Update

Signed-off-by: Jael Gu <mengjia.gu@zilliz.com>

README.md

@@ -18,37 +18,22 @@ This operator extracts features for audio with [data2vec](https://arxiv.org/abs/
 
 Generate embeddings for the audio "test.wav".
 
-
- *Write the pipeline in simplified style*:
+*Write a pipeline with explicit inputs/outputs name specifications:*
 
 ```python
-import towhee
-
-(
-    towhee.glob('test.wav')
-          .audio_decode.ffmpeg()
-          .runas_op(func=lambda x:[y[0] for y in x])
-          .audio_embedding.data2vec()
-          .show()
-)
-
-```
+from towhee.dc2 import pipe, ops, DataCollection
 
-*Write a same pipeline with explicit inputs/outputs name specifications:*
-
-```python
-import towhee
-
-(
-    towhee.glob['path']('test.wav')
-          .audio_decode.ffmpeg['path', 'frames']()
-          .runas_op['frames', 'frames'](func=lambda x:[y[0] for y in x])
-          .audio_embedding.data2vec['frames', 'vecs'](model_name="facebook/data2vec-audio-base-960h")
-          .select['path', 'vecs']()
-          .show()
+p = (
+    pipe.input('path')
+        .map('path', 'frame', ops.audio_decode.ffmpeg(sample_rate=16000))
+        .map('frame', 'vecs', ops.audio_embedding.data2vec(model_name='facebook/data2vec-audio-base-960h'))
+        .output('path', 'vecs')
 )
+
+DataCollection(p('test.wav')).show()
 ```
 
+<img src="./result.png" width="800px"/>
 
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