Questions tagged [mp3]

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9 views

Cloud music player recommendations [on hold]

I store music mp3 files in my Dropbox cloud drive in order to access them from anywhere. I've been using the free version of CloudBeats to play music from an iPad, with mixed results. (It's slow and ...
-1
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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 ...
2
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2answers
222 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 ...
40
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13answers
40k 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
630 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
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0answers
34 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 ...
3
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2answers
5k 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
40 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
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1answer
48 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
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1answer
32 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
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3answers
707 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
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3answers
2k 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
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1answer
94 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
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1answer
25 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
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3answers
564 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 ...
5
votes
6answers
50k 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 ...
3
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3answers
35 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
40 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
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2answers
288 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
50 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 ...
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4answers
2k 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 ...
2
votes
1answer
688 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
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1answer
98 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
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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
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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 ...
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4answers
102 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 ...
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6answers
3k 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
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3answers
298 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,...
5
votes
2answers
13k 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
3answers
408 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
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1answer
463 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 ...
2
votes
1answer
401 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
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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
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1answer
574 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
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2answers
82 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
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1answer
78 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
94 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
282 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
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1answer
5k 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 ...
0
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1answer
54 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?
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0answers
49 views

How do I find out the audio access unit duration from MP3 files?

This is defined in ISO/IEC 13818-3 as: 2.1.10 audio access unit [audio]: For Layers I and II, an audio access unit is defined as the smallest part of the encoded bit stream which can be decoded by ...
3
votes
1answer
1k views

Can a MP3 file contain video frames?

I have a file, which is obviously a MP3 file (file extension .mp3, type indicated as "MP3 Format Sound" in Windows Explorer). Surprisingly, when I open the file using Windows Media Player, it will ...
0
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1answer
123 views

Using .wav files works fine in DAW while using converted .mp3 files doesn't

I am working on Arch Linux and am trying to create an intro movie for my Youtube channel. The idea is to play "intro.mp3" which is played only once and then "loop.mp3" which will be playing on low ...
0
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2answers
239 views

Converting phone audio to save space - what's best?

Short version: What are the best settings to convert low-audio-quality WAV files into MP3 to save space? I plan on using ffmpeg. Hi, first time caller, long time listener, I have 22 GB of about 340 ...
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2answers
1k views

What sample rates can an MP3 file have?

The title says it all. What sample rates are possible for an MP3 file? It is my understanding that there are only a few bits for specifying the sample rate. I know that 44.1 kHz and 48 kHz are ...
1
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0answers
47 views

Windows Media Player 12 idiosyncratic (?) ripping/encoding behavior, mp3s [closed]

Hopefully I'm in the right section, please ignore/delete if not! I've noticed that it sometimes, for some albums, or even songs, WMP 12 doesn't even remotely offer the predicted 20.5kHz cutoff ...
1
vote
2answers
1k views

Do I lose any quality when trimming an MP3 with Adobe Audition?

I use Adobe Audition to trim out parts of MP3 files. I then save it as a new file. I get the following message: Now, do I really lose any quality from the original file? I mean, the format is ...
0
votes
1answer
456 views

“Compress” an AIFF file?

I'm wondering how I can compress several AIFF files to reduce their size at this point I don't care about sound quality, I just need to reduce the file size the problem is that AIFF is an ...
5
votes
4answers
2k views

How to ensure uniform sound levels in multiple WAV files?

I require that the sound levels of all the songs for my project are uniform. The songs are from different albums and different artists, hence they are not uniform from the perspective of volume level. ...
2
votes
1answer
930 views

LAME bitrate and lowpass filters

Is there a formula or chart that specifies what lowpass filter LAME will automatically invoke for certain bitrates? I've looked around the net and can't find anything on this. And is there a specific ...