twidddj / tf-wavenet_vocoder Goto Github PK
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License: MIT License
Wavenet and its applications with Tensorflow
License: MIT License
Hi There!
Can you release the pre-trained weights used to generate the demo samples?
Thanks!
Trying to restore saved checkpoints from /Users//desktop/log_dir_path ... No checkpoint found.
So far, I couldn't find the model which attention works in "reduction factor" = 1. If we use the factor > 1, the prediction would seem like below image. It would be a bad news to wavenet performance.
Here, the original Mel-spectrum is
You can find some discussion for this issue on @Rayhane-mamah's repo and @keithito's repo also.
Hello, thanks to your great work!
I have seen your mixture code, how does the loss change in the training process?
I trained it in my vocoder project, but it can sample good
what do you changed? I have been in trobule with it for weeks.
Title
We stopped the training at 680K step.
You can find some results at https://twidddj.github.io/docs/vocoder.
We tested the vocoder on the set of two group: 1) samples from the datasets 2) samples generated from Tacotron.
This is because my stupid mistake (So sorry, I did not separate the data for test).
However, I believe the result shows the performance to some extent. See first section in the page.
In other section, you can guess the performance of the vocoder.
It can generate enough as much as the target using only mel-spectrum of target.
Moreover, some part of the result has better quality than target (I hope you think so too). Note that the Tacotron was trained on sample rate = 24K audio data on the other hand our vocoder was trained sample rate = 22K. This means that the vocoder has never seen the frequencies over 11K. Therefore, If you synchronize the sample rate, your results would be better than the results we reported.
By the way, we believe the pre-trained model can be used as a teacher model for parallel wavenet.
Not yet tested.
Not yet tested.
condition_cut = tf.shape(local_condition_batch)[1] - tf.shape(conv_filter)[1]
lc = tf.slice(local_condition_batch, [0, condition_cut, 0], [-1, -1, -1])
conv_filter += tf.nn.conv1d(lc, variables['cond_filter'], stride=1, padding="SAME", name="cond_filter")
If you cut the local condition before conv1d, the beginning of the local condition is always cut.
I think, the cut should be moved after conv1d.
Hi,
Please consider adding a license to your code so that others may use it. I'm particularly interested in the Generalized fast generation algorithm for filter widths > 2 but the lack of a license is a blocker for myself and I imagine others.
@twidddj ! hi , do you plan release parallel wavenet?
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