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Questions tagged [audio]

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1answer
21 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:(...
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2answers
24 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 ...
2
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0answers
46 views

How to check for audio plagiarism?

I have a scenario of a global organization that has workers across the world uploading digital audio content and we need to confirm that their contributions are not reworked from older contributions ...
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1answer
33 views

What is the name of the audio equipment Charlie Puth has on this top shelf of his rack? (the one with the orange logo?)

What is the name of the audio equipment Charlie Puth has on this top shelf of his rack? (the one with the orange logo?)
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0answers
15 views

Track/id detection like Shazam (Clip to short)

i found a nice melody on a German documentation. How can i find more information about the melody ? I tried to recognize it with shazam, but the problem is the part is only around 1sec long, on the ...
2
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1answer
42 views

What causes the spike in PCM signal?

I decode an mp3 song using two different methods. The output PCM signals are shown in Figure 1 and Figure 2 respectively. Both the decoded output files have the same file size and audio quality. ...
2
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1answer
33 views

Why does this balanced/unbalanced setup work?

I've just learned about balanced and unbalanced audio connections and so I started trying to figure out which pieces of my equipment have what. My Roland U-220 sound module appears to have unbalanced ...
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0answers
45 views

My speaker makes a buzzing sound only when the aux cable is NOT connected

I seem to have the opposite of the common problem of buzzing when AUX is connected in that the speaker is fine if the aux is connected to a device, but if I remove it then it starts to buzz. Quick ...
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0answers
16 views

CECILIA 5 start problems in Win 10 [closed]

When I want to start Cecilia 5, Paint program starts instead. In win 7 I never had this problem. Thanks for any solution to this headache.
1
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1answer
16 views

Export or save audio on Cubase 10.5

I’ve been confused by exporting audio files in cubase. I export a stereo audio file and I get a mono one. Just a moment ago I tried saving the file and it’s fast and in stereo. Does anyone have a ...
1
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2answers
11 views

how do I get a 4 mic system with 6.5mm to be source for PA?

I have this wireless mic system: https://www.amazon.com/gp/product/B07XJ6VVBC/ and this cord: https://www.amazon.com/gp/product/B000068O1K It seems to plug in perfectly when I place cord into my ...
0
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0answers
19 views

Tool to fix rapid-fire dropouts?

I recorded a phone call and the cell service was pretty shoddy. Here's an example. Good briefly, then high-speed dropouts, then good again. In the below image, you can see the dropouts to the right ...
1
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1answer
53 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 ...
1
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1answer
51 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?
1
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1answer
27 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-...
1
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3answers
50 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
25 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 - ...
0
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2answers
36 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 ...
-1
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1answer
19 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
21 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
15 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
42 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
36 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
98 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
95 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 ...
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2answers
65 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?
2
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1answer
93 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 ...
1
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1answer
53 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
48 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
36 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
45 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
31 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....
0
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0answers
14 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
239 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'...
0
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0answers
20 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
98 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 ...
-1
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2answers
178 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
37 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
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1answer
68 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
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1answer
36 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
67 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
177 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
34 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
87 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
199 views

Why is exporting a .wav file as .m4a creating a 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 ...
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1answer
230 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 ...