From 3fd03700655236a5fa61ca4199a8cdaebb9180a4 Mon Sep 17 00:00:00 2001
From: "kalonb91@gmail.com" <kalonb91@gmail.com>
Date: Mon, 22 Jan 2018 23:42:20 +0000
Subject: [PATCH 1/6] adding adjustments to snowboy for matrix creator

---
 examples/Python/demo_arecord.py           | 2 +-
 examples/Python/snowboydecoder_arecord.py | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/examples/Python/demo_arecord.py b/examples/Python/demo_arecord.py
index c14bf155..88b39fe5 100644
--- a/examples/Python/demo_arecord.py
+++ b/examples/Python/demo_arecord.py
@@ -24,7 +24,7 @@ def interrupt_callback():
 # capture SIGINT signal, e.g., Ctrl+C
 signal.signal(signal.SIGINT, signal_handler)
 
-detector = snowboydecoder_arecord.HotwordDetector(model, sensitivity=0.5)
+detector = snowboydecoder_arecord.HotwordDetector(model, sensitivity=0.4)
 print('Listening... Press Ctrl+C to exit')
 
 # main loop
diff --git a/examples/Python/snowboydecoder_arecord.py b/examples/Python/snowboydecoder_arecord.py
index efa3be46..3c4aa118 100644
--- a/examples/Python/snowboydecoder_arecord.py
+++ b/examples/Python/snowboydecoder_arecord.py
@@ -92,7 +92,7 @@ def __init__(self, decoder_model,
     def record_proc(self):
         CHUNK = 2048
         RECORD_RATE = 16000
-        cmd = 'arecord -q -r %d -f S16_LE' % RECORD_RATE
+        cmd = 'arecord -D mic_channel8 -q -r %d -f S16_LE' % RECORD_RATE
         process = subprocess.Popen(cmd.split(' '),
                                    stdout = subprocess.PIPE,
                                    stderr = subprocess.PIPE)
@@ -168,6 +168,7 @@ def start(self, detected_callback=play_audio_file,
                 callback = detected_callback[ans-1]
                 if callback is not None:
                     callback()
+		os.system('/home/pi/record.sh')
 
         logger.debug("finished.")
 

From 379ff20a2f250cb84ab76ccbff7f2bf4f278d99f Mon Sep 17 00:00:00 2001
From: "kalonb91@gmail.com" <kalonb91@gmail.com>
Date: Tue, 23 Jan 2018 01:04:34 +0000
Subject: [PATCH 2/6] moving wsk call to seperate method

---
 examples/Python/demo_arecord.py           |  2 +-
 examples/Python/snowboydecoder_arecord.py | 24 +++++++++++++++++++++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/examples/Python/demo_arecord.py b/examples/Python/demo_arecord.py
index 88b39fe5..c14bf155 100644
--- a/examples/Python/demo_arecord.py
+++ b/examples/Python/demo_arecord.py
@@ -24,7 +24,7 @@ def interrupt_callback():
 # capture SIGINT signal, e.g., Ctrl+C
 signal.signal(signal.SIGINT, signal_handler)
 
-detector = snowboydecoder_arecord.HotwordDetector(model, sensitivity=0.4)
+detector = snowboydecoder_arecord.HotwordDetector(model, sensitivity=0.5)
 print('Listening... Press Ctrl+C to exit')
 
 # main loop
diff --git a/examples/Python/snowboydecoder_arecord.py b/examples/Python/snowboydecoder_arecord.py
index 3c4aa118..72db9fc1 100644
--- a/examples/Python/snowboydecoder_arecord.py
+++ b/examples/Python/snowboydecoder_arecord.py
@@ -110,6 +110,18 @@ def init_recording(self):
         self.record_thread = threading.Thread(target = self.record_proc)
         self.record_thread.start()
 
+    def wsk_transcribe_audio(audio):
+        sys.exit(0)
+        encoded_audio = open(audio, 'r').read().encode("base64")
+        # get the wsk values by running "wsk property get"
+        whisk_namespace = "<redacted>"
+        whisk_action = "<redacted>"
+        whisk_api = "https://openwhisk.ng.bluemix.net/api/v1/namespaces/" + whisk_namespace + "/actions/" + whisk_action + "?blocking=true&result=true"
+        whisk_auth = ("<redacted>", "<redacted>")
+        stt_username = "<redacted>"
+        stt_password = "<redacted>"
+        #r = requests.post(whisk_api, json={"content_type":"audio/flac","encoding":"base64","payload": encoded_audio ,"username":stt_username,"password":stt_password}, auth=whisk_auth)
+
     def start(self, detected_callback=play_audio_file,
               interrupt_check=lambda: False,
               sleep_time=0.03):
@@ -168,8 +180,16 @@ def start(self, detected_callback=play_audio_file,
                 callback = detected_callback[ans-1]
                 if callback is not None:
                     callback()
-		os.system('/home/pi/record.sh')
-
+		matrix_demos_dir = "/home/pi/matrix-creator-hal/build/demos/"
+		beamforming_result_path = "/tmp/beamforming_result.flac"
+		cwd = os.getcwd()
+		print("Running from " + cwd)
+		os.system(matrix_demos_dir + "micarray_recorder")
+		print("Voice recording complete")
+		os.system("sox -r 16000 -c 1 -e signed -b 16 " + cwd + "/mic_16000_s16le_channel_8.raw /tmp/channel_8.wav")
+		os.system("flac -f -s /tmp/channel_8.wav -o /tmp/beamforming_result.flac")
+		print("Conversion from raw to flac complete")
+		#wsk_transcribe_audio("/tmp/beamforming_result.flac")
         logger.debug("finished.")
 
     def terminate(self):

From a4ca94db7f53fe9ec118f6015366a313b32cff39 Mon Sep 17 00:00:00 2001
From: Kalonji Bankole <kkbankol@us.ibm.com>
Date: Sun, 1 Apr 2018 15:31:45 -0700
Subject: [PATCH 3/6] updating demo.py to call whisk after wakeword is detected

---
 examples/Python/snowboydecoder.py | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/examples/Python/snowboydecoder.py b/examples/Python/snowboydecoder.py
index 8bd1f3a2..4ae8119e 100644
--- a/examples/Python/snowboydecoder.py
+++ b/examples/Python/snowboydecoder.py
@@ -7,6 +7,8 @@
 import wave
 import os
 import logging
+import sys
+import requests
 
 logging.basicConfig()
 logger = logging.getLogger("snowboy")
@@ -56,6 +58,22 @@ def play_audio_file(fname=DETECT_DING):
     audio.terminate()
 
 
+def wsk_transcribe_audio():
+    rec_seconds = 3
+    audio_path = "/tmp/input.flac"
+    os.system("rec /tmp/input.wav trim 0 " + str(rec_seconds))
+    os.system("flac -f -s /tmp/input.wav -o " + audio_path )
+    encoded_audio = open(audio_path, 'r').read().encode("base64")
+    # get the following wsk values by running "wsk property get"
+    whisk_namespace = "kkbankol%40us.ibm.com_dev"
+    whisk_action = "homeSequence"
+    whisk_api = "https://openwhisk.ng.bluemix.net/api/v1/namespaces/" + whisk_namespace + "/actions/" + whisk_action + "?blocking=true&result=true"
+    whisk_auth = ("<redacted>", "<redacted>")
+    r = requests.post(whisk_api, json={"content_type":"audio/flac","encoding":"base64","payload": encoded_audio}, auth=whisk_auth)
+    print("Listening... Press Ctrl+C to exit")
+    return
+
+
 class HotwordDetector(object):
     """
     Snowboy decoder to detect whether a keyword specified by `decoder_model`
@@ -114,7 +132,6 @@ def audio_callback(in_data, frame_count, time_info, status):
             frames_per_buffer=2048,
             stream_callback=audio_callback)
 
-
     def start(self, detected_callback=play_audio_file,
               interrupt_check=lambda: False,
               sleep_time=0.03,
@@ -188,6 +205,8 @@ def start(self, detected_callback=play_audio_file,
                     message += time.strftime("%Y-%m-%d %H:%M:%S",
                                          time.localtime(time.time()))
                     logger.info(message)
+                    wsk_transcribe_audio()
+                    logger.debug("finished.")
                     callback = detected_callback[0]
                     if callback is not None:
                         callback()
@@ -216,7 +235,6 @@ def start(self, detected_callback=play_audio_file,
 
                 recordingCount = recordingCount + 1
                 self.recordedData.append(data)
-
         logger.debug("finished.")
 
     def saveMessage(self):

From 9327609cd4f53df16327776b05d4c5c8fce2f25a Mon Sep 17 00:00:00 2001
From: Kalonji Bankole <kkbankol@us.ibm.com>
Date: Sun, 1 Apr 2018 15:43:21 -0700
Subject: [PATCH 4/6] adding sample 'hello watson' model

---
 examples/Python/Hey_Watson_PI.pmdl | Bin 0 -> 11899 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 examples/Python/Hey_Watson_PI.pmdl

diff --git a/examples/Python/Hey_Watson_PI.pmdl b/examples/Python/Hey_Watson_PI.pmdl
new file mode 100644
index 0000000000000000000000000000000000000000..bfeb168dff24686bbc4dcfa624f98a87d2034a9a
GIT binary patch
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HcmV?d00001


From 26f49a6a12088f2c2797d68db5ef7eda88798deb Mon Sep 17 00:00:00 2001
From: Kalonji Bankole <kkbankol@us.ibm.com>
Date: Sun, 1 Apr 2018 19:21:32 -0700
Subject: [PATCH 5/6] adding comments for wsk auth

---
 examples/Python/snowboydecoder.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/examples/Python/snowboydecoder.py b/examples/Python/snowboydecoder.py
index 4ae8119e..304d87cd 100644
--- a/examples/Python/snowboydecoder.py
+++ b/examples/Python/snowboydecoder.py
@@ -68,7 +68,10 @@ def wsk_transcribe_audio():
     whisk_namespace = "kkbankol%40us.ibm.com_dev"
     whisk_action = "homeSequence"
     whisk_api = "https://openwhisk.ng.bluemix.net/api/v1/namespaces/" + whisk_namespace + "/actions/" + whisk_action + "?blocking=true&result=true"
-    whisk_auth = ("<redacted>", "<redacted>")
+    # running "wsk property get" should deliver a string like 'd16f007f-d412-4511-87d9-ca34d40c6cce:OWosfg0EHHgTw4FPRxFaPDWS1IqNgihX8OazAZ9XO75VtbNQH1k5yfx7CXDdjr5a'
+    # replace the "auth" value below with the string printed by the wsk cli
+    auth = 'd16f007f-d412-4511-87d9-ca34d40c6cce:OWosfg0EHHgTw4FPRxFaPDWS1IqNgihX8OazAZ9XO75VtbNQH1k5yfx7CXDdjr5a'
+    whisk_auth = tuple(auth.split(":"))
     r = requests.post(whisk_api, json={"content_type":"audio/flac","encoding":"base64","payload": encoded_audio}, auth=whisk_auth)
     print("Listening... Press Ctrl+C to exit")
     return

From 7d82c53435bf9730f45da71700335449cf046cce Mon Sep 17 00:00:00 2001
From: cclauss <cclauss@bluewin.ch>
Date: Sun, 15 Apr 2018 08:40:11 +0200
Subject: [PATCH 6/6] Fix Python syntax errors and undefined names

---
 examples/Python/demo4.py                  | 16 ++++++----------
 examples/Python/demo_threaded.py          |  9 +++++++--
 examples/Python/snowboydecoder_arecord.py | 22 +++++++++++-----------
 examples/Python3/demo4.py                 |  6 ++----
 examples/REST_API/training_service.py     |  8 ++++----
 5 files changed, 30 insertions(+), 31 deletions(-)

diff --git a/examples/Python/demo4.py b/examples/Python/demo4.py
index a59eedaa..718e997e 100644
--- a/examples/Python/demo4.py
+++ b/examples/Python/demo4.py
@@ -18,7 +18,7 @@
 
 
 def audioRecorderCallback(fname):
-    print "converting audio to text"
+    print("converting audio to text")
     r = sr.Recognizer()
     with sr.AudioFile(fname) as source:
         audio = r.record(source)  # read the entire audio file
@@ -29,9 +29,9 @@ def audioRecorderCallback(fname):
         # instead of `r.recognize_google(audio)`
         print(r.recognize_google(audio))
     except sr.UnknownValueError:
-        print "Google Speech Recognition could not understand audio"
+        print("Google Speech Recognition could not understand audio")
     except sr.RequestError as e:
-        print "Could not request results from Google Speech Recognition service; {0}".format(e)
+        print("Could not request results from Google Speech Recognition service; {0}".format(e))
 
     os.remove(fname)
 
@@ -51,8 +51,8 @@ def interrupt_callback():
     return interrupted
 
 if len(sys.argv) == 1:
-    print "Error: need to specify model name"
-    print "Usage: python demo.py your.model"
+    print("Error: need to specify model name")
+    print("Usage: python demo.py your.model")
     sys.exit(-1)
 
 model = sys.argv[1]
@@ -61,7 +61,7 @@ def interrupt_callback():
 signal.signal(signal.SIGINT, signal_handler)
 
 detector = snowboydecoder.HotwordDetector(model, sensitivity=0.38)
-print "Listening... Press Ctrl+C to exit"
+print("Listening... Press Ctrl+C to exit")
 
 # main loop
 detector.start(detected_callback=detectedCallback,
@@ -70,7 +70,3 @@ def interrupt_callback():
                sleep_time=0.01)
 
 detector.terminate()
-
-
-
-
diff --git a/examples/Python/demo_threaded.py b/examples/Python/demo_threaded.py
index ded146c7..2e202922 100644
--- a/examples/Python/demo_threaded.py
+++ b/examples/Python/demo_threaded.py
@@ -3,6 +3,11 @@
 import signal
 import time
 
+try:
+    raw_input          # Python 2
+except NameError:
+    raw_input = input  # Python 3
+
 stop_program = False
 
 # This a demo that shows running Snowboy in another thread
@@ -40,8 +45,8 @@ def signal_handler(signal, frame):
     try:
         num1 = int(raw_input("Enter the first number to add: "))
         num2 = int(raw_input("Enter the second number to add: "))
-        print "Sum of number: {}".format(num1 + num2)
+        print("Sum of number: {}".format(num1 + num2))
     except ValueError:
-        print "You did not enter a number."
+        print("You did not enter a number.")
 
 threaded_detector.terminate()
diff --git a/examples/Python/snowboydecoder_arecord.py b/examples/Python/snowboydecoder_arecord.py
index 72db9fc1..992c9d80 100644
--- a/examples/Python/snowboydecoder_arecord.py
+++ b/examples/Python/snowboydecoder_arecord.py
@@ -5,6 +5,7 @@
 import time
 import wave
 import os
+import sys
 import logging
 import subprocess
 import threading
@@ -180,16 +181,16 @@ def start(self, detected_callback=play_audio_file,
                 callback = detected_callback[ans-1]
                 if callback is not None:
                     callback()
-		matrix_demos_dir = "/home/pi/matrix-creator-hal/build/demos/"
-		beamforming_result_path = "/tmp/beamforming_result.flac"
-		cwd = os.getcwd()
-		print("Running from " + cwd)
-		os.system(matrix_demos_dir + "micarray_recorder")
-		print("Voice recording complete")
-		os.system("sox -r 16000 -c 1 -e signed -b 16 " + cwd + "/mic_16000_s16le_channel_8.raw /tmp/channel_8.wav")
-		os.system("flac -f -s /tmp/channel_8.wav -o /tmp/beamforming_result.flac")
-		print("Conversion from raw to flac complete")
-		#wsk_transcribe_audio("/tmp/beamforming_result.flac")
+                matrix_demos_dir = "/home/pi/matrix-creator-hal/build/demos/"
+                beamforming_result_path = "/tmp/beamforming_result.flac"
+                cwd = os.getcwd()
+                print("Running from " + cwd)
+                os.system(matrix_demos_dir + "micarray_recorder")
+                print("Voice recording complete")
+                os.system("sox -r 16000 -c 1 -e signed -b 16 " + cwd + "/mic_16000_s16le_channel_8.raw /tmp/channel_8.wav")
+                os.system("flac -f -s /tmp/channel_8.wav -o /tmp/beamforming_result.flac")
+                print("Conversion from raw to flac complete")
+                #wsk_transcribe_audio("/tmp/beamforming_result.flac")
         logger.debug("finished.")
 
     def terminate(self):
@@ -199,4 +200,3 @@ def terminate(self):
         """
         self.recording = False
         self.record_thread.join()
-
diff --git a/examples/Python3/demo4.py b/examples/Python3/demo4.py
index dc52119e..11ea8b2f 100644
--- a/examples/Python3/demo4.py
+++ b/examples/Python3/demo4.py
@@ -1,3 +1,5 @@
+from __future__ import print_function
+
 import snowboydecoder
 import sys
 import signal
@@ -69,7 +71,3 @@ def interrupt_callback():
                sleep_time=0.01)
 
 detector.terminate()
-
-
-
-
diff --git a/examples/REST_API/training_service.py b/examples/REST_API/training_service.py
index 0e842fff..314d0009 100644
--- a/examples/REST_API/training_service.py
+++ b/examples/REST_API/training_service.py
@@ -25,7 +25,7 @@ def get_wave(fname):
     try:
         [_, wav1, wav2, wav3, out] = sys.argv
     except ValueError:
-        print "Usage: %s wave_file1 wave_file2 wave_file3 out_model_name" % sys.argv[0]
+        print("Usage: %s wave_file1 wave_file2 wave_file3 out_model_name" % sys.argv[0])
         sys.exit()
 
     data = {
@@ -46,7 +46,7 @@ def get_wave(fname):
     if response.ok:
         with open(out, "w") as outfile:
             outfile.write(response.content)
-        print "Saved model to '%s'." % out
+        print("Saved model to '%s'." % out)
     else:
-        print "Request failed."
-        print response.text
+        print("Request failed.")
+        print(response.text)