[docs]update readme (#3043)

demos/TTSArmLinux/README.md

@@ -10,7 +10,7 @@
 
 ### 安装依赖
 
-```
+```bash
 # Ubuntu
 sudo apt install build-essential cmake pkg-config wget tar unzip
 
@@ -25,15 +25,13 @@ sudo yum install cmake wget tar unzip
 
 可用以下命令下载：
 
-```
-git clone https://github.com/PaddlePaddle/PaddleSpeech.git
-cd PaddleSpeech/demos/TTSArmLinux
+```bash
 ./download.sh
 ```
 
 ### 编译 Demo
 
-```
+```bash
 ./build.sh
 ```
 
@@ -43,7 +41,9 @@ cd PaddleSpeech/demos/TTSArmLinux
 
 ### 运行
 
-```
+你可以修改 `./front.conf` 中 `--phone2id_path` 参数为你自己的声学模型的 `phone_id_map.txt` 。
+
+```bash
 ./run.sh
 ./run.sh --sentence "语音合成测试"
 ./run.sh --sentence "输出到指定的音频文件" --output_wav ./output/test.wav

demos/TTSCppFrontend/README.md

@@ -6,7 +6,7 @@ Currently it only supports Chinese, any English word will crash the demo.
 
 ## Install Build Tools
 
-```
+```bash
 # Ubuntu
 sudo apt install build-essential cmake pkg-config
 
@@ -19,7 +19,7 @@ If your cmake version is too old, you can go here to download a precompiled new
 
 ## Build
 
-```
+```bash
 # Build with all CPU cores
 ./build.sh
 
@@ -33,14 +33,14 @@ If the download speed is too slow, you can open [third-party/CMakeLists.txt](thi
 
 ## Download dictionary files
 
-```
+```bash
 ./download.sh
 ```
 
 ## Run
 You can change `--phone2id_path` in `./front_demo/front.conf` to the `phone_id_map.txt` of your own acoustic model.
 
-```
+```bash
 ./run_front_demo.sh
 ./run_front_demo.sh --help
 ./run_front_demo.sh --sentence "这是语音合成服务的文本前端，用于将文本转换为音素序号数组。"
@@ -49,7 +49,7 @@ You can change `--phone2id_path` in `./front_demo/front.conf` to the `phone_id_m
 
 ## Clean
 
-```
+```bash
 ./clean.sh
 ```