Python record and play audio simultaneously

 

With PyAudio, you can easily use Python to play and record audio on a variety of platforms, such as GNU/Linux, Microsoft Windows, and Apple macOS. plot_audio(dJoined) class Jurgenmeister: """ Methods to play as many sounds on command as necessary Named in honour of op, and its as good a name as I can come up with myself. REC_SECONDS = 5. To record or play audio, open a stream on the desired device with the desired audio parameters using pyaudio. paInt16. This means the first attempt may be slow to play due to the time spent downloading the file from your remote server. Prasun Chakaborty. In my experiment, subjects hear an auditory sequence of short sinusoidal tones (beep), and they have to give synchronized responses, either manual or vocal. To clarify I listen to the file being played through headphones while recording so the interference I presume is from input and output through soundcard. from scipy. This sets up a pyaudio. You can however, change the value in the arecord command to increase the duration of the clip. Feb 11, 2020 · Pythonでサウンドを扱う. Play audio by writing audio data to the stream using pyaudio. You should create a sd. Using a DAW I can simultaneously play audio into my interface and record the output. Stream and implement a callback function that does the recording and playback logic. while True: data = stream. wav". avi; I am referring following code. x; and is distributed with PyPy 2. sleep(1. mp3 ,Now you are set to go add that audio file to the video file and save to path. Aug 21, 2022 · Play and Record Sound with Python §. Write your recorded audio to a file. Hi all. 5) EDIT: I have moved the thread declaration into the loop. This outputs a demonic sound: import pyaudio. With PyAudio, you can easily use Python to play and record audio on a variety of platforms. ) and an 18 input channel ASIO device. SND_ASYNC | winsound. オーディオ再生するライブラリの一例 Sep 2, 2019 · I have to record 3 microphones simultaneously with as little delay between them as possible. Which might not be your microphone. library, run the following pip command on your terminal or command prompt: pip install sounddevice. Dec 21, 2017 · Hi guys I am stuck at this point. When MIDDLE MOUSE is pressed, I will stop recording and save it to a file. Dec 1, 2014 · But I'm looking for record voice for 5 seconds and then play it. Play and Record Sound with Python. I can play my recording using the file later. pip install librosa. rec(): duration = 10. wav') Whatever wav file you want to play, just make sure it's in the same directory as your Python script. Here is a code for recording from one source: CHUNK = 1024. py , so the directory looks like this: 1. record, daemon=True) record_thread. play function is not an option. Thread(target=playsound, args=('ss. The package uses miniaudio for awesome cross-platform, dependency-free asynchronous audio playback that May 30, 2020 · This will record a short audio clip that is 5 seconds long. Documentation: https://python-sounddevice. Can anyone help me how to do that? Suppose I want to play simultaneously. Oct 13, 2023 · This Python module provides bindings for the PortAudio library and a few convenience functions to play and record NumPy arrays containing audio signals. stop() to stop recording and then . start() Apr 27, 2019 · The sound will play in a different thread and will not halt the execution. data = stream. PyAudio. Import play from the pydub. I am working on a project to playback and record audio at the same time via Python. Couldn't find a lead on how to do this. What python library is able to do that? Purpose. answered Aug 12, 2020 at 3:58. To do this, in the terminal type: aplay --format=S16_LE --rate=16000 sample. Feb 19, 2024 · By the end of this tutorial, you will be able to play and record sound files, as well as work with NumPy and Python arrays containing sound. open(format=FORMAT, channels=1, rate=RATE, input=True, output=True, frames_per_buffer=CHUNK_SIZE) Apr 8, 2014 · As I'm intending to import this rendered output into a DAW, I need the output to be perfectly synced with the input audio. Some sound cards provide a "loopback device". Bernhard Hiller. Feb 19, 2016 · To install: python -m pip install pyaudio. record() and . I'm trying to record some sound with RPI using python and pyaudio library and facing a few interesting issues - junky console output when attempting to use pyaudio and lots of noise mixing into the recording. Aug 24, 2023 · 3. I took two different audio files to check/illustrate that 2nd audio segment starts after first one is done halfway. 12. while True: time. 7, 3. Unless you characterize those latencies, which are not consistent from boot to boot or even minute to minute, you'll have no idea if a 5ms offset on your Jul 24, 2013 · It is always recording. def play1(): while time. import librosa. There is no single library/solution in python to do video/audio recording simultaneously. In this course, you’ll learn about libraries that can be used for playing and recording sound in Python, such as PyAudio and python-sounddevice. I think this can be optimized, but this solution works fine for me, hoping it helps :) import numpy as np. just_playback. About your question: you can use pyaudio It is: PyAudio provides Python bindings for PortAudio, the cross-platform audio I/O library. First I tried simply putting the input data into the output stream. To record audio and video simultaniously using Python. Once recording, keep calling . SND_FILENAME) sleep(3) In this example (assuming sound. I'm trying to create a guitar amp simulator. And you can always change it to Python buffers once it is working with NumPy arrays! Jan 31, 2019 · 1. Here is an example taken from pyaudio site which takes audio from microphone for 5 seconds duration then stores audio as stream object and plays back immediately . sleep(30) will let it run for 30 seconds, or you could do: with OverlappedRecorder(12, 6) as rec: rec. wav", winsound. io/. My code are as seen below: Code: Select all. play bt2. It plays very well for single avi file. #open your audio stream. Take Hint (-30 XP) IPython Shell. import struct. ndarray as you normally would with librosa. It is perfectly synced in the DAW when I do this. seconds = 5 # Duration of recording. play (), you can simply specify the desired device with each call. These solutions are cross platform (Windows, Mac, Linux). Mar 1, 2022 · Thanks for watching the vid! Detailed blog & Github Repo for this vid:Blog: https://talaexe. You’ll also see code snippets for playing and recording sound files and arrays, as well as for converting between different sound file formats. You should have a look at the examples. The sounddevice module is available for Linux, macOS and Windows. class AudioHandler(object): def __init__(self): self. mixer. There are several modules that can play a sound file (. I can record from any of the stereo devices without Play sound on Python is easy. [Python 3. read () Here are some outputs from: import matplotlib. Play the audio signal to your device and simultaneously record audio from your device. Recording example, from the official website: PyAudio example: Record a few seconds of audio and save it to a WAVE file. The audio file should be in the same directory as your python program, unless you May 23, 2017 · oJ. Here is what I'm doing in my python script: import pyaudio, wave, utils. """. py! Incidentally, this one uses Python buffers. For example, the following code should record for one millisecond, wait a millisecond, and then playback the one millisecond of audio: duration = 0. answered Sep 2, 2016 at 19:39. playrec(): myrecording = sd. 4] I’m wondering if it is possible to use Psychopy to record and play sounds simultaneously, in a non-blocking fashion. avi; fourth. time() pass threading. default. Nov 27, 2020 · These were the only ones which made any sound at all (albeit a demonic one). 11 2. play_array(dResSound2) oJ. My code so far: May 23, 2017 · THRESHOLD = 0. 2 seconds. Here's an working example. play(noise, blocking=True) To record the other waveform, I am using the picoscope library: Feb 15, 2021 · The issue is that the Python file doesn't seem to detect when the Kivy button is released (when its state is changed from 'down' to 'normal'). frames = [] self. This is my code for the generation of the sweep: Feb 26, 2020 · I've "written" the code bellow (I took bits from the web basically :) ) to record the input signal from an external source using a mic that is connected to my sound-card while simultaneously plotting the time signal in real-time. 1. listen() -> nothing is being said. And of course, the while loop should continue to run while the play is running. play_array(dJoined) #see what the waveform looks like oJ. wav file until the person has stopped speaking / the signal is no longer there. sleep_while_active() to let it run until you hit Ctrl+C to kill the program, or you could put a call to input() in there to make it stop when you press enter, or whatever else you like. The main difference is in the ease of use and supported file formats. rec(int(duration * fs), samplerate=fs, channels=2) Again, for repeated use you can set defaults using sounddevice. This will then allow me to calculate the TDOA of sound between the microphones, so that I can pinpoint the source location. A small library for playing audio files in python. In this case, each chunk contains 1024 Mar 27, 2020 · I managed to record the microphone voice with sounddevice module, but that's not what I want, I need to record both microphone and computer sound which is the other voice. frame_length is the number of audio samples you wish to receive at each read. PyAudio() [p. rec(int(duration * fs), samplerate=fs, channels=16) I can get my miniDSP to record 16-channels of audio for 5 secs. I believe that I should make an OutputStream for each file. Thread(target=playAud Jan 30, 2020 · bt1. Apr 20, 2017 · Record and play audio - python. I am having trouble getting pyaudio play and record at the same time. read() in a loop to receive audio. time () pass threading. Here is my audio record code: p = pyaudio. I was not able to find how to do this using PyAudio. Use the optional nUnderruns and nOverruns output arguments to track any loss of synchronization. Play the recording. 6. This basically means that we can use Pyaudio to record and play sound across all platforms and Operating systems such as windows, Mac and Linux. I don't know what requirements playsound has for the thread it runs on, but the simplest and easiest thing to do is probably just to spawn off a thread to play the sound: threading. Sep 5, 2022 · This function records audio from the user selected input device and plots its waveform with matplotlib. Wait for the previous play to finish and only then play it again and so on, until the while loop is running. May 11, 2019 · If I try sounddevice. Pythonでサウンドを扱う方法がいろいろあってよくわからなかったので、ざっくりまとめ. Be sure to download and install the pyaudio library before trying any of the commands and functions May 26, 2022 · Learn how to work with audio files in Python in this Python Audio Processing Tutorial. I added a question 2 days ago, but my description is overcomplicated. readthedocs. This Python module provides bindings for the PortAudio library and a few convenience functions to play and record NumPy arrays containing audio signals. PyAudio recording/capturing and stop/terminate in Python on Raspi. That code will produce two files one is . The PreSonus driver creates many stereo input audio devices (ex. 2 how to save a wav file that plays two tracks at the same time? at Nov 20, 2016 · 8. May 5, 2016 · After that, it's all handled through the pygame module's audio package. Also the pyaudio module used was from the fork Nov 26, 2019 · 11. Oct 10, 2021 · sleep(1) winsound. Similarly, if I do: duration = 5 sd. CFFI: The C Foreign Function Interface for Python is used to access the C-API of the PortAudio library from within Python. It records the speaker output, but the output is mixed with the microphone input. Pyaudio is a Python binding for PortAudio, a cross platform library for input and output of audio. On button press the prior two minutes and the following one minute will be saved, remaining recorded files from the buffer will be deleted. av = AVCapture () av. 001. This means that you will get the device that PyAudio considers the default. – hotpaw2. On windows you can install pyaudio as python -m pip install pyaudio. playrec - no such interference is heard. play_array(dSound1) oJ. sudo apt-get install python3-pip python3-numpy libportaudio2 libsndfile1 libffi-dev. play() with a small delay between within your while-loop. Then call . Sep 11, 2023 · I want to record mouse and keyboard simultaneously and replay them later. All of them should work with Python 3. Apr 18, 2022 · Recording sound with Python can be tricky. append(data) This code was taken from Stack Overflow. Stream to play or record audio. Aug 25, 2019 · play() and rec() are convenience functions for playing single NumPy arrays, for example in an interactive Python session. You can play and record simultaneously on iOS devices (except the 1st gen Touch) using either the Audio Unit RemoteIO or the Audio Queue API. # Returns playback devices, Boolean value determines whether they are Input or Output devices. And you're doing it for every note, which means that if you have a tune with 10 notes, it'll halt your program for 2 seconds. Little question: would it be the same to use: Solution 1: a global DATA = [], then in the audio callback: DATA. The best way to get the audio and samplerate you want is with the librosa module. Is there any sample code that can run audio alongside video in opencv. Using sounddevice. When you combine the two, you can choose either NumPy or Python buffers, it's up to you. I want to play four videos on my screen using opencv . My code are as seen below:import threadingimport timedef play1(): while time. uncheck "use only one instance when started from file manager". com/moderndayrecordplayerGithub Repo: https://github. append(data), then in the main loop sf1. Learn about:- mp3, wave, flac file- sampling rate- wave module Python- Jun 13, 2018 · Ideally, I need to get a cross-platform solution, how can I record audio through Python. To record audio data from your sound device into a NumPy array, use sounddevice. when_pressed = sound1. This allows for recording what is just being played. 3) Python Scipy library. Issue: Right click is not replayed, although it prints successfully . start () data = av. That's by design. that's what I did to record the microphone: import sounddevice as sd. More on overlay function here. g. CHANNELS = 1. 基本的にはこちらのサイト Playing and Recording Sound in Python を参考にした。 再生. 2), which will halt the execution for 0. To play audio on the Focusrite, I am using the sounddevice library: sounddevice. Dec 6, 2019 · And pydub also can play simple audio (that gives us concurrent playback) using pydub. Later I save the recorded signal into a WAV file. 5 can play audio with video. PyAudio() stream = p. Invoke . 2. mp4 and other is . My application requires recording from two microphones at different locations simultaneously, and then doing FFT on the two streams of data to obtain a result. wav is longer than a second), the sound will start playing, be interrupted after 1 second and start playing again. record() in your start method by: record_thread = threading. Currently, I'm able to record my microphone input and send this over to the 'listener'. This is the simple version: Nov 18, 2010 · Nov 18, 2010 at 13:55. Once the loop is completed, release the objects to free devices and resources. playback. I would like to be able to play a sinusoidal sweep and simultaneously record it. There are multiple code examples for it, you can Google it. playrec(myarray, fs, channels=2) The number of output channels is obtained from myarray, but the number of input channels still has to be specified. However, your loop contains time. device='headphone', if that's part of the device name). Jul 1, 2018 · And then the answers can be more relevant and informative. Twilio will cache files when HTTP headers allow it (via ETag and Last-Modified headers). I don't want to save it into file and then playing, it's not good for voice chat. Jan 4, 2019 · and this simultaneously plays 3 channels of output to my speakers and acquires 8 channels on my RME soundcard input. May 9, 2022 · I want to play audio with video in opencv. play_array(dResSound1) oJ. device = [48, 48] sd. CHUNK = 1024. To use PyAudio, first instantiate PyAudio using pyaudio. device=3) or a substring of the device name (e. Jun 22, 2020 · The goal is to play two sound files simultaneously so the sounddevice. mp3',), daemon=True). Sadly, the following code doesn't do anything. Keyboard input works fine but there are some issues with mouse input. audio_filename = "item_audio. Scipy is a scientific computing library for Python, and in this tutorial, we will be using this library to save or write the data generated by the. import time. To run these two functions simultaneously, I used the Threading function. I am guessing it's due to the Global Interpreter Lock (GIL) in python. I'm attempting to interface to a PreSonus AudioBox 1818VSL with PyAudio on Win7, but am having some trouble recording more than 2 channels (stereo) at a time. I am using opencv version 4. 3] [Debian 10] [Psychopy 3. sounddevice. What I'm trying to do now is create a loopback, so it will record the output from my speakers. avi; third. input=True, frames_per_buffer=CHUNK, input_host_api_specific_stream_info=SPEAKERS, as_loopback = True) #The part I have modified. To get the audio device list: from pygame import mixer, _sdl2 as devicer. sleep(0. Enter this in terminal if you don't have the librosa module. To do so, you can use the threading module for instance and replace self. default: sd. import threading. Jun 12, 2024 · To install the. FORMAT = pyaudio. Jul 25, 2019 · with rec: time. play(noise, blocking=True) To record the other waveform, I am using the picoscope library: Sep 27, 2020 · 0. PyAudio() (1), which acquires system resources for PortAudio. Oct 12, 2018 · 1. winsound. marcbaltes (Marc Baltes) February 24, 2020, 5:21pm 1. write() the data coming from the list. BUFFER_SIZE = 1024. Here's the Python code: def on_press(self): self. Homepage. play and sounddevice. chunk = 2048 # data is broken into chunks (buffers) of audio. FORMATIN = pyaudio. read(chunk) # check level against threshold, you'll have to write getLevel() if getLevel(data) > THRESHOLD: break. I want to be able to read audio as input, and simultaneously play it, like a real guitar amp. You have to implement both separately and merge the audio and video signal in a smart way to end up with a video/audio file. It comes with the ability to save backup recordings, define recording durations, and a command-line interface to customize various parameters. channels = 2. init() # Initialize the mixer, this will allow the next command to work. For example: begin: listen() -> nothing is being said. sleep(. SND_ALIAS) thread = Thread(target=play_sound) thread. com/talaexe/ Instructions. Twilio will attempt to cache the audio file the first time it is played. Also, if I do: Aug 11, 2021 · I have a program that calls a function that is supposed to play a sound immediately after invocation. _play_with_simpleaudio() which makes code easier. start() print ('ligma') time. Here is a working code to combine three audio files. Oct 17, 2012 · PyAudio provides Python bindings for PortAudio v19, the cross-platform audio I/O library. listen() -> VOICED - _BEGIN RECORDING_. start() daemon=True here starts the thread as a daemon thread, meaning that it won't block the program Check the full description to find both links for payment in inr at stripe or usd at paypal all links are there:Buy the full source code of the application a Aug 28, 2014 · I am trying to record a sound of say 20 seconds and would simultaneously like to listen to the ongoing recording (obviously there would be some delay involved). Jan 2, 2017 · Record and play audio - python. Right now, this code is written for a specific purpose & hardware (Raspberry Pi), but can easily be written for other uses. rec in different processes via multiprocessing , the playback affects the recorded audio. wavfile import write. 2 Python multithreading - play multiple sine waves simultaneously. Apr 17, 2018 · The audio signals from a sound device are not synchronized to the system clock, they have some built in latency, which is not exposed to calling applications, often not even to the OS itself. Following is the code : And there is even a second example that does the other part: play_long_file. Thread(target=self. This page from VLC wiki details how this can be done; in a nutshell: Windows: Tools > Preferences > Interface > playlist and instances: uncheck "Allow only one instance". Lesson 2: Playing Sound Feb 6, 2019 · 2. To do so I need Python threading, I believe. plot (data["audio"]) Colours are crazy because imshow expects RGB not BGR! BBC Radio 6 Music in Graphical Form. Stream. 6, 2. play I've looked at pyaudio libraries, but since I'm trying to have the sound play to the system while simultaneously recording it, I can't seem to find a way to do this. get_device_count())] Find the appropriate device and then pass the input_device_index I am trying to make a basic sonar ranging system out of python. samplerate = fs sd. To check if the recording has been saved successfully, we can now play it. FORMATOUT = pyaudio. I now want to record not only video but also audio simultaneously via usb soundcard. I have followed offical opencv video on youtube: link, but unable to run audio with opencv. Jan 3, 2013 · Answer: No. Dec 23, 2018 · voice recording using pyaudio. paFloat32. Here, it is explained that you can instantiate a pyaudio object and get a list of device ids at an interactive python prompt like this: import pyaudio. first. Moreover, you can break the total recording time into smaller recording durations. See Apple's aurioTouch sample app for example code. First, make sure your microphone is actually connected, on and not muted. wav). 1. I’m working on playing and recording audio simultaneously in PyAudio and I’ve gotten it to work but the audio that is being played back to the user is very choppy. Sometimes the duration inbetween the function calls is smaller than the duration of the sound itself, in which case i would like for the sounds to overlap. Please help. The second sleep is there to avoid the script ending before the sound stops (stopping the script stops Nice solutions with threading ( @HaHeho) and without ( @mgeier )! I never think about using a Queue, that's a good idea here. You are not providing a device index when opening the stream. 9. Jun 10, 2012 · Solution 1. import pyaudio. Oct 9, 2019 · sound. python3 -m pip install sounddevice soundfile. read(CHUNK) frames. Thread (target=playAud. I do not such a thing for video. wav May 11, 2019 · This then allows us to access audio and video data in a couple of lines. write (), or read audio data from the stream using pyaudio. p = pyaudio. 5 # seconds myrecording = sd. Feb 4, 2022 · Course Spotlight: Playing and Recording Sound in Python. I want my speakers to play a sound and and simultaneously record that sound with a microphone some distance away. start() to start the recording. My initial answer had it created outside of the loop Hi all. One of the possible ways is to to run multiple instances of VLC. You can either use the device ID (e. You need to play the sound on another thread, so your other code can be executing at the same time. Lesson 1: Playing and Recording Sound in Python (Overview) In this lesson, you will get an overview of the course and understand what you will be learning in the subsequent lessons. read () blocks until all the given/requested frames have been played/recorded. If you play() a second time, the first one is stopped. It supports CPython 2. import numpy as np. My code are as seen below:import threadingimport timedef play1 (): while time. # record for however long you want. PlaySound("sound. These are lower level APIs where you have to handle the incoming buffers of outgoing and incoming PCM samples yourself. I've tried both blocking and callback mode but nothing seems Sep 29, 2013 · Have the microphone "listen" for voiced (above a particular threshold) and then start recording to a . In this video, you'll learn about the libraries necessary to record sound in Python (PortAudio, PyAudio), and how Dec 4, 2021 · How can I play a sound asynchronously in a while loop, but don't overlap the sound. Call play() whilst passing it the wav_file AudioSegment. Posted 10-Jun-12 23:46pm. To play back an array and record at the same time, use sounddevice. PlaySound("dank", winsound. This utility is designed to record audio from multiple channels simultaneously using the PyAudio library. Ideally, in order that in this library I can either pause with the ability to listen to the recorded fragment and remove it from the audio recording, or record several audio files and after the program work, glue it into 1 audio file. Here is my current approach: Sep 2, 2014 · I can easily access the first two microphones using the following code: channels=18, rate=44100, input=True, frames_per_buffer=1024, output_device_index=1) data = stream. append(data) I have tried to execute that code for all the different input devices available with 18 input channels. 0 beta2 or later. I am writing a program in Python to play audio on a Focusrite Scarlett 6i6 while simultaneous recording another waveform on a Picoscope 2205AMSO. stereo channels 1&2, 3&4, etc. Nov 11, 2015 · I'm trying to record my speaker output with Python using PyAudio. 100 XP. pyaudio can be used to store audio as an stream object. delete() to release resources when done. According to {Reference link}, it seems that opencv-4. You can just simply record screen and as well as your voice in same script . There seems to always be some delay. So, I tried dividing my recording in slots of 5 seconds. Get. Jul 20, 2013 · I need to play 2 sounds simultaneously, with multiprocessing rather than threads, to see if it solves a problem where threads play the audio in sequence rather than in parallel. pyplot as plt plt. 7. open() (2). avi; second. Using overlay function of AudioSegment module, you can very easily superimpose multiple audio on to each other. get_device_info_by_index(i) for i in range(p. Here is an example of Play an audio file with PyDub: If you're working with audio files, chances are you want to listen to them. audio, sr = librosa. Using same concept you can combine multiple audio onto each other. Nov 10, 2017 · To prevent the GUI from freezing while recording, you need to launch the recording in a separate thread. import wave. Jul 13, 2016 · If you use sounddevice. io. Oct 1, 2023 · Recording and playing audio simultaneously with PyAudio and NumPy 01 Oct, 2023 Programming 0 Currently i can record audio and save it as a NumPy array. from playsound import playsound. Slides. # wait until the sound data breaks some level threshold. I think with NumPy it's easier. FORMAT = pyaudio. The purpose of my utility is to be able to trigger this from a python script. play_array(dSound2) oJ. write () or pyaudio. when_pressed = sound2. You can modify to store stream object for different Mar 7, 2019 · Instead of using the . Right now I'm stuck in trying to get one OutputStream to work. Also, I’m trying to delay the audio back to them at an increasing rate for this project I’m working on so I Simultaneous Playback and Recording ¶. imshow (data["video"]) plt. PyAudio is distributed under the MIT License. 5. Once this is done you can use your numpy. playrec() command, you could just rapidly alternate between the use of . 1) HINT : u need to tweak this. read (). Sep 3, 2016 · Here is a simpler solution using pydub. Twilio may play a processing sound while the file is being downloaded. You can get a list of devices with: python3 -m sounddevice. 3. fs = 44100 # Sample rate. Feb 24, 2020 · Python Help. Oct 16, 2017 · 4. Provides file format independent methods for loading audio files, playing, pausing, resuming, stopping, seeking, getting the current playback position, and changing the volume. time() < start_time: pass. Play and record sound using pyaudio simultaneously. (3)Note that in “blocking mode”, each pyaudio. For this example, let’s say there are 4 audio files in the same directory as multi. playback module. We set it to 512 (32 milliseconds of 16 kHz audio). load('wave_file. vb qz oo hj yi gl il ha am gk