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Questions tagged [compression]

Compression is the process of lessening the dynamic range between the loudest and quietest parts of an audio signal

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What is side chain compression?

I've heard mention of side chaining or side chain compression in reference to electronic music (specifically Daft Punk). What is it?
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15 votes
4 answers
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What is compression and why is it used?

Related to vocal recording, I see some answers that talk about compression. What exactly does compression do, and why and how is it used?
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14 votes
2 answers
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What is the difference between Vorbis and Opus?

I would like to split up an audio stream (32bit floats) to chunks, encode them with a lossy compression and then decode it in the other side. I have no experience with audio codecs, so I started to ...
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10 votes
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FLAC compression level comparison/efficiency analysis

I want to rip/archive all my music collection to a lossless but compressed file format, i.e. the files should all be perfect, lossless representations of the original data but should consume less ...
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4 answers
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Compressor vs Volume

Is it better to raise the volume or to use a compressor to do so? (In terms of clipping) Because when I use a compressor ofc I can make the sound louder, but by doing so I squash the sound, right? Is ...
noob's user avatar
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In which situations is Audio Expansion applied (opposite of compressors)?

I've encountered from time to time some plugins that allows a threshold and a ratio to be set so that quieter sound can have an even more quieter level (or silenced altogether). Ableton Live actually ...
chamberlainpi's user avatar
8 votes
2 answers
1k views

Step Compression: Do you use it?

I often times due to time constraints and given the limited amount of dynamic range permitted for my television mixes, use step compression on my narration track. I find it causes less ear fatigue ...
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Why does a FLAC file have a lower bit rate than the CD file?

I ripped a CD to FLAC. Comparing the two versions of the same song with MediaMonkey, I noticed the original CD bit rate is 1411 kbps: whereas the FLAC file has a bit rate of 906 kbps: Why is this? ...
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6 votes
4 answers
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Live rock band having issues with vocals being buried

We are an independent touring band that has been having issues with the vocals being lost in the mix. Our singer is constantly told that she's being drowned out by the band. The band consists of a ...
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6 votes
1 answer
458 views

How can I qualify differences between compressors?

When A/Bing different models of compressor (usually DAW plugins since that's what I generally have access to), I can tell that different compressors with similar settings have a somewhat different ...
Warrior Bob's user avatar
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6 votes
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Which audio file format gives smallest size for silent tracks?

I want to make a bunch of silent audio files (of different lengths: A few seconds up to some minutes), just to but them into playlists and so on in order to have silent times in between. I am ...
Golar Ramblar's user avatar
5 votes
2 answers
3k views

Is it wrong to use compression on the master bus?

I've read some pretty conflicting statements about what people should or shouldn't do when it comes to putting effects on the master bus. In general, what I always do is put on a compressor but have ...
Travis Crum's user avatar
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How is compression different from normalization?

Newbie question. I originally asked this here in the comments but I was advised to post this as a separate topic. If I understand correctly, compression reduces the volume range of a sound so that it ...
Pieter's user avatar
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4 answers
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Compression? When do you use it, if ever?

If at all and when and how do you use compression? I'm curious to see who out there actually uses it. You can answer with referring to either recording or mixing. I have already asked if you use ...
Utopia's user avatar
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Which kind of dynamics processor is this (inverse expander, reverse compressor)?

You set a threshold at a certain level, specify a ratio of 4:1 and then for every 4 dB below the threshold, the output signal is boosted by 1 dB. Which tool/technique can be used to achieve this? ...
ReeFagbemi's user avatar
5 votes
2 answers
772 views

What are the differences between budget and more expensive hardware compressors?

I'm think about getting a compressor and I heard that Alesis makes one popular compressor for electronic music. I'm informed that the prices can differ much, so I wonder what is the difference between ...
Niklas Rosencrantz's user avatar
5 votes
1 answer
1k 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 ...
Brian FitzGerald's user avatar
4 votes
4 answers
469 views

How to widen a sound effects dynamics? Uncompression?

Hey guys, I have done a lot of sound design using some punches, body falls, kicks, etc. that were mashed and mastered and normalized and compressed and every-which-way processed. Does anyone have a ...
Utopia's user avatar
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Is it better to record a vocal as close to raw as possible, or to compress, eq etc along the way into Pro Tools?

I've been playing around with running vocals from our 1073 pre-amp into an Avalon compressor and EQ before hitting our Pro Tools rig. I'm loving the sound I'm getting, but am not sure if this is ...
James Foley's user avatar
4 votes
2 answers
170 views

Side chain sources for a compressor working on a guitar or bass signal?

I've only ever used side chain triggering for compressors acting on drums. Where a kick signal compresses snare and toms. I'm trying to figure out some interesting use cases for side chain compression ...
Ian C.'s user avatar
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4 votes
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Recording/mixing/mastering drums

I'm working on a project where I am to mix/master drums to a backing track (sort of a drum-replacement project.) I've gotten the drums to sound pretty great on their own but was just wondering if I ...
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4 votes
3 answers
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Can compressed music files be adequately recovered by remastering?

I have some rare old music files on my drive that are compressed to 128 kbps in the mp3 format. Some of them are of digital origin, and some of them are vinyl rips. Audio data compression affects ...
P A N's user avatar
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3 answers
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What is difference between parallel compression and dry/wet knob on compressor?

as I understand parallel compression works by sending some track to compressor with some settings, and then turning send knob how much you want. Doing this, you will get some of the unprocessed signal ...
user3074841's user avatar
4 votes
3 answers
80 views

Techniques on Mastering

I'm interested in creating the most 'dynamically interesting' sound from music that I've produced on a computer, which includes vocal samples, bass, rhythm and instruments. At first I was happy with ...
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4 votes
2 answers
108 views

How do you set each stage of compression when using 3 or more compressors in a DAW?

I have a hardware FMR Audio Really Nice Compressor (RNC) that uses 3 stages of compression. It gets me really good results in recording live theater, where the audio levels go from a stage whisper to ...
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4 votes
3 answers
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A Feedback Compressor

I was perusing website a few days ago and ran across the routing/bussing schematics for a "feedback compressor." Now I can't find the page and I'm wondering what exactly a "feedback compressor" is? ...
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3 votes
7 answers
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EQ, Compression sequence?

Hi all, maybe this question has already come up (though I couldn't find it ...), and surely most of you will have their own best practices here... EQ or Compression, what do you put first and why? ...
Julian's user avatar
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3 votes
3 answers
560 views

While mixing, how aggressive should I get with EQing?

Mixing question... I need to give each element its own space in the mix and I'd like to know how you go about this. I compress the element I'm trying to sit and EQ out its competitors but still it ...
Justin Huss's user avatar
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3 votes
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Best lossy format for music?

Which one of the lossy file formats like Ogg, AAC, Mp3, Wma has the best quality/size ratio? I've seen that AACs are smaller than MP3 at the same bitrates. Do they sound worse than MP3?
Alex's user avatar
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3 votes
3 answers
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What's the best ubiquitous format for compressed voice audio?

I'm sharing records from phone conferences on my website, and would like to save space. It would be nice if I could use speex as I get about 5:1 compression compared to mp3. However most people would ...
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3 votes
1 answer
166 views

is there a common low-end level for a song?

I am currently mastering a song in iZotope Ozone 6. Both in Ozone's EQ and Multi-band Compressor, if I boost up the low frequency it sounds muddy, but it sounds soft if I bypass it. Is there any "...
Ronald's user avatar
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3 votes
1 answer
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Where does Levelator fit in with traditional compression/gating/limiting?

I understand the basic concepts of compression, expansion, gating, and limiting, but I'm still working on best applying them to my podcast to achieve the best resulting sound. I'm also working on ...
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3 votes
3 answers
62 views

How can I compress podcasts consistently and reliably to go onto Google Play Music?

After getting a complete, confirmed Artist's account on Google Play Music and attempting to upload my podcasts, I realized there was a requirement that all provided files must be FLAC or WAV files ...
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3 votes
3 answers
240 views

Should I use a standalone compressor/gate or do it in post?

I'm recording screencasts and also dabbling in podcasting. I do video editing in Final Cut Pro X. My question is this: Is it better to use a standalone insert compressor/limiter/gate or have FCPX do ...
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3 votes
1 answer
3k views

When you are mixing dialogue, compression settings for stem

When you are mixing dialogue and you have it all mixed, what is your strategy for compressing the rest of it? I understand that multiband compression is commonly used but do you try to set a very ...
Chris's user avatar
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3 votes
1 answer
900 views

Are FLAC audio files automatically decompressed by music players?

Suppose I have a compressed version of a song in .flac format that I want to listen to using a music player. Since flac is a lossless audio format, I know that the original (uncompressed) song can be ...
Francesco Cariaggi's user avatar
3 votes
2 answers
1k views

cutting foley/footsteps through compression?

Anyone do this? We're looking to tweak our chain somewhat, and one of the more obvious things is to go ahead and compress some of those quick transients out on the cut side of foley and footsteps. ...
Rene's user avatar
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3 votes
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905 views

How is compression quality related to sample rate?

The higher the sample rate is, the better the compression quality will be. That seems to be the conclusion to draw from several dynamics plugins I've worked with that implement oversampling (in this ...
Michael Hansen Buur's user avatar
3 votes
1 answer
154 views

Critical listening examples for compressors and digital filters?

I'm looking for listening examples for the following applications: -Compressors usage (what to listen for when changing parameters such as ratio, attack, release time, etc). I've found some material ...
jimijazz's user avatar
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3 votes
0 answers
91 views

How do LPC encoders work

I asked this question on the DSP forum and got a reasonable answer but the answer was very technical and was wondering whether someone could give me a more general idea of how it works. My ...
user avatar
2 votes
7 answers
3k views

in reality, do you believe convolution compression can work?

convolution reverb is a well known thing to us all... however, what about convolution compression? can it work? what do you think?
innerfuze's user avatar
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2 votes
2 answers
529 views

Sequence inserts/plugins for voice

I'm editing some spoken word audio (lectures recorded on a wireless lapel mic). I am using the following effects in Pro Tools 8. I am proficient with using these effects individually. But does it ...
Crowder's user avatar
  • 153
2 votes
2 answers
41 views

Can phasing occur with 2 seperate/unique instruments

I'm struggling with a piece of audio. Answers here on this site and my own searching suggests it is phasing, but I am very hopeful if some can clarify. Here is a link (download MP3), although I will ...
Dave's user avatar
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2 votes
2 answers
20k views

How do I use the Insert I/O on my Behringer Mixer?

My Behringer X2442USB has a feature called Insert I/O. I understand what Behringer has to say about this feature but now how to use it. From the manual, INSERT Insert points enable the processing ...
Evan Carroll's user avatar
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2 votes
4 answers
382 views

Remixing For The Internet?

I was wondering if there were any quick approaches from taking a soundtrack that has a wide dynamic range (film) and compressing it for something like the internet, where most things seem to be ...
MikeQuell's user avatar
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2 votes
2 answers
200 views

How do I cope with "spikes" in voice over

A speaker sent me totally unprocessed voice over recording. In this recoring, one can see "spikes". What is the usual way to deal with these? Thank you!
tmighty's user avatar
  • 123
2 votes
2 answers
1k views

Will stereo compression affect stereo image?

What happens with the stereo image when compressing stereo program material using a linked dual compressor with a combined internal sidechain (a "stereo compressor")? Is the stereo image reduced, ...
Michael Hansen Buur's user avatar
2 votes
2 answers
555 views

Is it possible to mix MP3 Files into an audio mix a long mp3 without degredation?

I want to add and crossfade multiple mp3s into a long mix. Is there software that can mix many mp3's without re-encoding? If i use a normal mixing program and decode-re-incode, how much worse is the ...
bandybabboon's user avatar
2 votes
1 answer
610 views

Are "fake rimshots" really viable, and how can they be done?

I've heard a couple anecdotes of a drummer in a studio who wanted a rimshot sound from the snare and was told to not play rimshots- so that the engineer could use compression later to make the normal ...
Edward's user avatar
  • 158
2 votes
2 answers
818 views

How to use multiband compressor in Mixing and Mastering?

I try to use Ozone-5 Multiband Compressor, but it looks very confused to me. I really want to know what is the purpose of doing Mutiband compression and How do you usually use it.
Ronald's user avatar
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