精美PPT模板下載[春苗教育]

1、耳機(jī)里的秘密耳機(jī)里的秘密1優(yōu)講借鑒小組成員小組成員2優(yōu)講借鑒目錄目錄耳機(jī)材料探討耳機(jī)材料探討 Click to add title in here Click to add title in here Click to add title in here 4123ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.3優(yōu)講借鑒1.耳機(jī)材料探討耳機(jī)材料探討耳機(jī)的分類動圈式動圈式靜電式靜電式等磁式等磁式 換能方式換能方式 結(jié)構(gòu)結(jié)構(gòu)佩戴形式佩戴形式開放式開放式半開放式半開放

2、式封閉式封閉式耳塞式耳塞式掛耳式掛耳式頭戴式頭戴式4優(yōu)講借鑒1.耳機(jī)材料探討耳機(jī)材料探討關(guān)于耳關(guān)于耳塞材料塞材料塑料材質(zhì)塑料材質(zhì)塑料可以有多塑料可以有多變的外型，一變的外型，一個(gè)聲波可以從個(gè)聲波可以從塑料腔體上做塑料腔體上做多次不規(guī)則的多次不規(guī)則的反射以及簡單反射以及簡單的聲音吸收的聲音吸收降低聲音在降低聲音在金屬腔體內(nèi)金屬腔體內(nèi)的諧振及共的諧振及共振，使聲波振，使聲波得到更好的得到更好的傳導(dǎo)傳導(dǎo)金屬材質(zhì)金屬材質(zhì)5優(yōu)講借鑒1.耳機(jī)材料的探討耳機(jī)材料的探討兩種材質(zhì)耳機(jī)對比結(jié)果：鋁合金更因其造型的鋁合金更因其造型的可呈規(guī)則型多變性，可呈規(guī)則型多變性，能更好地配合腔體設(shè)能更好地配合腔體設(shè)計(jì)，達(dá)到塑料

3、腔體所計(jì)，達(dá)到塑料腔體所不能達(dá)到的解析力和不能達(dá)到的解析力和清晰度清晰度。多次不規(guī)則的反射和吸收多次不規(guī)則的反射和吸收可以對聲音做出盡可能的可以對聲音做出盡可能的修飾，一個(gè)好的成熟的塑修飾，一個(gè)好的成熟的塑料腔體對聲音是有很強(qiáng)的料腔體對聲音是有很強(qiáng)的提升作用，能讓本身素質(zhì)提升作用，能讓本身素質(zhì)很一般的耳塞單元發(fā)出更很一般的耳塞單元發(fā)出更好的聲音。好的聲音。金屬材質(zhì)金屬材質(zhì)塑料材質(zhì)塑料材質(zhì)6優(yōu)講借鑒1.耳機(jī)材料的探討耳機(jī)材料的探討 TPC（電解銅）：純度為（電解銅）：純度為99.5% OFC（無氧銅）：純度為（無氧銅）：純度為99.995% LC-OFC（線形結(jié)晶無氧銅或結(jié)晶無氧銅）：純度（線形

4、結(jié)晶無氧銅或結(jié)晶無氧銅）：純度在在99.995%以上以上 OCC（單晶無氧銅）：純度最高，在（單晶無氧銅）：純度最高，在99.996%以上，以上，又分為又分為PC-OCC和和UP-OCC 大多數(shù)耳機(jī)線都以銅為原料，一般的純度大多數(shù)耳機(jī)線都以銅為原料，一般的純度(一般用幾一般用幾N表示，比如表示，比如4N、6N）越高導(dǎo)電性越好，信號失真越）越高導(dǎo)電性越好，信號失真越小，常見的有：小，常見的有：7優(yōu)講借鑒1.耳機(jī)材料的探討耳機(jī)材料的探討結(jié)論結(jié)論購買者對耳機(jī)音質(zhì)要求人數(shù)最多，普遍接受購買者對耳機(jī)音質(zhì)要求人數(shù)最多，普遍接受45-100元之間的耳機(jī)。元之間的耳機(jī)?？梢?，人們普遍追求性價(jià)比高的耳機(jī)可見，人

5、們普遍追求性價(jià)比高的耳機(jī)音質(zhì)音質(zhì)舒適度舒適度質(zhì)量質(zhì)量45-100元元20-45元元100-500元元調(diào)查顯示8優(yōu)講借鑒Click to edit title styleText in hereText in here Contents ContentsThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.ThemeGallery is a Design Digital Content & Contents mall developed by Guild Des

6、ign Inc. Description of the contents Description of the contents Description of the business Description of the business Description of the businessThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.Description of the contentsDescription of the contents9優(yōu)講借鑒Yo

7、ur TextYour TextYour TextYour TextClick to edit title styleYour TextYour TextYour TextYour Text2005200620072008ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.10優(yōu)講借鑒Click to edit title style Description of the contentsText in hereThemeGallery is a Design Di

8、gital Content & Contents mall developed by Guild Design Inc.Text in hereThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.Text in hereThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.Text in hereThemeGallery is a

9、Design Digital Content & Contents mall developed by Guild Design Inc.11優(yōu)講借鑒Click to edit title styleContents01Contents02Contents03Contents04Contents05Contents060% 20% 40% 60% 80% 100% 18.5%17.5%8.7%23.6%63.6%84.3%ThemeGallery is a Design Digital Content & Contents mall developed by Guild Des

10、ign Inc.12優(yōu)講借鑒Click to edit title styleText in hereText in hereText in hereThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.Click to add Text13優(yōu)講借鑒Click to edit title styleThemeGallery is a Design Digital Content & Contents mall developed by Guild Design

11、 Inc.ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc. Title in here Title in here Title in here14優(yōu)講借鑒Click to edit title styleText in hereText in hereText in hereText

12、 in hereText in hereText in hereText in hereText in hereContentsContentsContentsContentsContentsThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.15優(yōu)講借鑒Click to edit title styleDescribe a vision of company or strategic contents.Describe a vision of company or

13、 strategic contents.Describe a vision of company or strategic contents.Describe a vision of company or strategic contents.Description of the products16優(yōu)講借鑒Please write down of a slogan for a vision of a company in shortly.Please write down of a slogan for a vision of a company in shortly.Please writ

14、e down of a slogan for a vision of a company in shortly.Please write down of a slogan for a vision of a company in shortly.CompanyLOGOClick to edit title style17優(yōu)講借鑒Click to edit title styleTitle in hereThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.Descri

15、ption of the contentsDescription of the contentsDescription of the contentsDescription of the contentsTitle in hereTitle in hereTitle in here18優(yōu)講借鑒Service 01Service 02Service 03LOGO ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.Click to edit title style19

16、優(yōu)講借鑒Click to edit title styleTitle in hereAdd TitleAdd TitleAdd TitleAdd Title Description of the contents Description of the contents Description of the contents Description of the contentsText in hereText in hereText in hereText in here Description of the contents Description of the contents Descr

17、iption of the contents Description of the contents20優(yōu)講借鑒Click to edit title styleThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.TitleText in hereText in hereText in hereText in here21優(yōu)講借鑒Click to edit title style200820072006 200520042003 200220012000 Descr

18、iption of the contents Description of the contents Description of the contents Description of the contents Description of the contents Description of the contents Description of the contents Description of the contents Description of the contents22優(yōu)講借鑒Description of the contents1.Description of the

19、companys products2.Description of the companys business3.Description of the companys technology1.Description of the companys products2.Description of the companys business3.Description of the companys technology1.Description of the companys products2.Description of the companys business3.Description

20、 of the companys technology1.Description of the companys products2.Description of the companys business3.Description of the companys technologyDescription of the contentsDescription of the contentsDescription of the contentsDescription of the contentsClick to edit title style23優(yōu)講借鑒Click to edit titl

21、e styleAdd Your TextAdd Your TextAdd Your TextAdd Your TextAdd Your TextTextTextTextTextTextThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.24優(yōu)講借鑒Click to edit title styleText in hereTitle in hereText in hereText in here2005200620072008 Description of the c

22、ontents Description of the contents Description of the contents Description of the contents Description of the contents Description of the contents Description of the contents Description of the contentsThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.25優(yōu)講借鑒

23、Click to edit title style2005200620072007 statistics title2007 statistics title(unit : %)(unit : %)* 2007 Statistics agency statistics* 2007 Statistics agency statistics50%20052006200790%15%96%35%70% Contents of the product, and please fill it out.ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.26優(yōu)講借鑒Click to edit title styleThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.80%50%30%20%Title in hereTitle in hereTitle in hereTitle in hereABCD27優(yōu)講借鑒Description of the contentsThemeG