If I try. In order to get recording to work from my USB headset, which may be approximately the same I needed to select device 1 as follows:. I also needed to unmute the microphone in alsamixer Make sure you select the USB device via the F6 menu Sign up to join this community. The best answers are voted up and rise to the top. Usb sound card and mic not working Ask Question. Asked 2 years, 10 months ago. Active 1 month ago. Viewed 4k times. Baidyanath Kundu Baidyanath Kundu 11 1 1 silver badge 2 2 bronze badges.
Have you solved your problem? Active Oldest Votes. RubberStamp RubberStamp 1, 1 1 gold badge 6 6 silver badges 16 16 bronze badges.
arecord(1) - Linux man page
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The Overflow Blog. Podcast Ben answers his first question on Stack Overflow. The Overflow Bugs vs. Featured on Meta. Responding to the Lavender Letter and commitments moving forward. Related Hot Network Questions. Question feed.Have you ever thought about a speaker which can be controlled by your voice!!! Yes, Amazon Echo is the one of the most popular voice controlled Speaker, but in competition with it Google Home is also getting popular.
Voice assistants becoming more popular as we are heading towards an era of AI based systems. These all are Voice based AI systems, what makes these different from each other is their ecosystems, and this is where Google Assistant standout the most.
Google, Apple and Amazon, all these companies already launched their smart speakers. Google smart speakers are also available in the market. Google provides the API for using its voice service, which is open source and available on Github.
Using Google voice service, we can play music, get information about weather, book tickets and many more. All you have to do is Ask. We also assume that your Raspberry pi is already set up with an Raspbian OS and is connected to the internet.
Note: Webcam has inbuilt microphone so, we will use this in place of USB 2. You also need a keyboard, mouse and a monitor to connect the raspberry pi using HDMI cable. Open Raspberry Pi terminal and type arecord -l command.
This will display the hardware devices which are connected to Raspberry Pi as shown below:. If it is not displayed, your webcam may be defective. So, to change it to 3. NOTE: If you want to increase or decrease the input voice loudness for microphone the type alsamixer in the terminal. Select sound card from the terminal by pressing F6.
If you have USB 2. Here we have used Webcam for USB microcphone.It supports several file formats and multiple soundcards with multiple devices.
It is basically used to record audio using the command-line interface. If you want to know more about you can simply run following command on the terminal. Now we will demonstrate how it really sounds like to record. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.
See your article appearing on the GeeksforGeeks main page and help other Geeks. Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below. Writing code in comment? Please use ide. Syntax: arecord [flags] [filename] If the filename is not specified then it uses Standard input. Options: -h, —help : It is used to show the help messages and exit.
Suppress messages not sound :. If this parameter is omitted the WAVE format is used. The default is one channel. Valid values are 1 through The default rate is Hertz. The default is not to sleep. If the device is busy the program will exit immediately. Check out this Author's contributed articles.
Depending on the application, the user may want to buy a nicer microphone higher bit-depth, larger dynamic frequency range, higher sampling audio card, etc. Cheaper and mid-tier microphone links are listed below. The microphone in our store is a fairly inexpensive microphone that is compatible with Raspberry Pi and also boasts a frequency response of 20 Hz - 16 kHz, so it is ideal for most acoustic applications.
Type the following into the command window:. Your USB mic is ready to go. Assuming the two installs above have been successful, open Python 3. If everythin has been successful, we are ready to head to the next section and ensure that the USB mic is functioning and the Pi has selected the correct device.
This should output the index of each audio-capable device on your Pi. For my Pi, my output looked like this:. Take note of the index of the USB device, because we will need to adjust the pyaudio device index according to the sequence above. For in-depth information about the use of pyaudio, find its documentation here. The output. Depending on the microphone used, the sample rate can be increased to 48kHz.
The Pi, with a high-quality microphone, is capable of mid-tier audio recording bit, 48kHz. This method could be used to produce and record podcasts, instruments, or any type of audio recording at that resolution and sampling rate. That tutorial will involve more in-depth programming, signal processing, and acoustic analysis. Cart 0.
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Unplugging and plugging the microphone fixes it, only because the current dip forces the RasPi to reboot! Not an ideal situation. Is there a way to fix this from the command line or a C executable? Sign up to join this community. The best answers are voted up and rise to the top.
Sound configuration on Raspberry Pi with ALSA
USB microphone locks up - how to fix? Ask Question. Asked 7 years, 4 months ago. Active 6 years, 11 months ago. Viewed times. The USB microphone occasionally gets locked up such that nothing can use it. Yimin Rong Yimin Rong 5 5 bronze badges. Would a better power supply be an option? A powered hub? It's already using its own dedicated power supply - "the best! The dip is because the RasPi has a current limiter, so regardless of how good the power supply is, it will shut off when this microphone is plugged into it.
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So maybe the option should be getting a better microphone! Use a separate USB hub with its own power supply. Then it wont reset. Active Oldest Votes. Lawrence Lawrence 2, 10 10 silver badges 13 13 bronze badges. Doesn't show up in lsof, tried grepping devsndusb and pcm not seeing anything. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.While setting up a Raspberry Pi to play streamed music using UPnPI have had quite a bit of trouble understanding how to configure the sound on my Raspberry Pi.
This is partly because I am running it in headless mode no graphical desktop and partly because sound on Linux is fiendishly complicated. Here are my findings on how to control the ALSA system from the command line. All I am focussed on here is getting control of the sound output by the 3. ALSA is the lowest level of the Linux sound stack. The alsa-utils package comes ready installed on the debian wheezy distribution I am using wheezy-raspbian. It provides some useful commands: amixeralsamixeralsactlaplay and speaker-test.
You can do this with the speaker-test command for one, which will by default play white actually pink noise out of the speakers. Another command to try is aplay. To see the available devices, use aplay -L. It shows that the default device to use is directly to the ALSA device.
To control these settings we can use the alsamixer command which gives a graphical display in your terminal or the amixer command. This shows the maximum and minimum values for the playback volume and that it is actually a pair of values for left and right channels.
The operating system saves the ALSA sound configuration when you turn it off and restores it when you turn it on. Once you have the sound configuration as you want it you can store it there using the alsactl command which you have to run with root permissions as it changes a protected file.
If you want to stop the current state being saved when the machine shuts down then you need to disable the alsa-utils init script from running when the machine enters runlevel 0 halt and 6 reboot.
Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Followed the Adafruit guide to configure the microphone. I am able to record the audio using below commands.Nihon sekkei vietnam
I want to run this command from my python script so that i can start and stop the recording on Rest web method call. Below is the sample script I am using for testing Note: I am able to record audio using pyaudio library but quality multiple clicking sound not good that why i am exploring this option. Learn more. Asked 1 year, 10 months ago. Active 4 months ago. Viewed 1k times. Satish Gunjal Satish Gunjal 33 9 9 bronze badges.
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