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E-mail: sales@qumax.com.cn
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E-mail: qumaxic@qumax.com.cn
电话:15920028059
YAMAHA主动降噪耳机解决方案(YMU831)
最新一代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,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
雅马哈耳机主动降噪方案:耳机搭载YUM831降噪芯片
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
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
MACH-5 : Low-latency DSP with MIC-Amp/HP-Amp
CPU : Only for initialization of DSP
High performance CPU is unnecessary
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
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
MACH-5 : Feed-forward ANC Performance
ANC performance [dB]
parameter set ANC performance (data 370)
MACH-5 : ANC @ Power consumption
Playback
HP : SONY MDR-NC31EM
MIC
Analog-MIC : SONY MDR-NC31EM (bias = 2.0V)
ANC
Algorithm : Feed-forward ANC @ 192kHz
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
Emphasize voice linked to environmental noise
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
- Supports HF without Voice MIC
- Good communication under
noise environment with strong
noise suppressor and ANC
MACH-5 : ANC Music Enhancer
■F-DSP/AudioEngine
■AEQ : PhaseCorrection
■252 : Surround
■B-DSP/AudioEngine
■WIDE : Stereo Expander
■HXT : 2-band Harmonics Enhancer
■EQ3 : 3-band PEQ
■DRC3 : 3-band DRC
■DRC : Single-band DRC
■Tone Generator
MACH-5 : ANC Hearing AidHearing Aid (Headphone)
MACH-5 : ANC 助听器
Using ANC HP for sound collector
Hearing aids for speech and TV
?latency: 4ms(NS=OFF), 5.3ms(NS=ON)
?Stereo Hearing aid processing
这个方案和主芯片比奥地利微AS3435及AS3415主动降噪扬声器驱动方案强很多,而且是数字的,之前比较流利AMS的AS3435这些都是模拟的。 雅马哈这款适用于移动终端的通话/音乐处理IC,具备通话双麦降噪,耳机主动降噪功能,提升通话体验,独具雅马哈专业DSP,优化音乐处理。 ?兼具SlimBus/SPI借口 ?升级版2-mic降噪,带语音追踪功能 ?具备3米拾音功能,适合电话会议应用 ?内置DRC、AGC等固件,方便使用 ?加载音腔补偿技术(AEQ)、有效优化视听体验 ?Yamaha独有3D环绕技术 ?高信噪比,Beyond Hi-Fi ?开放Open Core DSP 300MIPS User Area ?FBGA-99,5*5mm节约布板面积 ?带主动降噪(ANC),语音唤醒(Voice Trigger) ,卡拉OK功能 至少比华为之前AM180耳机用的AMS模拟降拟芯片AS3415强大,看封装就知道区别很大,AS3415是QFN32,而YAMAHA这款YMU831是FBGA-99 AS3415 的DataSheet: http://ams.com/eng/ANC/AS3415 |
新一代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,开启安静完美的听觉之旅。
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,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)
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
华南地址: 广东省深圳市龙岗区龙城街道尚景社区龙城大道85号万科时代广场3B写字楼1001-2 邮编:518000 沪ICP备06043274号
华东地址:上海市徐汇区天钥桥路325号嘉汇国际广场2510室 qumaxic@qumax.com.cn / 15920028059
深圳电话: 0755-83560846 88914335 86394630 / 15920028059 E-mail: sales@qumax.com.cn / qumaxic@qumax.com.cn