shithub: opus

Info  •  Files  •  Log  •  Branches

Add noise before sample embedding

Simulates rounding

--- a/dnn/training_tf2/lpcnet.py

+++ b/dnn/training_tf2/lpcnet.py

@@ -268,6 +268,7 @@

     past_errors = error_calc([Input_extractor([pcm,0]),tensor_preds])

     embed = diff_Embed(name='embed_sig',initializer = PCMInit())

     cpcm = Concatenate()([tf_l2u(Input_extractor([pcm,0])),tf_l2u(tensor_preds),past_errors])

+    cpcm = GaussianNoise(.3)(cpcm)

     cpcm = Reshape((-1, embed_size*3))(embed(cpcm))

     cpcm_decoder = Concatenate()([Input_extractor([dpcm,0]),Input_extractor([dpcm,1]),Input_extractor([dpcm,2])])

     cpcm_decoder = Reshape((-1, embed_size*3))(embed(cpcm_decoder))

-- 

⑨