Bluemix Watson の Speech To Text API をローカルから使用するサンプル

watson-speech-to-text.rb

require 'uri'
require 'net/http'

username = "<YOUR API KEY>"
password = "<PASSWORD>"

file = 'TEST.wav'
response = nil
url = 'https://stream.watsonplatform.net/speech-to-text/api/v1/recognize?model=ja-JP_BroadbandModel'

uri = URI.parse(url)
https = Net::HTTP.new(uri.host, uri.port)
https.use_ssl = true
# https.set_debug_output $stderr
data = open(file, 'rb') { |f| f.read }
request = Net::HTTP::Post.new(url)
request.basic_auth(username, password)
request["Content-Type"] = "audio/wav"
request["Transfer-Encoding"] = "chunked"

request.body = data
res = https.request(request)
puts res.body