CETECOM
ENABLING MARKET ACCESS

ACOUSTIC TESTING

CETECOM is accredited for the testing of sound system equipment and voice performance, amongst others specializing in the testing of Acoustical Quality Evaluation for mobile terminals. CETECOM’s scope of acoustical measurements includes following testing services. Further tests can be carried out on demand. Depending on the requirements the acoustic tests are complied with the use of various Test Head Coupler or the “HATS” (head and torso simulator) as well as professional microphones and audio sources. 

 

 

 

VOICE QUALITY

  • PESQ, TOSQA, POLQA and S-/N-/G-MOS- tests
  • According to ETSI EG 202 396-3 by using background noise simulation and data base acc. to EG 202 396-1 with 50 real background noise conditions
  • Subjective analysis of speech quality Using 3-QUEST, G.160 (SNRI) test software
  • Subjective analysis of speech quality Using ITU-T Recommendation P. 835
  • Cell phone network operator specs Vodafone, T-Mobile, etc.
  • New generation DECT specs EN 300 175-8 ∙ Voice-over-IP specs EG 202 737... EG 202 740
  • GSMA HD Voice High Definition speech quality for telecommunication equipment

 


ACOUSTIC REQUIREMENTS:

  • TS 26 131/ -132 UMTS mobile phones
  • EG 202 518 Acoustic output of terminal equipment
  • UL 60950 Measurment of the acoustic safety of telecommunication equipment for USA
  • EN 50 332-1/ -2 Max. sound pressure level and limit considerations for head- and earphones EN 50 950-1/A12-2011 Measurment of the acoustic safety of mobile multimedia equipment and headphones for Europe
  • TBR 10 DECT telephones (analogue/digital access)
  • TIA/EIA-810-B USA: VoIP feature phones narrowband
  • TIA-920 USA: VoIP feature phones wideband
  • AS/ACIF S004 Australia

 

 

 

 

ACOUSTIC MEASUREMENTS / SOUND POWER

  • ISO 3744 / 3745
  • Desigantion of the sound power level of noise sources by sound pressure measurements (Free field methods)
  • ISO 9614-1, 9614-2, 9614-3 (Intensity methods)

 


AUTOMOTIVE

  • VDA, P1100, P1110

 


DECT FORUM

CETECOM is the official certification body of the international DECT/CAT-iq Forum, which represents the interests of the DECT/CAT-iq industry by allocating the CAT-iq logo. The CAT-iq logo is a quality seal which stands for excellent audio performance und interoperability between DECT/ VoIP terminals and the Web 2.0 standard.

 

 

HEARING AID ACOUSTIC MEASUREMENT

  • IEC/EN 30118-0/-1/-2/-6/-7
  • NSH 7th edition