Aki Yokoyama

**Aki Yokoyama**
**Profile**
**Gender:**
Female
**Date of death:**
December 14, 2023[](#cite_note-1)
**Place of birth:**
Japan
**Position:**
Sound effect
Assistant sound effect
**Years active:**
2003-2020
**Alias:**
よこやまあき
**Aki Yokoyama** (横山 亜紀 ,*Yokoyama Aki*[?](/wiki/Help:Japanese "Help:Japanese"), ??? – 2023) is a Japanese sound effect engineer. She was responsible for the sound effects in *Detective Conan* [anime](/wiki/Anime "Anime") from episodes 345 to 1118 and simultaneously in some [movies](/wiki/Movies "Movies"). She is the daughter of [Masakazu Yokoyama](/wiki/Masakazu_Yokoyama "Masakazu Yokoyama").
## Contents
* [1 Biography](#Biography)
* [2 Works in Detective Conan](#Works_in_Detective_Conan)
+ [2.1 Movies](#Movies)
+ [2.2 OVAs](#OVAs)
+ [2.3 Specials](#Specials)
* [3 Other notable works](#Other_notable_works)
+ [3.1 Anime](#Anime)
* [4 See also](#See_also)
* [5 References](#References)
## Biography[[edit](/wiki/index.php?title=Aki_Yokoyama&action=edit&section=1 "Edit section: Biography")]
Just like her father, Aki Yokoyama was affiliated with Yokoyama Sound Effects (サウンドエフェクト横山) and often collaborated with sound production company AUDIO PLANNING U.
Along with her father Masakazu Yokoyama, Aki worked as sound effect in the *Detective Conan* anime, starting with [**Episode 345**: Head-to-Head Match with the Black Organization: A Dual Mystery on a Full Moon Night](/wiki/Head-to-Head_Match_with_the_Black_Organization:_A_Dual_Mystery_on_a_Full_Moon_Night "Head-to-Head Match with the Black Organization: A Dual Mystery on a Full Moon Night"). In the *Detective Conan* movies, she first started as assistant sound effect in 2002, [**Movie 6**: The Phantom of Baker Street](/wiki/The_Phantom_of_Baker_Street "The Phantom of Baker Street"), then promoted to work alongside her father in [**Movie 10**: The Private Eyes' Requiem](/wiki/The_Private_Eyes%27_Requiem "The Private Eyes' Requiem").
On December 14, 2023, Aki passed away; in the following year, [**Movie 27**: The Million-dollar Pentagram](/wiki/The_Million-dollar_Pentagram "The Million-dollar Pentagram") dedicated the film with **"In Memory of Aki Yokoyama"** at the end credits of the film[[Note 1]](#cite_note-2).
## Works in [Detective Conan](/wiki/Detective_Conan "Detective Conan")[[edit](/wiki/index.php?title=Aki_Yokoyama&action=edit&section=2 "Edit section: Works in Detective Conan")]
### Movies[[edit](/wiki/index.php?title=Aki_Yokoyama&action=edit&section=3 "Edit section: Movies")]
Participation in: **18** movies
| Movie | Title | Original airdate | Role | Note |
| --- | --- | --- | --- | --- |
| 6 | [The Phantom of Baker Street](/wiki/The_Phantom_of_Baker_Street "The Phantom of Baker Street") | April 20, 2002 | Assistant sound effect |  |
| 7 | [Crossroad in the Ancient Capital](/wiki/Crossroad_in_the_Ancient_Capital "Crossroad in the Ancient Capital") | April 19, 2003 | Assistant sound effect |  |
| 8 | [Magician of the Silver Sky](/wiki/Magician_of_the_Silver_Sky "Magician of the Silver Sky") | April 17, 2004 | Assistant sound effect |  |
| 9 | [Strategy Above the Depths](/wiki/Strategy_Above_the_Depths "Strategy Above the Depths") | April 9, 2005 | Assistant sound effect |  |
| 10 | [The Private Eyes' Requiem](/wiki/The_Private_Eyes%27_Requiem "The Private Eyes' Requiem") | April 15, 2006 | Sound effect |  |
| 11 | [Jolly Roger in the Deep Azure](/wiki/Jolly_Roger_in_the_Deep_Azure "Jolly Roger in the Deep Azure") | April 21, 2007 | Sound effect |  |
| 12 | [Full Score of Fear](/wiki/Full_Score_of_Fear "Full Score of Fear") | April 19, 2008 | Sound effect |  |
| 13 | [The Raven Chaser](/wiki/The_Raven_Chaser "The Raven Chaser") | April 18, 2009 | Sound effect |  |
| 14 | [The Lost Ship in the Sky](/wiki/The_Lost_Ship_in_the_Sky "The Lost Ship in the Sky") | April 17, 2010 | Sound effect |  |
| 15 | [Quarter of Silence](/wiki/Quarter_of_Silence "Quarter of Silence") | April 16, 2011 | Sound effect |  |
| 16 | [The Eleventh Striker](/wiki/The_Eleventh_Striker "The Eleventh Striker") | April 14, 2012 | Sound effect |  |
| 17 | [Private Eye in the Distant Sea](/wiki/Private_Eye_in_the_Distant_Sea "Private Eye in the Distant Sea") | April 20, 2013 | Sound effect |  |
| 18 | [Dimensional Sniper](/wiki/Dimensional_Sniper "Dimensional Sniper") | April 19, 2014 | Sound effect |  |
| 19 | [Sunflowers of Inferno](/wiki/Sunflowers_of_Inferno "Sunflowers of Inferno") | April 18, 2015 | Sound effect |  |
| 20 | [The Darkest Nightmare](/wiki/The_Darkest_Nightmare "The Darkest Nightmare") | April 16, 2016 | Sound effect |  |
| 21 | [The Crimson Love Letter](/wiki/The_Crimson_Love_Letter "The Crimson Love Letter") | April 15, 2017 | Sound effect |  |
| 22 | [Zero the Enforcer](/wiki/Zero_the_Enforcer "Zero the Enforcer") | April 13, 2018 | Sound effect |  |
| 23 | [The Fist of Blue Sapphire](/wiki/The_Fist_of_Blue_Sapphire "The Fist of Blue Sapphire") | April 12, 2019 | Sound effect |  |
### OVAs[[edit](/wiki/index.php?title=Aki_Yokoyama&action=edit&section=4 "Edit section: OVAs")]
Participation in: **14** OVAs
| OVA | Title | Original airdate | Role | Note |
| --- | --- | --- | --- | --- |
| 3 | [Conan, Heiji, and the Vanished Boy](/wiki/Conan,_Heiji,_and_the_Vanished_Boy "Conan, Heiji, and the Vanished Boy") | March 12, 2003 | Sound effect |  |
| 4 | [Conan, Kid, and the Crystal Mother](/wiki/Conan,_Kid,_and_the_Crystal_Mother "Conan, Kid, and the Crystal Mother") | March 3, 2004 | Sound effect |  |
| 5 | [The Target is Kogoro!! The Detective Boys' Secret Report](/wiki/The_Target_is_Kogoro!!_The_Detective_Boys%27_Secret_Report "The Target is Kogoro!! The Detective Boys' Secret Report") | March 9, 2005 | Sound effect |  |
| 6 | [Follow the Vanished Diamond! Conan & Heiji vs. Kid!](/wiki/Follow_the_Vanished_Diamond!_Conan_%26_Heiji_vs._Kid! "Follow the Vanished Diamond! Conan & Heiji vs. Kid!") | March 15, 2006 | Sound effect |  |
| 7 | [A Challenge from Agasa! Agasa vs. Conan and the Detective Boys](/wiki/A_Challenge_from_Agasa!_Agasa_vs._Conan_and_the_Detective_Boys "A Challenge from Agasa! Agasa vs. Conan and the Detective Boys") | March 14, 2007 | Sound effect |  |
| 8 | [The Casebook of Female High-School Detective Sonoko Suzuki](/wiki/The_Casebook_of_Female_High-School_Detective_Sonoko_Suzuki "The Casebook of Female High-School Detective Sonoko Suzuki") | March 12, 2008 | Sound effect |  |
| 9 | [The Stranger from Ten Years Later](/wiki/The_Stranger_from_Ten_Years_Later "The Stranger from Ten Years Later") | April 15, 2009 | Sound effect |  |
| 10 | [Kid in Trap Island](/wiki/Kid_in_Trap_Island "Kid in Trap Island") | April 14, 2010 | Sound effect |  |
| 12 | [The Miracle of Excalibur](/wiki/The_Miracle_of_Excalibur "The Miracle of Excalibur") | April 11, 2012 | Sound effect |  |
| Magic File 2 | [Shinichi Kudo, The Case of the Mysterious Wall and the Black Lab](/wiki/Magic_File_2:_Shinichi_Kudo,_The_Case_of_the_Mysterious_Wall_and_the_Black_Lab "Magic File 2: Shinichi Kudo, The Case of the Mysterious Wall and the Black Lab") | April 19, 2008 | Sound effect |  |
| Magic File 3 | [Shinichi and Ran, Memories of Mahjong Tiles and Tanabata](/wiki/Magic_File_3:_Shinichi_and_Ran,_Memories_of_Mahjong_Tiles_and_Tanabata "Magic File 3: Shinichi and Ran, Memories of Mahjong Tiles and Tanabata") | April 18, 2009 | Sound effect |  |
| Magic File 4 | [The Osaka Okonomiyaki Odyssey](/wiki/Magic_File_4:_The_Osaka_Okonomiyaki_Odyssey "Magic File 4: The Osaka Okonomiyaki Odyssey") | April 17, 2010 | Sound effect |  |
| Magic File 5 | [Niigata~Tokyo Souvenir Capriccio](/wiki/Magic_File_5:_Niigata~Tokyo_Souvenir_Capriccio "Magic File 5: Niigata~Tokyo Souvenir Capriccio") | April 16, 2011 | Sound effect |  |
| Bonus File 1 | [Flower of Fantasista](/wiki/Bonus_File_1:_Flower_of_Fantasista "Bonus File 1: Flower of Fantasista") | April 14, 2012 | Sound effect |  |
### Specials[[edit](/wiki/index.php?title=Aki_Yokoyama&action=edit&section=5 "Edit section: Specials")]
Participation in: **3** specials
| Special | Title | Original airdate | Role | Note |
| --- | --- | --- | --- | --- |
| 4 | [Happy New Year, Kogoro Mouri](/wiki/Fugitive:_Kogoro_Mouri "Fugitive: Kogoro Mouri") | January 3, 2015 | Sound effect |  |
| 5 | [The Disappearance of Conan Edogawa: The Worst Two Days in History](/wiki/The_Disappearance_of_Conan_Edogawa:_The_Worst_Two_Days_in_History "The Disappearance of Conan Edogawa: The Worst Two Days in History") | December 26, 2014 | Sound effect |  |
| 6 | [Episode One: The Great Detective Turned Small](/wiki/Episode_One:_The_Great_Detective_Turned_Small "Episode One: The Great Detective Turned Small") | December 9, 2016 | Sound effect |  |
## Other notable works[[edit](/wiki/index.php?title=Aki_Yokoyama&action=edit&section=6 "Edit section: Other notable works")]
### Anime[[edit](/wiki/index.php?title=Aki_Yokoyama&action=edit&section=7 "Edit section: Anime")]
* *[Magic Kaito: Kid the Phantom Thief](/wiki/Magic_Kaito:_Kid_the_Phantom_Thief "Magic Kaito: Kid the Phantom Thief")*: Sound effect
* *Detective Conan: The Galaxy Railways*: Sound effect
* *From Me to You*: Sound effect
* *Glass Mask*: Sound effect
* *Paroru's Future Islan*: Sound effect
* *Play Ball*: Sound effect