[FFmpeg-user] EBU R128 True Peak?

Jim Shupert jshupert at pps-inc.com
Fri Apr 26 15:22:57 CEST 2013


example sample:
documentary_trailer_short.wav
pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s - 25s
0ms
-9.0            dB max volume
-20.5           LUFS Integrated loudness (I)
2.7             LU Loudness Range (LRA)
-2.5            dB correction

  -16 ++             +             +              +             +
   ++
      +              +             +        *     +             +
    +
  -18 ++                             *      *   * *             *
   ++
           * **    *     *  *       **     * * * **      **   * *
  -20 ++   ** ** ** *    ***** ***  * *    * * *   *     ** ** **  **
   ++
           *    *    ** *     ** ** * *    *  *    * *  *  *     * **
  -22 ++   *           **        * **  ** *         *****         ** *
    ++
          *            *           **  * **                        * *  ** *
  -24 ++ *                                                            * *
*** ++
        *                                                              **
***
        *                                                               *
***
  -26 ++*
  * *++
        *
  * *
  -28 ++*
  *  *+
        *
  *  *
  -30 ++*
   *+
        *
   *
  -32 ++*
   *+
        *
   *
  -34 ++*            +             +              +             +
   *+
      + *            +             +              +             +
   *+
      0              5             10             15            20
     25

Y Momentary Loudness (min=-35, max=auto dB) / X Time in seconds


-------( this is slightly 'off thread' but may i ask
how did you get ? - what did you employ ? to get the above report on that file
documentary_trailer_short.wav
.  what gives this output about a wav.

thanks

shupe



More information about the ffmpeg-user mailing list