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#1 2018-02-22 08:33:16

Snorlax
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Registered: 2017-05-12
Posts: 26
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Transform a 320kbps mp3 to opus

Google Music Store makes it easy to purchase and download songs from my favourite artists.
Nowadays, it seems opus is the most efficient loss audio format when it comes to size and audio quality.
So I started converting purchased 320kbps mp3 to 256kbps opus.
I want to know whether the rate "256kbps" suffices or wastes.

Last edited by Snorlax (2018-02-22 08:33:34)

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#2 2018-02-22 11:29:51

NoSuck
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Registered: 2015-03-04
Posts: 157
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Re: Transform a 320kbps mp3 to opus

Compare frequency histograms.  This can be done easily in Audacity.

Not a lot of storage space, eh?

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#3 2018-02-22 11:33:39

Snorlax
Member
Registered: 2017-05-12
Posts: 26
Website

Re: Transform a 320kbps mp3 to opus

NoSuck wrote:

Compare frequency histograms.  This can be done easily in Audacity.

Not a lot of storage space, eh?

I use ffmpeg

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#4 2018-02-22 12:17:03

ugjka
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From: Latvia
Registered: 2014-04-01
Posts: 1,069

Re: Transform a 320kbps mp3 to opus

do A/B testing and keep reducing the bitrate until you can distinguish the difference. It helps if you have good quality headphones


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"Once you hit 10 nested VMs you're basically brad pitt with women who matter" ~ echoline

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#5 2018-02-22 15:22:14

Snorlax
Member
Registered: 2017-05-12
Posts: 26
Website

Re: Transform a 320kbps mp3 to opus

ugjka wrote:

do A/B testing and keep reducing the bitrate until you can distinguish the difference. It helps if you have good quality headphones

Thanks, just transformed them to 192kbps opus

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