Questions tagged [audio]

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6
votes
1answer
519 views

How to keep audio-fequency noise from my refrigerator out of my audio gear?

I recently replaced my refrigerator with a brand new LG model LTCS20220W. The fridge is silent, but when it is running, my guitar amplifier is picking up a 4,500Hz signal which is driving me crazy. I ...
1
vote
1answer
68 views

Is it possible for Matlab to read and decode an mp3 file?

I have run the following Matlab code and I got a signal as shown in the Figure below. [y, fs] = audioread(mp3file); y1 = y(:,1); y2 = y(:,2); dt = 1/fs; t1 = 0:dt:(length(y1)*dt)-dt; t2 = 0:dt:(...
3
votes
3answers
11k views

Recording field audio of car engine/exhaust/etc

Ok so to jump right into it, a couple of friends and I picked up an 2014 Audi RS7 and plan to make a commercial/teaser-esque video of it. I have three GoPro hero4 black editions so the video portion ...
0
votes
1answer
90 views

Is there way to improve R sound in audio?

If you need to get a sharper R on the audio track, to make it sound more Spanish. To make without selecting each instance or the sound. I.e. is it possible to apply some settings to the whole audio so ...
1
vote
3answers
611 views

How do I amplify a WAV file without adding distortion?

I have a wav file that the subject is whispering in, how do I amplify without distortion? I have tried using Audacity, made it slightly better but audio still too low. Thanks
0
votes
1answer
17 views

Blend Modes for Sound

With image data, there are blend modes. I was wondering if there is something similar for audio? That is, if I have a high sound and a low sound, roughly speaking, could I: lighten (return the high ...
1
vote
1answer
18 views

from Flac to wav

i have some flac files, some are from the same song but have a different size, usually the larger size corresponds to a lower compression, to determine which is the best file I then go to see 2 other ...
0
votes
1answer
774 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'...
5
votes
4answers
833 views

How do audio engineers (physically) treat rooms for studios?

Here's my problem: I live in a small apartment downtown São Paulo - it's noisy as it can be. Loud traffic, people screaming and buses circulating day and night. This was never a problem - I usually ...
0
votes
1answer
60 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 ...
0
votes
0answers
13 views

Remove alternating low sound and combine alternating high waves, there is no overlap, easy audio file [duplicate]

There is low waves after high waves in my audio. The two are alternating (high then low then high then low, etc.). I have no experience in audio software. I only use basic stuff in iMovie. I would ...
3
votes
1answer
118 views

Need help setting up 2 Audio Feed inputs with two seperate auto outputs.

I'm using Scanner Cast and was needing help trying to find the best way to have two different scanner audio feeds that can be uploaded to two scanner cast feeds without each hearing the other. Right ...
0
votes
1answer
24 views

Headphones: How are different types of headphones are made or designed?

I am here to ask some technical questions about differences between some audio devices and about them point by point. I am a beginner or nerd in audio devices and sound editing. How a bass boosted or ...
0
votes
1answer
33 views

What should be the bit-rate & sample-rate settings, if I were to convert a WebM audio file to MP3?

I want to convert a WebM audio file to an mp3 file using FFmpeg. I was wondering what should be the ideal bit-rate & sample rate settings for the following input. Input #0, matroska,webm, from 'v....
1
vote
1answer
28 views

How to improve the audio quality in my YouTube videos?

So, I'm a beginner in creating YouTube videos. So far, I've posted 9 videos on my YouTube channel. The videos consists of poems and comedy vines (in Hindi). I'm getting good response from the viewers ...
0
votes
1answer
42 views

Do USB Audio Interface XLR Inputs show up as separate devices on Windows over the USB connection?

Devices I'm looking at specifically are these 3. I also want to clarify that I mean does it show up as 4 different devices in Windows sound settings? I don't plan on using these devices with a DAW. ...
0
votes
1answer
49 views

looking for a 24bit audio file only recorded in the lower 8 bits, or the ability to make such a file for testing

As the title suggests, I'm looking to either download, or create, a 24 bit audio file, that only has data in the lower 8 bits. The point of this would be to determine, definitively, if a piece of ...
1
vote
5answers
4k views

Software to emulate audio devices that can mux input and split output

The problem I have is that I'm using Windows 7. and I need to be able to output audio from a PC to 2 devices simultaneously and have the inputs of both devices be valid recording devices. However, I ...
1
vote
1answer
57 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: ...
2
votes
3answers
8k views

Cubase is blocking audio for other audio application

If I run cubase, I can't run spotify or any other sound program at the same time. does this have to do with my soundcard and is my soundcard substandard for this? If I exit cubase then I can use ...
0
votes
0answers
24 views

What is this empty space in this spectrogram? I have this is some lossless high kHz files

I have this with some albums. Is this something to worry about or is this normal? Or am I missing out on something?
1
vote
1answer
75 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 ...
0
votes
1answer
13 views

Setup to sync 4 low-end Bluetooth speakers [closed]

My neighbors are setting up outdoor movies with a few groups of people sitting 6-10 feet apart. The setup is a a smart projector and multiple Bluetooth speakers - one at each group, and the group ...
0
votes
1answer
45 views

What type of microphone is best for a medium space room mix?

I'm looking for a way to record a live dance class in a 25' x 20' space. I want the classroom ambience but also want the teacher's voice to be clear. I'll be using a PA system either in the back or ...
0
votes
1answer
21 views

Headphones: Can you use bass boosted headphones as professional sound editing headphones after making some changes in software or hardware changes?

I am here to ask some technical questions about differences between some audio devices and about them point by point. I am a beginner or nerd in audio devices and sound editing. Can you produce flat ...
1
vote
2answers
1k views

Open source software/library/tool/patch/… for converting audio to MIDI suggestions?

Having found 2 open source tools that can convert any audio file to midi, I'm still interested if there are others (for comparison). I've tried WaoN and Audio_to_midi_melodia. But not all samples ...
0
votes
1answer
34 views

Recording audio through 3.5mm jack on a Mac [closed]

I connect my gaming headset to a little mixamp. The mixamp has a raw audio 3.5 mm output jack. I want to use a 3.5mm male to male aux chord to record the audio output from the mixamp on my Mac (my ...
0
votes
1answer
24 views

How to use midi output from PA system amplifier for web conferencing

I'm a novice looking for help. I want to use midi output from a PA system amplifier as audio input to PC for use in Webex video conferencing. I bought a usb midi interface (Roland UM-ONE) but can't ...
0
votes
2answers
437 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
votes
1answer
93 views

How to simulate stereo from a mono audio file with command line or python?

I'm trying to do stereo effect from a mono audio, not a copy of the mono track to another channel. Some examples of stereoizing with Audition and Cubase 5.
0
votes
1answer
53 views

How are audio samples of an mp3 file seeked?

I have a question concerning the idea behind the seeking of an audio file like (mp3 file). I am trying to implement my own seeking mechanism, but I cant understand how media players knows how to seek ...
0
votes
0answers
16 views

Isolating acoustic events in spectrogram in audacity [duplicate]

What is the best way to isolate individual acoustic events in the spectrogram view of an audio file in audacity? I have some recordings of conversations I need to analyze but the microphone was placed ...
0
votes
3answers
2k views

mp4 file has no sound

I recorded an mp4 file with 41mins, when i open it it shows the size and duration and plays through the file but doesn't have any sound. Does anyone know a way how to try and repair this or is this ...
1
vote
1answer
37 views

What's the lowest analog audio sound that a CD/44.1kHz audio system can make?

CDs, and other 44.1kHz sampling audio systems, can produce a maximum sound frequency of 20khz in the analog audio range (I'm not sure how the maths goes, but that's apparently true). My question is, ...
0
votes
2answers
46 views

Anyway to track out two different voices within 1 audio file?

I have a podcast audio file with 2 voices, each speaking 1 at a time, and I need to track these out into two different files. I have logic, and I'm curious if there is any quicker way to separate the ...
1
vote
1answer
537 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 ...
2
votes
3answers
8k views

Is there a sound quality difference between RCA (analog) and optical (digital) connections?

All other things being equal, if there's an option for connecting two components using RCA cabling or connecting the same two components using an optical cable, is there any reason to prefer one ...
3
votes
1answer
302 views

How do you increase the volume of an audio recording without distortion?

I have an audio recording that has a very low volume. When I try to amplify and normalise using audacity, the distortion and noise make it impossible to understand the words that are being said. It's ...
0
votes
2answers
6k views

Izotope RX and Pro Tools : Audio Device Error

When I try to use standalone Izotope Rx with Pro Tools 10 with "connect" I get this error message: The selected audio device cannot be opened. Please make sure it's not in use by another ...
0
votes
1answer
30 views

Trying to connect old speaker to old sound system

I hope I am asking in the right place. I don't know much about audio technology, so please excuse my terminology. I have an old sound system whose speaker stopped working, and I have a set of two old ...
1
vote
1answer
144 views

How to invert a music track? (FL Studio / Audacity)

I am trying to invert my music track, I don't mean reverse it, invert it like here http://prntscr.com/rwa7a0 to make the first one be like second one. (Its flipped in the picture).
0
votes
0answers
28 views

I want to make a pair of 2 ways loudspeakers reusing the drivers from two old identical 5.1 systems. Make it sense?

I have two identical 5.1 systems that doesn't work (I think the problem in both are the power supply, but I don´t care about that, I'm interesting on reusing the drivers, they are working fine). The ...
2
votes
4answers
928 views

same size speaker vs subwoofer

say I currently have two active cabinets, with 15" woofers on them. Would adding an additional 15" subwoofer to the setup improve the lows, or just produce more of the same volume? How about 12" ...
0
votes
0answers
93 views

How to reroute the audio interface output back into input?

I have a Behringer UMC404HD Audio interface. It has 4 inputs and 4 outputs. Through the inputs, I have mic, guitar, and keys. In order to put all of these through my loop pedal and effect pedal I have ...
0
votes
0answers
28 views

Rode NTG3 vs Sennheiser MKH 416

I am pretty torn between the Rode NTG3 and the Sennheiser MKH 416. The Sennheiser MKH 416 is considered to be the industry standard and is considered by many as probably one of the best in the market. ...
0
votes
0answers
19 views

what adaptor to use when connecting 3.5mm Boya lav mic to my old Moto X Android headphone jack

what adaptor to use when connecting 3.5mm Boya lav mic to my old Moto X Android headphone jack? The Boya mic slides into the Android headphone jack but does not fit correctly and does not work (of ...
10
votes
9answers
4k views

What are some disadvantages of audacity?

I've been using Audacity for a while and it seems like the perfect recording studio: free, open source, great features, easy to use, its easy to fall in love with. However, I want to have a more ...
1
vote
1answer
80 views

How to interpret the analog output of an SPL meter?

I tried to connect the analog output of a Sound Pressure Level Meter to a digital oscilloscope to determine the RT60 of a room. I thought I will somehow have an analog reading proportional to the SPL....
0
votes
0answers
24 views

Audio repair service

I have some damaged audio from a video I recently took. Is there anyone interested in attempting to repair for me< happy to pay if need be.
1
vote
1answer
2k views

How can i download poor quality audio from youtube videos?

I stay in a underdeveloped area of India where only one telecom operator is available. The highest internet speed that I have seen in my computer is 11 KBps (as this operator supports only 2G). ...

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