Re: DFasma 1.4.4 - A tool to analyse and compare audio files in time and frequency

Gilles Degottex <gilles.degottex@xxxxxxxxx> · Fri, 11 Mar 2016 10:24:04 +0000

It's quite similar to wavesurfer. Though, I hope it is more convenient for inspecting spectral characteristics (amp, phase, group-delay spectra).

It helps me for developing vocoders for speech synthesis. I used it also for visualising results of voice transformation (e.g. pitch or time scaling).

A quick look at the screenshots section gives some use cases:http://gillesdegottex.github.io/dfasma/screenshots.html

Or just download it, load two similar, bot not equal sounds, and have fun!

Cheers,G

On Fri, Mar 11, 2016 at 4:39 AM, Philip Yassin <philcm@xxxxxxx> wrote:

    I don't quite understand what it does (sounds quite magical - and
    looks really neat - though, could you give use quick use cases, when
    would who needs it?) but it made into a
      news item on LMP

    Cheers

    On 03/10/2016 09:37 PM, Gilles Degottex
      wrote:

                          Greetings,

                            I felt we
                              lack a light, quick and efficient tool to
                              compare waveforms.
                            DFasma is
                              quite convenient for inspection of results
                              of synthesis and modification tasks on
                              voice signals.

                              Homepage:

                                http://gillesdegottex.github.io/dfasma/

                                Downloads:

                                https://github.com/gillesdegottex/dfasma/releases

                                * Shows spectrogram, amplitude
                                  spectrum, phase spectrum and group
                                  delay.

                                * Can play a filtered sound given a
                                  selected frequency band.
                                * Rectification of the spectrogram
                                  tilt (cepstral lifting).
                                * Can create and edit fundamental
                                  frequency (F0) files (thanks to
                                  REAPER).
                                * Can create and edit segmentation
                                  files.
                                * Can load about 25 different audio
                                  formats (thanks to libsndfile).

                                * Everything runs under Linux, Mac
                                  OSX  and Windows.

                                Have fun ! And any type of feedback
                                  is welcomed of course.

                                Cheers,

                                Gilles

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