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Downsample Audio with SoX | Maxie’s Notes
https://notes.maxie.xyz/audio/downsample-audio-with-sox.html
When downsampling a 176 kHz (176.4 kHz, actually) audio, the target sampling rate should be 88.2 kHz or 44.1 kHz (2:1 and 4:1 decimation, respectively). # Downsample with SoX. Downsampling with sox is relatively easy, you just have to use the rate effect. You also have to set the phase and the quality. The SoX FAQ states:
Unable to Downsample audio file in CGI perl script using …
https://stackoverflow.com/questions/46467351/unable-to-downsample-audio-file-in-cgi-perl-script-using-sox
I am working on a cgi script where I get an uploaded an audio file, downsample it to 8000Hz and then get it recognised later. I am facing an error while downsampling the file. The code for downsampling goes like: 1) Code for File Upload: use CGI; use strict; use File::Copy qw (copy); use CGI::Carp 'fatalsToBrowser'; my $PROGNAME = "file_upload.cgi"; my $cgi = new CGI …
Downsampling audio recordings | Notes from learning
https://kmyu.wordpress.com/2011/12/08/downsampling-audio-recordings/
Here is an example of how to downsample an audio file called sound.wav to 16kHz (that’s the rate 16k) and also to reduce to a 16 bit recording (that’s the -b 16 ), to an output file named sound-down.wav: sox sound.wav -b 16 sound-down.wav rate 16k. Some more on sox’s resampling algorithm here. ← Quick and easy calories.
SoX - Sound eXchange | HomePage
http://sox.sourceforge.net/
SoX is a cross-platform (Windows, Linux, MacOS X, etc.) command line utility that can convert various formats of computer audio files in to other formats. It can also apply various effects to these sound files, and, as an added bonus, SoX can play and record audio files on most platforms. The screen-shot to the right shows an example of SoX first being used to process …
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