第十二講:Sound Localization and the Auditory Scene
出自KMU Wiki
(修訂版本間差異)
在2014年1月14日 (二) 23:36所做的修訂版本 (編輯) Woody (對話 | 貢獻) (→聽覺定位的三個向度) ←上一個 |
在2014年1月14日 (二) 23:47所做的修訂版本 (編輯) (撤銷) Woody (對話 | 貢獻) (→聽覺定位的三個向度) 下一個→ |
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- | == | + | ==日常生活中的聲音== |
- | + | ==localization : vision and hearing== | |
- | + | ===聽覺定位的三個向度=== | |
===實驗室=== | ===實驗室=== | ||
- | + | ====sound localization data==== | |
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===Interaural time difference=== | ===Interaural time difference=== | ||
- | [[Image:12.5.jpg]] | ||
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===Interaural level difference=== | ===Interaural level difference=== | ||
- | [[Image:12.6.jpg]] | ||
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===不同方位角、不同頻率之ILD=== | ===不同方位角、不同頻率之ILD=== | ||
- | [[Image:12.7.jpg]] | ||
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===localization confusion定位混淆=== | ===localization confusion定位混淆=== | ||
- | *cone of | + | *cone of confusion(混淆圓錐 |
- | + | ==pinnas== | |
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*pinnas | *pinnas | ||
- | + | ===再看pinna的效果=== | |
- | + | 示意圖 | |
===模子=== | ===模子=== | ||
*利用「模子」塞住,影響在於高度 | *利用「模子」塞住,影響在於高度 | ||
- | + | ==Auditory pathway== | |
- | + | *Superior Olivary nucleus | |
- | === | + | *Inferior colliculus |
- | + | *Medial geniculate nucleus | |
- | + | *Primary auditory cortex(A1) | |
- | + | ===Auditory cortex=== | |
+ | *Primary auditory cortex | ||
+ | *Core area | ||
+ | *Belt area | ||
+ | *Parabelt area | ||
+ | ==interaural time difference== | ||
*interaural time difference | *interaural time difference | ||
- | [[Image:12.13.jpg]] | ||
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===ITD偵測神經可能機制=== | ===ITD偵測神經可能機制=== | ||
- | + | ===ITD tuning curves=== | |
- | + | ===哺乳類ITD tuning curves=== | |
+ | *Gerbil VS Owl | ||
+ | ===Monkey的情況=== | ||
===ITD broadly tuned neurons=== | ===ITD broadly tuned neurons=== | ||
+ | *gerbil 沙鼠 | ||
+ | ==Where and What== | ||
+ | *Pathway | ||
- | + | *in auditory cortex | |
+ | *腦傷個案 | ||
- | + | ==室內的聲音== | |
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===precedence effect=== | ===precedence effect=== | ||
- | + | ===Architectural acoustics �建築聲學=== | |
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- | ===Architectural acoustics | + | |
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*reverberation time | *reverberation time | ||
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***太短:dead | ***太短:dead | ||
*Intimacy time | *Intimacy time | ||
- | ** | + | **直接與第反射聲音到達時間差 |
*Bass ratio | *Bass ratio | ||
**反射聲音中低頻至中頻聲音的比率 | **反射聲音中低頻至中頻聲音的比率 | ||
*Spaciousness factor | *Spaciousness factor | ||
**聽者聽到所有非直接的聲音 | **聽者聽到所有非直接的聲音 | ||
- | + | ==Auditory grouping== | |
- | == | + | *Auditory scene |
- | + | **環境中聲音是複雜的 | |
- | + | **即便是在安靜的音樂廳中聽到樂曲 | |
- | + | ***其中有不同樂器聲 | |
- | + | ***也可能有人咳嗽了 | |
+ | ***都可以分辨的出來 | ||
+ | ***而且經過傳遞(轉換)之後仍可以分辨 | ||
+ | ===melody=== |
在2014年1月14日 (二) 23:47所做的修訂版本
目錄 |
日常生活中的聲音
localization : vision and hearing
聽覺定位的三個向度
實驗室
sound localization data
Interaural time difference
Interaural level difference
不同方位角、不同頻率之ILD
localization confusion定位混淆
- cone of confusion(混淆圓錐
pinnas
- pinnas
再看pinna的效果
示意圖
模子
- 利用「模子」塞住,影響在於高度
Auditory pathway
- Superior Olivary nucleus
- Inferior colliculus
- Medial geniculate nucleus
- Primary auditory cortex(A1)
Auditory cortex
- Primary auditory cortex
- Core area
- Belt area
- Parabelt area
interaural time difference
- interaural time difference
ITD偵測神經可能機制
ITD tuning curves
哺乳類ITD tuning curves
- Gerbil VS Owl
Monkey的情況
ITD broadly tuned neurons
- gerbil 沙鼠
Where and What
- Pathway
- in auditory cortex
- 腦傷個案
室內的聲音
precedence effect
Architectural acoustics �建築聲學
- reverberation time
- 迴響時間:原來聲音下降60dB的時間
- 太長:muddled
- 太短:dead
- 迴響時間:原來聲音下降60dB的時間
- Intimacy time
- 直接與第反射聲音到達時間差
- Bass ratio
- 反射聲音中低頻至中頻聲音的比率
- Spaciousness factor
- 聽者聽到所有非直接的聲音
Auditory grouping
- Auditory scene
- 環境中聲音是複雜的
- 即便是在安靜的音樂廳中聽到樂曲
- 其中有不同樂器聲
- 也可能有人咳嗽了
- 都可以分辨的出來
- 而且經過傳遞(轉換)之後仍可以分辨