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api_internal/ai/tts/easy_tts.py
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"""
AUTHOR:
Khushal P Soonderji
DATE:
Thursday, 26th Sept., 2024
OBJECTIVE:
To provide a fast way to make audio from TTS engines.
REFERENCES:
01. Usage: https://github.com/myshell-ai/MeloTTS/blob/main/docs/install.md#python-api
02. Installation: https://github.com/myshell-ai/MeloTTS/blob/main/docs/install.md#linux-and-macos-install
DOWNLOADS:
N/A
"""
# *****************************************************************************************************************
# ***** ****
# *** IMPORT ***
# ***** ****
# *****************************************************************************************************************
# To make sibling directories accessible for imports:
import sys
sys.path.append(".")
sys.path.append("..")
# System-level activities:
import io
# To use the AI:
from melo.api import TTS
import numpy as np
import soundfile
# *****************************************************************************************************************
# ***** ****
# *** MACROS / ONE-TIME INIT ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** VARIABLES ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** CLASSES ***
# ***** ****
# *****************************************************************************************************************
class EasyTTS:
__sampling_rate = 44_100
def __init__(
self,
language = "EN",
speed = 1.0
):
self.__audio = np.zeros(1)
self.__language = language
self.__speed = speed
self.__model = TTS(language = language, device = "auto")
self.__speakers = self.__model.hps.data.spk2id
def list_speakers(self):
return list(self.__speakers.keys())
def speak(
self,
text,
speaker
):
this_audio = self.__model.tts_to_file(
text,
self.__speakers[speaker],
speed = self.__speed,
quiet = True
)
self.__audio = np.concatenate((self.__audio, this_audio))
def pause(self, seconds):
self.__audio = np.concatenate((
self.__audio,
np.zeros(int(self.__sampling_rate * seconds))
))
def to_wav(self, path = None):
if path is None:
audio_buffer = io.BytesIO()
soundfile.write(audio_buffer, self.__audio, self.__sampling_rate)
return audio_buffer
else: soundfile.write(path, self.__audio, self.__sampling_rate)
# *****************************************************************************************************************
# ***** ****
# *** MAIN PROGRAM ***
# ***** ****
# *****************************************************************************************************************
if __name__ == "__main__":
speaker = "EN-BR"
tts_maker = EasyTTS(language = "EN", speed = 0.9)
tts_maker.speak(
text = """
Imagine delighting your doctors with a personalized calendar,
crafted from their own cherished memories.
""",
speaker = speaker
)
tts_maker.pause(seconds = 0.3)
tts_maker.speak(
text = """
Every day, as they turn the page,
theyll not only relive those special moments but also remember you,
the one who made it happen.
""",
speaker = speaker
)
tts_maker.pause(seconds = 0.75)
tts_maker.speak(
text = "STEP 1:",
speaker = speaker
)
tts_maker.pause(seconds = 0.3)
tts_maker.speak(
text = "Start by identifying the doctors youd like to engage with, and add them to our app.",
speaker = speaker
)
tts_maker.pause(seconds = 0.3)
tts_maker.speak(
text = "No rush, you can add their photographs later as well.",
speaker = speaker
)
tts_maker.pause(seconds = 0.3)
tts_maker.speak(
text = "With this, your engagement funnel is created.",
speaker = speaker
)
tts_maker.to_wav(r"/home/developer/Downloads/voiceover.wav")