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Sound Trivia: Shooting in Heat by Airports

by Matt Price on July 22, 2013
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This awkward title covers cold temperatures as well.
Currently we are hitting 32C/89F around London and apart from battling the heat physically and mentally it is an interesting, though minor, consideration to the speed of sound and the further implications to issues of noise from planes and trains. Sound at sea level travels at 340.29 meters / second (768.1) but at 32C sound travels around 10m/s faster at 350.3 m/s (783.6mph) due to hot air having molecules closer together to become a better conductor. this is NOT to do with the sound being louder because the amplitude of the wave doesn't change just the speed it is carried. This just means that any planes flying over at 21,000 feet will be heard roughly 18.28 at 32C and just 18.82 seconds at 20C meaning half a second quicker coming and going effectively being 1 second shorter in disturbance. Other Useful Related Posts: - Flight Tracker App To See Planes Coming - Amplitude   [/et_pb_text][/et_pb_column][/et_pb_row][et_pb_row admin_label="Blog Footer" _builder_version="3.0.66" background_position_1="top_left" background_repeat_1="no-repeat" global_module="8807"][et_pb_column type="4_4"][et_pb_post_nav admin_label="Related Post Navigation" global_parent="8807" _builder_version="3.0.66" prev_text="Previous Related Post" next_text="Next Related Post" in_same_term="on" hide_prev="off" hide_next="off" title_font_size="20px" title_font_size_last_edited="off," border_style="solid" /][et_pb_divider global_parent="8807" _builder_version="3.0.66" show_divider="on" color="#0c71c3" divider_style="solid" divider_position="center" divider_weight="2" height="50" hide_on_mobile="on" /][et_pb_search global_parent="8807" _builder_version="3.0.66" placeholder="Search More Of The Blog" hide_button="off" exclude_pages="off" exclude_posts="off" background_layout="light" text_orientation="left" /][et_pb_divider global_parent="8807" _builder_version="3.0.66" show_divider="on" color="#0c71c3" divider_style="solid" divider_position="center" divider_weight="2" height="50" hide_on_mobile="on" /][et_pb_social_media_follow global_parent="8807" _builder_version="3.0.66" link_shape="rounded_rectangle" url_new_window="off" follow_button="on" background_layout="light"] [et_pb_social_media_follow_network social_network="facebook" skype_action="call" url="http://facebook.com/soundrolling" bg_color="#3b5998"] Facebook [/et_pb_social_media_follow_network][et_pb_social_media_follow_network social_network="twitter" skype_action="call" url="http://www.twitter.com/filmsoundman" bg_color="#00aced"] Twitter [/et_pb_social_media_follow_network][et_pb_social_media_follow_network social_network="google-plus" skype_action="call" url="https://plus.google.com/u/0/+MattPriceSoundrollingSoundRecordist" bg_color="#dd4b39"] Google+ [/et_pb_social_media_follow_network][et_pb_social_media_follow_network social_network="instagram" skype_action="call" url="http://www.instagram.com/soundrolling" bg_color="#517fa4"] Instagram [/et_pb_social_media_follow_network][et_pb_social_media_follow_network social_network="youtube" skype_action="call" url="http://www.youtube.com/user/thatwassound" bg_color="#a82400"] Youtube [/et_pb_social_media_follow_network] [/et_pb_social_media_follow][et_pb_team_member global_parent="8807" _builder_version="3.0.66" name="Matt Price" position="London Sound Recordist" facebook_url="http://www.facebook.com/soundrolling" twitter_url="http://www.twitter.com/filmsoundman" google_url="https://plus.google.com/u/0/+MattPriceSoundrollingSoundRecordist" linkedin_url="https://www.linkedin.com/in/soundrolling/" image_url="http://soundrolling.com/wp-content/uploads/2016/11/15068499_1359932180684341_356847309531220853_o.jpg" background_layout="light" border_style="solid" animation="off"] I am a London Sound Recordist and Sound Editor for many types of projects around the film genres. This covers creative content right through to feature films. I am passionate about sharing my journey and knowledge to help the rest of the community. If you need anything from me, feel free to get in touch with me at London Sound Recordist. [/et_pb_team_member][/et_pb_column][/et_pb_row][/et_pb_section]
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