def get_transcript_long(content: bytes = None, audio_path: str = None):
"""
Gets transcript of long audio file asynchonously.
Args:
content (bytes): Content of audio file as bytes.
audio_path (str): Path or uri to audio file.
Returns:
object: Processed audio file for speech-to-text.
"""
if content is None and audio_path is None:
raise ValueError('At least one parameter cannot be None.')
audio = speech.RecognitionAudio(uri=audio_path) if content is None else speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.FLAC,
sample_rate_hertz=16000,
language_code="en-US",
)
operation = client.long_running_recognize(config=config, audio=audio)
print("Waiting for operation to complete...")
response = operation.result(timeout=90)
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
for result in response.results:
# The first alternative is the most likely one for this portion.
print(u"Transcript: {}".format(result.alternatives[0].transcript))
print("Confidence: {}".format(result.alternatives[0].confidence))
return response
def get_transcript(content: bytes = None, audio_path: str = None):
"""
Gets transcript of audio file.
Args:
content (bytes): Content of audio file as bytes.
audio_path (str): Path or uri to audio file.
Returns:
object: Processed audio file for speech-to-text.
"""
if content is None and audio_path is None:
raise ValueError("At least one parameter cannot be None.")
audio = (
speech.RecognitionAudio(uri=audio_path)
if content is None
else speech.RecognitionAudio(content=content)
)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=16000,
language_code="en-US",
)
# Detects speech in the audio file
response = client.recognize(config=config, audio=audio)
for result in response.results:
print(f"Transcript: {result.alternatives[0].transcript}")
return response
def transcribe_gcs(gcs_uri):
"""Asynchronously transcribes the audio file specified by the gcs_uri."""
from google.cloud import speech
client = speech.SpeechClient()
audio = speech.RecognitionAudio(uri=gcs_uri)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.FLAC,
sample_rate_hertz=44100,
audio_channel_count=2,
language_code="ja-JP",
)
operation = client.long_running_recognize(config=config, audio=audio)
print("Waiting for operation to complete...")
response = operation.result(timeout=300)
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
for result in response.results:
# The first alternative is the most likely one for this portion.
print(u"Transcript: {}".format(result.alternatives[0].transcript))
print("Confidence: {}".format(result.alternatives[0].confidence))
def transcribe_file(speech_file):
"""Transcribe the given audio file."""
from google.cloud import speech
import io
client = speech.SpeechClient()
# [START speech_python_migration_sync_request]
# [START speech_python_migration_config]
with io.open(speech_file, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.FLAC,
sample_rate_hertz=44100,
language_code="en-GB",
audio_channel_count=2,
)
# [END speech_python_migration_config]
# [START speech_python_migration_sync_response]
response = client.recognize(config=config, audio=audio)
# [END speech_python_migration_sync_request]
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
for result in response.results:
# The first alternative is the most likely one for this portion.
print(u"Transcript: {}".format(result.alternatives[0].transcript))
def speech_to_text(gcs_uri):
# Instantiates a client
client = speech.SpeechClient()
# The name of the audio file to transcribe
#gcs_uri = "gs://cloud-samples-data/speech/brooklyn_bridge.raw"
audio = speech.RecognitionAudio(uri=gcs_uri)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=16000,
language_code="en-US",
)
# Detects speech in the audio file
response = client.recognize(config=config, audio=audio)
text_all = ""
for result in response.results:
text_all += result.alternatives[0].transcript
print("Transcript: {}".format(result.alternatives[0].transcript))
print(text_all)
#text_response = (response.results.alternatives[0].transcript)
#print(text_response)
return(text_all)
def speechToText(extention):
# Instantiates a client
client = speech.SpeechClient()
# The name of the audio file to transcribe
file_name = os.path.join(os.path.dirname(__file__), "resources", "exemple."+extention)
# Loads the audio into memory
with io.open(file_name, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=16000,
language_code="en-US",
)
# Detects speech in the audio file
response = client.recognize(config=config, audio=audio)
for result in response.results:
resultat = "{}".format(result.alternatives[0].transcript)
return resultat
def generate_transcript(language_code="ro-RO"):
# Creates google client
client = speech.SpeechClient()
# Full path of the audio file, Replace with your file name
file_name = os.path.join(os.path.dirname(__file__), "cache/recording.wav")
wav_file = wave.Wave_read(file_name)
ch = wav_file.getnchannels()
#Loads the audio file into memory
with io.open(file_name, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
audio_channel_count=ch,
language_code=language_code,
)
# Sends the request to google to transcribe the audio
response = client.recognize(request={"config": config, "audio": audio})
return response
def transcribe_file(speech_file):
# """Transcribe the given audio file asynchronously."""
print("Before Imports")
from google.cloud import speech
client = speech.SpeechClient()
with io.open(speech_file, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=16000,
language_code="en-US",
)
# [START speech_python_migration_async_response
operation = client.long_running_recognize(request={
"config": config,
"audio": audio
})
operation = client.long_running_recognize(config=config, audio=audio)
print("Waiting for operation to complete...")
response = operation.result(timeout=90)
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
for result in response.results:
# The first alternative is the most likely one for this portion.
print(u"Transcript: {}".format(result.alternatives[0].transcript))
print("Confidence: {}".format(result.alternatives[0].confidence))
def transcribe_file(speech_file):
"""Transcribe the given audio file."""
client = speech.SpeechClient()
# with io.open(speech_file, "rb") as audio_file:
# content = audio_file.read()
# languages = ["en-US", "ru-RU", "uk-UA"]
audio = speech.RecognitionAudio(content=speech_file.read())
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.
ENCODING_UNSPECIFIED, # for .mp3 format
sample_rate_hertz=16000,
language_code="uk-UA",
)
response = client.recognize(config=config, audio=audio)
if response:
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
for result in response.results:
# The first alternative is the most likely one for this portion.
logger.info(u"Transcript: {}".format(
result.alternatives[0].transcript))
return response.results[0].alternatives[0].transcript
def run(self, file_name='default'):
client = speech.SpeechClient()
file_names = file_name
ip = file_name.split('_')[0]
file_name = os.path.join(os.path.dirname(__file__), "payload",
file_name)
# Loads the audio into memory
with io.open(file_name, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.MULAW,
sample_rate_hertz=8000,
audio_channel_count=1,
language_code="ko-KR",
enable_automatic_punctuation=True)
# Detects speech in the audio file
response = client.recognize(config=config, audio=audio)
text = ""
for idx, result in enumerate(response.results):
alternative = result.alternatives[0]
print("-" * 20)
print("Transcript: {}".format(alternative.transcript))
text += alternative.transcript
# [END speech_quickstart]
return ip, text
def transcribe_file(speech_file):
"""Transcribe the given audio file."""
from google.cloud import speech
import io
client = speech.SpeechClient()
with io.open(speech_file, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.FLAC,
# sample_rate_hertz=16000,
language_code="en-US",
audio_channel_count=2)
response = client.recognize(config=config, audio=audio)
transcription = []
# print(response)
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
for result in response.results:
# The first alternative is the most likely one for this portion.
print(u"Transcript: {}".format(result.alternatives[0].transcript))
transcription.append(result.alternatives[0].transcript)
return transcription
# transcribe_file("recording/509648114_data/1-ColorfulPockets_0617.ogg")
def transcribe_file_with_multichannel(speech_file):
"""Transcribe the given audio file synchronously with
multi channel."""
# [START speech_transcribe_multichannel]
from google.cloud import speech
client = speech.SpeechClient()
with open(speech_file, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=44100,
language_code="en-US",
audio_channel_count=2,
enable_separate_recognition_per_channel=True,
)
response = client.recognize(request={"config": config, "audio": audio})
for i, result in enumerate(response.results):
alternative = result.alternatives[0]
print("-" * 20)
print("First alternative of result {}".format(i))
print(u"Transcript: {}".format(alternative.transcript))
print(u"Channel Tag: {}".format(result.channel_tag))
def stt(request):
credential_path = '..//sa-spoiler-4897b3e764af.json'
os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = credential_path
f = open("chatbot/file.ogg", 'wb')
f.write(request.body)
f.close()
with io.open("chatbot/file.ogg", "rb") as audio_file:
content = audio_file.read()
try:
client = speech.SpeechClient()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.OGG_OPUS,
sample_rate_hertz=48000,
language_code="ko-KR",
)
response = client.recognize(config=config, audio=audio)
stringList = []
for result in response.results:
stringList.append(result.alternatives[0].transcript)
resultStr = ''.join(stringList)
except DefaultCredentialsError:
logging.warning('DefaultCredentaials error. check api key')
resultStr = "stt 오류입니다. 관리자에게 문의하세요 (DefaultCredentalsError)"
else:
resultStr = "undefined error. 관리자에게 문의하세요"
finally:
return HttpResponse(resultStr)
def __call__(self, data):
try:
for _ in range(self.retries):
audio = speech.RecognitionAudio(content=data)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.
ENCODING_UNSPECIFIED,
sample_rate_hertz=self.rate,
language_code=self.language,
model=self.model,
)
response = self.client.recognize(config=config, audio=audio)
# return
for result in response.results:
try:
return result.alternatives[0].transcript
except IndexError:
# no result
continue
except JSONDecodeError:
continue
except KeyboardInterrupt:
return None
def sync_recognize_with_multi_region_gcs():
# [START speech_multi_region]
# Imports the Google Cloud client library
from google.cloud import speech
from google.api_core import client_options
# Instantiates a client
# [START speech_multi_region_client]
# Pass an additional argument, ClientOptions, to specify the new endpoint.
client_options = client_options.ClientOptions(
api_endpoint="eu-speech.googleapis.com")
client = speech.SpeechClient(client_options=client_options)
# [END speech_multi_region_client]
# The name of the audio file to transcribe
gcs_uri = "gs://cloud-samples-data/speech/brooklyn_bridge.raw"
audio = speech.RecognitionAudio(uri=gcs_uri)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=16000,
language_code="en-US",
)
# Detects speech in the audio file
response = client.recognize(config=config, audio=audio)
for result in response.results:
print("Transcript: {}".format(result.alternatives[0].transcript))
def transcribe_file(content, channels=2):
"""
Transcribe the given audio file.
"""
audio = speech.RecognitionAudio(content=content.read())
config = speech.RecognitionConfig(
language_code="en-US",
enable_word_time_offsets=True,
enable_automatic_punctuation=True,
# sample_rate_hertz=sample_rate,
audio_channel_count=channels)
response = client.recognize(request={"config": config, "audio": audio})
res = []
for result in response.results:
alternative = result.alternatives[0]
transcript = alternative.transcript
confidence = alternative.confidence
words = []
for word_info in alternative.words:
word = word_info.word
start = word_info.start_time.total_seconds()
end = word_info.end_time.total_seconds()
words.append(SpeechWord(word, start, end))
res.append(SpeechParagraph(transcript, confidence, words))
return res
def transcribe(self):
# Full path of the audio file, Replace with your file name
file_name = "data/recording.wav"
#Loads the audio file into memory
with io.open(file_name, "rb") as file:
content = file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
audio_channel_count=2,
language_code="en-US",
sample_rate_hertz=16000,
)
# Sends the request to google to transcribe the audio
response = self.client.recognize(request={
"config": config,
"audio": audio
})
self.numChars = 20
self.calcLines()
self.generateResults()
return self.results, self.numLines
def transcribe_context_classes(storage_uri):
"""Provides "hints" to the speech recognizer to
favor specific classes of words in the results."""
# [START speech_context_classes]
from google.cloud import speech
client = speech.SpeechClient()
# storage_uri = 'gs://YOUR_BUCKET_ID/path/to/your/file.wav'
audio = speech.RecognitionAudio(uri=storage_uri)
# SpeechContext: to configure your speech_context see:
# https://cloud.google.com/speech-to-text/docs/reference/rpc/google.cloud.speech.v1#speechcontext
# Full list of supported phrases (class tokens) here:
# https://cloud.google.com/speech-to-text/docs/class-tokens
speech_context = speech.SpeechContext(phrases=['$TIME'])
# RecognitionConfig: to configure your encoding and sample_rate_hertz, see:
# https://cloud.google.com/speech-to-text/docs/reference/rpc/google.cloud.speech.v1#recognitionconfig
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=8000,
language_code="en-US",
speech_contexts=[speech_context],
)
response = client.recognize(config=config, audio=audio)
for i, result in enumerate(response.results):
alternative = result.alternatives[0]
print("-" * 20)
print("First alternative of result {}".format(i))
print("Transcript: {}".format(alternative.transcript))
def transcribe_file_with_auto_punctuation(path):
"""Transcribe the given audio file with auto punctuation enabled."""
# [START speech_transcribe_auto_punctuation]
from google.cloud import speech
client = speech.SpeechClient()
# path = 'resources/commercial_mono.wav'
with io.open(path, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=8000,
language_code="en-US",
# Enable automatic punctuation
enable_automatic_punctuation=True,
)
response = client.recognize(request={"config": config, "audio": audio})
for i, result in enumerate(response.results):
alternative = result.alternatives[0]
print("-" * 20)
print("First alternative of result {}".format(i))
print("Transcript: {}".format(alternative.transcript))
def transcribe_gcs_with_multichannel(gcs_uri):
"""Transcribe the given audio file on GCS with
multi channel."""
# [START speech_transcribe_multichannel_gcs]
from google.cloud import speech
client = speech.SpeechClient()
audio = speech.RecognitionAudio(uri=gcs_uri)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=44100,
language_code="en-US",
audio_channel_count=2,
enable_separate_recognition_per_channel=True,
)
response = client.recognize(config=config, audio=audio)
for i, result in enumerate(response.results):
alternative = result.alternatives[0]
print("-" * 20)
print("First alternative of result {}".format(i))
print(u"Transcript: {}".format(alternative.transcript))
print(u"Channel Tag: {}".format(result.channel_tag))
def run_quickstart():
# [START speech_quickstart]
import io
import os
# Imports the Google Cloud client library
# [START migration_import]
from google.cloud import speech
# [END migration_import]
# Instantiates a client
# [START migration_client]
client = speech.SpeechClient()
# [END migration_client]
# The name of the audio file to transcribe
file_name = os.path.join(
os.path.dirname(__file__),
'kor_audio.wav')
# Loads the audio into memory
with io.open(file_name, 'rb') as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=44100,
audio_channel_count=2,
language_code='ko-KR')
# Detects speech in the audio file
response = client.recognize(config=config, audio=audio)
for result in response.results:
print('Transcript: {}'.format(result.alternatives[0].transcript))
async def speech2text(content: bytes,
language_code: str = 'ru-RU',
channels: int = 1,
rate: int = 16000,
encoding: str = 'LINEAR16') -> str:
global CLIENT
hash_file: str = hashlib.sha512(content).hexdigest()
cache_key: str = f'speech2text_{hash_file}_{language_code}_{channels}_{rate}_{encoding}'
cached_response: str = await redis.get(key=cache_key)
if cached_response:
return cached_response
audio = speech.RecognitionAudio(content=content)
try:
encoding = speech.RecognitionConfig.AudioEncoding[encoding.upper()]
except KeyError:
raise
config = speech.RecognitionConfig(
encoding=encoding,
sample_rate_hertz=rate,
language_code=language_code,
audio_channel_count=channels,
)
response = await CLIENT.recognize(config=config, audio=audio)
await redis.setex(key=cache_key,
timeout=TTL_CACHE,
value=response.results[0].alternatives[0].transcript)
return response.results[0].alternatives[0].transcript
def run_quickstart():
# [START speech_quickstart]
# Imports the Google Cloud client library
# [START speech_python_migration_imports]
from google.cloud import speech
# [END speech_python_migration_imports]
# Instantiates a client
# [START speech_python_migration_client]
client = speech.SpeechClient()
# [END speech_python_migration_client]
# The name of the audio file to transcribe
gcs_uri = "gs://cloud-samples-data/speech/brooklyn_bridge.raw"
audio = speech.RecognitionAudio(uri=gcs_uri)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=16000,
language_code="en-US",
)
# Detects speech in the audio file
response = client.recognize(config=config, audio=audio)
for result in response.results:
print("Transcript: {}".format(result.alternatives[0].transcript))
def submit_speech_api_request(file: bytes, language_code: str) -> dict:
"""
Function to submit a speech-to-text API request.
:return: transcripts extracted from the speech file, in json format
"""
# FUTURE: Avoid scoping lifetime of the client to function?
client = speech.SpeechClient()
# Source: https://cloud.google.com/speech-to-text/docs/sync-recognize
# Did not dig into all the API options, as the assignment
# was to develop a small wrapper around the actual Speech-to-Text API.
audio = speech.RecognitionAudio(content=file)
# TODO Extract 'audio_channel_count' from the input file itself
# https://stackoverflow.com/questions/47905083/how-to-check-number-of-channels-in-my-audio-wav-file-using-ffmpeg-command
config = speech.RecognitionConfig(audio_channel_count=2, language_code=language_code)
response = client.recognize(config=config, audio=audio)
# FUTURE: Additional error handling may be appropriate.
# Format JSON output
return {
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
# The first alternative is the most likely one for this portion.
#
# FUTURE: Check if alternatives[0] always exists
"transcripts": [f"{result.alternatives[0].transcript}" for result in response.results]
}
def transcribe_file(speech_file):
"""Transcribe the given audio file."""
from google.cloud import speech
import os
import io
client = speech.SpeechClient()
with io.open(speech_file, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=48000,
language_code="en-US",
enable_automatic_punctuation = True,
)
response = client.recognize(config=config, audio=audio)
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
v = ""
for result in response.results:
# The first alternative is the most likely one for this portion.
print(u"Transcript: {}".format(result.alternatives[0].transcript))
v += result.alternatives[0].transcript
return v
def transcribe_file():
from google.cloud import speech
import io
client = speech.SpeechClient()
with io.open('proken.wav', 'rb') as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=44100,
language_code='ja-JP',
#audio_channel_count=2,
enable_separate_recognition_per_channel=True
)
operation = client.long_running_recognize(
request={"config": config, "audio": audio}
)
operation = client.long_running_recognize(config=config, audio=audio)
response = operation.result(timeout=90)
with io.open("proken.txt", "w", encoding="utf-8") as f:
for result in response.results:
f.write(u'{}'.format(result.alternatives[0].transcript))
def __init__(self):
# Instantiates a client
client = speech.SpeechClient()
# The name of the audio file to transcribe
gcs_uri = "gs://gradclip1-audio/small.flac"
audio = speech.RecognitionAudio(uri=gcs_uri)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.FLAC,
language_code="en-AU",
audio_channel_count = 2,
enable_word_time_offsets = True
)
# Detects speech in the audio file
operation = client.long_running_recognize(config=config, audio=audio)
print("Waiting for operation to complete...")
response = operation.result(timeout=9000)
for result in response.results:
for word in result.alternatives[0].words:
start_time = word.start_time.microseconds
end_time = word.end_time.microseconds
def transcribe_gcs(gcs_uri):
"""Asynchronously transcribes the audio file specified by the gcs_uri."""
client = speech.SpeechClient()
audio = speech.RecognitionAudio(uri=gcs_uri)
config = speech.RecognitionConfig(
# encoding=speech.RecognitionConfig.AudioEncoding.ENCODING_UNSPECIFIED,
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=44100,
language_code="en-US",
enable_automatic_punctuation=True,
)
operation = client.long_running_recognize(config=config, audio=audio)
print("Waiting for operation to complete...")
response = operation.result(timeout=100000)
# Each result is for a consecutive portion of the audio. Iterate through
# them to get the transcripts for the entire audio file.
transcript = ""
for result in response.results:
# The first alternative is the most likely one for this portion.
print(u"Transcript: {}".format(result.alternatives[0].transcript))
transcript += " " + result.alternatives[0].transcript
print("Confidence: {}".format(result.alternatives[0].confidence))
return transcript
def transcribe_audio(speech_file):
retval = ""
try:
transcription_client = speech.SpeechClient.from_service_account_file(
my_credentials_file_path)
except:
logger.info("Not using Google speech to text as credz file not at : " +
my_credentials_file_path)
return ""
with io.open(speech_file, "rb") as audio_file:
content = audio_file.read()
audio = speech.RecognitionAudio(content=content)
config = speech.RecognitionConfig(
encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
sample_rate_hertz=8000,
language_code="en-GB",
)
response = transcription_client.recognize(config=config, audio=audio)
for result in response.results:
retval = result.alternatives[0].transcript
return retval
def get_transcript(uri):
"""
Get transcript for a audio WAVE file stored in GCS bucket
@param: uri - File location in the google cloud storage bucket
"""
# create speech client
client = speech.SpeechClient()
# actual audio file to recognize
audio = speech.RecognitionAudio(uri=uri)
# recognition config
config = speech.RecognitionConfig(language_code="en-US")
# execute the recognition API
operation = client.long_running_recognize(config=config, audio=audio)
print("Waiting for operation to complete...")
# wait for 90 seconds max
response = operation.result(timeout=90)
confidence = []
transcript = ""
for result in response.results:
# The first alternative is the most likely one for this portion.
confidence.append(result.alternatives[0].confidence)
transcript = transcript + result.alternatives[0].transcript
confidence = sum(confidence) / len(confidence)
return transcript, confidence
