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c - Controlling audio volume in real time - Stack Overflow
https://stackoverflow.com/questions/15776390/controlling-audio-volume-in-real-time#:~:text=You%20can%20manipulate%20the%20amplitude%20of%20a%20PCM,SAMPLES_PER_BUFFER%3B%20%2B%2Bi%29%20%7B%20buffer%20%5Bi%5D%20%2A%3D%20volumeMultiplier%3B%20%7D
audio - How to change the volume of a PCM data stream ...
https://stackoverflow.com/questions/8686355/how-to-change-the-volume-of-a-pcm-data-stream-failed-experiment
I'm trying to change the volume of a PCM data stream. I can extract single channel data from a stereo file, do various silly experimental effects with …
How to change volume of a PCM 16 bit signed audio ...
https://dsp.stackexchange.com/questions/2990/how-to-change-volume-of-a-pcm-16-bit-signed-audio
Changing the volume of an audio signal must be done by applying a gain (multiplication) - and optionally clipping if your system has a limited dynamic range. This is as simple as that. Applying a non-linear function to an audio signal will cause distortion and add harmonics, and you don't want this to happen - you want to modify the loudness of the signal, not its timbre.
pulseaudio - Adjust PCM volume? - Ask Ubuntu
https://askubuntu.com/questions/32383/adjust-pcm-volume
Depending on the distribution version you run you may also suffer from this. According to bug #322909 #30 it may help to ignore PCM volume settings rather than mergin them by editing /usr/share/pulseaudio/alsa-mixer/paths/analog-output.conf.common as root and changing the entry [Element PCM] volume = merge to [Element PCM] volume = ignore
PCM audio manipulation - volume control and mixing | …
https://www.microchip.com/forums/m932509.aspx
Re: PCM audio manipulation - volume control and mixing Wednesday, June 01, 2016 7:11 AM ( permalink ) 4 (1) JanJansen. long temp = sample; temp *= volume; // ( 7 bit volume, 0 to 128 ) temp >>= 7; sample = ( short )temp; Unfortunately this gives a Linear volume control, Human hearing works on the log scale.
Change the audio format on your Samsung TV
https://www.samsung.com/us/support/answer/ANS00085244/
To set up your TV’s input audio, navigate to Settings and select Sound, and then select Expert Settings. Select HDMI Input Audio Format , and choose between the two available audio formats: PCM: This stands for “pulse-code modulation.”
How to get the volume level from PCM audio data? - …
https://dsp.stackexchange.com/questions/46147/how-to-get-the-volume-level-from-pcm-audio-data
Here is my current approach, given I have an audio composed of 6 channels. To calculate the volume level at time T: For every channel, calculate the RMS value of 200ms window (44100 * 0.2 = 8820 samples, in my case). Time T will be in the middle of the window (ignore the edges). Calculate the average of the 6 values obtained in step #1.
Volume Changer - Increase or decrease loudness online
https://mp3cut.net/change-volume
Volume Changer app allows you to increase video volume online without losing original quality. This free online volume changer works with all audio file formats (including mp3, m4a, wav, m4r, and flac). It also works as an audio converter by letting you save files in any desirable format.
How to Change Audio Output on Windows: 12 Steps (with ...
https://www.wikihow.com/Change-Audio-Output-on-Windows
Step 1, Left-click the speaker icon in your taskbar. It's usually on the far right side of the taskbar next to the Wi-Fi icon.Step 2, Click the arrow next to the current audio output. Clicking this will prompt a menu to appear that lists all your current audio devices. For Windows 11, you will see the arrow next to the sound slider instead.Step 3, Click the audio output you …
Options - kb.igel.com
https://kb.igel.com/igelos/en/options-23501640.html
Menu path: Accessories > Sound Preferences > Options. With this function, you can change presets for the audio system. The settings can be changed at any time via the "Sound Preferences" function; see Using “Sound Preferences” function. Show volume control in taskbar. ☑ The button is shown in the taskbar. When the user clicks on this button, the volume control will …
Audio Output
http://raspberrypi-aa.github.io/session3/audio.html
The "PCM Playback Volume" control sets the volume of the Raspberry Pi audio output. The current value of the control can be retrieved with the 'sudo amixer cget numid= ' command, where is substituted with the number from the controls screen. For example, this command retrieves the current volume level. Here the volume is ... ..... To change the volume, run 'sudo amixer cset …
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