chaplus_ros

ROS package for https://www.chaplus.jp/

Tutorials

1) Obtain API keys for chaplus service, go to https://www.chaplus.jp/api

You can also create account via https://chaplus.work and reqeust beta program

2) Put API key as json file under `rospack find chaplus_ros`/apikey.json

   {"apikey": "0123456789"}

Interface

Subscribing Topics

• request (std_msgs/String)

Input text data for chaplus bot system.

Publishing Topics

• response (std_msgs/String)

Response text data from chaplus bot system.

Parameters

• ~chaplus_apikey_file (String: default: rospack find chaplus_ros/apikey.json

Path to json file stores chaplus API key.

• ~communication_sample_file (String: default: rospack find chaplus_ros/communication_sample.json

Path to json file of decided responses.

If you do not want to use this, please set the parameter as use_sample:=false when roslaunch.

Sample Code

1) sample/julius_example.launch

Example to listen from your mic and respond from speakers, This demo uses Julius for speech to text engine, which requires vocabulary list. You need to change following line of the julius_example.launch to let system recognize your talk. Note that julius needs 20-30 seconds to update it's vocabulary list, so please be patient after you send the list from your command line.

  <!-- julius needs vocabulary list -->
  <node pkg="rosservice" type="rosservice" name="update_vocabulary_list"
        args='call --wait /speech_recognition "{vocabulary: {words: ["こんにちは", "おはよう"]}}"' />

2) sample/google_example.launch

Example with google speech recognition. This demo requires google_cloud_credentials_json, and update following line of the google_example.launch

  <param name="/speech_recognition/google_cloud_credentials_json"
         value="/home/k-okada/Downloads/eternal-byte-236613-4bc6962824d1.json" />

Use other chat API

A3RT

If you want to use A3RT 1) Get A3RT APIKey Please access https://a3rt.recruit-tech.co.jp/product/talkAPI/registered/ and enter your information.

2) Write A3RT API key in json file under `rospack find chaplus_ros`/apikey.json

{"apikey": "0123456789",
 "apikey_a3rt": "abcdefgh"}

3) raunch with A3RT option

roslaunch chaplus_ros google_example.launch chatbot_engine:=A3RT

Changelog for package chaplus_ros

2.1.24 (2021-07-26)

2.1.23 (2021-07-21)

• add sample_json (#264)
• Contributors: Ayaka Fujii

2.1.22 (2021-06-10)

• add chat agent interface for ros (#252)
  • add A3RT chat engine
  • add chaplus ros interface see README.md for more information
• Contributors: Ayaka Fujii

2.1.21 (2020-08-19)

2.1.20 (2020-08-07)

2.1.19 (2020-07-21)

2.1.18 (2020-07-20)

2.1.17 (2020-04-16 21:51)

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