sample: Add sample

sample.py

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+import sys
+sys.path.append('..')
+
+import speechset
+
+
+# construct data reader
+lj = speechset.datasets.LJSpeech()
+
+# construct configuration
+config = speechset.Config()
+
+# construct acoustic model
+acoustic = speechset.AcousticDataset(lj, config)
+
+# generate tf.data.Dataset
+dataset, _ = acoustic.dataset()
+# unpack
+text, mel, textlen, mellen = next(iter(dataset))
+print(text.shape, mel.shape, textlen.shape, mellen.shape)
+
+# split sample
+trainset, testset = acoustic.dataset(1000)
+# unpack
+text, mel, textlen, mellen = next(iter(trainset))
+print(text.shape, mel.shape, textlen.shape, mellen.shape)
+
+text, mel, textlen, mellen = next(iter(testset))
+print(text.shape, mel.shape, textlen.shape, mellen.shape)
+
+# construct vocoder model
+vocoder = speechset.VocoderDataset(lj, config)
+
+# generate tf.data.Dataset
+dataset, _ = vocoder.dataset()
+# unpack
+mel, audio, mellen, audiolen = next(iter(dataset))
+print(mel.shape, audio.shape, mellen.shape, audiolen.shape)