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Hi-res是由JAS(日本音频协会)和CEA(消费电子协会)制定的高品质音频产品设计标准
Hi-Res是High Resolution Audio的缩写,而High Resolution就是高解析力、高分辨率的意思,这个词在图像显示领域运用得比较多,比如说4k分辨率就可以High Resolution来形容,如此一来,High Resolution Audio就是高分辨率音源的意思。
Hi-Res是评价它的Sony爸爸和飞利浦爸爸合力推出dsd音频的高保真超一流水平的形容词,有一流的音乐,自然也有一流的耳机,所以HR也用来表示频响范围超过5-40k hz的耳机。
现在Hi-res已经快成为高端音频设备必备的一个认证标志
Hi-Res 随身影音具备了全音域、高码率的能力,意味着随身影音产品迈进一个新的时代。更丰富的细节、采样深度更高,对音源的追求更上一层。对于硬件产品来说,如果你拥有出色的符合Hi-res认证的硬件产品,那么相比参数不够得到认证的产品来说拥有更加出色的表现。这些得到认证的耳机也一定都是市场中非常优秀的产品。
Test info 测试要求:
1.In principle, the definition of "Hi-Res" is based on the announcement of Japan Electronics and Information Technology Industries Association (JEITA) on the March 26, 2014
2. "Hi-Res" applicable products JAS defines is to fulfill the following specification on the recording, reproduction and signal transition process
(1) Microphone response performance: 40 kHz or above during recording
(2) Amplification performance: 40 kHz or above
(3) Speaker and headphone performance: 40 kHz or above
(1) Recording format: Capability of recording using the 96kHz/24bit format or above
(2) I/O (Interface): Input/output interface with the performance of 96kHz/24bit or above
(3) Decoding: File playability of 96kHz/24bit or above (FLAC and WAV both required)
(In case of self-recording equipment, FLAC or WAV file is required as minimum condition)
(4) Digital Signal Processing: DSP processing of 96kHz/24bit or above
(5) D/A conversion: Digital to analog conversion processing of 96 kHz/24 bits or above
3. Listening evaluation process is to be organized
(1) Listening evaluation process is required by each applicant.
(2) Each applicant must assign the audio/sound quality control manager in addition to the product quality control manager.
(3) The audio/sound quality control manager should be responsible for final decision as Hi-Res Audio product to be proved according to each company's sound evaluation standard.
Rre-testSample size 预测试送样规格:八对成品, 8pairs finished products /以及一个详细介绍产品的URL链接Audio products URL
Lead time 项目周期:十到十二周,10-12 weeks
The purpose of video interview视频面试要求:
The purpose of video interview is simply to see each other as "Seeing is Believing".
And precisely, we'd like to hear from you about your company, brand, business history, expertise, target market, sales force, etc., in addition to the inquiry to what you reported.