Name: Nexus 5 - Voice Quality and Noise Rejection on T-Mobile US (AMR-WB) by AnandTech
Duration: 1 min 19 s
Description: Nexus 5 to Nexus 5 voice call in front of speakers playing a babble distractor track. From T-Mobile to T-Mobile, AMR-WB call.

Brian, I downloaded this recording and examined it in Adobe Audition. The audio stream is NOT in wideband. It's a plain vanilla narrowband call.

Ambient noise rejection testing and call quality on Motorola Moto X.

Motorola Moto X - Ambient Noise Rejection

AMR-WB call on a Samsung Galaxy Note 3 using Audience eS325 in both near and far talk (earpiece and speakerphone mode) with noise rejection toggled on and off in front of speakers playing a babble distractor track.

Galaxy Note 3 T-Mobile AMR-WB Near And Far Talk

Samsung Galaxy Gear dual microphone noise rejection call test

Galaxy Gear Call Test and Noise Reduction

Nexus 5 to Nexus 5 voice call in front of speakers playing a babble distractor track. From T-Mobile to T-Mobile, AMR-WB call.

Nexus 5 - Voice Quality and Noise Rejection on T-Mobile US (AMR-WB)

Babble distractor track noise rejection on the Motorola Moto G, which uses Qualcomm Fluence dual mic noise rejection.

Motorola Moto G - Noise Rejection TMUS

Recording of galaxy note 2 in front of a speaker playing a babble track at up to 94 dBA with Audience ES305 noise rejection path disabled. 

Galaxy Note 2 - Noise Reduction Off

Recording of galaxy note 2 in front of a speaker playing a babble track at up to 94 dBA with Audience ES305 noise rejection path enabled. 

Galaxy Note 2 - Noise Rejection Enabled

LG Nexus 4 Noise Rejection testing using the industry standard babble track. Nexus 4 has two microphones (top secondary + bottom primary) for rejecting ambient noise during calls. 

Nexus 5 - Voice Quality and Noise Rejection on T-Mobile US (AMR-WB)

AnandTech

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