Leading high-performance analog IC and sensor supplier ams (Ames, SIX stock code: AMS) today announced that Huawei's latest smartphone headsets use ams with active noise reduction (ANC) speaker driver AS3415 to help enhance headphones Noise reduction effect.
Huawei's new high-end Android smartphone Ascend Mate 7's headphones use Ams' ANC chip. Passive noise reduction of the earbuds, combined with active noise reduction, can reduce most of the low frequency ambient noise below 3 kHz.
This feature eliminates external noise interference and provides a realistic listening experience. Ascend Mate 7 makes it easy for users to listen to music or listen to clear sound content.
The traditional method used by traditional earphone users is to adjust the volume to a high level to withstand environmental noise. This method increases the signal-to-noise ratio but may damage the sensitive inner ear. If you use the Ascend Mate 7 headset, thanks to its inherent noise reduction, users can easily listen to every sound at the right volume.
The AS3415 with high-performance active noise reduction also brings a more enjoyable voice telephony experience to Ascend Mate 7: some consumers often struggle to understand each other's speech in a noisy phone environment, while the ams active noise reduction technology With support, the call will be played in an almost silent background sound, making it easier to communicate on the phone.
The AS3415 is a feedforward active noise canceling speaker driver IC that combines low power consumption, superior audio performance and small size for the Ascend Mate 7 headset.
Unlike other digital noise reduction schemes that control the output of the speaker through software, the ams speaker driver uses a pure analog circuit that requires less than half the power of the digital noise reduction scheme. At the same time, the functions necessary for active noise reduction are integrated into the AS3415 circuit, requiring only a small number of small external components, saving the space size of the headphones.
The AS3415 high-fidelity audio playback feature gives the Ascend Mate 7 headphones superior sound quality. The total harmonic distortion rate of the AS3415 is typically only 0.004% and the signal-to-noise ratio is higher than 110dB (at 32 ohm load, 34mW output). The AS3415 is capable of reducing noise by 95% under standard conditions.
Oliver Jones, director of ams company and general manager of audio sensor business, said: "The new Ascend Mate 7 mobile phone headset adds active noise reduction is a breakthrough for Huawei to meet the high-end smartphone consumer demand. AS3415 active noise reduction speaker driver will be mobile phone user Brings clear sound and near-unvoiced background sound."
Bruce Li, vice president of headset product line of Huawei Consumer Products Business Unit, said: "Ascend Mate7 is Huawei's highest-end smartphone to date, using the latest innovative technology to bring users a faster, more durable and more efficient experience. We will and ams Work together to achieve superior sound quality and meet consumer needs."
The AS3415 active noise canceling speaker driver is now in production and its evaluation kit is now available on the ams website.
About ams
Ams designs and manufactures high performance analog sensor solutions. The company's vision is to create a perfect world with a seamless level of human-computer interaction through a higher level of sensor solution. Ams' products are targeted at applications with high precision, wide dynamic range, high sensitivity, and ultra-low power requirements. Ams offers products including sensors, sensor interfaces, power management ICs and wireless ICs to customers in the computer, consumer, industrial, medical, mobile communications and automotive markets.
Headquartered in Austria, ams employs more than 1,700 people worldwide and has nine design centers serving more than 8,000 customers worldwide. Ams has 468 employees in Asia, offices in China, Taiwan, Korea, Japan, Hong Kong and Singapore, and a testing center in the Philippines. Ams is listed on the Swiss Stock Exchange (stock code - Swiss Stock Exchange: AMS). Meta Keywords: ams, Huawei, AS3415, active noise reduction, ANC, speaker driver, smartphone, headset
Meta DescripTIon: The headphones of the Ascend Mate7 phone provide a near-silent background in noisy environments for superior voice telephony and audio playback.
Meta TItle: ams analog speaker driver helps Huawei's latest smartphones achieve low-power noise reduction
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