Sound Design Stack Exchange
Sound Design Stack Exchange

Questions tagged [compression]

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

Dynamic range compression (DRC) or simply compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet sounds thus reducing or narrowing an audio signal's dynamic range

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120 questions
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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? Is this a loss of data, or just a reflection of…
Jonathan
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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 and also processed. But could you do the same…
user3074841
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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 trying to figure out where Levelator fits in, and…
Kyle Cronin
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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 need help getting speex to play on their…
Rob Mosher
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3 answers

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 under 250MB. My files are already in the highest…
Supuhstar
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3 answers

Applying compression to a sound several times

I would like to know what happens, objectively speaking, when you apply compression to a sound 2, 3, or 4 times. I would beleive its useless to do this. Or counterproductive. I generally use a compression to process a signal in real time. Then I…
Trux
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The function of attack,release and threshold in a compressor

I would like to know how threshold,attack and release act in a compressor.Any information regarding this would be well appreciated.Thanks in advance.
Saptak Bhattacharya
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Calculating compression output with a knee

With a hard knee you'd have an output as output=Threshold+(Input-Threshold)/Ratio Now, I found this pdf http://redmine.jamoma.org/attachments/download/175/JAES_V60_6_PG399.pdf which lists as a method to find the output given the knee, threshold,…
user12945
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