Verba Collaboration Compliance and
Quality Management Platform



Latest Release - Verba 8.9
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This article helps disk size dimensioning. Required storage size depends upon the number and length of calls and the applied codec.

Estimate your storage requirements

You can download the Excel Verba Storage Calculator Sheet to estimate your storage requirements for IM, voice, video, telepresence and screen recording applications.It also provides you information on database storage sizing.

The calculator sheet includes Excel macros, which might be disabled when you after you download this file from this site. Please Enable Editing and Enable Content (to turn on macros) when Excel is asking for it, otherwise the calculator will not work.

Supported voice and video codecs

The system supports recording of the following voice codecs:

  • G.711 A-law
  • G.711 μ-law
  • G.729
  • G.729A
  • G.729B
  • G.729AB
  • iLBC
  • GSM
  • SILK 
  • Microsoft RTAudio
  • G.722
  • G.722.1
  • Siren7
  • Siren14
  • Cisco Wideband
  • AAC-LD
  • Opus

The system supports recording of the following video codecs:

  • H.261
  • H.263
  • H.263+
  • H.263++
  • H.264
  • H.264 SVC

Voice recordings

The Verba Recording System is able to store audio files in many file formats with different codecs.

Supported formats:

Input codec

Codec for storing media

Codec information

File format

1 minute
file size

1 hour
file size

8 Khz codecs

PCM8

8 bit, 8 Khz, Mono

wav

470 Kbyte

27.5 Mbyte

8 bit, 8 Khz, Stereo

wav

936 Kbyte

54.9 Mbyte

PCM16

16 bit, 8 Khz, Mono

wav

936 Kbyte

54.9 Mbyte

16 bit, 8 Khz, Stereo

wav

1875 Kbyte

109.9 Mbyte

MSADPCM

4 bit, 8 Khz, Mono

wav

233 Kbyte

13.7 Mbyte

4 bit, 8 Khz, Stereo

wav

469 Kbyte

27.5 Mbyte

GSM FR
most used 

8 Khz, Mono

wav

100 Kbyte

6 Mbyte

Speex

8 Khz, Mono

ogg

45 Kbyte

2.7 Mbyte

8 Khz, Stereo

ogg

58.5 Kbyte

3.51 Mbyte

Speex VAD
(voice activity detection) 

8 Khz, Mono

ogg

~34 Kbyte (for speech)

~2 Mbyte

8 Khz, Stereo

ogg

~44 Kbyte (for speech)

~2.6 Mbyte

G.711
(both A and μ)

 

8 bit, 8 Khz, Mono

wav

469 Kbyte

27.5 Mbyte

8 bit, 8 Khz, Stereo

wav

936 Kbyte

54.9 Mbyte

16 Khz codecs

PCM8

8 bit, 16 Khz, Mono

wav

936 Kbyte

54.9 Mbyte

8 bit, 16 Khz, Stereo

wav

1875 Kbyte

109.9 Mbyte

PCM16

16 bit, 16 Khz, Mono

wav

1875 Kbyte

109.9 Mbyte

16 bit, 16 Khz, Stereo

wav

3749 Kbyte

219.7 Mbyte

MSADPCM

4 bit, 16 Khz, Mono

wav

469 Kbyte

27.5 Mbyte

4 bit, 16 Khz, Stereo

wav

936 Kbyte

54.9 Mbyte

GSM FR
most used 

8 Khz, Mono

wav

100 Kbyte

6 Mbyte

Speex

16 Khz, Mono

ogg

90 Kbyte

5.4 Mbyte

16 Khz, Stereo

ogg

117 Kbyte

7 Mbyte

Speex VAD

16 Khz, Mono

ogg

68 Kbyte (for speech)

~4 Mbyte

16 Khz, Stereo

ogg

88 Kbyte (for speech)

~5.2 Mbyte

G.711
(both A and μ)

8 bit, 16 Khz, Mono

wav

936 Kbyte

54.9 Mbyte

8 bit, 16 Khz, Stereo

wav

1875 Kbyte

109.9 Mbyte

 
* The media file format called vf (Verba Media Format) is a flexible proprietary media format from Verba Technology, that allows the use of high compression codecs, stereo and VAD support, efficient multi-channel audio and video multiplexing with quick navigation in the media streams. Verba provides a codec free of charge to play and bulk convert recordings in this advanced format, therefore using this format does not lock our customers into a closed and proprietary technology. Using this codec our customers can benefit from very large storage capacity savings.
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