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Questions tagged [audio]

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1answer
43 views

Are there stereo systems that play music slower?

While building a mobile app that plays music for fitness classes, I was asked to add a feature that allows the user to speed up the tempo of the music 0-4% to compensate for some gym stereo systems ...
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1answer
41 views

What is Binaural Audio?

I often hear the term "Binaural" audio discussed in forums and in articles, but I'm not sure what it is. Can someone please provide a brief explanation?
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1answer
25 views

What are the risks of using bus powered audio interfaces? Compared to AC-mains powered?

I know as sound cards get bigger and bigger, manufacturers make the switch to power adapter rather than bus powered. What's the justification behind that? Why, and for whom, is it better to have AC-...
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3answers
48 views

Is the sound really decreasing according to the inverse square law?

Sound propagates according to the "inverse square law", that is well defined here: https://en.wikipedia.org/wiki/Inverse-square_law So the intensity equals 1/distance^2 Like the image in the above ...
1
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1answer
19 views

How do I power a Yamaha EMX5?

I know basically nothing with about audio engineering and need some help. I just recently bought a Yamaha emx5 powered mixer. What is the best way to protect it from a power surge? Do I need a power ...
2
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0answers
24 views

Ogg metadata: cover art tag

I'm a software development and newbie in audio engineering topics. I ran Icecast audio stream server and would like to show cover art audio tag to website users. Stream format is Ogg. The problem is - ...
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2answers
34 views

How do you change the equalisation of an individual song/audio?

I've been looking for weeks, and I have nowhere else to turn to. I really thought this would be very simple to find, but I'm looking for any type of software that has a 5 band equaliser, that allows ...
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1answer
18 views

Encoding with explicitly defined 'high quality' regions within variable bit rate lossy audio

I am personally happy with absolutely trash audio quality when listening to podcasts, and frequently skip music, but have noticed many podcast producers will use high CBR* or overly high quality VBR ...
0
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1answer
20 views

Is it possible to make this kind of voice-modulation setup?

This is largely hypothetical: the answers I receive here will determine whether or not I and the peope involved even move forward with this project. I am part of a group hoping to build a series of ...
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0answers
14 views

How to route audio output from laptop to desktop for live streaming?

I have a Universal Audio Apollo Twin DUO, but the drivers seem to hate my desktop the more I use it (frequent buzzing/beeping/loss of audio), which requires frequent and annoying turn off/on ...
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0answers
41 views

Difference between car audio system and portable speaker

I designed a circuit which would turn on LEDs with intensity of the music (music reactive LEDs). I tested this using a portable Chinese speaker and it worked amazing. This makes me think that the ...
0
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1answer
35 views

Random clicks sounds when I record screencast

This is my recording setup Shure SM7B DBX 286S Focusrite 2i2 2nd Gen I use screencast and a mac to record it. Am listening to constant click sounds when I record the screencast. For sure it's not ...
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2answers
68 views

Converting balanced audio to RCA/phono audio - mixer needed? [closed]

I want to send balanced audio from one room to another in my home. The audio will originate from a Soundcraft Spirit Folio 12/2 mixing console desk. I'm assuming that the mix left/right and/or aux 1/...
0
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1answer
62 views

What Soundcraft Spirit Folio 12/2 mixing desk/console outputs are balanced?

I'm looking at the schematic on page 20 of the manual and am not sure myself if the outputs are balanced or unbalanced. I would like to plug stereo outputs using balanced 6.35mm jacks from either Mix ...
-1
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2answers
64 views

Why is 3.5mm shaped the way it is? [closed]

Wouldn't a simple rounded tip cylinder be good enough? Why does it have a diamond shaped arrow tip?
1
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1answer
66 views

Increase volume of an audio recording without distortion

Can u please help me? I have an audio recording that has a very low volume. When I try to amplify and normalize using audacity, the distortion and noise make it impossible to understand the words that ...
1
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1answer
40 views

pa system for band [closed]

I know absolutely nothing about sound to be clear. I would like to know the cheapest way to get a pa system for my band. We are a four piece indie band who play small venues like bars/pubs. I was ...
0
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2answers
26 views

How to save audio from 2 XLR mics as 2 separate audio files

Beginner here, so I’m sorry if this is a stupid question. Trying to make a binaural asmr video. I record with 2 xlr mics, and a zoom h4n. When saving audio, it saves as one audio file, so I am unable ...
1
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1answer
44 views

Adobe Audition / Audacity: If I sum all the bins of a FFT (rectangular window), do I always get RMS Amplitude?

First I use Audacity to perform an FFT of an audio clip with a rectangular window. Then I sum all the FFT bin values. Since the FFT bins are expressed in dB, I perform the "decibel sum" like this: ...
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0answers
25 views

How do I isolate and amplify faint dialogue on an audio track?

I have a video that shouldn't have any sound in it and I can faintly hear someone talking. My question is how do I isolate and amplify these sounds to hear them without straining and reducing other ...
0
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2answers
43 views

Sound Design/Sound Engineering Masters in Europe

I studied Computer Engineering in Italy and now I'm searching for a Master in sound in Europe. I want to explore mainly the technical aspects of the Sound Engineering, like recordig and post-...
0
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1answer
30 views

How can I record audio from an MP3 player into my Mac?

so I use a portable audio recorder to record interviews, but it’s microusb port broke (but everything else work), I can still record new files and play the recordings from the built in speaker and 3....
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0answers
13 views

How do web video players alter playback rate?

I've been playing around with playback rate (time stretching) using Librosa in Python. The time stretch implementation there sees to consist of a stft, followed by a vocoder time stretch and then an ...
0
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1answer
165 views

SoundWire server is already running

I use SoundWire software. I want to launch multiple servers at once, so I could stream Audio to multiple channels to multiple users. It is written here http://georgielabs.net/SoundWireHelp.html that'...
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0answers
14 views

m4a channel volume treated differently by different players

On a Mac, I've been using QuickTime to record .m4a audio files from Hangouts conversations via iShowU Audio Capture. If I open the file in Adobe Audition CC 2017 on Windows 10, it plays correctly: ...
3
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2answers
83 views

Subtract music from microphone input while recording

I do have a Soundblaster 5/rx with a line-in, my mixer has an aux-return (and if that does not what I think it does, it has a headphone out too which I could use). The signal that is sent to the ...
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2answers
138 views

New BM-800 Problems

I recently bought a BM-800 condenser microphone set and as i'm hooking it up, I want to be able to use my headphones with it, but the split USB input and output won't allow the mic to work in the ...
0
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1answer
34 views

How to find difference between 2 versions of the same song (one longer than the other)?

I have two versions of the same song. One is longer than the other (9 minutes Vs 13.55 minutes). Since our program only allows 10 min max time, we have to use the shorter version. but the audio ...
2
votes
1answer
67 views

Question about audio interfaces

Why external audio interfaces are better than the onboard sound boards? e.g. The sound recorded from a guitar is better if we plug on an external audio interface (like behinger U-phoria) than onboard ...
0
votes
1answer
35 views

How can I correct loud audio with noisy high peaks?

Accidentally, the song was recorder without hardware filter, and it become too loud and distorted on high peaks (you can see and hear noise on high peaks): example audio file is here. Is that ...
0
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1answer
61 views

I want to recreate a quirk that comes from mixing TRRS plugs with TRS sockets

First, let me point out that I'm illiterate when it comes to sound design and only learned of the terminology just now, but to sum this up: I have an old mp3 player, a Creative Zen MX, that doesn't ...
1
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1answer
137 views

How to do live vocals effectson microphone input, using LMMS?

I am using LMMS on Debian Linux, and I want to take input from a USB microphone and run it through some of the effects (delay, pitch modification, etc) in LMMS. I don't want to do this post-recording ...
-1
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1answer
40 views

How can i remove noise from sound coming from my computer mic jack ?

Normaly The signal comming from the computer audio jack should not have any noise. But when i connect the signal to my oscilloscope i see a lot of noise in the signal. How to solve this ?
1
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1answer
32 views

Music but low / intermittent vocals

I found out today that if I plug my Apple EarPods into my laptop's 3.5mm jack almost all the way, but not completely in, I can listen to music where the background music plays nearly perfectly, but I ...
1
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1answer
75 views

How to power an outdoor DJ Set?

I occasionally see videos of outdoor DJ sets is places that look like they are far from any standard power source. There are many on YouTube but here is an example: . ...
0
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1answer
174 views

exporting .wav as .m4a creating sync issue in audacity

Edit: it's 0.0330s delay, not half a second sorry. ALso the problem occurs when converting the wav to .m4a in ffmpeg using the basic ffmpeg -i input.wav output.m4a, and I used the newest release of ...
1
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1answer
47 views

Did hdmi ever not support audio? [closed]

My professor was going through slides and said “Oops, that should say hdmi supported. I wrote these slides when HDMI didn’t support sound.” Is this true? I can’t find anything saying that HDMI didn’t ...
-1
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1answer
215 views

I cant remove “hiss” sound on my Audacity track

To briefly explain my problem, when I play the audio track on Audacity and any media player on my PC, it sounds absolutely perfect. When I try on my phone's media player, it also sounds perfect. But ...
-1
votes
1answer
50 views

How do I fix the frequency of my audio?

I am editing some audio files of an existing game. The current frequency rate Im using is 6500hz and the music sounds pretty bad. P. D If I use 44100hz there will be a lot of noise. I am using ...
0
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1answer
47 views

Is this a sensible setup for interviews?

I'm buying equipment for a series of sit-down interviews involving two people which will be published online - our company's first go at producing these in-house. We already have a few decent ...
0
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2answers
42 views

Connect DJ controller to 2x home speakers using AUX

Apologies in advance if this question is stupid, but I am a complete novice when it comes to sound so please bear with me. Short of it is: I have a DJ controller (https://www.thedjshop.co.uk/pioneer-...
0
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1answer
42 views

How to substract two similar audios, and play the difference(in wav.file or mp3. file)

I have two audios, the original audio A and the new audio B, B is made from A by adding some noise, now, is it possible that I want to extract the noise and play it? By playing it, I need the noise to ...
2
votes
1answer
861 views

Combine PS4 and PC audio to have it play through one headset (through means of a mixer?)

So, first of all, I'm not sure if this is the right place to ask a question like this. If it isn't, my apologies; but I'd still very much appreciate it if someone could point me in the right direction ...
-1
votes
1answer
42 views

Going from Cell Phone 1/8" stereo jack (in mono mode) to Behringer MPA40BT-PRO

I have a Behringer MPA40BT-PRO portable PA system. I want to play iRealPro on my cell phone and have the output go to the Behringer PA just mentioned. CellPhone => 1/8" ??? Jack ====> 1/4" ...
0
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1answer
41 views

How can these wav/mpeg files be the exact same duration—down to the (apparent) millionth of a second?

I'm working on a project that involves many different .wav files. In checking out some attributes of these files, I noticed something strange: The duration of all the files looks to be chunked in some ...
0
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1answer
70 views

Strange audio signal from unknown source

today I stumbled upon one folder in my backups I totally forgot about. It contains an audio file, a spectrogram and some observation. In mid 2017 (starting from june) my speakers began to (seemingly ...
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2answers
67 views

One of my speakers won’t play high frequencies until volume is raised very high

My hifi has two speakers The left speaker, when I start to play something (after having had the unit switched off for a while) will reproduce low and mid frequencies fine. It will not reproduce high ...
0
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1answer
82 views

Can running audio from a laptop ruin your mixer?

We have a Behringer X-32 and two S-16 digital snakes. We were running our audio from a laptop (using a plethora of adapters--all passive--to go from 3.5mm stereo to xlr) to one of the digital snakes ...
1
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0answers
59 views

Audacity Recorded Commentary Is Out Of Sync With My Webcam And Gameplay Recordings

so basically my commentary that i recorded for a game play video is out of sync with my webcam footage and my gameplay footage Webcam: Logitech C922 Pro Stream Webcam My Microphone: Stadium USBMIC1 (...
0
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1answer
50 views

What causes an imported audio CD file to have silent gaps?

I used Audacity to import an audio file from a CD and I see that the file has numerous silent gaps in it. Are these gaps from the original CD?