg import Vectors
from pyspark.ml.feature import VectorAssembler
dataset = spark.createDataFrame(
[(0, 18, 1.0, Vectors.dense([0.0, 10.0, 0.5]), 1.0)],
["id", "hour", "mobile", "userFeatures", "clicked"])
assembler = VectorAssembler(
inputCols=["hour", "mobile", "userFeatures"],
outputCol="features")
output = assembler.transform(dataset)
print("Assembled columns 'hour', 'mobile', 'userFeatures' to vector column 'features'")
output.select("features", "clicked").show(truncate=False)
Assembled columns 'hour', 'mobile', 'userFeatures' to vector column 'features'
+-----------------------+-------+
|features |clicked|
+-----------------------+-------+
|[18.0,1.0,0.0,10.0,0.5]|1.0 |
+-----------------------+-------+
我需要能够直接将特定的音频发送到设备,但是我不知道该怎么做。