src_simple is for converting a whole file in one go. It does not give good results when called multiple times on discrete chunks of the file like you are doing. If you want to convert the file in chunks like that, you should be using the src_process API. Also be aware that the libsamplerate source code tarball includes sources to a program Usage. For ease of use, add the script to your PATH. Open up a terminal, cd to the directory of FLAC files that you wish to convert, and invoke flac2mp3 (or whatever you named the script). You will see the verbose decoding/encoding process in the terminal which may take a few moments. Done! See what audio sample formats (bit depth) an encoder supports with ffmpeg -h encoder=pcm_s16le; Or manually set the audio sample format. With the -sample_fmt option. ffmpeg -i input.wav -sample_fmt s16 -ar 44100 output.wav See a list of audio sample formats (bit depth) with ffmpeg -sample_fmts; Or use the aformat filter Open new terminal, navigate to the directory where you have stored your mp3 file and run the following command. The -w option is the short of –wav, which tells the tool to use the specified wav file for output. In my case, the specified wav file is output.wav, which will be the output of the mpg321 command. This is a very simple tip, but very youtube-dl has an option to convert videos to mp3, along with an audio quality setting; it uses ffmpeg/avconv. FWIW, for music I download the highest quality webm format (usually #251), convert it to wav, trim and normalize that wav file, then convert it to mp3 with lame. Maybe with the standard Slack install I think VLC may do this but its kind of a pain to install with all the dependencies. I am slowly doing that on a, I hope 14.2 partition but that's going to take a while. I would like to be able to do a directory with sub directories from the command line. In other words convert all the wma files to mp3 files. There are more than 50 alternatives to Switch for a variety of platforms, including Windows, Mac, Linux, Web-based and Wine apps. The best Switch alternative is fre:ac, which is both free and Open Source. Other great apps like Switch are CDex, LameXP, Pazera Free Audio Extractor and Freemake Audio Converter. Switch alternatives are mainly Audio Free source code and tutorials for Software developers and Architects.; Updated: 4 Nov 2016 .

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