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STANDARD
SIST EN 300 176-2 V2.1.1:2009
ETSI EN 300 176-2 V2.1.1 (2009-05)European Standard (Telecommunications series) Digital Enhanced Cordless Telecommunications (DECT);Test specification;Part 2: Audio and speech
SIST EN 300 176-2 V2.1.1:2009
ETSI ETSI EN 300 176-2 V2.1.1 (2009-05) 2
Reference REN/DECT-000249-2 Keywords 7 kHz, audio, codec, DECT, handsfree, IMT-2000, loudspeaking, mobility, narrowband, quality, radio, regulation, speech, TDD, TDMA, telephony, terminal, testing, voice ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2009. All rights reserved.
DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. LTE™ is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. SIST EN 300 176-2 V2.1.1:2009
ETSI ETSI EN 300 176-2 V2.1.1 (2009-05) 3
Contents Intellectual Property Rights.12 Foreword.12 1 Scope.13 2 References.14 2.1 Normative references.14 2.2 Informative references.17 3 Definitions, symbols and abbreviations.18 3.1 Definitions.18 3.2 Symbols and abbreviations.21 4 Interpretation of the measurement results.22 5 General test requirements.22 5.1 Test philosophy.23 5.1.1 Testable items.23 5.1.2 Testing of the codecs.23 5.1.3 Testing of the audio types.23 5.1.4 Devices with analog line interfaces.23 5.1.5 Equipment supporting an ETSI approved profile.23 5.1.6 Equipment not supporting an ETSI approved profile.24 5.1.7 Applicant's declaration.25 6 General testing conditions.25 6.1 Low noise room.25 6.2 Lower Tester (LT).25 6.2.1 Description.25 6.2.2 Connections between the EUT and the LT.25 6.2.3 Functions and abilities.26 6.2.4 Measurement uncertainty.26 6.3 Power and environment.26 6.3.1 Environment for tests.26 6.3.2 Power supply limitations.26 6.3.3 Power source.26 6.4 Test configurations.27 6.4.1 General.27 6.4.2 Testing a DECT system.27 6.4.3 Testing a separate PP or FP.27 6.4.4 Reference FP (ReFP) and Reference PP (RePP).28 6.5 Digital signal levels.29 6.5.1 Digital signal levels for codecs G.711 and G.726.29 6.6 General test conditions.29 6.7 Ideal codecs (for codecs G.726, G.711, G.722, G.729.1 and MPEG-AAC).30 6.7.1 Ideal codec for codecs G.726 and G.711.30 6.7.2 Ideal codec for codecs G.722, G.729.1 and MPEG-4 (wideband mode).31 6.7.3 Ideal codec for MPEG-4 (super-wideband mode).32 6.8 Electro-acoustical equipment.32 6.8.1 Artificial mouth and artificial ear.32 6.8.2 Head and Torso Simulator (HATS).32 6.9 Speech coding scheme.32 6.9.1 Requirement for speech coding algorithm.32 6.9.2 Applicant's declaration on speech coding algorithm.32 6.9.3 Requirement for the TAP in the FP.33 6.9.4 Applicant's declaration on the TAP in the FP.33 6.10 Test setup.33 6.10.1 Set up for handset type 1a or 1b.33 6.10.2 Set up for handset type 2a.33 SIST EN 300 176-2 V2.1.1:2009
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6.10.3 Set up for handset or headset other than type 1a, 1b or 2a.33 6.10.3.1 Positioning handset or headset.33 6.10.3.2 Position and calibration of HATS.34 6.10.4 Set up for hands-free measurements.34 6.10.4.1 Positioning handsfree.34 6.10.4.2 Position and calibration of HATS.39 6.10.4.2.1 Sending.39 6.10.4.2.2 Receiving.39 6.10.5 Set up for measurements in loudspeaking mode.40 6.10.6 Setup for background noise simulation.40 7 Test of audio specifications.41 7.1 Overall description.41 7.1.1 Introduction to DECT audio specifications.41 7.1.2 Introduction to the audio types.41 7.1.3 List of Audio types.42 7.1.4 Audio types for Portable Parts.42 7.1.5 Audio types for Fixed Parts.43 7.1.6 Complete DECT system.43 7.1.7 Structure of the specification of the audio types.44 7.1.8 Audio Types and codecs.50 7.1.9 Audio Types and physical interfaces.50 7.2 Audio types applicable to Portable Parts.50 7.2.1 Performance levels of DECT Portable Parts (handsets).50 7.2.2 Type 0: Reference PP (RePP).51 7.2.3 PP Type 1a: "Classic" GAP narrowband handset.51 7.2.3.1 Introduction.51 7.2.3.2 Compatible services and codecs.52 7.2.3.3 Specification.52 7.2.4 PP Type 1b: "Improved" GAP narrowband handset.52 7.2.4.1 Introduction.52 7.2.4.2 Compatible services and codecs.52 7.2.4.3 Specification.52 7.2.5 PP Type 1c: HATS-tested "standard" narrowband handset.52 7.2.5.1 Introduction.52 7.2.5.2 Compatible services and codecs.53 7.2.5.3 Specification.53 7.2.6 PP Type 1d: HATS-tested "improved" narrowband handset.53 7.2.6.1 Introduction.53 7.2.6.2 Compatible services and codecs.53 7.2.6.3 Specification.53 7.2.7 PP Type 3a: HATS tested narrowband "standard" loudspeaking handsfree.53 7.2.7.1 Introduction.53 7.2.7.2 Compatible services and codecs.54 7.2.7.3 Specification.54 7.2.8 PP Type 3b: HATS tested narrowband "improved" loudspeaking handsfree.54 7.2.8.1 Introduction.54 7.2.8.2 Compatible services and codecs.54 7.2.8.3 Specification.54 7.2.9 PP Type 2a: P.311-tested wideband handset.54 7.2.9.1 Introduction.54 7.2.9.2 Compatible services and codecs.54 7.2.9.3 Specification.54 7.2.10 PP Type 2b: HATS-tested "standard" wideband handset or headset.55 7.2.10.1 Introduction.55 7.2.10.2 Compatible services and codecs.55 7.2.10.3 Specification.55 7.2.11 PP Type 2c: HATS tested "improved" wideband handset or headset.55 7.2.11.1 Introduction.55 7.2.11.2 Compatible services and codecs.55 7.2.11.3 Specification.55 7.2.12 PP Type 4a: HATS tested wideband "standard" loudspeaking handsfree.56 SIST EN 300 176-2 V2.1.1:2009
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7.2.12.1 Introduction.56 7.2.12.2 Compatible services and codecs.56 7.2.12.3 Specification.56 7.2.13 PP Type 4b: HATS tested wideband "improved" loudspeaking and handsfree.56 7.2.13.1 Introduction.56 7.2.13.2 Compatible services and codecs.56 7.2.13.3 Specification.57 7.2.14 PP Type 5a: super wideband 14 kHz handset.57 7.2.14.1 Introduction.57 7.2.14.2 Compatible services and codecs.57 7.2.14.3 Specification.57 7.2.15 PP Type 5b: super wideband 14 kHz loudspeaking handsfree.57 7.2.15.1 Introduction.57 7.2.15.2 Compatible services and codecs.57 7.2.15.3 Specification.57 7.2.16 PP Type 6: PPs with external 2 wire, 3,1 kHz telephony interface.57 7.2.16.1 Introduction.57 7.2.16.2 Compatible services and codecs.57 7.2.16.3 Specification.57 7.3 Audio transmission types applicable to Fixed Parts.58 7.3.1 FP Type 0: Reference FP (ReFP).58 7.3.2 FP Type 1a: "classical" Fixed Part for ISDN Network.59 7.3.2.1 Introduction.59 7.3.2.2 Compatible services and codecs.59 7.3.2.3 Specifications.59 7.3.2.3.1 Transcoding and equalization.59 7.3.2.3.2 PP type detection.59 7.3.2.3.3 Activation of audio processing functions.59 7.3.2.3.4 Transmission specification.60 7.3.3 FP Type 1b: "new" Fixed Part for ISDN Network.60 7.3.3.1 Introduction.60 7.3.3.2 Compatible services and codecs.60 7.3.3.3 Specification.60 7.3.3.3.1 Transcoding and equalization.60 7.3.3.3.2 PP type detection.61 7.3.3.3.3 Activation of audio processing functions.61 7.3.3.3.4 Transmission specification.61 7.3.4 FP Type 2: FP with analog 2-wire interface, 3,1 kHz service.62 7.3.4.1 Introduction.62 7.3.4.2 Compatible services, physical interfaces and codecs.62 7.3.4.3 Specification.62 7.3.4.3.1 Transcoding, equalization and conversion.62 7.3.4.3.2 PP type detection and activation of audio processing functions.62 7.3.4.3.3 Transmission specification.62 7.3.5 FP Type 3: VoIP narrowband Fixed Part.63 7.3.5.1 Introduction.63 7.3.5.2 Compatible services, physical interfaces and codecs.63 7.3.5.3 Specification.63 7.3.5.3.1 Transcoding and equalization.63 7.3.5.3.2 PP type detection.64 7.3.5.3.3 Activation of audio processing functions.64 7.3.5.3.4 Transmission specification.64 7.3.6 FP Type 4: ISDN wideband Fixed Part.65 7.3.6.1 Introduction.65 7.3.6.2 Compatible services and codecs.65 7.3.6.3 Specification.65 7.3.6.3.1 Transcoding and equalization.65 7.3.6.3.2 PP type detection.65 7.3.6.3.3 Activation of audio processing functions.65 7.3.6.3.4 Transmission specification.66 7.3.7 FP Type 5: VoIP wideband Fixed Part.66 7.3.7.1 Introduction.66 SIST EN 300 176-2 V2.1.1:2009
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7.3.7.2 Compatible services, physical interfaces and codecs.66 7.3.7.3
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