Questions tagged [mp3]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
10 views

Incorrect Album and Attribution in Windows Media Player

After exporting an audio mixdown from DAW to (WMA or MP3) and editing applicable tags with appropriate software, Media Player in Windows 10 often still gets album, artist and other attribution ...
1
vote
1answer
72 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:(...
0
votes
2answers
64 views

Subliminal messages in MP3

I have purchased a set of MP3 files (with classical and binaural music) that claims to have embedded in them messages at a frequency that people cannot hear -- i.e., subliminal messages (these are for ...
2
votes
2answers
411 views

Extend periods of silence in mp3 files

I have a bunch of mp3 files containing lots (about 300 per file) of small (0.5s to 3s long) snippets of audio separated by 1s of silence. I want to edit these mp3 files (preferably losslessly) so ...
0
votes
1answer
53 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
3answers
3k views

How to add meta info to mp3/wav file MAC OSX?

How to add meta info to mp3/wav file MAC OSX ? Is there any application?
0
votes
0answers
20 views

is there any software to detect a specific voice out of many, from an audio file?

I'm working on a machine learning project, where you take voice recordings and teach a model, to speak as that person. That project have a perfect sound dataset and not what I'm asking about here. (...
4
votes
3answers
4k views

Audacity: Increase audio volume in audacity software

How can I increase audio volume of a mp3 file in audacity? I need to cut a part of mp3 song to make a ringtone. But as I save it in by mobile, the volume is too low for this particular file. Is there ...
1
vote
1answer
54 views

Is it possible to cut an mp3 file without re-encoding it?

I have some mp3 files that need to be cut in segments (one mp3 file for the start, one separate mp3 file for the middle, and another mp3 file for the end). It can be easily done in any DAW, but DAWs ...
2
votes
1answer
45 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. ...
7
votes
9answers
7k views

Does the .wav file created from a .mp3 file have better quality than the .mp3 file itself?

A .wav file created from a .mp3 file has the same frequency domain plot as the mp3 file itself. However, the .wav file created from .mp3 file has larger file size. According the post https://...
7
votes
3answers
16k views

How to convert a stereo MP3 to mono MP3

We had an MP3 created for a message greeting on our phone system. It is stereo MP3, not sure what the bit rate is, but is sampled at 44.1k. Our sound system requires it to be in this format: 16 bit ...
-2
votes
1answer
118 views

What software is best at ripping multi-CD audiobooks? [closed]

I want to take a 6 CD audiobook and rip it into MP3s that I can listen to on my phone. Maybe this works ok if the audiobook has already been entered into some CDDB. But my CDs aren't recognized. ...
6
votes
6answers
65k views

Is it possible to separate voices from one mp3 file?

I want to separate 2 or more voices from one audio file, is there any software to this ? I have done some googling and seen that the answer is NO in most cases. But I think at least there should be ...
-1
votes
1answer
25 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 ...
41
votes
13answers
49k views

Are there any audible differences between 192 and 320 kbit/s .mp3 files?

I have friends that are very picky when it comes to mp3 bit-rate, and will always look for the 320 kbit/s version of a file. However, I have never noticed any differences, they sound the same to me. I ...
5
votes
1answer
903 views

Does converting mp3 to wav make sense with regard to timing accuracy?

Think about a program where it is mission critical to sync audio playback with text being displayed on the screen. And timing of this sync must be perfect. Currently, I am having all sorts of trouble ...
0
votes
0answers
215 views

Wich of these… are the best configuration, in Lame v3.100, CMD´s command line?

I tried and compared all of these preset´s configurations. The idea is to get and rich out the BEST QUALITY of SOUND POSIBLE, Don´t care the file size. With the best Bass or Low Frecuencies, and not ...
4
votes
2answers
7k views

LAME: Why is a lowpass filter used with --preset insane

After analysing various converted mp3's I've found out that the LAME encoder uses a lowpass filter for the insane preset (CBR 320), but the filter seems to be disabled for the extreme preset (VBR V0). ...
-1
votes
1answer
43 views

Do Opus And AAC Use Artistic License To Improve Sound Quality By Sacrificing Accuracy?

I was reading a forum thread the other day and came across a post which claims that unlike MP3, other codecs such as Opus and AAC "[invent] audio data that's not accurate to the source" by "[...
0
votes
1answer
107 views

Any reason to use MP3 over AAC?

All information I found online indicates that AAC is superior to MP3 in every aspect, having better sound quality at lower bitrates/file sizes etc. So is there any reason to ever use MP3 instead of ...
0
votes
1answer
41 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 ...
1
vote
3answers
980 views

How can I convert large audio file .aiff to mp3?

When I use GarageBand to record some audio, the audio files are too large (e.g.:1.86GB file size) and GarageBand won't export over 90 minutes long audio. Audacity cannot directly export to .mp3 file. ...
3
votes
3answers
3k views

Is source bit depth/sampling rate relevant for mp3 conversion?

Will an MP3 file, encoded from a 16-bit, 44.1 kHz source sound better or worse than an MP3 file, encoded with identical settings, but from a 24-bit, 96 kHz source? Or will there be no audible ...
0
votes
1answer
167 views

What is the difference between Audacity's dB and MP3Gain's dB?

I've read that Audacity can also do MP3Gain's job to normalize multiple tracks, but while in MP3Gain the target volume is something like 89.0 dB or 95.0 dB in Audacity the maximum is 0 and it goes ...
-1
votes
1answer
114 views

Which Desktop Apps Can Playback MP3 Chapters?

According to this standard one can embed chapter markers in MP3 ID3v2 tags. I've found a few apps which put the chapter tags into mp3 files (Forecast, ID3v2 Chapter Tool, mp3chap), but no apps on ...
2
votes
3answers
672 views

Join audio files into one mp3?

I have a bunch of mp3 files I would like to consolidate into a single mp3. What software is able to do this quick and effectively? I have tried online conversion tools and they don't work so well. I ...
3
votes
3answers
40 views

Easiest way to convert audio tape to mp3?

I have a few hundred of audiotapes; I am looking for an easiest way to convert them to mp3; I would like to find a software which would 1) adjust recording level automatically (and do it gradually - ...
0
votes
1answer
49 views

How to merge ~700 very short, sequentially numbered, audio files into a single track? [duplicate]

I recently received hundreds of audio files from a government agency. They are numbered sequentially in the order they were recorded and each file is anywhere between 1 - 12 seconds in length. I am ...
0
votes
2answers
292 views

What are the distorted sounds in 2 - 5 kHz range?

I have an mp3 128 Kbps music file with particular parts where a series of single note only on a cello is played initiated with a bell click. Less than a second after a bell click and cello note ...
0
votes
1answer
53 views

Why do YouTube Converters use MP3? [closed]

So youtube-dl shows that YouTube only uses Opus, m4a and vorbis containers. So how do these YouTube to MP3 converters get the MP3 then? Do they transcode from a lossy format? Isn't it better to get ...
2
votes
4answers
3k views

Why do mp3 files have a time delay when compared to wav files?

At first I thought this was a tempo issue when exporting my stems from fl studio to cubase. But when I zoomed in close enough and lined up the tracks they were perfect (ie. no stretching). The mp3 ...
3
votes
1answer
1k views

How does MP3 and FLAC's encoding work

I am working on a research project and struggling on finding information on some of the more technical details about the working how MP3 and FLAC works to encode and compress its data. Most ...
1
vote
1answer
131 views

WAV file not in sync with source MP3 file

I am using NAudio and Adobe Media Encoder (separately) to convert a 2-hour MP3 file into a WAV file: The resulting WAV file is not in sync with the source MP3 file: MP3 second #996 = WAV second #...
11
votes
4answers
2k views

Is there a losslessly compressed audio file?

Anyone who works with audio either as a hobby or as a professional knows about MP3 and WAV, and the advantages and disadvantages of each. Namely: MP3 (most commonly MPEG III) disadvantage: lossy ...
0
votes
3answers
1k views

Re-encoding MP3 reduces quality

If we have an MP3 file and we decode it to an uncompressed WAV file and then later encode it to MP3 again at the same sample rate - why is it that the quality gets degraded? This is a past exam ...
1
vote
4answers
128 views

alternative to mp3

Often I have to import/export audio files to/from Audacity/Adobe-Premiere and back-and-forth. I know that mp3 is lossy format, but when I try to choose another alternative .wav, then it takes up to ...
1
vote
6answers
4k views

Does converting an mp3 format audio file to m4a format makes audio quality better?

Does converting an mp3 format audio file to m4a format makes audio quality better ? I was just wondering if mp3 is lossy. How it can generate lossless m4a file after conversion. I know mp3 can be ...
1
vote
3answers
408 views

Which format for radio station to choose in Shoutcast?

In Shoutcast there is option to choose will radio station run mp3 or aac, and i am not sure which one is better option. Please recommend. What i read is that aac can provide same quality on lower kbps,...
2
votes
3answers
793 views

What makes low quality speakers become distorted when at high volume?

Specifically speakers for tablets, phones, and laptops. I purchased a tablet in 2014, I got a tutorial on how to perform a modification of the system audio file which me very grateful when comparing ...
0
votes
1answer
694 views

Can I change the MP3 encoder in Cubase Elements 7?

When trying to export MP3 format directly from Cubase I get an error regarding licensing: "No more encodings" I have Audacity, which uses the LAME encoder to make MP3 files. Currently the only way I ...
1
vote
1answer
659 views

MP3 Psychoacoustic Cut-off Frequencies for Low-Bitrate Presets

I've only seen frequency cut-off estimates for higher quality recordings. I'm interested in low bitrate frequency cutoffs: 24 kbps 32 kbps 40 kbps 48 kbps 56 kbps 64 kbps 80 kbps 96 kbps I have a ...
9
votes
2answers
2k views

How do mp3 encoders compress audio?

I know they remove certain sounds, like extreme highs and lows, but how does this really work? What information is decided to be thrown out? Is it just done by frequency and typical human hearing ...
-2
votes
1answer
750 views

MP3 and bitrate

So from what I know bitrate is the product of samplerate * bitdepth. But I cant understand this: here for example we try to create an MP3 file selecting bitrate to 320 and sample rate to 44.1khz ...
0
votes
2answers
119 views

Exporting from ogg to mp3 has poor quality

I have several sound effects in ogg format. I have to export them in mp3. I oppened each of them in Audacity and used export functionality to achieve my goal. But when I played the sounds in mp3 ...
0
votes
1answer
103 views

Playing MP3/AAC music on powered loudspeaker [closed]

I have a Mackie Thump15 15-Inch powered loudspeaker that I want to be able to play music from my iTunes library on. The speaker has active amplification and has a mic and line input. I read that I can ...
3
votes
2answers
102 views

Why are levels so different on popular music tracks I open in my wav editor?

I'm trying to figure out how loud my songs should be. I'm trying to compare my stuff with popular music artists to see how loud their songs are, so I open their songs in my wave editor. When I open ...
0
votes
1answer
454 views

optimal way to transcode 320 mp3 kbps to a more efficient lossy format? [duplicate]

Several thousand 320kbps mp3s of studio and live high fidelity recordings of concerts will be landing on my computer soon. (not pirated, I promise you!) I'm happy to have and use them for personal ...
1
vote
1answer
6k views

Opus vs MP3 (Size & Quality Comparison)

How does Opus differ from MP3 when comparing both in relation to the file size and quality. For example if I were to convert a 320kbps or 128kbps file that is 10MB or 4MB in mp3 format to opus, what ...
1
vote
1answer
57 views

How can configure Rekorbox so that it records the computed BPM in the MP3 ID3's BPM field?

Rekorbox computes the BPM of an MP3 while analyzing it. How can I configure Rekorbox so that it records the computed BPM in the MP3 ID3's BPM field?