update paddle version requirement to 1.7, remove requirements.txt

README.md

@@ -8,6 +8,12 @@ Parakeet aims to provide a flexible, efficient and state-of-the-art text-to-spee
 
 ## Installation
 
+### Install Paddlepaddle
+
+See [install](https://www.paddlepaddle.org.cn/install/quick) for more details. This repo requires paddlepaddle's version is above 1.7.
+
+### Install Parakeet
+
 ```bash
 # git clone this repo first
 cd Parakeet

requirements.txt

-numba==0.45.1
-numpy==1.16.4
-nltk==3.4.4
-scipy
-unidecode==1.1.1
-inflect==2.1.0
-librosa==0.7.0
-tqdm==4.35.0
-tensorboardX==1.8
-matplotlib
-requests==2.22.0
-lws==1.2.4
-nnmnkwii
-tensorboard