Questions tagged [encoding]

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3
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2answers
6k 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
vote
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 ...
2
votes
1answer
954 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 ...
1
vote
1answer
710 views

FLAC --bps setting real meaning

I'm going to grab some audio from DVD in best possible quality. My software supports FLAC encoder and lets me to choose various bit per sample settings for it: 8, 16 or 24. And I got confused. FLAC ...