For questions about the recording and playback of speech and music on your computer, as well as for problems about the sound component of videos.

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46
votes
2answers
84k views

Windows 7 lowers applications' volume automatically

Every time I run some of my games, if the media player is open and playing, Windows 7 lowers the volume of both applications (the game and the player). All other applications are not affected. I tried ...
8
votes
1answer
28k views

Change Windows sound volume via the command line

Is it possible to change the volume in Windows XP via the command line?
70
votes
9answers
213k views

How to control master volume in Windows 7?

Some keyboards have volume controls on them that can be pressed anytime to control the master volume. My keyboard does not have that. Is there a way that I can create a key macro that will work like ...
33
votes
6answers
72k views

How do I manage multiple audio playback devices on Windows Vista/7?

I've got speakers (audio in) and headphones (USB headset with it's own soundcard) connected to my desktop computer. Under Windows 7, I can right-click the Audio Mixer and select Playback Devices and ...
23
votes
5answers
145k views

Force Windows to output only mono sound

So, the 'right' half of my pair of headphones broke (the transducer+wire are fine, but the earpiece broke on the headband and so the earpiece won't sit over my ear). So now the right channel is being ...
11
votes
2answers
73k views

How do I enable multiple audio outputs on Windows 7?

For Windows 7, 64 bit: I have a digital SPDIF output to my stereo, which controls speakers in other rooms. I also have a set of speakers connected to the regular audio jack at the computer. This ...
20
votes
6answers
34k views

Play audio over network with Windows 7?

I have seen software for Linux systems that allows me to send the audio from one system to another over the network, is there such a software (a driver likely) for Windows, specificly XP but Vista and ...
2
votes
3answers
4k views

Is it possible to boost Windows' sound volume to a higher limited value?

I often listen to Last.fm with my headphones on, but sadly, some songs are recorded with a bit lower volume than the other. Even when maxing out all my audio settings, I want more. Is there any way ...
74
votes
2answers
123k views

Windows 8 turns program sound volume down randomly

I recently upgraded to Windows 8 from Win 7 64 bit and have started to encounter a strange issue. When I have any program running which plays sound, such as a game or spotify, after a random interval ...
55
votes
9answers
490k views

How do I play audio through a Bluetooth headset in Windows 7?

I recently did an in-place upgrade from Vista to Windows 7 RTM. For the most part, things have gone brilliantly. The only issue I've been facing is regarding my Bluetooth headset, a Dell BH200. The ...
27
votes
8answers
72k views

What's the reason behind “Stereo Mix” becoming a missing option?

Several newer computers I've worked on (Dell, mainly) are using IDT or Realtek drivers which lack the Stereo Mix option in audio recording devices. I've tried all kinds of methods including ...
19
votes
11answers
12k views

How can I extract audio from a YouTube video?

I would like to hear Linus' talk about Git from youtube on my way to work, which means I'm looking for an elegant way to extract .wav or .mp3 from a YouTube video.
10
votes
2answers
9k views

Where are the Vista/Win7 Volume Mixer settings stored?

Vista/Win7 appear to persist the sound level settings per application. I'd like to have a look at that list. The reason? According to a Microsoft blog, the settings are stored against the PID of the ...
21
votes
3answers
72k views

How do I disable microphone volume auto-adjusting?

My coworkers started yelling at me today because apparently I started screaming in their ears during a Google hangout. And sure enough, when I go to the Microphone settings dialog, I can see the level ...
18
votes
9answers
100k views

Windows keeps making these random “device connect” and “device disconnect” sounds

Throughout the day I notice that my computer makes apparently random device-connect and/or device-disconnect ("boink") sounds. I suppose it is the same sound you hear when connecting or ...
12
votes
12answers
106k views

Use all 5.1 speakers with a 2.1 audio source

I just bought a 5.1 surround sound speaker set for my computer in my bedroom. The rear speakers are next to me in bed while the front speakers are at the other end of the bed at my feet. While I enjoy ...
7
votes
1answer
22k views

How to make Windows 7's volume mixer save individual volumes again? [duplicate]

Possible Duplicate: Where are the Vista/Win7 Volume Mixer settings stored? Windows 7's volume mixer is normally saving the volume levels for individual programs, as long as the exe file ...
4
votes
1answer
4k views

Tool to bulk speed up/convert an audio file

I want to listen to certain podcasts on my phone but I have two common problems: The audio is in some weird format (some don't play on my phone). The audio is slow. I want to use something like ...
1
vote
1answer
1k views

Ffmpeg add new audio in video (mixing 2 audio)

I want to add an audio to video at specific duration. Now before/after that intended duration, original audio of the video should be playing; and at the intended duration only inserted audio should ...
33
votes
5answers
290k views

How to use two audio devices simultaneously with Windows 7?

I have an audio connector on board (Asus P8H67-I) and an USB audio card (Teufel). How can I use the two devices simultaneously? As far as I can see I have to set one device to the standard output ...
17
votes
3answers
46k views

Bad sound quality of 3.5mm headphone with mic on laptop

I have a set of headphones that have a built-in mic for hands-free calling. They work great on my Sony Ericsson Cedar cellphone. The problem is that when I connect headphone to my Dell N5010 laptop ...
18
votes
4answers
25k views

Easy way to switch default sound output device

I want an easier way to change my default sound device from my sound card to my usb headset. Currently it takes a very precise right click, a left click, another right click, and two more left ...
3
votes
7answers
12k views

Transcript creator OR Speech to text [closed]

I listen to a daily podcast that is about 4 hours long. I think it would be a cool project if I could come with some way to generate transcripts of it automatically. Is there any software that will ...
7
votes
2answers
12k views

Tool to view video/audio file information [closed]

What is the best tool to obtain the media/codec details of any video/audio file? I use Windows, but feel free to suggest for your favorite OS too.
2
votes
3answers
6k views

How to determine which program is making a certain sound in windows 7?

I'm experiencing an annoying "female robotic" sound effect saying "loading complete" at uncertain interval in windows 7. I want to shut down that noise for good. To do that, I have to determine which ...
37
votes
3answers
46k views

How can I normalize audio using ffmpeg?

I want the loudest peak sound in a movie clip to be as loud as the codec allows, then have every other sound amplified accordingly. What's a practical example in order to accomplish this using ...
31
votes
9answers
78k views

Routing Applications sound to different sound device? (Windows)

Anyone know how I can set for an application to output its audio to a specific device in Windows? I'm dealing with applications where it's not possible to go into their settings and choose which ...
12
votes
4answers
103k views

How to create a virtual audio device and stream audio input with it

Is it possible to create another audio device and redirect only wanted input streams to it? Here's my concrete problem: I am broadcasting a game via XFire and it uses the Windows audio device to ...
7
votes
3answers
5k views

Finding out if a FLAC or WAVPACK audio file is NOT originally encoded from a lossy source

Is there a way of checking that the so-called FLAC or WAVPACK audio file was originally encoded from a lossless source (WAV, CDA, APE, etc.) instead of a lossy source (MP3, AAC, ATRAC, etc.)? Say I ...
21
votes
6answers
32k views

How do I force single (only) channel audio in youtube/flash videos to play in both (left/right) channels?

Occasionally, I find Youtube videos that have only one audio channel (only left or only right); example video (left channel only). This is quite annoying, especially with headphones on, as I hear ...
43
votes
15answers
25k views

Does it make sense converting a file to a higher audio bitrate?

When a certain file (mp4, flv, etc) has a 95 kbps audio bitrate - does it make sense outputing to a higher bitrate when converting to mp3 or other format (be it lossy or not)? Would this result in ...
25
votes
3answers
197k views

HD Audio or AC97 connector - Which to use when, and what's the difference?

I'm currently setting up a older system in a new case (i'll be upgrading it in stages, and the old parts then go back into the old case ;p), and i'm having a bit of confusion over which cable to use, ...
5
votes
7answers
4k views

How can I normalize the sound levels in several different audio/MP3 files?

I have a given set of MP3 audio files of varying audio levels. I would like to know how I can automatically normalize all of these files, so the volume is amplified/raised on the quieter files, and ...
7
votes
5answers
4k views

Disable Mac startup sound

Anyone know how to disable that cheesy startup sound when I power on my Mac? If it makes a difference, I'm running Mac OS X 10.6.
5
votes
6answers
438 views

Recording Audio from Radio Stream

I'm sitting here listening to a radio show that is being broadcast live over an internet stream, but I would like to keep bits and pieces for later-enjoyment. Is there a way I can easily record ...
10
votes
9answers
959 views

Convert mp4 to mp3

I would like to convert mp4 (video included) to mp3 (without video). what is the best way of doing this apart from using audacity (or similar software) and performing manual conversion (recording as ...
7
votes
11answers
60k views

Make headphone output mono

my headphones are stereo but I would like the sound from the left and right to be combined then sent to both headphones. The reason is I'm watching a video where the people speaking are in the right ...
1432
votes
7answers
151k views

How do I make a machine “blank screen” for a period of time (as a penalty) if certain noise levels are reached?

My kids (4 and 5) yell a lot when playing games on the computer. I found an effective cure for this. When I hear loud noises, I ssh into the game computer and do: chvt 3; sleep 15; chvt 7 This ...
12
votes
6answers
19k views

How to increase the volume for an avi file

I have one or two .avi files for which the sound is simply too low. I like to play them in vlc, and enabling the graphic equalizer helps somewhat, but is there any other (easy and quick!) way of ...
22
votes
4answers
24k views

Windows 10 volume jumps to 100% on random

So today I installed windows 10, and I love it except one thing: The volume is bugged. I'll be sitting watching youtube videos on Microsoft Edge, click next video and my ears will be blown off ...
12
votes
1answer
8k views

How to replace an audio stream in a video file with multiple audio streams?

I want to replace the second audio stream (0:2) in a video file that has two audio streams and give it a label if possible. How would I go about this? All the ffmpeg commands I found won't let me keep ...
13
votes
1answer
27k views

FFmpeg command to convert MP3 to AAC

I can issue this command: ffmpeg -i input.mp3 -acodec alac -ab 128k -ar 48000 -ac 2 -y output.m4a to create a m4a file. But when I issue this command ffmpeg -i input.mp3 -acodec alac -ab 128k ...
9
votes
4answers
8k views

How can I record sound from the windows command line?

Is there an application capable of recording sound that I can run from the command line on XP? Ideally I'd start it with one command and stop it with another. Or I could specify a duration with the ...
9
votes
3answers
24k views

Can Windows use headsets that have a single audio jack with 4 rings?

As you guys may know, for several years now, Apple uses 4-ring headphone jacks instead of 3-ring headphone jacks, and the fourth ring is dedicated to microphone input. This is what lets you have ...
26
votes
5answers
98k views

How do I swap audio output of the left and right speakers?

I have two speakers stereo speakers but when I use the sound control panel applet to test my audio configuration I get sound in the right speaker when the user interface indicates the right speaker ...
14
votes
4answers
29k views

What process is making that sound?

My Windows 7 system makes an intermittent ding sound (like a single chime, or bell). I don't know which process does it. So, my question is: Is there software out there that can tell me which ...
9
votes
7answers
55k views

How to play MP3 files into the microphone input

In a chat session, whenever I want the other person to hear a pre-recorded voice, I need to play it on my speakers and use my microphone to capture it. How can I play MP3 files into the microphone ...
8
votes
8answers
164k views

Microphone volume at maximum yet too quiet

I have got a reasonbly basic desktop microphone, however for reasons that I don't understand it is extremley quiet. I dual boot, both systems run Windows 7, one system is working just fine although ...
6
votes
3answers
6k views

Normalize volume of all my computer hardware and software?

For my computer, there are a dozen different ways to adjust the volume in various ways and on various levels using both software and hardware. The following things have individual volume controls: ...
5
votes
5answers
11k views

Play system sounds from one computer through another computer's speakers?

I have a Mac and a Windows PC at work. I use both at the same time with Synergy and SynergyKM, which is a great setup for me. The Mac has built-in speakers and the PC has a sound card, but no ...