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                            YAMAHA主动降噪耳机解决方案(YMU831)
                            来源:青山新材 | 作者:中华ic网整理 | 发表于:2016-05-20
                            关键词:雅马哈,耳机方案,助听器芯片,YAMAHA,YMU831方案,耳机主动降噪方案,什么是主动降噪 简介:雅马哈耳机主动降噪方案:耳机搭载YUM831降噪芯片,实现ANC(Active Noise Cancellation)功能,无需Voice MIC,就能实现HF通话,还可将此作为助听器使用(Hearing Aid)
                            关键词:雅马哈,耳机方案,助听器芯片,YAMAHA,YMU831方案,耳机主动降噪方案,什么是主动降噪
                            简介:雅马哈耳机主动降噪方案:耳机搭载YUM831降噪芯片,实现ANC(Active Noise Cancellation)功能,无需Voice MIC,就能实现HF通话,还可将此作为助听器使用(Hearing Aid)



                            最新一代:耳机搭载,实现ANC(Active Noise Cancellation)功能,开启安静完美的听觉之旅。

                            主动降噪功能特点:

                            1、媲美市场主流的耳机主动降噪效果(ANC)
                            2、无需Voice MIC,就能实现HF通话
                            3、强大的噪声抑制和ANC效果并用,对在嘈杂环境下通话十分有效

                            此外,还可将此作为助听器使用(Hearing Aid)
                            作为助听器的功能特点:

                            1、将手机作为日常用的助听器使用
                            2、日常会话助听、看电视助听

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                            雅马哈耳机主动降噪方案:耳机搭载



                            Active Noise Cancel –Head Phone Solution

                            耳机主动降噪方案



                            Yamaha Active Noise Cancel “ANC” Solution Feature

                            YAMAHA主动降噪解决方案的特点


                            ANC using digital-processing

                            Better sound quality comparing Analog type HP

                            Connecting by USB Type-C Interface

                            Easy mode setting by Android Application


                            Yamaha Voice and Music Enhancer

                            Better Hands free talking by Beam Forming, Noise Suppressor, Echo Cancel

                            Yamaha Audio Effect for Music and Movie contents

                            快乐赛车网-快乐赛车网址多少 Hands Free and Audio Effect tuning by Yamaha Sound Engineer


                            Co-work with ODM

                            ODM maker already developed ANC HP with Yamaha Solution

                            Speedy product release to market using ODM



                            MACH-5 : Digital ANC-HP System with MACH-5

                            MACH-5:数字技术耳机主动降噪系统


                            2-chip solution

                            快乐赛车网-快乐赛车网址多少 MACH-5 : Low-latency DSP with MIC-Amp/HP-Amp

                               CPU : Only for initialization of DSP

                            快乐赛车网-快乐赛车网址多少    High performance CPU is unnecessary



                            耳机主动降噪系统YMU831

                            快乐赛车网-快乐赛车网址多少 ANC-HP System


                            MACH-5 : ANC-HP

                            MACH-5 : 主动降噪-耳机

                            Active Noise Cancellation for HP using digital-processing

                            Feed-forward type ANC

                            Hybrid (FF&FB) type ANC

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                            ANC : Signal flow

                            ANC : 信号流


                            FF-ANC and Hybrid(FF&FB)-ANC

                            FF IRR, FB IIR and Music IIR are designed by ANC filter design software

                            Calibration gains are used for compensation in production line

                            User gains are controlled by headphone/earphone users

                            YMU831方案,深圳代理商




                            MACH-5 : Feed-forward ANC Performance


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                            ANC performance [dB]



                            Parameter set ANC

                            parameter set ANC performance (data 370)



                            MACH-5 : ANC @ Power consumption

                            快乐赛车网-快乐赛车网址多少 Playback

                            快乐赛车网-快乐赛车网址多少       HP : SONY MDR-NC31EM

                            MIC

                                  Analog-MIC : SONY MDR-NC31EM (bias = 2.0V)

                            ANC

                            快乐赛车网-快乐赛车网址多少       Algorithm : Feed-forward ANC @ 192kHz

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                            能耗测试



                            MACH-5 : ANC Voice Enhancer (HandsFree)

                            Good HF(HandsFree) effect with BF(Beam Forming) using the

                            same microphone for ANC.

                            Receiver

                            Suppress environmental noise with ANC

                            快乐赛车网-快乐赛车网址多少 Emphasize voice linked to environmental noise

                            快乐赛车网-快乐赛车网址多少 with BVE(Bright Voice Engine)

                            Transmitter

                            No additional Voice Mic with ANC-MIC

                            Better Noise Suppression: Suppress unexpected sound with BF

                            Better Echo Cancel : Echo cancel corresponding to Type1


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                            快乐赛车网-快乐赛车网址多少 - Supports HF without Voice MIC

                            - Good communication under

                               noise environment with strong

                            快乐赛车网-快乐赛车网址多少    noise suppressor and ANC



                            MACH-5 : ANC Music Enhancer


                            blob.png■F-DSP/AudioEngine

                                ■AEQ : PhaseCorrection

                                ■252 : Surround

                            ■B-DSP/AudioEngine

                                ■WIDE : Stereo Expander

                                ■HXT : 2-band Harmonics Enhancer

                                ■EQ3 : 3-band PEQ

                            快乐赛车网-快乐赛车网址多少     ■DRC3 : 3-band DRC

                            快乐赛车网-快乐赛车网址多少     ■DRC : Single-band DRC

                                ■Tone Generator


                            ANC Music Enhancer




                            MACH-5 : ANC Hearing AidHearing Aid (Headphone)

                            MACH-5 : ANC 助听器

                            快乐赛车网-快乐赛车网址多少 Using ANC HP for sound collector

                            Hearing aids for speech and TV

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                            快乐赛车网-快乐赛车网址多少 ・latency: 4ms(NS=OFF), 5.3ms(NS=ON)

                            快乐赛车网-快乐赛车网址多少 ・Stereo Hearing aid processing




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