On the morning of October 18th, Israel Defence Forces released this video . performed an audio analysis and found that this recording was manipulated and cannot be used as a credible source of evidence. 1/4
performed a Doppler Effect analysis from two videos from the missile attack on the Al-Ahli hospital. The results cast doubt on the IDF’s claim that the missile that hit the hospital approached from the south-west.
#AlAhli
#IDF
1/7
When calls are intercepted, we would expect them to be single monophonic recordings with both voices on the same channel of audio. What is unusual in this alleged intercepted call is that we have the voices divided across two channels, left and right. 2/4
Though this audio analysis cannot categorically state that the audible dialogue is fake, ’s opinion is that the level of manipulation required to edit these two voices together disqualifies it as a source of credible evidence. 4/4
The fact that this recording is made up of two separate channels demonstrates that these two voices have been recorded independently. These two independent recordings have then been edited together with added effects (such as pan control). 3/4
This increasing pitch suggests the missile is continuously accelerating towards the camera until impact. The camera’s north-western location suggests an eastern missile trajectory, further decreasing the probability that the missile approached the hospital from south-west. 7/7
However, the Doppler Effect that we hear indicates that the missile was closer to the camera before hitting the hospital. This would mean that the missile approached the hospital from north-east, east or south-east.
#AlAhli
#IDF
5/7
The Doppler Effect is a change in the observed frequency emitted by a sound source that is moving relative to an observer. In the first video, taken 150m south-east of the hospital, we hear a pronounced frequency increasing in pitch and then decreasing until impact. 2/7
A second video captures the moment of the strike from around 1,500 meters north-west of the hospital. In this video, the missile can be heard moving with a less pronounced Doppler Effect, where the pitch is increasing up to the moment of the explosion.
#AlAhli
#IDF
6/7
The IDF claimed the missile was fired by the Islamic Jihad from a south-western location. If this was the case, we would expect the pitch observed by this camera to increase continuously until the missile’s impact.
#AlAhli
#IDF
4/7
The increasing pitch suggests the missile is accelerating towards the camera. The decreasing pitch suggests that the missile is now moving away from the camera while still accelerating, upon the missile’s impact.
#AlAhli
#IDF
3/7
With
@amnesty
,
@earshot_ngo
conducted an audio analysis of the Israeli strikes on a group of seven journalists in south Lebanon on 13 October, which killed Reuters journalist Issam Abdallah and injured six others. Follow the thread below
🚨 New investigation reveals the Israeli strikes on a group of 7 journalists in south Lebanon on 13 Oct, which killed Reuters journalist Issam Abdallah & injured 6 others, were likely a direct attack on civilians that must be investigated as a war crime.
@amnesty
We could determine that the sound of an Unmanned Aerial Vehicle was present for more than 40 minutes before the strike and that it circled the journalists position at least 11 times. The Israeli forces had sufficient information that these were journalists
@amnesty
We could also determine from the sound of the blast the direction that the debris travelled after the two explosions. This supported other evidence that the projectile that hit the journalists was fired form the south-east of their position.